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revision 1.84 by cnh, Thu Sep 5 21:06:14 2002 UTC revision 1.790 by mlosch, Tue Apr 17 16:15:27 2007 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/exf:
8      move exf header files from lower_case.h to UPPER_CASE.h ;
9      add missing cvs Header & Name
10    o pkg/seaice:
11      - remove seaice_exch and seaice_exch_uv
12      - remove superfluous exchange of theta
13      - add myThid to seaice_budget_ocean/ice
14      - add new interface for atmospheric wind forcing (C-grid only)
15        + new routine
16        + two new field (taux, tauy for stress over ice)
17        + removed one global field (DAIRN) for C-grid case only
18    
19    checkpoint58y_post
20    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
21      vertical diffusivity, similar to that in MOM4; turned on using
22      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
23      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
24    o Added capability for 3D specification of background vertical diffusion
25      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
26      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
27      "data" file that contains the 3D vertical diffusivity coefficients.
28    o ice dynamics (pkg/seaice) with thsice thermodynamics:
29      - add code within pkg thsice to advect & diffuse sea-ice fields
30      similar to (and will replace) what has been added in  seaice_advdiff.F,
31      but: - conserving Mass, Heat & Salt.
32           - better when using non-linear advection scheme (not yet fully tested)
33           - can also be used in atmospheric set-up (for now, only the diffusion).
34    
35    checkpoint58x_post
36    o IO option for global-file compact format:
37      - add options when generating topology (utils/exch2/matlab-topology-generator)
38      - add I/O capability (pkg/mdsio).
39      - adapt utils/matlab/rdmds.m to read this format.
40      for now long-line format not yet supported by pkg/mdsio (& exch2).
41    o shelfice: add a few diagnostics
42    
43    checkpoint58w_post
44    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
45      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
46      (and replace horiVertRatio in NH code).
47      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
48                         and tutorial_plume_on_slope (sensitive to truncation)
49    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
50      directly to drive seaice model (C-grid only)
51    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
52     - reintroduce computation of wind from stress,
53     - compute tau (in exf_bulkformulae.F) from windstress averaged to
54       mass points to avoid tau = 0
55     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
56    o rdmnc.m: make it work with "global" files created with gluemnc
57    o rdmnc.m : some improvements in dealing with singleton dimension
58      (tested on all testreport mnc output files).
59    o genmake2: disable pkg/profiles if netcdf test fails.
60    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
61    o move call to cal_readparms up to make calendar parameters/variable available
62      to all packages
63    
64    checkpoint58v_post
65    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
66      useDynP_inEos_Zc tested.
67    o pkg/exf: changes to properly interpolate/mask/scale initial fields
68    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
69      and portions thereof.  See read_cs.txt for description and examples.
70    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
71      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
72      following the great-circle arc between those 2 points.
73    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
74      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
75    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
76     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
77     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
78     - still needs work (not working with some options ; efficiency to improve)
79       and serious testing.
80     - use this scheme for temperature & salinity in 2 advection test exp.:
81       advect_xy & advect_xz, respectively.
82    
83    checkpoint58u_post
84    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
85    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
86    o testreport: add option "-skipdir" to skip some test.
87    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
88      momentum calculation.
89    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
90    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
91      remove checkpoint.F and the_correction_step.F (no longer used);
92      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
93    o add option (linFSConserveTr) to correct for tracer source/sink due to
94      Linear Free surface
95    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
96    o pkg/thsice: fix reading mnc-pickups
97    
98    checkpoint58t_post
99    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
100    o pkg/mdsio:
101     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
102       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
103       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
104     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
105     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
106       either MDS_READ_FIELD or MDS_WRITE_FIELD )
107     - new S/R (to replace MDSWRITEMETA), which allows to write more
108       informations (variable names, time ...) to meta files.
109     - modify rdmds.m to give back the meta file content.
110    o pkg/diagnostics: change vertical interpolation to be safer, and more
111       flexible (define p-levels to interpolate to in data.diagnostics);
112      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
113       diagnostic pointer.
114    o pkg/seaice: more cleaning up of seaice_growth, added many comments
115    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
116    o fix multi-category seaice:
117     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
118       SEAICE_MULTICATEGORY
119     - fix short wave heat flux
120    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
121       and allow to use EVP solver. Change forward lab_sea: test both EVP
122       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
123    o Initial check-in of lab_sea adjoint
124      (very similar to natl_box_adjoint/code_seaice)
125      * used C-grid and EVP solver
126      * used KPP, GM/Redi
127      * uses inAdExact=.TRUE.
128      * gradient checks fail for both ADM and TLM
129        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
130        f.d. gradients actually seem more problematic than ADM, TLM gradients;
131        issue is related to forward mismatch between g77 an ifort
132    o pkg/seaice: overhaul of thermodynamics
133     - growth.F and groatb.F are replaced by new routine seaice_growth.F
134     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
135     - move a few global fields out of SEAICE.h into seaice_growth.F and
136       make them 2D (FICE/QNETO/ ...)
137     - remove FO (it is the same as QNETO)
138     - introduce a few local fields to avoid modifying external fields such
139       as atemp, etc.
140    
141    checkpoint58s_post
142    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
143      changed exf_set_gen.F so that
144        genperiod=0 means input file is one time-constant field and
145        genperiod=-12 means input file contains 12 monthly means
146    o CG2D: use pre-computed solver main-diagonal (stored in common block);
147      this affects truncation error ; generate new output file for exp. which
148      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
149        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
150        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
151        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
152        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
153        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
154    o start implementation of deep-atmosphere and anelastic formulation
155    o verification: remove 2nd copy of input files and use script "prepare_run"
156      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
157    o mom_common/vecinv/fluxform: fix a few initialisation isssues
158    o profiles: fix for multithreaded case
159    
160    o diagnostics: rename few diags:
161      s/'PRESSURE'/'RCENTER '/g
162      s/'TICE    '/'oceFreez'/g
163      s/'TAUX    '/'oceTAUX '/g
164      s/'TAUY    '/'oceTAUY '/g
165      s/'SWFLUX  '/'oceQsw  '/g
166      s/DIFx/DFxE/g
167      s/DIFy/DFyE/g
168      and add few ocean-forcing diagnostics:
169      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
170    o modifications to pkg/seaice/growth.F and budget.F, which change results of
171      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
172      as actual snow thickness.  It now refers everywhere to effective snow
173      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
174    
175    checkpoint58r_post
176    o modifications to pkg/seaice/growth.F, which change results of
177      lab_sea experiment: fixes pertain to melting snow over open water, to
178      masking EVAP under sea ice, and to using the correct AREA variable for
179      computations of EVAP, PRECIP, HSNOW, and GHEFF
180    o add ability to read bathy, salt, and theta using MNC (off by def)
181    o add flooding algorithm and advection of HSNOW for pkg/seaice;
182      both are turned off by default and do no change any results
183    o seaice advection with pkg/thsice: a step toward the use of non-linear
184      advection scheme, but #ifdef or commented out for now (requires more EXCH).
185    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
186      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
187      in natl_box (affects results @ truncation level: update output.txt)
188    o multi-threading and IO:
189      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
190      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
191        (needed to work with SingleCpuIO): tested in all verif. exp.
192    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
193      affects the results (but none of the verification test uses this scheme).
194    o Adding some pkg/diagnostics capability to pkg/seaice
195      (will certainly be subject to changes)
196    o ctrl: adding new control variables:
197      lwflux, lwdown, evap, snowprecip, apressure, runoff
198    
199    checkpoint58q_post
200    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
201      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
202      high_res_cube configuration by 4% on Columbia.
203    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
204      add (in global_with_exf/code) a version of EXF_INTERP_READ without
205      dynamical allocation (seems to work in multi-threaded).
206    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
207      single CPU io) so that TAF does not have to see EESUPPORT.h
208    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
209    
210    checkpoint58p_post
211    o obcs: stop if obcs is used with useCDscheme = .true.
212    o shelfice:
213     - fix a sign error so that no slip at shelfice interface works
214     - remove stop for combination non-hydrostatic code and shelfice. That does
215       not mean, that the results are correct, but at least they are numerically
216       stable
217    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
218    o added adjoint exch routined for all exch*3d* routines
219      and updated flow directives
220    
221    checkpoint58o_post
222    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
223      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
224    o change controling S/R for writing pickup file (new S/R do_write_pickup)
225      and clean-up reading/writing of pickup files.
226    o fix local version of read/write pickup (NH part) in rotating_tank/code
227    o simplify EXCH interface:
228     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
229     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
230    o added the regrid package
231    o shelfice:
232     - add a simple boundary layer scheme to reduce noise
233     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
234    
235    checkpoint58n_post
236    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
237       local variable (not in common block).
238    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
239      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
240      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
241        to work with SingleCpuIO.
242    o add "_d 0" to real constant of pkg/cfc subroutines ;
243       update exp. cfc_exemple & tutorial_cfc_offline output files.
244    o multi-threading and IO:
245      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
246        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
247      - barrier before and after reading.
248      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
249      - avoid using MDS_WRITELOCAL for LAND pkg output.
250      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
251        common-block variables ; Allows multi-threading with master-thread IO.
252    o change default MAX_NO_THREADS from 32 to 4 ;
253      and stop cleanly when MAX_NO_THREADS is too small.
254    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
255    
256    checkpoint58m_post
257    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
258       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
259    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
260       keep global_ocean.90x40x15 (for AD testing) with former secondary test
261       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
262    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
263        add MITgcm_tutorials (= code + all the tutorials)
264    o ecco, option to compute cost for total ssh (mean+anom)
265    o consistent with addition of ptracer and ssh in pkg/profiles
266    o profiles: adding ptracer and ssh
267    o testreport: change multi-test output-file name
268      (from output.txt.{name} to output.{name}.txt)
269    o profiles: now ok for mutli-tiles case
270    o seaice: add 4 parameters for different advection schemes for area,
271      (effective) seaice thickness, enthalphy, and snow height. Their default
272      is the standard parameter SEAICEadvScheme
273    o calc_gw:
274     - add cosFacU in zonal viscous flux (harmonic.visc.).
275     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
276       of tutorial_plume_on_slope.
277    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
278    o calc_gw: true flux-form, account for horizontal grid spacing.
279      update rotating_tank results, but not plume_on_slope (affected at
280      truncation level, 11 digits).
281    
282    checkpoint58l_post
283    o calc_gw:
284     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
285     - remove side-drag for now (need to fix it); update plume_on_slope results.
286     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
287    o commit code to make SST/SSS weights spatially variable
288      (based on either variable in-situ or variable initial T/S weights)
289    o pkg/ecco:
290      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
291        now based on horizontally varying weights wthetaLev, wsaltLev
292      * cost_averagesflags now returns year indices in addition to day, month
293      * sflux balance is performed on annual basis
294        (sflxumm, sfluxmm2, bal_sfluxmm)
295      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
296        including separate counting and multipliers
297    o pkg/rbcs
298      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
299    
300    checkpoint58k_post
301    o testreport:
302     - always build in dir. "build" (if not there, mkdir build instead of building
303       & running in input)
304     - run in dir run (if it exists), in build otherwise.
305     - call prepare_run (if input/prepare_run exists)
306     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
307    o pkg/exf modifications to interpolation and rotation routines for more
308       reasonable treatment of North Pole singularity: for tracers North Pole
309       value is set to northernmost zonal-mean value, for zonal velocity it is
310       set to zero, and for meridional velocity it is set to northernmost value.
311    o pkg/exf/exf_check_range.F
312     - add tile index to diagnostics and move stop statement to the very
313       end of the routine.
314    o pkg/diagnostics: (diagnostics_main_init.F)
315      define title of isomorphic variables according to the current config.
316    o pkg/thsice with pkg/seaice dynamics:
317    - fix domain of computation (interior only, required for exf) and do exchanges
318    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
319    o towards a standard way of dealing with multi-threading in MONITOR
320      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
321    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
322       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
323    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
324    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
325    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
326       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
327    o tracer advection:
328     - clean-up and simplify calc_common_factors.F
329     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
330       advection subroutine (but still not used within DST advection S/R)
331    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
332    
333    checkpoint58j_post
334    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
335      from file (collects calls previously in FORWARD_STEP)
336    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
337    o adjoint store dir. adjusted accordingly
338    o genmake2
339      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
340    
341    checkpoint58i_post
342    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
343      on wind stress (SEAICEstressFactor defaults to 1.)
344    o Total number of Timers is finite (<=40): comment out 2 non-essential one
345      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
346    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
347      on CS-grid: no longer loosing mass.
348    o exf & curvilinear-grid: no longer modify longitude xC & xG.
349    o pkg/ggl90: fix sloppy output and fix a bug
350    o pkg/seaice: added SEAICEuseEVPpickup parameter
351      - Set to false in order to start EVP solver with
352        non-EVP pickup files when using SEAICEuseEVP
353      - fix sign error in diffusion in seaice_calc_rhs
354    
355    checkpoint58h_post
356    * Modifications for bottom topography control
357      o replace hFacC by _hFacC at various places
358      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
359      o add non-self-adjoint cg2d_nsa
360      o update autodiff support routines
361      o re-initialise hfac after ctrl_depth_ini
362      o works for 5x5 box, doesnt work for global_ocean.90x40x15
363    * Adding verification for 5x5 box (4-layer) bottom topography control
364    
365    checkpoint58g_post
366    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
367       used for mean seasonal cycle, mean diurnal cycle); add an example
368       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
369    o pkg/ggl90:
370      - add parameter (minimum surface kinetic energy)
371      - fix bug (avoiding division by zero)
372    o couple pkg/thsice to pkg/seaice:
373      - modify advection in seaice to accomodate new scalar fields to be advected
374      - only muliDimAdection scheme work with seaice/thsice
375      - mapping of thsice-variables to seaice-variables, back and forth
376      - does not break the verification experiments, but does not give the
377        desired results either
378    o pkg/seaice
379      - make (default) second order advection a bit less confusing?
380    
381    checkpoint58f_post
382    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
383      to pkg/seaice):
384      - new routines thsice_map_exf and thsice_get_exf provide the interface
385      - add an additional formal parameter to thsice_solve4temp
386    o pkg/exf:
387      - add new fields wspeed, snowprecip (to be able to couple to thsice)
388      - correct Stefan-Boltzmann constant
389      - new parameter for longwave surface emittance
390      - separate some stuff from exf_bulkformulae into new routines  
391        exf_radiation, exf_wind
392      - add new parameters and constants: longwave emissivity for ocean, ice
393        and snow, evaporation parameters over ice
394      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
395        either wind from stress or stress from wind
396    o pkg/thSIce:
397    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
398    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
399       and THSICE_CALC_THICKN
400    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
401    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
402      to make debugging easier.
403    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
404    o pkg/bulk_force:
405      - clean-up comments and parameters ;
406      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
407    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
408      generate new output for test-experiment: aim.5l_cs.thSI
409    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
410      testreport accordingly
411    
412    checkpoint58e_post
413    o SEAICE_CGRID adjoint done
414    o R_STAR adjoint implemented.
415      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
416      * need to sort out init. of h0facc, etc.
417    o Make pkg/profile fully independent of ecco,cost, etc. stuff
418      to be able to use it in pure forward.
419    
420    checkpoint58d_post
421    o upgrade simple test-experiment to tutorial example:
422     step.1: duplicate the experiment and (step.2) will remove the old copy.
423      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
424      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
425      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
426      tutorial_global_oce_biogeo    <- copy of dic_example
427      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
428      tutorial_plume_on_slope       <- copy of plume_on_slope
429      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
430      tutorial_global_oce_optim     <- empty for now (David ?)
431      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
432     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
433    o correct a sign problem in cost_scat.F
434    o obcs and ptracers: fix boundary conditions for advections schemes
435      with larger stencil
436    o thsice adjoint: start
437    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
438      completeness
439    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
440      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
441    o ptracers adjoint:
442      * avoid extensive recomputatations
443      * fix missing re-init. of gptr (missed by TAF)
444    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
445      me to turn off the excessive output to STDOUT that this package produces
446    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
447      and add those terms in Vector-Invariant formulation.
448    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
449      if the control period (xx_hfluxperiod etc) is 0
450    o in profiles pkg, clean routines and fix details
451    o in ecco pkg, reading ssh data:
452      fix problem in case the model does not start at iter0=0
453    o fix mnc-pickup/restart for ptracers
454    o new package prifiles:
455      code to compute profile-based cost by Gael Forget
456      (modifs in ecco, ctrl, autodiff)
457    o Benign bug fix in initialization (spotted by M. Mazloff) of
458      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
459    
460    checkpoint58c_post
461    o adjoint: finish NLFS adjoint and provide reference output in
462      verification/global_ocean.90x40x15/results_ad_nlfs
463    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
464      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
465      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
466      with SEAICE_CGRID defined.
467    o move calendarDumps from "data" to "data.cal" and clean-up the code
468      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
469    o add useEXF & useCAL flags (for now, set in hard-coded way)
470    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
471      (were missing in NH mode, and wrong in quasihydrostatic mode).
472      waiting for Chris updated version of calc_gw to add those CALLs.
473    o fix bug in quasihydrostatic S/R ;
474      add a test for this option: global_ocean.90x40x15.qshyd
475    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
476      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
477    o add on/off flag useOffLine for package OFFLINE
478    o seaice:
479      - modify advection so that it works also on the C-grid
480      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
481        problem in multi-tile runs with C-grid
482      - add flags for clipping ice velocities and/or masking solver forcing
483      - fix drag (ocean on ice) formulation and a bug that caused noise in the
484        C-grid solver
485      - added a few comments to seaice_diffusion.F
486      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
487        are now exclusive)
488      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
489        required re-ordering the code a little:
490       + make DAIRN global variable (defined in SEAICE)
491       + move computation of the viscosities eta and zeta into a new separate
492         routine (because I need to recompute them in seaice_ocean_stress.F)
493    
494    checkpoint58b_post
495    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
496      update output.txt of exp. aim.5l_cs.thSI
497    o various mnc cleanups and improvements:
498      + shrink lookup tables by factor of ~4
499      + better error reporting when running out of lookup space
500      + able to handle longer path/file names (up to 500 chars)
501    o adjoint:
502      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
503      - TBD: "hidden" mom_vecinv recomp. in dynamics
504    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
505     (allow to differentiate between forcing components using new integer flags:
506      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
507     and add new flag to put Dissipation tendency out of Adams-Bashforth.
508    o ecco
509      - enable trend removal from SSH anomaly obs.
510    o adjoint
511      - a fix for PmEpR when #undef EXACT_CONSERV
512      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
513      - try to fix "hidden" recomp. in forward_step for NLFS
514        (NLFS seems broken sometimes after I checked it in)
515    o seaice:
516     - add c-grid version of the dynamic solver:
517       + three new routines that are the c-grid substitute lsr, dynsolver
518         and ostres
519       + put a few fields that were local to dynsolver into global common
520         blocks, so that I can move the computation of stresses etc into
521         seaice_lsr (saves coding but may break the adjoint).
522     - replace more hardwired parameters by runtime parameters
523     - add ice masks that mask the rhs of the implicit solvers where there
524       is no ice (commented out in seaice_dynsolver, because i am not sure
525       if this works properly), eventually this should replace the clipping
526       of ice velocities in seaice_dynsolver to +/-40cm/s.
527    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
528      include it only where its needed
529    o move balancing of fluxes before the call of external_forcing_surf
530    o seaice:
531      - correct units of turning angles (now they are really in degrees)
532      - move computation of GWATX/Y out of main routine into dynsolver
533      - initialize GWATX/Y in seaice_init
534    o Apply mask on Fresh-Water flux (needed for SSH forcing).
535      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
536    o seaice: add runtime flags for turning angles (default to zero)
537    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
538      and trend from exf forcing and ctrl control adjustments
539    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
540      (since checkpoint57x_post)
541    o change the default rotation period to 86164.s = the Earth rotation
542    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
543      and based on a reference stratification. Tested within hs94.cs-32x32x5.
544    o seaice advection: add code for choosing between the default (2nd order
545      central differences) and multiDim advection schemes provided by
546      pkg/generic_advdiff
547    o seaice:
548      - removed all references to SEAICE_GRID.h fields from
549        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
550        (cubed-sphere configuration will change a little)
551      - grid computations in seaice_init are obsolete now.
552      - cleaned up code a little so that is easier to read (hopefully).
553      - added new (better?) discretizations of default advection and diffusion
554        (turn on with SEAICEuseFluxForm)
555      - replace 1 in 3d global fields by kSurface in growth.F
556      
557    checkpoint58a_post
558    o seaice:
559      - bug fix in advect.F
560    o shelfice:
561      - separate shelfice load anomaly from pload (breaks with time
562        dependent forcing), => introduce constant field shelficeLoadAnomaly.
563        Its default is 0., but it may be computed more cleverly from (unknown)
564        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
565        done offline. A good approximation of the pressure load anomaly is
566        necessary to avoid large initial adjustment processes underneath
567        deep-reaching shelfice.
568      - small fix in ISOMIP shelfice_thermodynamics
569      - add more sophisticated thermodynamics of Hellmer (1989), this is
570        now the default
571      - give a few constants more intuitive names
572    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
573      if bulk formulae are used in long integration (especially EmPmR). Turn
574      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
575      if balancePrintMean, the imbalance that is substracted is printed to
576      STDOUT.
577    o fix bug (typo) in obcs_apply_eta.F
578    o add a new package shelfice which enables us to model the circulation
579      underneath shelf-ice with draughts of hundreds of meters.
580     - works
581     - to do: + include improved thermodynamics
582              + check whether kSurfC (from model/inc/SURFACE.h) can be used
583                instead of new field kTopC
584              + can we use topoFile, Ro_surf and existing code in ini_depth.F
585                instead of new field R_shelfIce and new code in ini_depth.F
586                and ini_mask_etc.F?
587              + adjust vertical mixing schemes?
588    o seaice pkg:
589     - add a cpp-flag to include a simple formula for a salinity dependent
590       freezing point of sea water at the surface
591     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
592       meridional stresses are now different (and hopefully correct)
593    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
594       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
595       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
596    o pkg/diagnostics: add options and parameters for regional-statistics
597       diagnostics ; define regions by reading a region-mask from a file
598       (might add other options later)
599    o pkg/bulk_force:
600     - add option and parameters to use AIM surface-flux formulae.
601     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
602       others forcing fields (defined in PARM05, parameter file "data") are loaded
603       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
604     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
605     - use the right EXCH call for uwind,vwind (to work on CS-grid).
606     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
607       and parameters (note: calcWindStress replaces .NOT.readwindstress).
608     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
609    
610    checkpoint58
611    o add "--embed-source" option to genmake2 which, when the supporting
612      tools can be compiled (as determined by genmake2) will turn on the
613      embed_files package which then embeds the entire MITgcm source code
614      (*.[fFhc] + Makefile) used for the build within the executable
615      - requested by CNH but off by default
616      - adds a paltry <9MB to the mitgcmuv executable in most cases
617      - only writes the output when useEMBEDSRC in eedata is true
618    o clean up 3-dim. relaxation codes:
619      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
620      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
621      * Thanks to Tom Haine for testing!
622    
623    checkpoint57z_post
624    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
625      affects output (@ truncation level) of exp. plume_on_slope ; updated.
626    o fix the pickup behavior for obcs in combination with ptracers
627    o fix a bug in ptracers_external_fields_load
628    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
629      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
630    o transfered surface NH pressure to eta field (if exactConserv).
631    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
632         and update lab_sea output.txt file.
633    o completing 3-dim. relaxation code: additional term
634         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
635      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
636      * At compile time, in "EXF_OPTIONS.h" set
637          #define  ALLOW_CLIMTEMP_RELAXATION
638          #define  ALLOW_CLIMSALT_RELAXATION
639      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
640          tauThetaClimRelax3Dim = 15552000.0,
641          tauSaltClimRelax3Dim  = 15552000.0,
642      * 3 cases:
643          1) Use a constant-in-time 3-dim. field
644          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
645          3) Real-time relax. to time-evolving prescribed field
646    o Adding Laplacian-type smoothness constraint on
647      initial and boundary (forcing) controls (ic, bc)
648      * enable at compile-time via
649        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
650      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
651      * Absolute scale somewhat unclear so far
652      * no area weighting was included since no other cost term does so far
653    
654    checkpoint57y_post
655    First step for a NLFS adjoint
656    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
657    o new init. routines for calc_r_star, calc_surf_dr
658    o still need to deal with ini_masks_etc
659    o testreport seemed happy
660    checkpoint57y_pre
661    
662    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
663    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
664    o add new offset feature to offline pkg (plus minor cleanup)
665    o cfc fixes for final year of integration
666    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
667      be in GCHEM_OPTIONS).
668    
669    checkpoint57x_post
670    o fix testreport Pb in multiple test experiment.
671    o cleanup our namelist syntax in verification:
672      - make it more F95 standards compliant (some work still needed)
673      - allows the vast majority of our tests to work with gfortran
674    o Non-Hydrostatic:
675     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
676     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
677    o Allow to apply AB on T,S rather than on AB(gT,gS):
678     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
679     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
680       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
681     - need a "clever" read_pickup to restart from the other AB formulation
682    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
683    o remove some unused variables (reduces number of compiler warnings)
684    o adjoint
685      * Disable useVariableViscosity for adjoint for time being
686        (there are a number of extensive recomputations)
687      * Initialize certain variables needed for adjoint
688    
689    checkpoint57w_post
690    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
691                 fix the singleCpuIO RS version of MDSWRITEFIELD
692       and add a WARNING if using globalFiles=T with multi-processors.
693    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
694      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
695    o tracer advection scheme:
696      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
697       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
698       was not very convenient).
699      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
700       (further tests needed for the implicit DST & Flux-Limiter schemes).
701    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
702      and sRef for convenience, handy, when you want to initialize
703      ptracers in a large domain with a constant non-zero value. Also,
704      untangle ptracers_init.F a little.
705    
706    checkpoint57v_post
707    o change dome exp. to use variable viscosity in side-drag terms.
708    o remove all the files from the cfc_offline test since they are now
709      incorporated into tutorial_cfc_offline which has been producing
710      identical results for a few days of testing
711    o add new parameter: sideDragFactor to enable half-slip-side BC
712      and change side-drag S/R to use viscosity from mom_calc_visc
713      (can switch back by setting sideDragFactor=0.); affects results at
714      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
715       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
716    o vorticity & strain are now computed without masking, to account for
717      no-slip-side BC in variable viscosity calculation ; mask is applied
718      anyway later on, before computing advection/coriolis terms.
719    o modify exp4 to test new obcs support for reading from external files
720      and for passive tracers
721    o fix behavior of ptracers_monitor when monitor output is written to a
722      netcdf-file; still not independent of monitor.F (writes in the same
723      file).
724    o change default value of tRef (put a uniform, meaningful value for ocean
725      & atmos) and initialize sRef (was missing, as Martin mentioned).
726    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
727      to be proportional to enstrophy dissipation length.  Thus,
728       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
729      This is now consistent with Smagorinsky and with the manual.
730    
731    checkpoint57u_post
732    o OBCS and PTRACERS: add open boundary support for passive tracers
733      - either use homogenous (pseudo) v.Neumann conditions or prescribe
734        OB-values from file; this is not different from the way theta and salinity
735        are treated
736      - however, Orlanski-radiation conditions are not supported, and the model
737        will stop if you use pTracers and Orlanski at the same time.
738      - beefed up the rountine obcs_external_fields_load: now only those open
739        boundary values are overwritten with values from files for which there
740        are really files, otherwise the OB-fields remain untouched. This makes
741        it possible to use different OBs at different ends of the domain (as
742        with EXF)
743    o reduce number of exch calls in shap_filt (s2).
744    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
745      truncation level) 4/5 MLAdjust test results (11&12 digits match).
746    
747    checkpoint57t_post
748    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
749    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
750      same truncation, independent of the face number: affects affects several
751      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
752    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
753      note that biharmonic viscosity + no-slip was not tested in any experiment.
754    o fix bug in non-linear free-surf side-drag ; generate new output for
755      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
756    o make mnc honor the writeBinaryPrec flag for most kinds of output
757    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
758    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
759      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
760    o add brackets in multi-terms sum to get same truncation, independent of
761      the face number (manage to get exactly same value of gU,gV at the cs-edge)
762      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
763    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
764      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
765      a maximum grid-scale Reynolds number.  Also, changes all length calculations
766      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
767      Suggested values of viscosity parameters found in mom_calc_visc.
768      Many new viscosity diagnostics available.
769    
770    checkpoint57s_post
771    o Add clearing-house for viscosity calculations, mom_calc_visc and
772      correct numerous bugs in LeithD and Smagorinsky discretizations.  
773      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
774      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
775      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
776      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
777      The Strain-Tension form is now called with useStrainTensonVisc=.true.
778      ViscAhStrain and viscAhTension are now retired.
779    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
780    o In response to JMC's bug report, genmake2 now ignores any soft-links
781      that it finds in the *current* directory when searching for files.
782      Soft-links found in any other source directories will still work as
783      they did before.
784    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
785      a C routine to unlimit the stack size
786    o mnc-ify pkg/aim snapshot vars
787    o mnc-ify pkg/land as requested by Daniel
788    o various changes to mnc including:
789      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
790      - output can now be grouped so that all files within a group
791          change the ITER portion of their names in lock-step together
792      - can now read ("global") PER-FACE (in addition to PER-TILE) files
793          and works with both EXCH1 and EXCH2 (but needs more testing)
794      - writing works for all verification test cases w/ g77 on Linux
795    
796    checkpoint57r_post
797    o make MNC variable initialization happen earlier
798    o add diagnostics for (almost) each term of the momentum Eq.
799    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
800    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
801    o remove MINIMAL_TAVE_OUTPUT option ;
802      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
803    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
804      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
805    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
806    o add time-dependent SST, SSS control
807    o cost terms in ecco/ modularized (new cost_generic.F)
808    o cost_averages routines are modularized (new cost_averagesgeneric.F)
809    o new infrastructure for seaice model vs. obs misfits in seaice/
810      * driver from the_main_loop.F is seaice_cost_driver.F
811      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
812      * gradient check in Exp. 6a of natl_box_adjoint/
813    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
814      (see README file)
815    
816    checkpoint57q_post
817    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
818    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
819      - bug was reported by Jean-Michel and Ian Fenty
820    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
821      update exp. cpl_aim+ocn output.
822    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
823      Needed for high-res. runs with large global files
824      to be able to limit tapelev size
825    o Changed some tests for adjoint:
826      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
827      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
828      * global_ocean.90x40x15/ back to default 3-level checkpointing
829    o Modifications to enable scripted COMMON to MODULE conversion
830      * verification/OpenAD/code/ has necessary scripts and description;
831      * converts, compiles and runs successfully;
832    
833    checkpoint57p_post
834    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
835    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
836      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
837    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
838    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
839      (was already the case for dissipation with mom_vecinv,
840       and also the case for grad.PhiHyd when staggered-timeStep)
841      This will allow to put dissipation out-off the AB time-stepping.
842     Unfortunately, affects truncation error. Update output of exp. that "fails"
843      (cg2d matching number) and leave the others for later: front_relax(10),
844      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
845      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
846    
847    checkpoint57o_post
848    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
849      (2) its ready to be documented during the 20050801 DocFest
850    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
851      for ideal_2D_oce and lab_sea on linux_ia32_g77
852    o set to #undef CTRL_SET_OLD_MAXCVARS_30
853      in global1x1_tot/code_seaice_adj to access indices 32, 33
854      (worth another tag)
855    
856    checkpoint57n_post
857    o adding precip control xx_precip 32
858    o adding swflux control xx_swflux 33
859    o Replacing 10 forcing penalty cost routines by 1 generic.
860    o Implementing partitioning in time-mean and variable adjustment
861      for atmos. state.
862    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
863    o in natl_box_adjoint:
864      * updated exp 1 to 10
865        (but does not have time-mean vs. variable split results yet)
866    o updated global1x1/*_seaice_adj/
867      to incorporate latest changes
868    o enable useSingleCpuIO for mdsio vector routines
869      (applies in particular to tapelev I/O)
870    o removed inefficient K-loop in all active_file*control*.F
871    
872    checkpoint57m_post
873    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
874      and advect_cs (use EXCH-2 and standard cs-32 grid files).
875    o pkg/exch2: filling of face-corner halo regions is optional
876      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
877    
878    checkpoint57l_post
879     tag before updating tutorials (pre-release-2)
880    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
881       for output and interpolation of input fields onto model grid)
882    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
883       Affects results of exp. rotating_tank ; update output.txt.
884    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
885          and taking the square quantity and/or using a fraction-weight field.
886    o fix aim_diagnostics_init.F mate numbers.
887    o add mnc output capability to diagnostics/diagstat and update
888      our cvsignore files for the ACSII output generated
889    
890    checkpoint57k_post
891    o lab_sea now uses diagnostics package and provides a suite of
892      new EXF diagnostics output.
893    
894    checkpoint57j_post
895    o exf
896      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
897        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
898        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
899      * extended diagnostics output
900        - now includes all EXF variables
901        - hs, hl moved to common block
902        - separate S/R for diagnostics, called after ctrl vector is added
903        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
904        - EXFqnet contains true Qnet (i.e. includes qsw)
905      * updated verif. lab_sea, global_with_exf
906      * Rearranging hflux (exf_mapfields -> exf_getforcing)
907        to ensure that diagnostics sees a true EXFqnet
908    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
909    o diagnostics pkg: change pointers so that 1 diagnostic can be used
910      several times with different frequencies.
911    o mnc-ify the thsice package as requested by Daniel Enderton
912      - the monitor--MNC output needs work
913      - many attributes need to be added (most are currently blank)
914    o mnc-ify theaim_v23 package as requested by Daniel Enderton
915      - many attributes need to be added (most are currently blank)
916    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
917    o add Sadourny like discretization to the 4th.O vorticity advection scheme
918    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
919      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
920         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
921    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
922     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
923    
924    checkpoint57i_post
925    o Diagnostics package was changed: diagnostic allocation is now deactivated
926      by setting an empty file name in the namelist (used to be by setting 0 frequency)
927    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
928      add 1rst Order upwind vertical Shear.
929    o add a quick fix for A/B checkpointing in OFFLINE mode
930    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
931      end-run around the C/Fortran linking horror in eesup/src/timers.F
932    o added pkg/runclock: allows user to terminate run based on wall clock
933    o added non-hydrostatic scaling parameter: nh_am2
934    o pkg/my82: futile attempt to make results compiler-independent by adding
935      some "_d 0", etc. no effect.
936    o for mnc output, fill the 'T' coordinate var with myTime and create a
937      separate 'iter' variable for iteration count
938    o pkg/diagnostics:
939      add new capability: output of Global/Regional & per-level statistics ;
940      tested against monitor output (including land & thSIce) on various exp.
941    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
942    
943    checkpoint57h_done
944      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
945      data.diagnostics, data.gchem, data.ptracers) is done.
946    
947    o pkg/diagnostics: prepare for Global/Regional statistics.
948      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
949    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
950      and rename it: DIFFERENT_MULTIPLE
951    
952    checkpoint57h_post
953    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
954    o pkg/diagnostics: change output frequency, now in seconds (instead
955      of Nb of iterations). This requires to change data.diagnostics.
956    checkpoint57h_pre
957    
958    o in mnc, let the user create the output dir if both mnc_outdir_date
959      and mnc_outdir_num are false
960    o add fflags() to pkg/diagnostics which allows one to specify, on a
961      per-file basis, the file precision [default behavior is unchanged]
962    o added diagnostics to pkg/kpp, including computation of mixed layer
963      depth based on a temperature/density criterion
964    o updated verification/natl_box to test the new pkg/kpp diagnostics
965    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
966    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
967    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
968      not mnc -- this mistake was found by JMC and is now corrected
969    
970    checkpoint57g_post
971    o add Adams-Bashforth 3rd Order time stepping:
972      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
973      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
974    checkpoint57g_pre
975    
976    o make lambda[Theta,Salt]ClimRelax spatially varying
977      (default remains spatially uniform constant based on tau)
978    o added new control variables
979      * init. uVel, vVel, etanN
980      * lambda[Theta,Salt]ClimRelax
981    o separate masks used for ctrl_pack/unpack 'from write_grid' output
982      (suggested by G. Forget)
983    
984    checkpoint57f_post
985    o add parameter "baseTime" = model base time = time at iteration zero
986      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
987      account for baseTime shift
988    o move Coriolis arrays from PARAMS.h to GRID.h
989    checkpoint57f_pre
990    
991    o mnc-ifying the seaice package
992    o introduced an alternative length scale calculation for use in the limiting
993      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
994    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
995    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
996      as well as grad(vort3).  Made it compatible with both approximate form
997      for the cubed sphere and full form of these gradients.  Added flag
998      useFullLeith to select between approximate and full form.  
999    o add "d0" in getcon.F to reduce differences between compilers/platforms
1000      update output.txt of exp. fizhi-gridalt-hs
1001    o change port_rand funtion to allow to set the seed.
1002    o fix obscure MNC bug involving conversion between reals and integers
1003      - it caused no problems with certain (eg. gcc, ifc) compilers but the
1004        new version is now more standards-compliant
1005    o adjoint-related modifications
1006      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
1007      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
1008      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
1009    
1010    checkpoint57e_post
1011    o Adding eddy stress controls a la Ferreira et al.
1012    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
1013    
1014    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
1015      update output.txt of exp. fizhi-gridalt-hs
1016    o add more "Z" dimensions and associated coordinate vars to MNC
1017    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
1018    o parameter calendarDumps: when set, approximate months (30-31 days) and years
1019      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
1020      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
1021      months and years.  Requires pkg/cal.
1022    o diagnostics: add pickup functionality
1023      - off by default for backwards compatibility
1024      - current version only uses MDSIO -- MNC will be added
1025    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
1026    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
1027    
1028    checkpoint57d_post
1029    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
1030    o modify verification/ideal_2D_oce so that it tests the creation of mnc
1031      output from the diagnostics package
1032    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
1033    o make genmake2 more portable by using ".$FS" instead of ".f" for more
1034      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
1035    o add coordinate variables to the MNC output from the diagnostics package
1036    o change MNC-flags default value: true when useMNC=TRUE
1037    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
1038      the ability (off by default) to read the grid information using MNC
1039    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
1040    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
1041    o do snap-shot diagnostics at the middle of the time-interval (instead of
1042      at the end).
1043    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
1044      new test for AIM with thSIce + slab-ocean
1045    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
1046    o move state variable diagnostics to the beginning of the time step ;
1047      (note: still needs some work specially for snap-shot diagnostics)
1048      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
1049    
1050    checkpoint57c_post
1051    o Change testing option (-ieee) to get closer agreement between g77 & ifort
1052    o generate new output.txt files on faulks with g77 & the new -ieee option
1053    checkpoint57c_pre
1054    
1055    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
1056      update output.txt of exp. global_ocean.90x40x15
1057    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
1058      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
1059    o add saltFlux(+File) forcing capability with periodicExternalForcing
1060    o allow to use pkg diagnostics for GM-Redi & ThSIce output
1061    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
1062    o improvements for the MNC output from DIAGNOSTICS:
1063      - correct handling of the unlimitied dimension
1064      - all dims now have associated coordinate variables
1065      - variables located at U, V, and Corner ("Z") points are now written
1066        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
1067        *all* data points are output
1068    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
1069    o added pkg/seaice/seaice_monitor.F
1070    o mdsio_readfield.F can now read files visible only to master MPI process.
1071    o pkg/seaice: some test code for ice-modified ocean stress
1072    o exf_getffields interpolation defaults to bilinear for all scalar forcing
1073      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
1074      spurious negative numbers for precipitation and humidity.  Will cause
1075      some small numerical differences for integrations using pkg/exf/exf_interp.F.
1076    o pkg/ctrl/
1077      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
1078        May be enabled via doPackDiag
1079      *  introduce z-scaling of
1080         + gradient (doZscalePack) and
1081         + control (doZscaleUnpack)
1082    o pkg/mdsio/
1083      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
1084      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
1085    
1086    checkpoint57b_post
1087    o simplify options in diagnostics_fill arguments (remove weird combinations)
1088    o fix MNC coordinate variables so that they now contain per-face index
1089      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
1090      general, EXCH2 grids are only aligned to a "local" coordinate system
1091    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
1092    o Implement instantaneous output within pkg diagnostics:
1093      setting a negative frequency in data.diagnostics produces
1094     "snap-shot" output (as opposed to time-average if freq > 0)
1095    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
1096      NOTE: change ptracer diagnostics name: use 2 characters to work with
1097            more than 9 tracers. Add also diagnostics of advect & diffus flux.
1098    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
1099      becomes the coordinate variable for the 'T' dimension
1100    o add CF-style coordinate variables to MNC
1101      - just a first cut:  numbers are meaningless on the cubesphere and
1102        missing along the T axis but otherwise it works!
1103    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
1104    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
1105    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
1106      this is based directly on what the model compute, so that the content of
1107      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
1108    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
1109    o clean up build options files for SunOS, in particular
1110      - remove -traditional from xmakedepend
1111      - change -xarch=v9 to -xarch=native for f77
1112      - restore use of make (not gmake)
1113      - add CC=gcc if using g77
1114    o changes per discussion of AM, JMC, & EH3 today:
1115      - move redundant "grid" variables out of "state" -- in preparation of
1116        creating proper CF-style coordinate variables and in recognition
1117        that any/all grid variables can be easily copied (eg. w/NCO) from
1118        the grid files into any of the other NetCDF files
1119      - *always* output grid variables with MDSIO (this will eventually be
1120        changed)
1121      - output MNC grid file if useMNC is true
1122    o every instance of _END_MASTER() has been found and replaced with
1123      _END_MASTER( myThid ) in order to satisfy certain picky Sun
1124      preprocessors
1125    o re-arrange diagnostics pkg initialisation:
1126     - allow each package to extend the available diagnostics list
1127     - add some checking and fix small problems (multi-threaded, ...)
1128     - new S/R diagnostics_fill (replace fill_diagnostics):
1129       look through the short list of active diag. (instead of the long list)
1130       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
1131    
1132    checkpoint57a_post
1133    o this set of changes restores TAMC compatibility
1134      tested for global_ocean.90x40x15 adjoint on trough
1135      (what a pain)
1136    
1137    checkpoint57a_pre
1138    o some modifs in tools/build_options for sunos
1139    o call ctrl_pack for ctrl at end for optimcycle=0
1140    
1141    checkpoint57
1142    o add horizontal bi-harmonic viscosity for vertical velocity
1143      - new parameter viscA4W (defaults to viscA4)
1144      - affects only non-hydrostatic code
1145      - to be done: no-slip lateral boundary conditions
1146    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
1147    o implement Implicit Vertical advection for pTracers
1148    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
1149      (implemented also for implicit vertical diffusion & advection)
1150    o OBCS: extend application of tracer open boundary conditions
1151      to a strip beyond the boundary of width Olx/Oly
1152    o add call monitor to TAF set of required calls (flow directives)
1153      and include in natl_box_adjoint
1154    o untangle a few ifdefs related to cost, ctrl, autodiff
1155      untangel a few ALLOW_ECCO_OPTIMIZATION
1156    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
1157      (theta2, salt2 in ecco_cost_weights)
1158    
1159    checkpoint56c_post
1160    o OBCS as control variables
1161      - update ctrl_ad_diff.list, obcs_ad_diff.list
1162      - remove balance of obcs controls from default
1163      - fix index bug nobcs in ctrl_init
1164      - fix dummy fields filen in ctrl_pack
1165      - add dummy weights for obcs
1166    o lsopt: comment out fort.94 output
1167    o optim:
1168      - remove unnecessary header files
1169      - adjusted namelists
1170      - add xerbla.F to Makefile
1171    o exf:
1172      - multiple modifications of exf_check_range
1173      - unit change in exf_init_runoff from [m/year] to [m/s]
1174    o mdsio:
1175      - i/o-vector change debugLevel from debLevA to debLevB
1176    
1177    checkpoint56b_post
1178    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
1179      is called from DO_THE_MODEL_IO
1180      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
1181      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
1182      - clean up PTRACERS_WRITE_TIMEAVE a little
1183    o add another verification experiment that tests both the cfc-pkg and
1184      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
1185      reactive tendencies treated inline with regular timestepping
1186    o testreport previously did a lousy job of comparing small numbers, so
1187      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
1188      implemented in the little c-progam tmp_cmpnum.c which is embedded in
1189      testreport.
1190    o ptracers_monitor: bug fix for MPI
1191    
1192    checkpoint56a_post
1193    o GCHEM: finish reorganizating the package
1194      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
1195        (introduces another 3D-array for each passive tracer, but only if
1196        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
1197        gchemTendency is not needed because the timestep is done separately)
1198      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
1199      - GCHEM is now---more or less cleanly---separate from PTRACERS
1200      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
1201        so clear to me how that should be done in a general way.
1202    o CFC: improve formatting of output in CFC_ATMOS
1203    o PTRACERS:
1204      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
1205        that ALL experiments with ptracers enable can be checked. This makes
1206        GCHEM_MONITOR obsolete.
1207      - include a runtime parameter PTRACERS_monitorFreq that defaults to
1208        monitorFreq
1209      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
1210    o add PTRACERS (PTR0[1-5]) to testreport output
1211    o exf_check_range:
1212      * default changed to .TRUE.
1213      * will check values for niter0 if debLevA, every timestep if debLevB
1214      * STOP in exf_check_range if 'out of range'
1215      * range chosen generous to allow for potential extema
1216      TBD: a version with stricter range
1217           permitted range would be runtime parameters
1218    o GMredi:
1219      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
1220      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
1221      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
1222    o GCHEM:
1223      - move call to GCHEM_FORCING_SEP, so that it is now called before
1224        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
1225      - introduced a useGCHEM runtime flag and applied it everywhere.
1226      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
1227        this flag is now only visible within GCHEM-pkg routines.
1228      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
1229        be replaced by a 3D array that is computed before thermodynamics; for
1230        this, the tracer ID iTracer had to be included into the parameter list
1231        of ptracers_forcing
1232      - set up forward_step to call gchem_forcing, that will replace
1233        gchem_forcing_int in ptracers_forcing
1234      - cleaning up
1235    o small cleaning of exch2: remove files that are also in eesupp/src
1236    
1237    checkpoint56
1238    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
1239    o mnc: cleanup "full" files--fixes out-of-memory problem
1240    o ECCO-GODAE
1241      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
1242      * fully merged and updated from SIO code
1243        windstress sign change affects
1244        - exf_inscal_[u/v]stress
1245        - sign of xx_tau[u/v] adjustments
1246        - signs in cost_scat
1247      * ctrl_get_gen: avoid update of tau[u/v] for first few days
1248      * natl_box_adjoint updated and compressed
1249      * 2-level checkpoint switch added
1250        (tested in EXP. 1 of natl_box_adjoint)
1251      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
1252    o SVD
1253      * first complete, non-hacked version for SVD calculations
1254      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
1255        performed via direct access files admtlm_vector.it????
1256        (via ctrl_[un]pack)
1257      * optimcycle is used for ARPACK iteration counter
1258        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
1259      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
1260        and add linear transforms where necessary
1261      * controls are initial/final SST, SSS (can be extended; need to check
1262        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
1263    o mdsio: filename info to both stderr, stdout
1264    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
1265      from sign change
1266    
1267    checkpoint55j_post
1268    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
1269      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
1270    o add consistent build directories and .cvsignore files to verification
1271    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
1272    o make all subroutines 30 or less characters in length for certain older
1273      compilers to work (a thorough search only turns up two routines in
1274      pkg/ptracers)
1275    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
1276      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
1277    
1278    checkpoint55i_post
1279    o change arrays for total vertical diffusivity (2.D if explicit,
1280      3.D if implicit) ; each ptracer uses its own background value.
1281    o added mnc/NetCDF output capability to ocn_compon_interf
1282      - added bits to verification/cpl_aim+ocn so that it can run on
1283        ITRDA and other clusters without the mpirun "-wd" option
1284    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
1285      configuration
1286    o give MNC the ability to create additional files rather than
1287      exceeding a specified file size limit "MNC_MAX_FILESIZE"
1288      - the default is just less than 2GB which is a practical limit
1289        on many systems
1290    o Compute the non-local term using either KPP vertical diffusivity (=default)
1291       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
1292    
1293    checkpoint55h_post
1294    o add verification test "vermix"
1295    o remove all the *_ioinc flags and replace with the single global
1296      outputTypesInclusive flag
1297    o allow to set a vertical profile of vertical diffusivity for T & S
1298    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
1299    o useMNC moved from data.mnc to data.pkg
1300    
1301    checkpoint55g_post
1302    o Renaming carbon AD experiments to comply with testreport conventions
1303    o Updating adjoint of Held-Suarez hs94.1x64x5
1304    o Fixing directives for non-ECCO forward_step, after ECCO directives
1305      have been fixed to avoid recomp. of do_oceanic_phys
1306      Works well for global_ocean.90x40x15,
1307      but recomp. issue remains for carbon
1308    o Updating adjoint output for natl_box_adjoint after
1309      pkg/ecco has been modified (see taga c55d_post)
1310    
1311    checkpoint55f_post
1312    o rename to timeave_init_fixed
1313    
1314    checkpoint55e_post
1315    o some delicate re-shuffle of store directives to avoid one
1316      extra call of do_oceanic_physics
1317      affects ecco_the_main_loop.F, do_oceanic_physics.F
1318      checkpoint_lev1_directives.h
1319    o NB: this may break global_ocean adjoint temporarily,
1320      but it is clear how to fix it. Will do later, need this now.
1321    
1322    checkpoint55d_post
1323    o ECCO specific cost function terms (up-to-date with 1x1 runs)
1324    o ecco_cost_weights is modified to 1x1 runs
1325    o modifs to allow observations to be read in as
1326      single file or yearly files
1327    o enable to read exf forcing fields as either
1328      single file or yearly files (flag useExfYearlyFields)
1329    checkpoint55d_pre
1330    
1331    o switch between 2-level and 3-level checkpointing
1332    o add ability of MNC to write local and "partial" (eg. 2D slices where
1333      the full 3D field is never actually stored) arrays to NetCDF files
1334      with the correct (that is, the complete multi-dimensional) set of
1335      array indicies
1336      - used in mom_vecinv() to write the diagFreq output
1337      - tested (demonstrated) in verification/aim.5l_cs
1338    o further mnc-ification
1339      - add verification/lab_sea to the list with mnc setups
1340      - fix undefined mnc v-names in cd_code
1341      - add kpp to mnc output (both snapshot and timeave)
1342    o non-hydrostatic code
1343      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
1344        in calc_gw.F
1345      - defaults to viscAh
1346      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
1347        friction or Leith) in non-hydrostatic mode, as long as there is
1348        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
1349    o pkg/cost
1350      extend simple cost functions to treat time mean quantities
1351      (T,U,V) via cost_accumulate_state from cost_tile
1352    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
1353        be 2 times larger than the minimum size the advection scheme requires.
1354        now get a perfect conservation of salt in advect_cs test-exp (updated)
1355    o GGL90 (Gaspar's TKE mixed layer)
1356      - add horizontal diffusion of TKE, requires exchanges in
1357        do_fields_blocking_exchanges, horizontal diffusivity is zero by
1358        default. In OPA there is no horizontal diffusion of TKE but the
1359        mixing coefficients are computed from a horizontal average of TKE of
1360        6 points or so. I think that diffusion has a little more physical
1361        justification.
1362      - clean up ggl90_calc in the hope of reducing memory usage (this hope
1363        was in vain)
1364      - mask tke-variable in ggl90_init
1365    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
1366    o fix biharmonic diffusion on CS-grid.
1367    o more obcs stuff
1368      - added obcs_external_fields_load as an alternative to the EXF-pkg option
1369        for reading boundary values. This routine is called from
1370        obcs_prescribe_read
1371      - updated obcs_check
1372      - changed sponge layer relaxation parameter units for days to seconds
1373      - turned off sponge layer by default
1374      - changed argument list of OBCS_CALC to myTime+deltaTclock
1375      - fixed about 35 bugs in obcs_external_fields_load
1376    
1377    checkpoint55c_post
1378    o obcs stuff
1379      - new runtime flags useOBCSprescribe, useOBCSbalance
1380      - re-arranged obcs_calc
1381      - moved exf_getobcs to obcs_prescibe_read
1382        obcs_prescibe_read is called after ORLANSKI stuff
1383        and independent of it (executable can contain all).
1384      - updated obcs_check
1385      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
1386        These may be necessary only if tangential velocities are
1387        prescribed at OB, not sure, needs testing.
1388    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
1389      which simplifies the calls and passes the ifc check-bounds test
1390    
1391    checkpoint55b_post
1392    o add a 2D scalar, Z location, exchange_2 routine.
1393    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
1394      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
1395      affects advect_cs results (for the wrong reason): update output.txt
1396    o use a more standard discretization for biharmonic viscosity ;
1397     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
1398      affects results of dome set-up: update output.txt
1399    o fix gad_advection.F (CubedSphere part), back to version 1.23
1400    o fix bug in mom_vi_del2uv.F (CubedSphere part).
1401    
1402    checkpoint55a_post
1403    o merged code to
1404      * prescribe/read time-dependent open boundaries
1405        (works in conjunction with exf, cal)
1406      * sponge layer code for open boundaries
1407      * each boundary N/S/E/W now has its own CPP option
1408        (healthy for the adjoint)
1409    
1410    checkpoint55
1411    o up-to-date adjoint of previous breaks
1412      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
1413      - global_ocean_ebm: adjoint still needs fix (TLM ok)
1414      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
1415      - carbon: * remove tr1-related adjoint verification
1416                * add ptracer as control variable
1417    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
1418      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
1419    
1420    checkpoint54f_post
1421    o in verification/carbin/ remove experiment related to
1422      ALLOW_PASSIVE_TRACER (array tr1 etc)
1423      code_ad/ input_ad/ results_ad
1424    
1425    o add two new packages
1426      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1427        + subject to optimization (memory)
1428      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1429        + subject to reordering (many GOTOs in the original code)
1430        + so far opps is called for every (i,j) point, and then operates in
1431          the vertical; one may want to reorder the scheme in order operate in
1432          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1433          fields)
1434    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1435      - all verification tests compile and run with linux_ia32_g77
1436      - defaults are compatible with current input files--nothing
1437        should change if you were not previously using MNC
1438      - MNC output has been added in numerous places (eg. timeave)
1439        but there are still a few writes not yet do-able with MNC
1440        (this is in progress)
1441      - flags now allow for either/or/both use of MDSIO and MNC and
1442        documentation will soon follow
1443      - numerous small formatting cleanups for ProTeX
1444    o add version info (via BUILD_INFO.h) to MNC and stdout
1445    
1446    checkpoint54e_post
1447    o add two new packages
1448      - pp81 (Packanowski and Philander, 1981), Richardson number and
1449        stratification dependent mixing
1450      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1451      - these scheme operate in a similar manner as KPP (without ghat, of
1452        course), however there is only one diffusivity that is used for both
1453        temperature and salinity (and passive tracers)ç
1454    o add offline package
1455    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1456      provided by Stephanie Dutkiewicz
1457    o genmake2: add ability to search for C compilers and cleanup test output
1458      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1459    
1460    checkpoint54d_post
1461    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1462    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1463      leading to additional shift by 5 days each year of integration
1464       (i.e. leading to considerable offset over the years)
1465    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1466    o start with no AB and no initial filtering (staggerTimeStep):
1467      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1468    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1469      (external loading & cpl import/export stay in forward_step.F)
1470    o update coupling interface to work with new staggerTimeStep
1471    o change MDSIO ptracers_pickup.
1472    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1473    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1474    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1475    
1476    checkpoint54c_post
1477    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1478      this affects (truncation error) output.txt of test-exp:
1479       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1480    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1481    o change Qnet to always be the net heat flux, (+upward).
1482      affects (truncation error) output of natl_box exp.: updated
1483    o define the max number of passive tracers in PTRACERS_SIZE.h
1484    o start to test mnc routinely in exp0
1485    o add sea-ice loading (sIceLoad) as a new forcing field.
1486    
1487    checkpoint54b_post
1488    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1489       impressive on Altix and Opteron systems)
1490    o diagnostics can now write NetCDF files through the mnc package
1491    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1492    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1493    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1494      affects (truncation error) output of lab_sea & natl_box exp.: updated
1495    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1496    
1497    checkpoint54a_post
1498    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1499    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1500    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1501    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1502      + internal_wave (shift in writing cg2d_ini_res)
1503    checkpoint54a_pre
1504    
1505    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1506      - modified verification/lab_sea and natl_box_adjoint accordingly
1507    
1508    checkpoint54
1509    checkpoint53g_post
1510    o prepare splitting of thermodynamics: store convect.counter in common block
1511    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1512      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1513    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1514    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1515    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1516    o restore adjointability
1517    
1518    checkpoint53f_post
1519    o modifications that affect AIM experiment results (update output.txt):
1520      - no advection of S at top interface Nr (pkg/generic_advdiff)
1521      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1522    o AIM pkg:
1523      - include stability function into surf.Flux derivative relative to Tsurf
1524      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1525    
1526    checkpoint53e_post
1527    o merged cylindrical coord configuration
1528    o added rotating_tank experiment
1529    checkpoint53e_pre
1530    
1531    checkpoint53d_post
1532    o faulks upgraded: re-generate output.txt that have changed:
1533       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1534    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1535    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1536    o added Sadourny discretization of Coriolis
1537      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1538      - re-enabled use of omega3 (useAbsVorticity)
1539    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1540      vector-invariant equations
1541      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1542    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1543      hopefully without new bugs
1544      - still to do: biharmonic friction for non-hydrostatic w
1545    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1546    o regenerated output for global_ocean_ebm (using -ieee)
1547    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1548      of mom_common/
1549      - simple re-arrangement of instructions within computing loop
1550    checkpoint53d_pre
1551    
1552    checkpoint53c_post
1553    o new version of coupler for AIM+thSIce and Ocean models
1554     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1555     - land: change Evaporation of snow
1556     - aim with thSIce: fix bug in snow-precip.
1557    o changes to calc_gw.F
1558     - bug fix for w^2 term near the bottom boundary
1559     - (hopefully) improve the lateral slip boundary condtions for use with
1560        partial/looped cells
1561      - because the bug fix changes two verification experiments anyway (exp5
1562        and plume on slope), change the lateral boundary condition from half slip
1563        to the value of no_slip_sides
1564    o ebm package wasnt quite up to the parallel task. Fixed that.
1565    o Adjoint of EBM package + verification
1566      * TLM OK
1567      * ADM not sufficient accuracy yet (needs further testing)
1568    
1569    checkpoint53b_post
1570    o Commiting new energy balance model to repository
1571      * package is pkg/ebm
1572      * verif. is verification/global_ocean_ebm
1573      * references are in ebm_driver.F
1574    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1575    C        Global thermohaline circulation. Part I:
1576    C        Sensitivity to atmospheric moisture transport.
1577    C        J. Climate 12(1), 71-82
1578    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1579    C        Global thermohaline circulation. Part II:
1580    C        Sensitivity with interactive transport.
1581    C        J. Climate 12(1), 83-91
1582    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1583    C        Destabilization of the thermohaline circulation
1584    C        by atmospheric eddy transports.
1585    C        J. Climate 7(12), 1870-1882
1586    o Will need long integration testing.
1587    checkpoint53b_pre
1588    
1589    o created pkg/mom_common in preparation for variable viscosity code
1590    o renamed and split ini_mnc_io
1591    o pkg/land: only liquid water can diffuse or run-off
1592    o AIM using land: soil wetness availability account for snow
1593    o added printMapIncludesZeros to EEPARMS namelist
1594    
1595    checkpoint53a_post
1596    o restore TAMC compatiility for exf_constants.h
1597      (no usage of _d in .h)
1598    o Additional storing in KPP in an attempt to fix
1599      TAMC problem with adjoint of KPP code.
1600      (no success...)
1601      Identical code works fine with TAF.
1602    o Fixed verification/natl_box_adjoint experiments.
1603      Initial conditions for Experiments 4 and 5 are now
1604      set to "SEAICE_initialHEFF=0", which is more reasonable,
1605      and hence gives results closer to that of Experiment 2.
1606      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1607    
1608    checkpoint53
1609    o stable checkpoint with up to date adjoint
1610      TLM tests only run for 1st grdchk at the moment. Its unclear if
1611      this is a code problem or a problem with resetting code for g_
1612      variables that is being autogenerated wrong.
1613      Otherwise:
1614       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1615       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1616         are both still in chaos following their security messes.
1617    
1618    checkpoint52n_post
1619    o various build (mostly genmake2) changes including:
1620      - ability to build/run more easily within Cygwin and MacOS X
1621      - more complicated Makefiles with a stronger dependence on Gnu Make
1622    o pkg/seaice modifications
1623      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1624        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1625        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1626      - changed proxy for geostrophic velocity and updated
1627        verification/lab_sea/results/* accordingly
1628      - removed ADI dynamic solver from pkg/seaice
1629      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1630        they caused a segmentation fault under certain circumstances
1631      - removed unused field WATR
1632    o bug fix in exf-package:
1633      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1634         now reflect that.
1635    o small fixes in the cal-package:
1636      - set reference date to first of January for the 'model'-calendar
1637      - failing of cal_CheckDate in cal_FullDate now actually results in a
1638        warning
1639    o small modifications in exf-package to increase flexibility:
1640      - change climtempfreeze from a constant to a runtime parameter that
1641        is specified in data.exf_clim (default = -1.9)
1642      - introduce runtime parameter windstressmax (default = 2.0) that is
1643        specified in data.exf
1644    o fix in pkg/thsice:
1645      - update Evap (Tsf changes) to be consistent with Latent heat flux
1646      - maintain snow precipitation unchanged (even if Tsf >=0).
1647     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1648    
1649    checkpoint52m_post
1650    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1651      this does not change any of the results, because myIter=0 in swfrac always
1652      lead to jwtype=2 (the default anyway), but the call makes little sense
1653      as a default
1654    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1655    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1656      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1657    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1658    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1659    o extending useSingleCpuIO option to work with new exch2 I/O format
1660      - old-style, missing-tile I/O is still accessible by defining CPP
1661        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1662    o monitor package can write to NetCDF files and/or STDOUT
1663    o fix re-definition bug in MNC_GRID_INIT_ALL()
1664    o doc/api_reference added
1665      - a framework for building an API Reference Manual using all
1666        the "protex" comments embedded in the code
1667      - see pkg/generic_advdiff, pkg/mnc for examples
1668    o MNC:
1669      - make myThid the last argument for all subroutines
1670      - new default for the grid files: NO halos
1671      - add useMNC and other run-time flags
1672      - separate per-file-group handling of the unlimited dimension
1673      - early initialization of MNC w/ flags read at the eeboot stage
1674        and lookup tables set in initialize_fixed
1675      - write all MNC output to a freshly-created directory
1676    o thermodynamics sea-ice (thsice) is now tested with testreport.
1677    o test exp. advect_cs: use the standard cs32 grid ; update output.
1678    o Added functionality to grdchk:
1679      pick global i,j,k position (or nearest wet) where to perform check.
1680    
1681    checkpoint52l_post
1682    o new land formulation:
1683      a) use ground enthalpy as prognostic variable to ensure exact
1684         energy conservation.
1685      b) account for water temperature and for latent heat of freezing
1686         in all processes (rain, run-off, ground storage)
1687      c) compute surface and ground temperature implicitly.
1688    o aim_v23 modification for new land model:
1689      a) Treat separately land / ocean / sea-ice surface fluxes
1690         to allow implicit computation of land & sea-ice surface temp.
1691      b) add snow precipitation.
1692    checkpoint52l_pre
1693    
1694    o fix problem (when 1 tile is empty) in min/max monitor.
1695    o fix bug in timeAve (u,vZetatave in common block)
1696    o no restoring terms under ice for pkg/seaice
1697    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1698    o bug fix for pkg/seaice pickups
1699    o change MNC call locations and add coordinate attributes
1700    o mask vorticity at the corner ; affects global_ocean.cs output
1701    o fix ini_curvilinear_grid ; test CS experiments with mpi
1702    o aim.5l_cs: modify sea-ice fraction input file ; update output
1703    o exf: Adding simple range check routine for exf fields after read
1704    
1705    checkpoint52k_post
1706    o removed top-level directory "diags"
1707      - we migrated these functions to pkg/timeave a long time ago
1708    o fixed bug introduced in pkg/monitor
1709    o accuracy ctrlprec = 32 insuffient for gradient checks using
1710      averaged fields (I/O via cost_averages)
1711      -> use ctrl.h in active_file*.F to control I/O precision.
1712    o paramter list of CALL ADTHE_MAIN_LOOP
1713    o added initial do_the_model_io to ecco
1714    o set all ...Freq to zero after cost_final
1715      taveFreq, dumpFreq, pChkptFreq
1716    o MAIN and ECCO differentiability restored
1717    
1718    checkpoint52j_post
1719    o fix nchklev in tamc.h for global_ocean...
1720    o Bringing flow and store directives up-to-date
1721    o Really weird thing!
1722      call do_the_model_io from the_main_loop with parameters
1723      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1724      TAF places a faulty re-call of initialise_varia
1725      after cost_final call which should not be there!
1726    checkpoint52j_pre
1727    
1728    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1729      error messages
1730    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1731    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1732      debug output
1733    o modfied mdsio_writefield.F to handle non-global files under exch2
1734    o update AIM Cubed-Sphere exp (aim.5l_cs):
1735      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1736    o update AIM Equatorial Channel exp:
1737      use standard aim_v23 pkg and change the SST fields to be more realistic.
1738    o globalFile now works with exch2
1739    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1740      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1741    o limit timeave output for hi-res integrations
1742    
1743    checkpoint52i_post
1744    o removed CPP_EEOPTIONS.h from verification/*/code
1745    o updated the tiling for global_ocean_pressure
1746    checkpoint52i_pre
1747    
1748    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1749      the old pkg/aim).
1750    
1751    checkpoint52h_pre
1752    o shortened offending lines in exch2_send_rx?.template
1753    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1754    o genmake2: add build & execute test for NetCDF code
1755    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1756      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1757    o added useSingleCPUIO flag to monitor.F and mon_out.F
1758    o added temporary hack for sea-ice dynamics on the cube:
1759      metric terms are ignored and it is assumed that
1760      there is no sea-ice on cube faces 1, 2, 4, and 5.
1761    
1762    checkpoint52f_post
1763    o added exch2 cube routines to pkg/exch2
1764    o modified hs94.cs-32x32x5 to use it
1765    o added new grid files to hs94.cs-32x32x5
1766    checkpoint52f_pre
1767    
1768    checkpoint52e_post
1769    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1770      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1771    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1772      to work with implicit vertical advection and AB ;
1773    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1774    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1775     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1776    checkpoint52e_pre
1777    
1778    o fix bug in impldiff when Nr=1 or Nr=2.
1779    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1780    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1781    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1782      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1783    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1784    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1785    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1786    
1787    checkpoint52d_post
1788    o re-tiled many expts to allow comparison in multi-processor mode
1789      - updated output accordingly
1790      - changed hs94.128x64x5 to use intial T from file rather than use the
1791        random number generator
1792    o add infrastructure in model routines for fizhi and gridalt packages
1793    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1794    o changes to permit hi-res, cubed-sphere, configuration
1795      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1796      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1797      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1798        of surface winds for the cube
1799      (A verification experiment, based on global_ocean.cs32x15, but with
1800       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1801       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1802       complete with example surface forcing files and matlab scripts to look
1803       at the output and compare it with that of global_ocean.cs32x15.)
1804    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1805       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1806       to conform to the common rule.
1807    o check-in the first version of the coupler + interfaces for multi-components
1808       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1809       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1810       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1811       - ocean and atmos. share the same horizontal grid (no interpolation).
1812       - exchanges between component and coupler is done in forward_step
1813    o new verification experiment, cpl_aim+ocn:
1814       coupled ocean - AIM atmosphere on cs32 grid.
1815    
1816    checkpoint52d_pre
1817    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1818    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1819    
1820    checkpoint52c_post
1821    o Fixing OPTIONS files for use of exf:
1822      - ALLOW_ECCO not needed
1823      - ECCO_CPPOPTIONS.h should not be included from
1824        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1825        as has been the case in the past
1826      - All cal/exf related options are currently set in
1827        single header file. Should remain so until we
1828        agree on a consistent new policy.
1829    o Removed all CPP options for cal package.
1830      cal has no more CPP options.
1831    o modified STOREs in GAD_ADVECTION
1832    o corrected key comp. for passkey
1833    
1834    checkpoint52b_post
1835    o new version: "thsice" of thermodynamic sea-ice pkg:
1836     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1837     - modify fluxes but do not change theta directly;
1838     - light cleaning of bulk_force pkg (still needed with thsice).
1839     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1840       + output_thsice.txt to test thsice & bulk_force pkgs.
1841    o put back grid & coriolis monitor output.
1842    checkpoint52b_pre
1843    
1844    o call "do_the_model_io" at the beginning (=> dump initial state)
1845    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1846    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1847      (need info on NUMBER_OF_PTRACERS)
1848    o missing PTRACERS headers in some routines
1849    o default tamc.h in pkg/autodiff supposed to crash
1850      to ensure proper customization
1851    
1852    checkpoint52a_post
1853    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1854      - moved surfaceTendencyTice from pkg/seaice to main code
1855      - subroutine FREEZE_SURFACE now limits only surface temperature
1856        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1857        => new output.txt for global_ocean.cs32x15 & global_with_exf
1858      - keep the old version of FREEZE for backward compatibility;
1859        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1860      - corresponding modifs for TAF directives
1861    o added surface flux output variables to TIMEAVE_STATVARS
1862    o time-averaged output for pkg/ptracers
1863    o fix problem with ECCO-related divided adjoint
1864      snapshot file was missing some ad-variables,
1865      but no warning issued by TAF
1866    
1867    checkpoint52a_pre
1868    o some bug fixes for #undef REAL4_IS_SLOW
1869    
1870    checkpoint52 = ecco_c52_e35
1871    o after testing adjoints of checkpoint51u_post
1872    
1873    checkpoint51u_post
1874    o this is the post-merge tag of the ecco-branch
1875      (needs another clean checkout and re-testing)
1876    o various natl_box_adjoint configs and results
1877      but no input fields
1878    o obcs adjoint not yet merged!
1879    o adding ECCO global 1x1 and 2x2 degree configs
1880    o updated/extended some store directives for seaice
1881    o pkg/ecco now containes ecco-specific part of cost function
1882    o top level routines the_main_loop, forward_step
1883      supersede those in model/src/
1884      previous input data.cost now in data.ecco
1885      (new namelist ecco_cost_nml)
1886    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1887    
1888    checkpoint51t_post
1889    o this is the pre-merge tag of the ecco-branch
1890    
1891    checkpoint51s_post
1892    o cleanup: removed various obsolete #define-s
1893    o pkg/grdchk
1894      - renamed 'ph-grd 3' to 'grad-res'
1895      - merged from ecco-branch
1896        (remaining bug fixes for obcs gradient checks)
1897      - additional high-precision output for testreport
1898        (grep for 'precision_grdchk_result')
1899    
1900    checkpoint51r_post
1901    o cleaned up or removed CPP_OPTIONS.h files
1902    o updated results for some of the tests to reflect the new
1903      optfiles (-ieee: -O0 instead of -O3)
1904    
1905    checkpoint51q_post
1906    o cd_code:
1907      - moved cd_scheme.F -> cd_code_scheme.F
1908      - separate read_checkpoint from cd_code_ini_vars.F
1909      - separated cd_code part from write_checkpoint
1910      - updated AD_SOURCE, generated .flow
1911      - added CD_CODE_VARS.h to the_main_loop
1912      - Moving cd_code specific store dir.s to pkg/cd_code
1913    o ctrl package totally restructured
1914      - pack/unpack now optional and decoupled from
1915        xx_/adxx_ I/O
1916      - ctrl_pack/unpack cleaned
1917        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1918      - confined inclusion of AD_CONFIG.h to where necessary.
1919    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1920    
1921    checkpoint51p_post
1922    o create initial cd_code package
1923      - WARNING: the initialization of fields within packages
1924        is broken because INI_FIELDS (where READ_CHECKPOINT is
1925        called) is called *before* PACKAGES_INIT_VARIABLES.
1926        This seems to be backwards since
1927        1) its important to initially zero the entire field including
1928           the "halo" region
1929        2) zeroing needs to be done *before* reading pickup info
1930           and the pickup call might or might not happen in any
1931           particular run
1932      - this needs an overhaul for R2
1933    o cleanup verification/*/code/GMREDI_OPTIONS.h
1934    o cleanup testreport
1935    
1936    checkpoint51o_post
1937    o bringing AD-related verif's up to date with genmake2
1938      - carbon/
1939      - global_ocean.90x40x15/
1940      - hs.94.1x64x5/
1941      - (front_relax/ )
1942    o (more) consistent directory structure for AD-related verif.'s
1943    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1944    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1945    o bug fix in find_alpha.F for MDJWF:
1946      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1947        change rho -> rho-rhoConst
1948      - replace call find_rho to find_rhonum
1949    o initialisation of rFlx extended to full array (required by TAF)
1950      and shifted to thermodynamics
1951    o removed PTRACERS.h in ptracers routine
1952    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1953    o Correcting initialisations for fVerU, fVerV.
1954    o helping TAF to recognize dependency on kUp for
1955      fVerU, fVerV
1956    o Replacing delZ by delR in pkg/ctrl/
1957    checkpoint51o_pre
1958    
1959    o undid all of cp51 pending some cleanups and discussion
1960    o added the [#include "AD_CONFIG.h"] statement to all files that need
1961       it for adjoint/tl #defines
1962     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1963     o removed tools/genmake since it no longer works
1964    
1965    checkpoint51n_post
1966    o modifications to make FREEZE flux visible to pkg/kpp
1967      - moved surfaceTendencyTice from pkg/seaice to main code
1968      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1969      - subroutine FREEZE now limits only surface temperature
1970        (this means new output.txt for global_ocean.90x40x15,
1971         global_ocean.cs32x15, and global_with_exf)
1972    o added surface flux output variables to TIMEAVE_STATVARS
1973    
1974    checkpoint51n_pre
1975    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1976    o added [#include "AD_CONFIG.h"] to all files that use the following
1977      defines:
1978      - ALLOW_ADJOINT_RUN
1979      - ALLOW_TANGENTLINEAR_RUN
1980      - ALLOW_ECCO_OPTIMIZATION
1981    
1982    checkpoint51m_post
1983    o incorporating changes to get TAMC/TAF working in genmake2
1984      - added new TAMC/TAF targets to the Makefile
1985      - various cleanups related to package handling
1986      - these changes should have no impact on the forward model
1987    
1988    checkpoint51l_post
1989    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1990     - faster algorithm for cal_addtime.F
1991     - higher precision arithmetic, where needed
1992     - pkg/exf *startdate variables changed from calendar date to
1993       model integration time
1994    
1995    checkpoint51l_pre
1996    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1997    o enable to apply restoring on S & T only in a latitude band.
1998    o update output (external_forcing_surf modif. change truncation errors)
1999       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
2000    
2001    checkpoint51k_post
2002    o change default to: useNHMTerms=.FALSE.
2003     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
2004       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
2005     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
2006        exp1, ideal_2D_oce
2007     - change data file of oceanic exp (leave the results unchanged for now)
2008       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
2009    o set gravitySign automatically according to the vertical coordinate used
2010      (and change sign: back to "logical" value: +1 when R increases downward)
2011    o added an include barrier to the default CPP_OPTIONS.h and
2012      removed the #include "PACKAGES_CONFIG.h" from it
2013    o fix a bug in mom_fluxform (from chk51j_post)
2014    
2015    checkpoint51j_post
2016    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
2017    o adjusted some flow directives (dynamics, thermodynamics)
2018    o added cubed-sphere case to test cost function
2019    o heckpoint_lev?_directives.h now include
2020      pkg-specific directives, whenever those are enabled.
2021    o Moving pkg-specific flow directives to corresponding pkg
2022      Moving pkg-specific differentiation list to corresponding pkg
2023      Moving pkg-specific checkpoint-lev storing to corresponding pkg
2024      ---> conventions are
2025           - pkg_ad.flow
2026           - pkg_ad_diff.list
2027           - pkg_ad_check_lev?_dir.h
2028    
2029    checkpoint51i_post
2030    o merge of the branch-genmake2
2031      - knowingly breaks the older genmake
2032      - automatic generation of all ALLOW_${PKG_NAME} defines
2033      - new testreport supersedes older testscript
2034    o large number of package inclusion and header cleanups
2035    checkpoint51i_pre
2036    
2037    o new output for adjoin of global ocean vector invariant
2038    o fix for checkpoint of thermodynamic seaice and bulk_force
2039    o Steph gchem various cleanups
2040    
2041    checkpoint 51h_pre
2042    o fixed some single quotes
2043    o modify gchem pkg to be more versatile
2044    o modifications to clean up dic pkg
2045    o add pkg/cfc
2046    
2047    checkpoint51g_post
2048    o provide links for ARPACK and ADM*TLM
2049    o start removing verification/vero/
2050    o update AD-related stuff
2051      (in particular some IF-statements in model/src/ routines)
2052    o adding to verification/global_ocean.90x40x15/ adjoint of
2053      vector invariant setup
2054    
2055    checkpoint51f_post
2056    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
2057    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
2058      of tracer Green's fucntions for ocean inversion project.
2059    
2060    checkpoint51f_pre
2061    o Added on-the-fly spatial interpolation capability
2062        "USE_EXF_INTERPOLATION" to pkg/exf.
2063      - This is a temporary Cartesian-grid hack until
2064        the super-duper ESMF coupler becomes available.
2065      - See verification/global_with_exf/README for usage example.
2066      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
2067        flags and modified pkg/seaice accordingly.
2068    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
2069        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
2070        non-local transport term.
2071    
2072    checkpoint51e_post
2073    o pkg/mom_vecinv:
2074      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
2075      - add time-ave diagnostic of vorticity advection.
2076    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
2077    o atmospheric geopotential: - include water vapor effect;
2078                                - use p^kappa in p* scaling.
2079    o land pkg: read initial state from files.
2080    o AIM : add stratospheric drag in the upper level
2081    
2082    checkpoint51d_post
2083    o change function ILNBLNK (=> last non-blank char.) to return zero
2084      (instead of the string length) when the string. char is empty
2085    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
2086    o modif's to restore TAMC compatibility
2087      - avoid "_d" constructs in PARAMETER declarations
2088      - avoid interrupting lines by comment lines
2089    o Use cluster local disks for purely local I/O
2090      vs. globally visible disks needed for ctrl stuff
2091      (merged from ecco-branch)
2092      - new active_file_loc... and mdsio_..._loc routines
2093      - affected packages: autodiff, ctrl, grdchk, mdsio
2094    
2095    checkpoint51c_post
2096    o introducing integer flag debugLevel
2097      - debLevZero: suppress all output
2098      - debLevA: standard
2099      - debLevB: equivalent to current debugMode=.TRUE.
2100    o introducing pathname variable mdsioLocalDir for mdsio
2101      that can be specified at runtime
2102      (relevant for cluster I/O to local disk)
2103    `
2104    >>>checkpoint51b_post
2105    adjoint of ptracers
2106    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
2107    o extended state in checkpoint_lev?, etc.
2108    o alternative ctrl/cost with tr1 or ptracer
2109    o new comlev1_bibj_ptracers
2110    o new ptracers.flow
2111    o made ptracers_forcing same as external_forcing_s
2112    o added verification for adjoint with ptracers
2113      - adm. grdchk fail so far
2114      - tlm. grdchk OK
2115      - checked tapelev/comlev recomputations: OK
2116    <<<checkpoint51b_pre
2117    
2118    checkpoint51a_post
2119    o added code for biogeochemistry package
2120      - new pkgs: dic, gchem
2121      - new subroutine in ptracers
2122    o modify code for biogeo packages
2123      - in model/src and pkg/ptracers
2124    
2125    checkpoint51
2126    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
2127      - autodiff, ctrl, exf, grdchk, seaice
2128      kept separate packages
2129      - cost, ecco, obcs
2130    o updating verification/internal_wave, verification/lab_sea
2131      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
2132    
2133    checkpoint50i_post
2134    o Preparing next differentiable checkpoint and sync
2135      of MAIN vs. ecco-branch
2136      - 1st step: this one is differentiable
2137      - 2nd step: next(! not this) checkpoint will have updated packages
2138                  from ecco-branch)
2139    
2140    checkpoint50h_post
2141    o new package "land": provide surface BC for AIM.
2142    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
2143    o AIM: use true log-P extrapolation for near surface temp (= as in
2144        F.Molteni paper) ; update aim.5l_cs output.
2145    o New variable in PARM03 for more flexible pickups
2146    o somewhat cleaned package initialisation sequence for
2147      ctrl/ cost/ ecco/ in packages_... routines
2148    
2149    checkpoint50g_post
2150    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
2151      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
2152      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
2153        made the default because of faster convergence than ADI
2154    
2155    checkpoint50f_post
2156    o exf totally restructured
2157      - replaced all exf_set_ routines by one generic exf_set_gen.F
2158        and made sure it's still differentiable
2159      - split exf_getffields.F into new exf_bulkformulae.F
2160      - exf_inscal_/exf_outscal_ suffixes consistent with field names
2161      - updated adjoint/makefile and relevant verif. accordingly
2162    
2163    checkpoint50f_pre
2164     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
2165          + change Evap over land. (update aim.5l_cs output)
2166     o added missing .cvsignores and made uniform across expts
2167     o changed configuration of tidal_basin_2d expt
2168     o added pkg/debug functions for tracing code in fatal crashes
2169     o tidied pkg/monitor to use MONITOR_OPTIONS.h
2170     o new fn in pkg/monitor to stop model if solution grows too big
2171     o removed lots of single quotes from comments
2172    
2173    checkpoint50e_post
2174    o make KPP work with PTRACERS
2175     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
2176       nearly a copy of kpp_transport_s
2177     - there is no analogue to SurfaceTendencyS, so I have to use
2178       gPtr(of the surface layer) instead
2179    o add a new platform SunFire+mpi (SunFire 15000) to genmake
2180    checkpoint50e_pre
2181    
2182    checkpoint50d_post
2183    o change kpp output from multiple-record state files to single-record state
2184      files analogous to write_state.F
2185    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
2186      analogous to the cg2d-related output.
2187    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
2188      so that writing to internal file fn (with length 512) fails.
2189    checkpoint50d_pre
2190    
2191    checkpoint50c_post
2192    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
2193    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
2194    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
2195    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
2196    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
2197    
2198    checkpoint50c_pre
2199    Merging from release1_p13:
2200    o bug fix for pkg/seaice dynamic solver
2201    o Added SEAICE_initialHEFF to pkg/seaice
2202    
2203    checkpoint50b_post
2204    o store u*,v* in gU,V instead of in guNm1,gvNm1
2205    o in order to put the momForcing out of the Adams-Bashforth:
2206      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
2207      to timestep.F
2208    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
2209    o re-generate output for highly sensitive test-exp:
2210       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
2211    
2212    checkpoint50b_pre
2213    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
2214    o corrected CPP option mismatch in exf_Bulk... functions for case
2215      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
2216    
2217    checkpoint50a_post
2218    o Bug fix for merging between c50 and KPP.
2219      ikey was passed from thermodynamics to kpp_calc via
2220      common block rather than being recomputed in kpp_calc,
2221      in contradiction with new key itdkey.
2222      New key ikppkey created, and tamc.h headers updated.
2223    
2224    checkpoint50
2225    - 2nd step of merge with ecco-branch:
2226      merge changes in ecco-branch back into main trunk
2227    - bug fix in find_alpha
2228    - more storing in gmredi_calc_tensor.F, kpp_routines.F
2229    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
2230    - merged some sliced AD support routines
2231    
2232    checkpoint49
2233    merged from ecco-branch:
2234    o exf:
2235      - Enable initialisation of forcing fields to constant
2236        (runtime) values.
2237      - in exf_getffields.F
2238        Reduce i-/j-loop to interior domain, discarding overlaps.
2239        That also fixes wrong TAF-key computations for key_1, key_2
2240        with bulf formulae.
2241      - exf_init.F modify #ifdef for exf_init_evap
2242      - exf_getffieldrec.F, ctrl_getrec.F
2243        The following INT-usages are not safe:
2244          fldsecs  = int(fldsecs/fldperiod)*fldperiod
2245          fldcount = int(fldsecs/fldperiod) + 1
2246        and were modified.
2247    o autodiff: checkpoint_lev...
2248      - updated storing for bulk formulae (some arrays were missing)
2249      - added state for seaice package
2250      - synchronized with main branch
2251    o DIVA:
2252      Modif.s in
2253      - the_main_loop.F
2254      - the_model_main.F
2255      and added cost_final_restore.F cost_final_store.F
2256      o With these changes, it is possible to fully separate
2257        the first forward run to compute the cost function (mdthe_main_loop)
2258        and adjoint runs over individual DIVA intervals (adthe_main_loop)
2259        into separate model executions.
2260        This enables better tuning of DIVA to given queue sizes.
2261      o Loss of cost function value in consecutive DIVA runs is
2262        fixed by storing to 'costfinal' file.
2263      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
2264        beginning/end of adjoint integration is accounted for.
2265      The current changes apply to TAF-1.4.26.
2266      TAF has one remaining bug, requiring one manual change
2267      (see MITgcm manual).
2268    o cal: synchronized between MAIN and ecco-branch
2269    
2270    checkpoint48i_post
2271    o Changes to restore differentiability of code w.r.t. previous tag
2272      (mostly adding new routines to make list and replacing
2273      pressure by totPhiHyd).
2274    o Updated and merged grdchk package
2275      - has both ADM and TLM checks
2276      - works for single- and multi-proc.
2277      - output cleaned
2278      - worked successfully for parallel DIVA
2279    o genmake:
2280      - Adding -platform=SP4
2281      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
2282    o Modif. for DIVA:
2283      ctrl_unpack should not be called in intermediate DIVA interval.
2284      (similar thing would apply for active files such as
2285      tbar, sbar, psbar, which should not be reinitialised;
2286      only relevant for ecco-branch)
2287    
2288    checkpoint48h_post
2289    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
2290    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
2291    o Added SEAICE_initialHEFF to pkg/seaice
2292    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
2293    
2294    checkpoint48g_post
2295    --- EOS:
2296    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
2297      store total Potential in totPhyHyd for diagnostics & EOS.
2298    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
2299    --- Pressure/geopotential gradient:
2300    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
2301    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
2302      ( changes results of global_ocean_pressure )
2303    o NLFS + z-coord.: add eta*Rho' contribution.
2304    o accurate phiHyd when using interface-W at the middle between 2 centers
2305     ( changes results of ideal_2D_oce )
2306    o includes r* 2nd term in potential gradient.
2307    
2308    checkpoint48f_post
2309    Merging from release1_p12:
2310    o Modifications for using pkg/exf with pkg/seaice
2311      - improved description of the various forcing configurations
2312      - added basic radiation bulk formulae to pkg/exf
2313      - units/sign fix for evap computation in exf_getffields.F
2314      - updated verification/global_with_exf/results/output.txt
2315    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
2316      (SBO) core products, including oceanic mass, center-of-mass,
2317      angular, and bottom pressure (see pkg/sbo/README.sbo).
2318    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
2319      to avoid negative values in shallow regions.
2320      - updated verification/natl_box/results/output.txt
2321      - updated verification/lab_sea/results/output.txt
2322    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
2323    o Added useSingleCpuIO option (see PARAMS.h).
2324    o Updated useSingleCpuIO option in mdsio_writefield.F to
2325      work with multi-field files, e.g., for single-file pickup.
2326    o pkg/seaice:
2327      - bug fix in growth.F: QNET for no shortwave case
2328      - added HeffFile for specifying initial sea-ice thickness
2329      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
2330    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
2331      kpp_transport_t.F, forward_step.F, and the_main_loop.F
2332    o pkg/seaice:
2333      - adjoint-friendly modifications
2334      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
2335    
2336    checkpoint48e_post
2337    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
2338    o dynamics: change definition of computational domain & adapt mom_fluxform
2339      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
2340    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
2341        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
2342        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
2343        global_ocean.90x40x15 global_with_exf global_ocean_pressure
2344        inverted_barometer solid-body.cs-32x32x1
2345      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
2346    
2347    checkpoint48d_post
2348    o in preparation for r*:
2349     a) use pre-computed gradient of hydrostatic potential:
2350        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
2351     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
2352        => affects results of glob_oce_pressure (different truncation error)  
2353      update output.txt of ideal_2D_oce & global_ocean_pressure
2354    
2355    checkpoint48d_pre
2356    o in preparation for r*:
2357      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
2358      pass the 2 comp. of the grad. as arguments to momentum S/R.
2359      but for the moment, only used if it does not change the results.
2360    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
2361    
2362    checkpoint48c_post
2363    Modifications in treatment of initial flux forcing controls
2364    to avoid extra storing of flux fields.
2365    
2366    checkpoint48c_pre
2367    o Added tidal_basin_2d experiment (currently 1D!)
2368    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
2369    
2370    checkpoint48b_post
2371    o r* coordinate added in #ifdef NONLIN_FRSURF block.
2372     (modification to pressure gradient not yet implemented)
2373    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
2374      (for U & V) that are used for vertical advection of momentum.
2375    
2376    checkpoint48a_post
2377    o In preparation for r*, use temp. array to compute vertical transport
2378       in flux-form momentum pkg. => change results of few test-exp.
2379      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
2380                        lab_sea, natl_box & plume_on_slope
2381    
2382    checkpoint48
2383    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
2384    
2385    checkpoint47j_post
2386    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
2387    o moved adexch from forward_step to addummy_in_stepping
2388    o added exch in ctrl_map_...
2389    o aveFreq.=0. at end of cost_final to avoid overwrite in
2390      reverse checkpointing loop
2391    o Yet more changes in gmredi:
2392      * adgmredi_calc_tensor
2393        avoiding all recomputation of gmredi_slope_limit
2394      * adgmredi_x/y/rtransport
2395        added flag for excessive storing to avoid recomp. of
2396        u/v/rtans, dTdx/y/z
2397        -> this is not really necessary and very memory-consuming
2398      * adgmredi_slope_psi:
2399        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
2400      * gmredi_slope_limit
2401        re-activated full calculation of taperfct for case 'ac02'
2402    o updating verification/ adjoints of carbon, global_ocean.90x40x15
2403    
2404    checkpoint47i_post
2405    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
2406    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
2407      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
2408    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
2409    o gmredi: fix few bugs.
2410    
2411    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
2412    This will be a good checkpoint to plug into the ecco-branch.
2413    o few modif.'s to get latest version adjointed
2414      (mainly kick out code in ini_linear_phisurf)
2415    o modif's to run adjoint with exactConserv
2416    o case GM_BOLUS_ADVEC should be cleaned
2417      S/R gmredi_slope_psi should be cleaned
2418    o verification/carbon now has exactConserv=.TRUE.
2419    
2420    checkpoint47g_post
2421    o time-average AIM output: becomes independent from statvars time-average
2422      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
2423    o After TAF bug fix:
2424      Tested adjoint of gmredi package.
2425      Tests were done with checkpoint47 rather than with latest
2426      checkpoint47f_post since the latter is broken for the adjoint
2427      verification/carbon/ contains both ADM and TLM gradient checks.
2428    Here they are, before they get changed/lost/stolen.
2429    Mostly modif.'s to fix numerical sensitivities.
2430    Gradient checks OK for
2431    - GM_taper_scheme:
2432      * clipping
2433      * ac02
2434      * linear
2435      * glw91
2436      * dm95
2437      * ldd97
2438    - GMREDI_OPTIONS:
2439      * GM_VISBECK_VARIABLE_K
2440      * GM_NON_UNITY_DIAGONAL
2441      * GM_EXTRA_DIAGONAL
2442      * GM_BOLUS_ADVEC
2443    in conjunction with data.gmredi parameters to be checked in
2444    in a few minutes under verification/carbon/code/
2445    
2446    checkpoint47f_post
2447    Merging from release1_p10:
2448    o modifications for using pkg/exf with pkg/seaice
2449      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
2450        and SEAICE_EXTERNAL_FLUXES
2451      - pkg/exf CPP options EXF_READ_EVAP and
2452        EXF_NO_BULK_COMPUTATIONS
2453      - usage examples are Experiments 8 and 9 in
2454        verification/lab_sea/README
2455      - verification/lab_sea default experiment now uses
2456        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
2457    
2458    checkpoint47e_post
2459    o created a tag prior to creating a branch
2460    
2461    checkpoint47d_post
2462    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
2463      at the bottom boundary had an erroneous half slip boundary condition
2464    o added bottom drag and no slip boundary condition capabilities to
2465      oceanic pressure coordinates code
2466    o added new verification experiment global_ocean_pressure, this experiment is
2467      also described in the tutorial section of the manual
2468    checkpoint47d_pre
2469    
2470    checkpoint47c_post
2471    o Added a verification experiment for a global cubed-sphere ocean run
2472      -  verification/global_ocean.cubed32x32x30
2473      -  uses pkg/therm_seaice and pkg/bulk_forcing
2474    
2475    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
2476    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
2477      when using P-coordinate; only implemented for atmospheric config.
2478    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
2479      NOTES: requires option NONLIN_FRSURF to be "#define".
2480    o update advect_xz/results/output.txt (left from checkpoint44g_post)
2481    
2482    checkpoint47b_post
2483    Merging from release1_p9:
2484    o pkg/seaice
2485      - removed GOTO's and added taf directives
2486      - double precision constants to reduce the g77 (Linux)
2487        to F77 (SGI) differences reported in release1_p8
2488    o tools/genmake
2489      - added SGI options
2490    o verification/testscript
2491      - updated to that of checkpoint47a_post
2492    o verification/global_ocean.90x40x15/input/eedata
2493      - modified for SGI f77 compatibility
2494    o verification/lab_sea
2495      - added description of sea-ice model
2496      - added missing matlab routines
2497      - added test of thermodynamics parallelization
2498    
2499    checkpoint47a_post
2500    o new pkg: aim_v23
2501     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
2502       for now, keep the same surface forcing as before.
2503     - Part-Cell implemented into AIM; check that Heat & Water are conserved
2504     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
2505     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
2506    o add diagnostic of surface correction term in monitor output
2507    
2508    o bulk_force and therm_seaice
2509    - Two packages:  bulk_force (Bulk forcing)
2510      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
2511    - Earlier integration from Stephaine Dutkiewicz
2512      and Patrick Heimbach.
2513    - Two ifdef statements for compile time,
2514       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
2515    
2516    checkpoint47
2517    differentiable version of checkpoint46n_post
2518    o bug fix in quasihydrostaticterms
2519    o * "clean" adjoint code (in terms of extensive recomputations)
2520        can now be obtained for all GMREDI options (i.e. for
2521        - GM_VISBECK_VARIABLE_K
2522        - GM_NON_UNITY_DIAGONAL
2523        - GM_EXTRA_DIAGONAL
2524        - GM_BOLUS_ADVEC )
2525      * However, wrong gradient check problem remains unsolved.
2526      * New CPP options have been introduced for different
2527        tapering schemes
2528    o external_fields_load now part of differentiation list
2529    o pressure needs multiple storing;
2530      would be nice to have store_pressure at beginning or
2531      end of forward_step, e.g. by having phiHyd global (5-dim.)
2532      (NB: pressure is needed for certain cases in find_rho,
2533      which is also invoked through convective_adjustment).
2534    o recomputations in find_rho for cases
2535     'JMD95'/'UNESCO' or 'MDJWF' are OK.
2536    o #define ATMOSPHERIC_LOADING should be differentiable
2537    o ini_forcing shifted to begining of initialise_varia
2538    o Incorporating QNVS line search routines into MITgcm
2539      (this is separate code, and therefore not under pkg)
2540      lsopt/, optim/
2541    o Updated verification/carbon/
2542      - #define GM_VISBECK_VARIABLE_K
2543      - GM_taper_scheme    = 'ldd97'    
2544    
2545    checkpoint46n_post
2546    Merging from release1_p8:
2547    o verification/natl_box:
2548      updating new external_fields_load routine
2549    o New package: pkg/seaice
2550      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
2551      The sea-ice code is based on Hibler (1979-1980).
2552      Two sea-ice dynamic solvers, ADI and LSR, are included.
2553      In addition to computing prognostic sea-ice variables and diagnosing
2554      the forcing/external data fields that drive the ocean model,
2555      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
2556      The implied surface heat flux is then stored in variable
2557      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
2558      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
2559      non-local transport term.  Because this call precedes model
2560      thermodynamics, temperature under sea-ice may not be "exactly" at
2561      the freezing point by the time theta is dumped or time-averaged.
2562      N.B.: fairly large differences in accuracy occur across
2563            different platforms/compilers; comparison between
2564            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
2565            generated output gives:
2566       T           S           U           V
2567      C D M    c        m  s        m  s        m  s        m  s
2568      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
2569      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
2570      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
2571    
2572      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
2573    o GAD:
2574      - generated new common blocks to account for call of
2575        same gad routines with differing traceridentities
2576        (needed to modify tracerIdentity indices in GAD.h)
2577      - generated separate common blocks for case useCubedSphereExchange
2578        (Department of Futurology)
2579      - parameter lists to gmredi_?transport: added tracerIdentity
2580      - added new key indices to tamc.h
2581    o external_fields_load:
2582      - added this routine to TAF list
2583      - needed to make some common blocks global and additional storing
2584        along the same lines as exf package (checkpoint_lev?_directives.h)
2585    o exf:
2586      updated external forcing package
2587      - bug fixes carried over from ecco-branch
2588        (missing OBCS_OPTIONS.h in two routines)
2589      - enable easy to use "no forcing".
2590      - added exf I/O for atmospheric loading
2591      - added exf I/O for runoff data
2592      - transfered scaling between exf <-> MITgcm to exf namelist
2593    o Adding new verification experiment global_with_exf.
2594      This verification experiment is almost identical to the
2595      global_ocean.90x40x15 experiment, except that it uses
2596      the exf (and cal) package instead of the
2597      external_fields_load routine (cf README file).
2598    
2599    checkpoint46m_post
2600    o modified testscript to return -- when there are no lines of "%MON" output
2601    o added new flag "quasiHydrostatic" for QH mode
2602      and new routine quasihydrostaticterms()
2603    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
2604      New routine: mom_u_coriolis_nh()
2605    o fixed sign of non-hydrostatic metric terms in u and v equations.
2606      Depend on correct sign of gravitySign.
2607    o added work.pc* to .cvsignore in aim directories using ifc
2608    o introduced flag for controllin non-hydrostatic metric terms
2609    o removed gravitySign from PARM04
2610    o switched to g77/ifc from pgf77 in aim experiments
2611    
2612    checkpoint46l_post
2613    o made convective adjustment work with pressure coordinates:
2614     - changed the direction of k-loop in convective_adjustment.F for the
2615       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
2616     - adjusted the reference pressure k-index in convective_adjustment.F
2617     - adjusted the convection condition in convect.F (in analogy to
2618       calc_ivdc.F)
2619     - convective_adjustment no longer computes anything on the halos
2620     - removed the warnings about negative salinity from find_rho.F and
2621       find_alpha.F; instead the new routine look_for_neg_salinity, called
2622       at the beginning of find_rho, find_alpha, and find_beta, does a
2623       check of the entire slice, if CPP-option
2624       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
2625    checkpoint46l_pre
2626    
2627    checkpoint46k_post
2628    o fixed the verification/global_ocean.90x40x15 experiment:
2629     - new bathymetry (the world according to A., JMC, and M.)
2630     - new initial fields and forcing fields (*.bin files)
2631     - new POLY3.COEFFS (for the next release one should switch to a full
2632       equation of state: JMD95P or MDJWF)
2633     - fixed several errors and redundancies in the data file
2634     - experiment uses looped cells
2635     - added matlab directory with diagnostic scripts for plotting of output
2636    
2637    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
2638     - read AIM physics parameters from a file (data.aimphys)
2639     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
2640    
2641    checkpoint46j_post
2642    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
2643    o move wVel computation at the end of the time step, in S/R integr_continuity
2644    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
2645    o update timeave pkg for wVel diagnostic.
2646    checkpoint46j_pre
2647    
2648    checkpoint46i_post
2649    o Clean up AIM package (and keep the results unchanged):
2650      include CPP_OPTION and use IMPLICT NONE in all routines ;
2651      declare all the variables _RL ; use _d 0 for all numerical constants.
2652      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
2653    
2654    checkpoint46h_post
2655    o cleaned up the use of rhoNil and rhoConst.
2656      - rhoNil should only appear in the LINEAR equation of state, everywhere
2657        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
2658        and the dynamical equations are all divided by rhoConst
2659    o introduced new parameter rhoConstFresh, a reference density of fresh
2660      water, to remove the fresh water flux's dependence on rhoNil. The default
2661      value is 999.8 kg/m^3
2662    o cleanup up external_forcing.F and external_forcing_surf.F
2663      - can now be used by both OCEANIC and OCEANICP
2664    checkpoint46h_pre
2665    
2666     Added code to convert surface volume flux (fresh water) into
2667     a mass flux when using P coordinates in the ocean (OCEANICP).
2668     Note: It assumes you have set rho0=rhoConst=density of fresh water.
2669    
2670    checkpoint46g_post
2671    o Include a new diagnostic variable phiHydLow for the ocean model
2672      - in z-coordinates, it is the bottom pressure anomaly
2673      - in p-coordinates, it is the sea surface elevation
2674      - in both cases, these variable have global drift, reflecting the mass
2675        drift in z-coordinates and the volume drift in p-coordinates
2676      - included time averaging for phiHydLow, be aware of the drift!
2677    o depth-dependent computation of Bo_surf for pressure coordinates
2678      in the ocean (buoyancyRelation='OCEANICP')
2679      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
2680        Theta, Salinity, and Pressure in the parameter list. This routine is
2681        presently contained in find_rho.F. This routine does not give the
2682        correct density for 'POLY3', which would be a z-dependent reference
2683        density.
2684    o cleaned up find_rho
2685      - removed obsolete 'eqn' from the parameter list.
2686    o added two new verification experiments: gop and goz
2687      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
2688    checkpoint46g_pre
2689    
2690    checkpoint46f_post
2691    o Enable tangent linear (forward mode) gradient checks:
2692      - extended active file handling to g_... files
2693      - added TANGENT_SIMULATION to theSimulationMode
2694      - extended grdchk package accordingly
2695    o added tangent linear setup in verification/carbon/code_ftl
2696    o added adjoint setup in verification/front_relax/code_ad
2697    
2698  checkpoint46e_post  checkpoint46e_post
2699  o Added new equation of state -> MDJWF  o Added new equation of state -> MDJWF
2700    - EOS of McDougall et al., 2002, JAOT, submitted    - EOS of McDougall et al., 2002, JAOT, submitted

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