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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.793 by heimbach, Thu Apr 19 14:58:37 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    checkpoint59
8    o pkg/exf:
9      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
10        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
11      - move exf header files from lower_case.h to UPPER_CASE.h ;
12        add missing cvs Header & Name
13      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
14      - add namelist param. selectStressGridPosition, exf_monFreq
15      - retire many _CLIM routines, and remove data.exf_clim
16        + params moved to data.exf
17        + climsst, climsss now handled by exf_set_gen, i.e.
18          climss?period=0 refers to constant field,
19          climss?period=-12 to monthly forcing
20      - split up namelists in data.exf
21    o pkg/seaice:
22      - remove seaice_exch and seaice_exch_uv
23      - remove superfluous exchange of theta
24      - add myThid to seaice_budget_ocean/ice
25      - add new interface for atmospheric wind forcing (C-grid only)
26        + new routine
27        + two new field (taux, tauy for stress over ice)
28        + removed one global field (DAIRN) for C-grid case only
29    o pkg/thsise
30      - 2nd set of modifs for thsice adjoint in conjunction with exf
31    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
32    
33    checkpoint58y_post
34    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
35      vertical diffusivity, similar to that in MOM4; turned on using
36      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
37      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
38    o Added capability for 3D specification of background vertical diffusion
39      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
40      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
41      "data" file that contains the 3D vertical diffusivity coefficients.
42    o ice dynamics (pkg/seaice) with thsice thermodynamics:
43      - add code within pkg thsice to advect & diffuse sea-ice fields
44      similar to (and will replace) what has been added in  seaice_advdiff.F,
45      but: - conserving Mass, Heat & Salt.
46           - better when using non-linear advection scheme (not yet fully tested)
47           - can also be used in atmospheric set-up (for now, only the diffusion).
48    
49    checkpoint58x_post
50    o IO option for global-file compact format:
51      - add options when generating topology (utils/exch2/matlab-topology-generator)
52      - add I/O capability (pkg/mdsio).
53      - adapt utils/matlab/rdmds.m to read this format.
54      for now long-line format not yet supported by pkg/mdsio (& exch2).
55    o shelfice: add a few diagnostics
56    
57    checkpoint58w_post
58    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
59      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
60      (and replace horiVertRatio in NH code).
61      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
62                         and tutorial_plume_on_slope (sensitive to truncation)
63    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
64      directly to drive seaice model (C-grid only)
65    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
66     - reintroduce computation of wind from stress,
67     - compute tau (in exf_bulkformulae.F) from windstress averaged to
68       mass points to avoid tau = 0
69     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
70    o rdmnc.m: make it work with "global" files created with gluemnc
71    o rdmnc.m : some improvements in dealing with singleton dimension
72      (tested on all testreport mnc output files).
73    o genmake2: disable pkg/profiles if netcdf test fails.
74    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
75    o move call to cal_readparms up to make calendar parameters/variable available
76      to all packages
77    
78    checkpoint58v_post
79    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
80      useDynP_inEos_Zc tested.
81    o pkg/exf: changes to properly interpolate/mask/scale initial fields
82    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
83      and portions thereof.  See read_cs.txt for description and examples.
84    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
85      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
86      following the great-circle arc between those 2 points.
87    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
88      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
89    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
90     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
91     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
92     - still needs work (not working with some options ; efficiency to improve)
93       and serious testing.
94     - use this scheme for temperature & salinity in 2 advection test exp.:
95       advect_xy & advect_xz, respectively.
96    
97    checkpoint58u_post
98    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
99    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
100    o testreport: add option "-skipdir" to skip some test.
101    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
102      momentum calculation.
103    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
104    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
105      remove checkpoint.F and the_correction_step.F (no longer used);
106      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
107    o add option (linFSConserveTr) to correct for tracer source/sink due to
108      Linear Free surface
109    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
110    o pkg/thsice: fix reading mnc-pickups
111    
112    checkpoint58t_post
113    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
114    o pkg/mdsio:
115     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
116       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
117       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
118     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
119     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
120       either MDS_READ_FIELD or MDS_WRITE_FIELD )
121     - new S/R (to replace MDSWRITEMETA), which allows to write more
122       informations (variable names, time ...) to meta files.
123     - modify rdmds.m to give back the meta file content.
124    o pkg/diagnostics: change vertical interpolation to be safer, and more
125       flexible (define p-levels to interpolate to in data.diagnostics);
126      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
127       diagnostic pointer.
128    o pkg/seaice: more cleaning up of seaice_growth, added many comments
129    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
130    o fix multi-category seaice:
131     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
132       SEAICE_MULTICATEGORY
133     - fix short wave heat flux
134    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
135       and allow to use EVP solver. Change forward lab_sea: test both EVP
136       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
137    o Initial check-in of lab_sea adjoint
138      (very similar to natl_box_adjoint/code_seaice)
139      * used C-grid and EVP solver
140      * used KPP, GM/Redi
141      * uses inAdExact=.TRUE.
142      * gradient checks fail for both ADM and TLM
143        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
144        f.d. gradients actually seem more problematic than ADM, TLM gradients;
145        issue is related to forward mismatch between g77 an ifort
146    o pkg/seaice: overhaul of thermodynamics
147     - growth.F and groatb.F are replaced by new routine seaice_growth.F
148     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
149     - move a few global fields out of SEAICE.h into seaice_growth.F and
150       make them 2D (FICE/QNETO/ ...)
151     - remove FO (it is the same as QNETO)
152     - introduce a few local fields to avoid modifying external fields such
153       as atemp, etc.
154    
155    checkpoint58s_post
156    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
157      changed exf_set_gen.F so that
158        genperiod=0 means input file is one time-constant field and
159        genperiod=-12 means input file contains 12 monthly means
160    o CG2D: use pre-computed solver main-diagonal (stored in common block);
161      this affects truncation error ; generate new output file for exp. which
162      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
163        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
164        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
165        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
166        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
167        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
168    o start implementation of deep-atmosphere and anelastic formulation
169    o verification: remove 2nd copy of input files and use script "prepare_run"
170      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
171    o mom_common/vecinv/fluxform: fix a few initialisation isssues
172    o profiles: fix for multithreaded case
173    
174    o diagnostics: rename few diags:
175      s/'PRESSURE'/'RCENTER '/g
176      s/'TICE    '/'oceFreez'/g
177      s/'TAUX    '/'oceTAUX '/g
178      s/'TAUY    '/'oceTAUY '/g
179      s/'SWFLUX  '/'oceQsw  '/g
180      s/DIFx/DFxE/g
181      s/DIFy/DFyE/g
182      and add few ocean-forcing diagnostics:
183      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
184    o modifications to pkg/seaice/growth.F and budget.F, which change results of
185      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
186      as actual snow thickness.  It now refers everywhere to effective snow
187      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
188    
189    checkpoint58r_post
190    o modifications to pkg/seaice/growth.F, which change results of
191      lab_sea experiment: fixes pertain to melting snow over open water, to
192      masking EVAP under sea ice, and to using the correct AREA variable for
193      computations of EVAP, PRECIP, HSNOW, and GHEFF
194    o add ability to read bathy, salt, and theta using MNC (off by def)
195    o add flooding algorithm and advection of HSNOW for pkg/seaice;
196      both are turned off by default and do no change any results
197    o seaice advection with pkg/thsice: a step toward the use of non-linear
198      advection scheme, but #ifdef or commented out for now (requires more EXCH).
199    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
200      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
201      in natl_box (affects results @ truncation level: update output.txt)
202    o multi-threading and IO:
203      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
204      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
205        (needed to work with SingleCpuIO): tested in all verif. exp.
206    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
207      affects the results (but none of the verification test uses this scheme).
208    o Adding some pkg/diagnostics capability to pkg/seaice
209      (will certainly be subject to changes)
210    o ctrl: adding new control variables:
211      lwflux, lwdown, evap, snowprecip, apressure, runoff
212    
213    checkpoint58q_post
214    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
215      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
216      high_res_cube configuration by 4% on Columbia.
217    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
218      add (in global_with_exf/code) a version of EXF_INTERP_READ without
219      dynamical allocation (seems to work in multi-threaded).
220    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
221      single CPU io) so that TAF does not have to see EESUPPORT.h
222    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
223    
224    checkpoint58p_post
225    o obcs: stop if obcs is used with useCDscheme = .true.
226    o shelfice:
227     - fix a sign error so that no slip at shelfice interface works
228     - remove stop for combination non-hydrostatic code and shelfice. That does
229       not mean, that the results are correct, but at least they are numerically
230       stable
231    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
232    o added adjoint exch routined for all exch*3d* routines
233      and updated flow directives
234    
235    checkpoint58o_post
236    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
237      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
238    o change controling S/R for writing pickup file (new S/R do_write_pickup)
239      and clean-up reading/writing of pickup files.
240    o fix local version of read/write pickup (NH part) in rotating_tank/code
241    o simplify EXCH interface:
242     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
243     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
244    o added the regrid package
245    o shelfice:
246     - add a simple boundary layer scheme to reduce noise
247     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
248    
249    checkpoint58n_post
250    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
251       local variable (not in common block).
252    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
253      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
254      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
255        to work with SingleCpuIO.
256    o add "_d 0" to real constant of pkg/cfc subroutines ;
257       update exp. cfc_exemple & tutorial_cfc_offline output files.
258    o multi-threading and IO:
259      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
260        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
261      - barrier before and after reading.
262      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
263      - avoid using MDS_WRITELOCAL for LAND pkg output.
264      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
265        common-block variables ; Allows multi-threading with master-thread IO.
266    o change default MAX_NO_THREADS from 32 to 4 ;
267      and stop cleanly when MAX_NO_THREADS is too small.
268    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
269    
270    checkpoint58m_post
271    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
272       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
273    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
274       keep global_ocean.90x40x15 (for AD testing) with former secondary test
275       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
276    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
277        add MITgcm_tutorials (= code + all the tutorials)
278    o ecco, option to compute cost for total ssh (mean+anom)
279    o consistent with addition of ptracer and ssh in pkg/profiles
280    o profiles: adding ptracer and ssh
281    o testreport: change multi-test output-file name
282      (from output.txt.{name} to output.{name}.txt)
283    o profiles: now ok for mutli-tiles case
284    o seaice: add 4 parameters for different advection schemes for area,
285      (effective) seaice thickness, enthalphy, and snow height. Their default
286      is the standard parameter SEAICEadvScheme
287    o calc_gw:
288     - add cosFacU in zonal viscous flux (harmonic.visc.).
289     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
290       of tutorial_plume_on_slope.
291    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
292    o calc_gw: true flux-form, account for horizontal grid spacing.
293      update rotating_tank results, but not plume_on_slope (affected at
294      truncation level, 11 digits).
295    
296    checkpoint58l_post
297    o calc_gw:
298     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
299     - remove side-drag for now (need to fix it); update plume_on_slope results.
300     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
301    o commit code to make SST/SSS weights spatially variable
302      (based on either variable in-situ or variable initial T/S weights)
303    o pkg/ecco:
304      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
305        now based on horizontally varying weights wthetaLev, wsaltLev
306      * cost_averagesflags now returns year indices in addition to day, month
307      * sflux balance is performed on annual basis
308        (sflxumm, sfluxmm2, bal_sfluxmm)
309      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
310        including separate counting and multipliers
311    o pkg/rbcs
312      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
313    
314    checkpoint58k_post
315    o testreport:
316     - always build in dir. "build" (if not there, mkdir build instead of building
317       & running in input)
318     - run in dir run (if it exists), in build otherwise.
319     - call prepare_run (if input/prepare_run exists)
320     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
321    o pkg/exf modifications to interpolation and rotation routines for more
322       reasonable treatment of North Pole singularity: for tracers North Pole
323       value is set to northernmost zonal-mean value, for zonal velocity it is
324       set to zero, and for meridional velocity it is set to northernmost value.
325    o pkg/exf/exf_check_range.F
326     - add tile index to diagnostics and move stop statement to the very
327       end of the routine.
328    o pkg/diagnostics: (diagnostics_main_init.F)
329      define title of isomorphic variables according to the current config.
330    o pkg/thsice with pkg/seaice dynamics:
331    - fix domain of computation (interior only, required for exf) and do exchanges
332    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
333    o towards a standard way of dealing with multi-threading in MONITOR
334      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
335    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
336       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
337    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
338    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
339    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
340       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
341    o tracer advection:
342     - clean-up and simplify calc_common_factors.F
343     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
344       advection subroutine (but still not used within DST advection S/R)
345    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
346    
347    checkpoint58j_post
348    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
349      from file (collects calls previously in FORWARD_STEP)
350    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
351    o adjoint store dir. adjusted accordingly
352    o genmake2
353      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
354    
355    checkpoint58i_post
356    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
357      on wind stress (SEAICEstressFactor defaults to 1.)
358    o Total number of Timers is finite (<=40): comment out 2 non-essential one
359      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
360    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
361      on CS-grid: no longer loosing mass.
362    o exf & curvilinear-grid: no longer modify longitude xC & xG.
363    o pkg/ggl90: fix sloppy output and fix a bug
364    o pkg/seaice: added SEAICEuseEVPpickup parameter
365      - Set to false in order to start EVP solver with
366        non-EVP pickup files when using SEAICEuseEVP
367      - fix sign error in diffusion in seaice_calc_rhs
368    
369    checkpoint58h_post
370    * Modifications for bottom topography control
371      o replace hFacC by _hFacC at various places
372      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
373      o add non-self-adjoint cg2d_nsa
374      o update autodiff support routines
375      o re-initialise hfac after ctrl_depth_ini
376      o works for 5x5 box, doesnt work for global_ocean.90x40x15
377    * Adding verification for 5x5 box (4-layer) bottom topography control
378    
379    checkpoint58g_post
380    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
381       used for mean seasonal cycle, mean diurnal cycle); add an example
382       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
383    o pkg/ggl90:
384      - add parameter (minimum surface kinetic energy)
385      - fix bug (avoiding division by zero)
386    o couple pkg/thsice to pkg/seaice:
387      - modify advection in seaice to accomodate new scalar fields to be advected
388      - only muliDimAdection scheme work with seaice/thsice
389      - mapping of thsice-variables to seaice-variables, back and forth
390      - does not break the verification experiments, but does not give the
391        desired results either
392    o pkg/seaice
393      - make (default) second order advection a bit less confusing?
394    
395    checkpoint58f_post
396    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
397      to pkg/seaice):
398      - new routines thsice_map_exf and thsice_get_exf provide the interface
399      - add an additional formal parameter to thsice_solve4temp
400    o pkg/exf:
401      - add new fields wspeed, snowprecip (to be able to couple to thsice)
402      - correct Stefan-Boltzmann constant
403      - new parameter for longwave surface emittance
404      - separate some stuff from exf_bulkformulae into new routines  
405        exf_radiation, exf_wind
406      - add new parameters and constants: longwave emissivity for ocean, ice
407        and snow, evaporation parameters over ice
408      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
409        either wind from stress or stress from wind
410    o pkg/thSIce:
411    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
412    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
413       and THSICE_CALC_THICKN
414    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
415    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
416      to make debugging easier.
417    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
418    o pkg/bulk_force:
419      - clean-up comments and parameters ;
420      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
421    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
422      generate new output for test-experiment: aim.5l_cs.thSI
423    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
424      testreport accordingly
425    
426    checkpoint58e_post
427    o SEAICE_CGRID adjoint done
428    o R_STAR adjoint implemented.
429      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
430      * need to sort out init. of h0facc, etc.
431    o Make pkg/profile fully independent of ecco,cost, etc. stuff
432      to be able to use it in pure forward.
433    
434    checkpoint58d_post
435    o upgrade simple test-experiment to tutorial example:
436     step.1: duplicate the experiment and (step.2) will remove the old copy.
437      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
438      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
439      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
440      tutorial_global_oce_biogeo    <- copy of dic_example
441      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
442      tutorial_plume_on_slope       <- copy of plume_on_slope
443      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
444      tutorial_global_oce_optim     <- empty for now (David ?)
445      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
446     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
447    o correct a sign problem in cost_scat.F
448    o obcs and ptracers: fix boundary conditions for advections schemes
449      with larger stencil
450    o thsice adjoint: start
451    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
452      completeness
453    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
454      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
455    o ptracers adjoint:
456      * avoid extensive recomputatations
457      * fix missing re-init. of gptr (missed by TAF)
458    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
459      me to turn off the excessive output to STDOUT that this package produces
460    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
461      and add those terms in Vector-Invariant formulation.
462    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
463      if the control period (xx_hfluxperiod etc) is 0
464    o in profiles pkg, clean routines and fix details
465    o in ecco pkg, reading ssh data:
466      fix problem in case the model does not start at iter0=0
467    o fix mnc-pickup/restart for ptracers
468    o new package prifiles:
469      code to compute profile-based cost by Gael Forget
470      (modifs in ecco, ctrl, autodiff)
471    o Benign bug fix in initialization (spotted by M. Mazloff) of
472      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
473    
474    checkpoint58c_post
475    o adjoint: finish NLFS adjoint and provide reference output in
476      verification/global_ocean.90x40x15/results_ad_nlfs
477    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
478      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
479      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
480      with SEAICE_CGRID defined.
481    o move calendarDumps from "data" to "data.cal" and clean-up the code
482      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
483    o add useEXF & useCAL flags (for now, set in hard-coded way)
484    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
485      (were missing in NH mode, and wrong in quasihydrostatic mode).
486      waiting for Chris updated version of calc_gw to add those CALLs.
487    o fix bug in quasihydrostatic S/R ;
488      add a test for this option: global_ocean.90x40x15.qshyd
489    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
490      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
491    o add on/off flag useOffLine for package OFFLINE
492    o seaice:
493      - modify advection so that it works also on the C-grid
494      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
495        problem in multi-tile runs with C-grid
496      - add flags for clipping ice velocities and/or masking solver forcing
497      - fix drag (ocean on ice) formulation and a bug that caused noise in the
498        C-grid solver
499      - added a few comments to seaice_diffusion.F
500      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
501        are now exclusive)
502      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
503        required re-ordering the code a little:
504       + make DAIRN global variable (defined in SEAICE)
505       + move computation of the viscosities eta and zeta into a new separate
506         routine (because I need to recompute them in seaice_ocean_stress.F)
507    
508    checkpoint58b_post
509    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
510      update output.txt of exp. aim.5l_cs.thSI
511    o various mnc cleanups and improvements:
512      + shrink lookup tables by factor of ~4
513      + better error reporting when running out of lookup space
514      + able to handle longer path/file names (up to 500 chars)
515    o adjoint:
516      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
517      - TBD: "hidden" mom_vecinv recomp. in dynamics
518    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
519     (allow to differentiate between forcing components using new integer flags:
520      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
521     and add new flag to put Dissipation tendency out of Adams-Bashforth.
522    o ecco
523      - enable trend removal from SSH anomaly obs.
524    o adjoint
525      - a fix for PmEpR when #undef EXACT_CONSERV
526      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
527      - try to fix "hidden" recomp. in forward_step for NLFS
528        (NLFS seems broken sometimes after I checked it in)
529    o seaice:
530     - add c-grid version of the dynamic solver:
531       + three new routines that are the c-grid substitute lsr, dynsolver
532         and ostres
533       + put a few fields that were local to dynsolver into global common
534         blocks, so that I can move the computation of stresses etc into
535         seaice_lsr (saves coding but may break the adjoint).
536     - replace more hardwired parameters by runtime parameters
537     - add ice masks that mask the rhs of the implicit solvers where there
538       is no ice (commented out in seaice_dynsolver, because i am not sure
539       if this works properly), eventually this should replace the clipping
540       of ice velocities in seaice_dynsolver to +/-40cm/s.
541    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
542      include it only where its needed
543    o move balancing of fluxes before the call of external_forcing_surf
544    o seaice:
545      - correct units of turning angles (now they are really in degrees)
546      - move computation of GWATX/Y out of main routine into dynsolver
547      - initialize GWATX/Y in seaice_init
548    o Apply mask on Fresh-Water flux (needed for SSH forcing).
549      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
550    o seaice: add runtime flags for turning angles (default to zero)
551    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
552      and trend from exf forcing and ctrl control adjustments
553    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
554      (since checkpoint57x_post)
555    o change the default rotation period to 86164.s = the Earth rotation
556    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
557      and based on a reference stratification. Tested within hs94.cs-32x32x5.
558    o seaice advection: add code for choosing between the default (2nd order
559      central differences) and multiDim advection schemes provided by
560      pkg/generic_advdiff
561    o seaice:
562      - removed all references to SEAICE_GRID.h fields from
563        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
564        (cubed-sphere configuration will change a little)
565      - grid computations in seaice_init are obsolete now.
566      - cleaned up code a little so that is easier to read (hopefully).
567      - added new (better?) discretizations of default advection and diffusion
568        (turn on with SEAICEuseFluxForm)
569      - replace 1 in 3d global fields by kSurface in growth.F
570      
571    checkpoint58a_post
572    o seaice:
573      - bug fix in advect.F
574    o shelfice:
575      - separate shelfice load anomaly from pload (breaks with time
576        dependent forcing), => introduce constant field shelficeLoadAnomaly.
577        Its default is 0., but it may be computed more cleverly from (unknown)
578        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
579        done offline. A good approximation of the pressure load anomaly is
580        necessary to avoid large initial adjustment processes underneath
581        deep-reaching shelfice.
582      - small fix in ISOMIP shelfice_thermodynamics
583      - add more sophisticated thermodynamics of Hellmer (1989), this is
584        now the default
585      - give a few constants more intuitive names
586    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
587      if bulk formulae are used in long integration (especially EmPmR). Turn
588      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
589      if balancePrintMean, the imbalance that is substracted is printed to
590      STDOUT.
591    o fix bug (typo) in obcs_apply_eta.F
592    o add a new package shelfice which enables us to model the circulation
593      underneath shelf-ice with draughts of hundreds of meters.
594     - works
595     - to do: + include improved thermodynamics
596              + check whether kSurfC (from model/inc/SURFACE.h) can be used
597                instead of new field kTopC
598              + can we use topoFile, Ro_surf and existing code in ini_depth.F
599                instead of new field R_shelfIce and new code in ini_depth.F
600                and ini_mask_etc.F?
601              + adjust vertical mixing schemes?
602    o seaice pkg:
603     - add a cpp-flag to include a simple formula for a salinity dependent
604       freezing point of sea water at the surface
605     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
606       meridional stresses are now different (and hopefully correct)
607    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
608       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
609       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
610    o pkg/diagnostics: add options and parameters for regional-statistics
611       diagnostics ; define regions by reading a region-mask from a file
612       (might add other options later)
613    o pkg/bulk_force:
614     - add option and parameters to use AIM surface-flux formulae.
615     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
616       others forcing fields (defined in PARM05, parameter file "data") are loaded
617       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
618     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
619     - use the right EXCH call for uwind,vwind (to work on CS-grid).
620     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
621       and parameters (note: calcWindStress replaces .NOT.readwindstress).
622     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
623    
624    checkpoint58
625    o add "--embed-source" option to genmake2 which, when the supporting
626      tools can be compiled (as determined by genmake2) will turn on the
627      embed_files package which then embeds the entire MITgcm source code
628      (*.[fFhc] + Makefile) used for the build within the executable
629      - requested by CNH but off by default
630      - adds a paltry <9MB to the mitgcmuv executable in most cases
631      - only writes the output when useEMBEDSRC in eedata is true
632    o clean up 3-dim. relaxation codes:
633      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
634      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
635      * Thanks to Tom Haine for testing!
636    
637    checkpoint57z_post
638    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
639      affects output (@ truncation level) of exp. plume_on_slope ; updated.
640    o fix the pickup behavior for obcs in combination with ptracers
641    o fix a bug in ptracers_external_fields_load
642    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
643      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
644    o transfered surface NH pressure to eta field (if exactConserv).
645    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
646         and update lab_sea output.txt file.
647    o completing 3-dim. relaxation code: additional term
648         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
649      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
650      * At compile time, in "EXF_OPTIONS.h" set
651          #define  ALLOW_CLIMTEMP_RELAXATION
652          #define  ALLOW_CLIMSALT_RELAXATION
653      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
654          tauThetaClimRelax3Dim = 15552000.0,
655          tauSaltClimRelax3Dim  = 15552000.0,
656      * 3 cases:
657          1) Use a constant-in-time 3-dim. field
658          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
659          3) Real-time relax. to time-evolving prescribed field
660    o Adding Laplacian-type smoothness constraint on
661      initial and boundary (forcing) controls (ic, bc)
662      * enable at compile-time via
663        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
664      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
665      * Absolute scale somewhat unclear so far
666      * no area weighting was included since no other cost term does so far
667    
668    checkpoint57y_post
669    First step for a NLFS adjoint
670    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
671    o new init. routines for calc_r_star, calc_surf_dr
672    o still need to deal with ini_masks_etc
673    o testreport seemed happy
674    checkpoint57y_pre
675    
676    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
677    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
678    o add new offset feature to offline pkg (plus minor cleanup)
679    o cfc fixes for final year of integration
680    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
681      be in GCHEM_OPTIONS).
682    
683    checkpoint57x_post
684    o fix testreport Pb in multiple test experiment.
685    o cleanup our namelist syntax in verification:
686      - make it more F95 standards compliant (some work still needed)
687      - allows the vast majority of our tests to work with gfortran
688    o Non-Hydrostatic:
689     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
690     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
691    o Allow to apply AB on T,S rather than on AB(gT,gS):
692     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
693     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
694       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
695     - need a "clever" read_pickup to restart from the other AB formulation
696    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
697    o remove some unused variables (reduces number of compiler warnings)
698    o adjoint
699      * Disable useVariableViscosity for adjoint for time being
700        (there are a number of extensive recomputations)
701      * Initialize certain variables needed for adjoint
702    
703    checkpoint57w_post
704    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
705                 fix the singleCpuIO RS version of MDSWRITEFIELD
706       and add a WARNING if using globalFiles=T with multi-processors.
707    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
708      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
709    o tracer advection scheme:
710      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
711       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
712       was not very convenient).
713      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
714       (further tests needed for the implicit DST & Flux-Limiter schemes).
715    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
716      and sRef for convenience, handy, when you want to initialize
717      ptracers in a large domain with a constant non-zero value. Also,
718      untangle ptracers_init.F a little.
719    
720    checkpoint57v_post
721    o change dome exp. to use variable viscosity in side-drag terms.
722    o remove all the files from the cfc_offline test since they are now
723      incorporated into tutorial_cfc_offline which has been producing
724      identical results for a few days of testing
725    o add new parameter: sideDragFactor to enable half-slip-side BC
726      and change side-drag S/R to use viscosity from mom_calc_visc
727      (can switch back by setting sideDragFactor=0.); affects results at
728      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
729       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
730    o vorticity & strain are now computed without masking, to account for
731      no-slip-side BC in variable viscosity calculation ; mask is applied
732      anyway later on, before computing advection/coriolis terms.
733    o modify exp4 to test new obcs support for reading from external files
734      and for passive tracers
735    o fix behavior of ptracers_monitor when monitor output is written to a
736      netcdf-file; still not independent of monitor.F (writes in the same
737      file).
738    o change default value of tRef (put a uniform, meaningful value for ocean
739      & atmos) and initialize sRef (was missing, as Martin mentioned).
740    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
741      to be proportional to enstrophy dissipation length.  Thus,
742       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
743      This is now consistent with Smagorinsky and with the manual.
744    
745    checkpoint57u_post
746    o OBCS and PTRACERS: add open boundary support for passive tracers
747      - either use homogenous (pseudo) v.Neumann conditions or prescribe
748        OB-values from file; this is not different from the way theta and salinity
749        are treated
750      - however, Orlanski-radiation conditions are not supported, and the model
751        will stop if you use pTracers and Orlanski at the same time.
752      - beefed up the rountine obcs_external_fields_load: now only those open
753        boundary values are overwritten with values from files for which there
754        are really files, otherwise the OB-fields remain untouched. This makes
755        it possible to use different OBs at different ends of the domain (as
756        with EXF)
757    o reduce number of exch calls in shap_filt (s2).
758    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
759      truncation level) 4/5 MLAdjust test results (11&12 digits match).
760    
761    checkpoint57t_post
762    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
763    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
764      same truncation, independent of the face number: affects affects several
765      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
766    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
767      note that biharmonic viscosity + no-slip was not tested in any experiment.
768    o fix bug in non-linear free-surf side-drag ; generate new output for
769      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
770    o make mnc honor the writeBinaryPrec flag for most kinds of output
771    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
772    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
773      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
774    o add brackets in multi-terms sum to get same truncation, independent of
775      the face number (manage to get exactly same value of gU,gV at the cs-edge)
776      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
777    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
778      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
779      a maximum grid-scale Reynolds number.  Also, changes all length calculations
780      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
781      Suggested values of viscosity parameters found in mom_calc_visc.
782      Many new viscosity diagnostics available.
783    
784    checkpoint57s_post
785    o Add clearing-house for viscosity calculations, mom_calc_visc and
786      correct numerous bugs in LeithD and Smagorinsky discretizations.  
787      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
788      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
789      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
790      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
791      The Strain-Tension form is now called with useStrainTensonVisc=.true.
792      ViscAhStrain and viscAhTension are now retired.
793    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
794    o In response to JMC's bug report, genmake2 now ignores any soft-links
795      that it finds in the *current* directory when searching for files.
796      Soft-links found in any other source directories will still work as
797      they did before.
798    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
799      a C routine to unlimit the stack size
800    o mnc-ify pkg/aim snapshot vars
801    o mnc-ify pkg/land as requested by Daniel
802    o various changes to mnc including:
803      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
804      - output can now be grouped so that all files within a group
805          change the ITER portion of their names in lock-step together
806      - can now read ("global") PER-FACE (in addition to PER-TILE) files
807          and works with both EXCH1 and EXCH2 (but needs more testing)
808      - writing works for all verification test cases w/ g77 on Linux
809    
810    checkpoint57r_post
811    o make MNC variable initialization happen earlier
812    o add diagnostics for (almost) each term of the momentum Eq.
813    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
814    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
815    o remove MINIMAL_TAVE_OUTPUT option ;
816      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
817    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
818      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
819    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
820    o add time-dependent SST, SSS control
821    o cost terms in ecco/ modularized (new cost_generic.F)
822    o cost_averages routines are modularized (new cost_averagesgeneric.F)
823    o new infrastructure for seaice model vs. obs misfits in seaice/
824      * driver from the_main_loop.F is seaice_cost_driver.F
825      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
826      * gradient check in Exp. 6a of natl_box_adjoint/
827    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
828      (see README file)
829    
830    checkpoint57q_post
831    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
832    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
833      - bug was reported by Jean-Michel and Ian Fenty
834    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
835      update exp. cpl_aim+ocn output.
836    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
837      Needed for high-res. runs with large global files
838      to be able to limit tapelev size
839    o Changed some tests for adjoint:
840      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
841      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
842      * global_ocean.90x40x15/ back to default 3-level checkpointing
843    o Modifications to enable scripted COMMON to MODULE conversion
844      * verification/OpenAD/code/ has necessary scripts and description;
845      * converts, compiles and runs successfully;
846    
847    checkpoint57p_post
848    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
849    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
850      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
851    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
852    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
853      (was already the case for dissipation with mom_vecinv,
854       and also the case for grad.PhiHyd when staggered-timeStep)
855      This will allow to put dissipation out-off the AB time-stepping.
856     Unfortunately, affects truncation error. Update output of exp. that "fails"
857      (cg2d matching number) and leave the others for later: front_relax(10),
858      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
859      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
860    
861    checkpoint57o_post
862    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
863      (2) its ready to be documented during the 20050801 DocFest
864    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
865      for ideal_2D_oce and lab_sea on linux_ia32_g77
866    o set to #undef CTRL_SET_OLD_MAXCVARS_30
867      in global1x1_tot/code_seaice_adj to access indices 32, 33
868      (worth another tag)
869    
870    checkpoint57n_post
871    o adding precip control xx_precip 32
872    o adding swflux control xx_swflux 33
873    o Replacing 10 forcing penalty cost routines by 1 generic.
874    o Implementing partitioning in time-mean and variable adjustment
875      for atmos. state.
876    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
877    o in natl_box_adjoint:
878      * updated exp 1 to 10
879        (but does not have time-mean vs. variable split results yet)
880    o updated global1x1/*_seaice_adj/
881      to incorporate latest changes
882    o enable useSingleCpuIO for mdsio vector routines
883      (applies in particular to tapelev I/O)
884    o removed inefficient K-loop in all active_file*control*.F
885    
886    checkpoint57m_post
887    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
888      and advect_cs (use EXCH-2 and standard cs-32 grid files).
889    o pkg/exch2: filling of face-corner halo regions is optional
890      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
891    
892    checkpoint57l_post
893     tag before updating tutorials (pre-release-2)
894    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
895       for output and interpolation of input fields onto model grid)
896    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
897       Affects results of exp. rotating_tank ; update output.txt.
898    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
899          and taking the square quantity and/or using a fraction-weight field.
900    o fix aim_diagnostics_init.F mate numbers.
901    o add mnc output capability to diagnostics/diagstat and update
902      our cvsignore files for the ACSII output generated
903    
904    checkpoint57k_post
905    o lab_sea now uses diagnostics package and provides a suite of
906      new EXF diagnostics output.
907    
908    checkpoint57j_post
909    o exf
910      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
911        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
912        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
913      * extended diagnostics output
914        - now includes all EXF variables
915        - hs, hl moved to common block
916        - separate S/R for diagnostics, called after ctrl vector is added
917        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
918        - EXFqnet contains true Qnet (i.e. includes qsw)
919      * updated verif. lab_sea, global_with_exf
920      * Rearranging hflux (exf_mapfields -> exf_getforcing)
921        to ensure that diagnostics sees a true EXFqnet
922    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
923    o diagnostics pkg: change pointers so that 1 diagnostic can be used
924      several times with different frequencies.
925    o mnc-ify the thsice package as requested by Daniel Enderton
926      - the monitor--MNC output needs work
927      - many attributes need to be added (most are currently blank)
928    o mnc-ify theaim_v23 package as requested by Daniel Enderton
929      - many attributes need to be added (most are currently blank)
930    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
931    o add Sadourny like discretization to the 4th.O vorticity advection scheme
932    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
933      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
934         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
935    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
936     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
937    
938    checkpoint57i_post
939    o Diagnostics package was changed: diagnostic allocation is now deactivated
940      by setting an empty file name in the namelist (used to be by setting 0 frequency)
941    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
942      add 1rst Order upwind vertical Shear.
943    o add a quick fix for A/B checkpointing in OFFLINE mode
944    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
945      end-run around the C/Fortran linking horror in eesup/src/timers.F
946    o added pkg/runclock: allows user to terminate run based on wall clock
947    o added non-hydrostatic scaling parameter: nh_am2
948    o pkg/my82: futile attempt to make results compiler-independent by adding
949      some "_d 0", etc. no effect.
950    o for mnc output, fill the 'T' coordinate var with myTime and create a
951      separate 'iter' variable for iteration count
952    o pkg/diagnostics:
953      add new capability: output of Global/Regional & per-level statistics ;
954      tested against monitor output (including land & thSIce) on various exp.
955    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
956    
957    checkpoint57h_done
958      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
959      data.diagnostics, data.gchem, data.ptracers) is done.
960    
961    o pkg/diagnostics: prepare for Global/Regional statistics.
962      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
963    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
964      and rename it: DIFFERENT_MULTIPLE
965    
966    checkpoint57h_post
967    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
968    o pkg/diagnostics: change output frequency, now in seconds (instead
969      of Nb of iterations). This requires to change data.diagnostics.
970    checkpoint57h_pre
971    
972    o in mnc, let the user create the output dir if both mnc_outdir_date
973      and mnc_outdir_num are false
974    o add fflags() to pkg/diagnostics which allows one to specify, on a
975      per-file basis, the file precision [default behavior is unchanged]
976    o added diagnostics to pkg/kpp, including computation of mixed layer
977      depth based on a temperature/density criterion
978    o updated verification/natl_box to test the new pkg/kpp diagnostics
979    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
980    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
981    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
982      not mnc -- this mistake was found by JMC and is now corrected
983    
984    checkpoint57g_post
985    o add Adams-Bashforth 3rd Order time stepping:
986      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
987      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
988    checkpoint57g_pre
989    
990    o make lambda[Theta,Salt]ClimRelax spatially varying
991      (default remains spatially uniform constant based on tau)
992    o added new control variables
993      * init. uVel, vVel, etanN
994      * lambda[Theta,Salt]ClimRelax
995    o separate masks used for ctrl_pack/unpack 'from write_grid' output
996      (suggested by G. Forget)
997    
998    checkpoint57f_post
999    o add parameter "baseTime" = model base time = time at iteration zero
1000      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
1001      account for baseTime shift
1002    o move Coriolis arrays from PARAMS.h to GRID.h
1003    checkpoint57f_pre
1004    
1005    o mnc-ifying the seaice package
1006    o introduced an alternative length scale calculation for use in the limiting
1007      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
1008    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
1009    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
1010      as well as grad(vort3).  Made it compatible with both approximate form
1011      for the cubed sphere and full form of these gradients.  Added flag
1012      useFullLeith to select between approximate and full form.  
1013    o add "d0" in getcon.F to reduce differences between compilers/platforms
1014      update output.txt of exp. fizhi-gridalt-hs
1015    o change port_rand funtion to allow to set the seed.
1016    o fix obscure MNC bug involving conversion between reals and integers
1017      - it caused no problems with certain (eg. gcc, ifc) compilers but the
1018        new version is now more standards-compliant
1019    o adjoint-related modifications
1020      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
1021      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
1022      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
1023    
1024    checkpoint57e_post
1025    o Adding eddy stress controls a la Ferreira et al.
1026    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
1027    
1028    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
1029      update output.txt of exp. fizhi-gridalt-hs
1030    o add more "Z" dimensions and associated coordinate vars to MNC
1031    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
1032    o parameter calendarDumps: when set, approximate months (30-31 days) and years
1033      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
1034      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
1035      months and years.  Requires pkg/cal.
1036    o diagnostics: add pickup functionality
1037      - off by default for backwards compatibility
1038      - current version only uses MDSIO -- MNC will be added
1039    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
1040    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
1041    
1042    checkpoint57d_post
1043    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
1044    o modify verification/ideal_2D_oce so that it tests the creation of mnc
1045      output from the diagnostics package
1046    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
1047    o make genmake2 more portable by using ".$FS" instead of ".f" for more
1048      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
1049    o add coordinate variables to the MNC output from the diagnostics package
1050    o change MNC-flags default value: true when useMNC=TRUE
1051    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
1052      the ability (off by default) to read the grid information using MNC
1053    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
1054    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
1055    o do snap-shot diagnostics at the middle of the time-interval (instead of
1056      at the end).
1057    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
1058      new test for AIM with thSIce + slab-ocean
1059    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
1060    o move state variable diagnostics to the beginning of the time step ;
1061      (note: still needs some work specially for snap-shot diagnostics)
1062      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
1063    
1064    checkpoint57c_post
1065    o Change testing option (-ieee) to get closer agreement between g77 & ifort
1066    o generate new output.txt files on faulks with g77 & the new -ieee option
1067    checkpoint57c_pre
1068    
1069    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
1070      update output.txt of exp. global_ocean.90x40x15
1071    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
1072      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
1073    o add saltFlux(+File) forcing capability with periodicExternalForcing
1074    o allow to use pkg diagnostics for GM-Redi & ThSIce output
1075    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
1076    o improvements for the MNC output from DIAGNOSTICS:
1077      - correct handling of the unlimitied dimension
1078      - all dims now have associated coordinate variables
1079      - variables located at U, V, and Corner ("Z") points are now written
1080        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
1081        *all* data points are output
1082    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
1083    o added pkg/seaice/seaice_monitor.F
1084    o mdsio_readfield.F can now read files visible only to master MPI process.
1085    o pkg/seaice: some test code for ice-modified ocean stress
1086    o exf_getffields interpolation defaults to bilinear for all scalar forcing
1087      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
1088      spurious negative numbers for precipitation and humidity.  Will cause
1089      some small numerical differences for integrations using pkg/exf/exf_interp.F.
1090    o pkg/ctrl/
1091      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
1092        May be enabled via doPackDiag
1093      *  introduce z-scaling of
1094         + gradient (doZscalePack) and
1095         + control (doZscaleUnpack)
1096    o pkg/mdsio/
1097      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
1098      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
1099    
1100    checkpoint57b_post
1101    o simplify options in diagnostics_fill arguments (remove weird combinations)
1102    o fix MNC coordinate variables so that they now contain per-face index
1103      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
1104      general, EXCH2 grids are only aligned to a "local" coordinate system
1105    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
1106    o Implement instantaneous output within pkg diagnostics:
1107      setting a negative frequency in data.diagnostics produces
1108     "snap-shot" output (as opposed to time-average if freq > 0)
1109    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
1110      NOTE: change ptracer diagnostics name: use 2 characters to work with
1111            more than 9 tracers. Add also diagnostics of advect & diffus flux.
1112    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
1113      becomes the coordinate variable for the 'T' dimension
1114    o add CF-style coordinate variables to MNC
1115      - just a first cut:  numbers are meaningless on the cubesphere and
1116        missing along the T axis but otherwise it works!
1117    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
1118    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
1119    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
1120      this is based directly on what the model compute, so that the content of
1121      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
1122    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
1123    o clean up build options files for SunOS, in particular
1124      - remove -traditional from xmakedepend
1125      - change -xarch=v9 to -xarch=native for f77
1126      - restore use of make (not gmake)
1127      - add CC=gcc if using g77
1128    o changes per discussion of AM, JMC, & EH3 today:
1129      - move redundant "grid" variables out of "state" -- in preparation of
1130        creating proper CF-style coordinate variables and in recognition
1131        that any/all grid variables can be easily copied (eg. w/NCO) from
1132        the grid files into any of the other NetCDF files
1133      - *always* output grid variables with MDSIO (this will eventually be
1134        changed)
1135      - output MNC grid file if useMNC is true
1136    o every instance of _END_MASTER() has been found and replaced with
1137      _END_MASTER( myThid ) in order to satisfy certain picky Sun
1138      preprocessors
1139    o re-arrange diagnostics pkg initialisation:
1140     - allow each package to extend the available diagnostics list
1141     - add some checking and fix small problems (multi-threaded, ...)
1142     - new S/R diagnostics_fill (replace fill_diagnostics):
1143       look through the short list of active diag. (instead of the long list)
1144       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
1145    
1146    checkpoint57a_post
1147    o this set of changes restores TAMC compatibility
1148      tested for global_ocean.90x40x15 adjoint on trough
1149      (what a pain)
1150    
1151    checkpoint57a_pre
1152    o some modifs in tools/build_options for sunos
1153    o call ctrl_pack for ctrl at end for optimcycle=0
1154    
1155    checkpoint57
1156    o add horizontal bi-harmonic viscosity for vertical velocity
1157      - new parameter viscA4W (defaults to viscA4)
1158      - affects only non-hydrostatic code
1159      - to be done: no-slip lateral boundary conditions
1160    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
1161    o implement Implicit Vertical advection for pTracers
1162    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
1163      (implemented also for implicit vertical diffusion & advection)
1164    o OBCS: extend application of tracer open boundary conditions
1165      to a strip beyond the boundary of width Olx/Oly
1166    o add call monitor to TAF set of required calls (flow directives)
1167      and include in natl_box_adjoint
1168    o untangle a few ifdefs related to cost, ctrl, autodiff
1169      untangel a few ALLOW_ECCO_OPTIMIZATION
1170    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
1171      (theta2, salt2 in ecco_cost_weights)
1172    
1173    checkpoint56c_post
1174    o OBCS as control variables
1175      - update ctrl_ad_diff.list, obcs_ad_diff.list
1176      - remove balance of obcs controls from default
1177      - fix index bug nobcs in ctrl_init
1178      - fix dummy fields filen in ctrl_pack
1179      - add dummy weights for obcs
1180    o lsopt: comment out fort.94 output
1181    o optim:
1182      - remove unnecessary header files
1183      - adjusted namelists
1184      - add xerbla.F to Makefile
1185    o exf:
1186      - multiple modifications of exf_check_range
1187      - unit change in exf_init_runoff from [m/year] to [m/s]
1188    o mdsio:
1189      - i/o-vector change debugLevel from debLevA to debLevB
1190    
1191    checkpoint56b_post
1192    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
1193      is called from DO_THE_MODEL_IO
1194      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
1195      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
1196      - clean up PTRACERS_WRITE_TIMEAVE a little
1197    o add another verification experiment that tests both the cfc-pkg and
1198      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
1199      reactive tendencies treated inline with regular timestepping
1200    o testreport previously did a lousy job of comparing small numbers, so
1201      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
1202      implemented in the little c-progam tmp_cmpnum.c which is embedded in
1203      testreport.
1204    o ptracers_monitor: bug fix for MPI
1205    
1206    checkpoint56a_post
1207    o GCHEM: finish reorganizating the package
1208      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
1209        (introduces another 3D-array for each passive tracer, but only if
1210        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
1211        gchemTendency is not needed because the timestep is done separately)
1212      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
1213      - GCHEM is now---more or less cleanly---separate from PTRACERS
1214      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
1215        so clear to me how that should be done in a general way.
1216    o CFC: improve formatting of output in CFC_ATMOS
1217    o PTRACERS:
1218      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
1219        that ALL experiments with ptracers enable can be checked. This makes
1220        GCHEM_MONITOR obsolete.
1221      - include a runtime parameter PTRACERS_monitorFreq that defaults to
1222        monitorFreq
1223      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
1224    o add PTRACERS (PTR0[1-5]) to testreport output
1225    o exf_check_range:
1226      * default changed to .TRUE.
1227      * will check values for niter0 if debLevA, every timestep if debLevB
1228      * STOP in exf_check_range if 'out of range'
1229      * range chosen generous to allow for potential extema
1230      TBD: a version with stricter range
1231           permitted range would be runtime parameters
1232  o GMredi:  o GMredi:
1233    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
1234    - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.    - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
# Line 11  o GCHEM: Line 1237  o GCHEM:
1237    - move call to GCHEM_FORCING_SEP, so that it is now called before    - move call to GCHEM_FORCING_SEP, so that it is now called before
1238      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
1239    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
1240      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
1241        this flag is now only visible within GCHEM-pkg routines.
1242      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
1243        be replaced by a 3D array that is computed before thermodynamics; for
1244        this, the tracer ID iTracer had to be included into the parameter list
1245        of ptracers_forcing
1246      - set up forward_step to call gchem_forcing, that will replace
1247        gchem_forcing_int in ptracers_forcing
1248      - cleaning up
1249  o small cleaning of exch2: remove files that are also in eesupp/src  o small cleaning of exch2: remove files that are also in eesupp/src
1250    
1251  checkpoint56  checkpoint56

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