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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.770 by jmc, Thu Feb 8 00:12:37 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    checkpoint58v_post
8    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
9      useDynP_inEos_Zc tested.
10    o pkg/exf: changes to properly interpolate/mask/scale initial fields
11    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
12      and portions thereof.  See read_cs.txt for description and examples.
13    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
14      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
15      following the great-circle arc between those 2 points.
16    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
17      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
18    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
19     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
20     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
21     - still needs work (not working with some options ; efficiency to improve)
22       and serious testing.
23     - use this scheme for temperature & salinity in 2 advection test exp.:
24       advect_xy & advect_xz, respectively.
25    
26    checkpoint58u_post
27    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
28    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
29    o testreport: add option "-skipdir" to skip some test.
30    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
31      momentum calculation.
32    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
33    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
34      remove checkpoint.F and the_correction_step.F (no longer used);
35      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
36    o add option (linFSConserveTr) to correct for tracer source/sink due to
37      Linear Free surface
38    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
39    o pkg/thsice: fix reading mnc-pickups
40    
41    checkpoint58t_post
42    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
43    o pkg/mdsio:
44     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
45       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
46       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
47     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
48     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
49       either MDS_READ_FIELD or MDS_WRITE_FIELD )
50     - new S/R (to replace MDSWRITEMETA), which allows to write more
51       informations (variable names, time ...) to meta files.
52     - modify rdmds.m to give back the meta file content.
53    o pkg/diagnostics: change vertical interpolation to be safer, and more
54       flexible (define p-levels to interpolate to in data.diagnostics);
55      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
56       diagnostic pointer.
57    o pkg/seaice: more cleaning up of seaice_growth, added many comments
58    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
59    o fix multi-category seaice:
60     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
61       SEAICE_MULTICATEGORY
62     - fix short wave heat flux
63    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
64       and allow to use EVP solver. Change forward lab_sea: test both EVP
65       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
66    o Initial check-in of lab_sea adjoint
67      (very similar to natl_box_adjoint/code_seaice)
68      * used C-grid and EVP solver
69      * used KPP, GM/Redi
70      * uses inAdExact=.TRUE.
71      * gradient checks fail for both ADM and TLM
72        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
73        f.d. gradients actually seem more problematic than ADM, TLM gradients;
74        issue is related to forward mismatch between g77 an ifort
75    o pkg/seaice: overhaul of thermodynamics
76     - growth.F and groatb.F are replaced by new routine seaice_growth.F
77     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
78     - move a few global fields out of SEAICE.h into seaice_growth.F and
79       make them 2D (FICE/QNETO/ ...)
80     - remove FO (it is the same as QNETO)
81     - introduce a few local fields to avoid modifying external fields such
82       as atemp, etc.
83    
84    checkpoint58s_post
85    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
86      changed exf_set_gen.F so that
87        genperiod=0 means input file is one time-constant field and
88        genperiod=-12 means input file contains 12 monthly means
89    o CG2D: use pre-computed solver main-diagonal (stored in common block);
90      this affects truncation error ; generate new output file for exp. which
91      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
92        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
93        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
94        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
95        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
96        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
97    o start implementation of deep-atmosphere and anelastic formulation
98    o verification: remove 2nd copy of input files and use script "prepare_run"
99      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
100    o mom_common/vecinv/fluxform: fix a few initialisation isssues
101    o profiles: fix for multithreaded case
102    
103    o diagnostics: rename few diags:
104      s/'PRESSURE'/'RCENTER '/g
105      s/'TICE    '/'oceFreez'/g
106      s/'TAUX    '/'oceTAUX '/g
107      s/'TAUY    '/'oceTAUY '/g
108      s/'SWFLUX  '/'oceQsw  '/g
109      s/DIFx/DFxE/g
110      s/DIFy/DFyE/g
111      and add few ocean-forcing diagnostics:
112      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
113    o modifications to pkg/seaice/growth.F and budget.F, which change results of
114      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
115      as actual snow thickness.  It now refers everywhere to effective snow
116      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
117    
118    checkpoint58r_post
119    o modifications to pkg/seaice/growth.F, which change results of
120      lab_sea experiment: fixes pertain to melting snow over open water, to
121      masking EVAP under sea ice, and to using the correct AREA variable for
122      computations of EVAP, PRECIP, HSNOW, and GHEFF
123    o add ability to read bathy, salt, and theta using MNC (off by def)
124    o add flooding algorithm and advection of HSNOW for pkg/seaice;
125      both are turned off by default and do no change any results
126    o seaice advection with pkg/thsice: a step toward the use of non-linear
127      advection scheme, but #ifdef or commented out for now (requires more EXCH).
128    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
129      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
130      in natl_box (affects results @ truncation level: update output.txt)
131    o multi-threading and IO:
132      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
133      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
134        (needed to work with SingleCpuIO): tested in all verif. exp.
135    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
136      affects the results (but none of the verification test uses this scheme).
137    o Adding some pkg/diagnostics capability to pkg/seaice
138      (will certainly be subject to changes)
139    o ctrl: adding new control variables:
140      lwflux, lwdown, evap, snowprecip, apressure, runoff
141    
142    checkpoint58q_post
143    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
144      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
145      high_res_cube configuration by 4% on Columbia.
146    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
147      add (in global_with_exf/code) a version of EXF_INTERP_READ without
148      dynamical allocation (seems to work in multi-threaded).
149    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
150      single CPU io) so that TAF does not have to see EESUPPORT.h
151    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
152    
153    checkpoint58p_post
154    o obcs: stop if obcs is used with useCDscheme = .true.
155    o shelfice:
156     - fix a sign error so that no slip at shelfice interface works
157     - remove stop for combination non-hydrostatic code and shelfice. That does
158       not mean, that the results are correct, but at least they are numerically
159       stable
160    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
161    o added adjoint exch routined for all exch*3d* routines
162      and updated flow directives
163    
164    checkpoint58o_post
165    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
166      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
167    o change controling S/R for writing pickup file (new S/R do_write_pickup)
168      and clean-up reading/writing of pickup files.
169    o fix local version of read/write pickup (NH part) in rotating_tank/code
170    o simplify EXCH interface:
171     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
172     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
173    o added the regrid package
174    o shelfice:
175     - add a simple boundary layer scheme to reduce noise
176     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
177    
178    checkpoint58n_post
179    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
180       local variable (not in common block).
181    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
182      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
183      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
184        to work with SingleCpuIO.
185    o add "_d 0" to real constant of pkg/cfc subroutines ;
186       update exp. cfc_exemple & tutorial_cfc_offline output files.
187    o multi-threading and IO:
188      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
189        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
190      - barrier before and after reading.
191      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
192      - avoid using MDS_WRITELOCAL for LAND pkg output.
193      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
194        common-block variables ; Allows multi-threading with master-thread IO.
195    o change default MAX_NO_THREADS from 32 to 4 ;
196      and stop cleanly when MAX_NO_THREADS is too small.
197    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
198    
199    checkpoint58m_post
200    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
201       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
202    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
203       keep global_ocean.90x40x15 (for AD testing) with former secondary test
204       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
205    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
206        add MITgcm_tutorials (= code + all the tutorials)
207    o ecco, option to compute cost for total ssh (mean+anom)
208    o consistent with addition of ptracer and ssh in pkg/profiles
209    o profiles: adding ptracer and ssh
210    o testreport: change multi-test output-file name
211      (from output.txt.{name} to output.{name}.txt)
212    o profiles: now ok for mutli-tiles case
213    o seaice: add 4 parameters for different advection schemes for area,
214      (effective) seaice thickness, enthalphy, and snow height. Their default
215      is the standard parameter SEAICEadvScheme
216    o calc_gw:
217     - add cosFacU in zonal viscous flux (harmonic.visc.).
218     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
219       of tutorial_plume_on_slope.
220    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
221    o calc_gw: true flux-form, account for horizontal grid spacing.
222      update rotating_tank results, but not plume_on_slope (affected at
223      truncation level, 11 digits).
224    
225    checkpoint58l_post
226    o calc_gw:
227     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
228     - remove side-drag for now (need to fix it); update plume_on_slope results.
229     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
230    o commit code to make SST/SSS weights spatially variable
231      (based on either variable in-situ or variable initial T/S weights)
232    o pkg/ecco:
233      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
234        now based on horizontally varying weights wthetaLev, wsaltLev
235      * cost_averagesflags now returns year indices in addition to day, month
236      * sflux balance is performed on annual basis
237        (sflxumm, sfluxmm2, bal_sfluxmm)
238      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
239        including separate counting and multipliers
240    o pkg/rbcs
241      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
242    
243    checkpoint58k_post
244    o testreport:
245     - always build in dir. "build" (if not there, mkdir build instead of building
246       & running in input)
247     - run in dir run (if it exists), in build otherwise.
248     - call prepare_run (if input/prepare_run exists)
249     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
250    o pkg/exf modifications to interpolation and rotation routines for more
251       reasonable treatment of North Pole singularity: for tracers North Pole
252       value is set to northernmost zonal-mean value, for zonal velocity it is
253       set to zero, and for meridional velocity it is set to northernmost value.
254    o pkg/exf/exf_check_range.F
255     - add tile index to diagnostics and move stop statement to the very
256       end of the routine.
257    o pkg/diagnostics: (diagnostics_main_init.F)
258      define title of isomorphic variables according to the current config.
259    o pkg/thsice with pkg/seaice dynamics:
260    - fix domain of computation (interior only, required for exf) and do exchanges
261    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
262    o towards a standard way of dealing with multi-threading in MONITOR
263      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
264    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
265       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
266    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
267    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
268    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
269       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
270    o tracer advection:
271     - clean-up and simplify calc_common_factors.F
272     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
273       advection subroutine (but still not used within DST advection S/R)
274    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
275    
276    checkpoint58j_post
277    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
278      from file (collects calls previously in FORWARD_STEP)
279    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
280    o adjoint store dir. adjusted accordingly
281    o genmake2
282      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
283    
284    checkpoint58i_post
285    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
286      on wind stress (SEAICEstressFactor defaults to 1.)
287    o Total number of Timers is finite (<=40): comment out 2 non-essential one
288      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
289    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
290      on CS-grid: no longer loosing mass.
291    o exf & curvilinear-grid: no longer modify longitude xC & xG.
292    o pkg/ggl90: fix sloppy output and fix a bug
293    o pkg/seaice: added SEAICEuseEVPpickup parameter
294      - Set to false in order to start EVP solver with
295        non-EVP pickup files when using SEAICEuseEVP
296      - fix sign error in diffusion in seaice_calc_rhs
297    
298    checkpoint58h_post
299    * Modifications for bottom topography control
300      o replace hFacC by _hFacC at various places
301      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
302      o add non-self-adjoint cg2d_nsa
303      o update autodiff support routines
304      o re-initialise hfac after ctrl_depth_ini
305      o works for 5x5 box, doesnt work for global_ocean.90x40x15
306    * Adding verification for 5x5 box (4-layer) bottom topography control
307    
308    checkpoint58g_post
309    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
310       used for mean seasonal cycle, mean diurnal cycle); add an example
311       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
312    o pkg/ggl90:
313      - add parameter (minimum surface kinetic energy)
314      - fix bug (avoiding division by zero)
315    o couple pkg/thsice to pkg/seaice:
316      - modify advection in seaice to accomodate new scalar fields to be advected
317      - only muliDimAdection scheme work with seaice/thsice
318      - mapping of thsice-variables to seaice-variables, back and forth
319      - does not break the verification experiments, but does not give the
320        desired results either
321    o pkg/seaice
322      - make (default) second order advection a bit less confusing?
323    
324    checkpoint58f_post
325    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
326      to pkg/seaice):
327      - new routines thsice_map_exf and thsice_get_exf provide the interface
328      - add an additional formal parameter to thsice_solve4temp
329    o pkg/exf:
330      - add new fields wspeed, snowprecip (to be able to couple to thsice)
331      - correct Stefan-Boltzmann constant
332      - new parameter for longwave surface emittance
333      - separate some stuff from exf_bulkformulae into new routines  
334        exf_radiation, exf_wind
335      - add new parameters and constants: longwave emissivity for ocean, ice
336        and snow, evaporation parameters over ice
337      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
338        either wind from stress or stress from wind
339    o pkg/thSIce:
340    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
341    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
342       and THSICE_CALC_THICKN
343    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
344    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
345      to make debugging easier.
346    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
347    o pkg/bulk_force:
348      - clean-up comments and parameters ;
349      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
350    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
351      generate new output for test-experiment: aim.5l_cs.thSI
352    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
353      testreport accordingly
354    
355    checkpoint58e_post
356    o SEAICE_CGRID adjoint done
357    o R_STAR adjoint implemented.
358      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
359      * need to sort out init. of h0facc, etc.
360    o Make pkg/profile fully independent of ecco,cost, etc. stuff
361      to be able to use it in pure forward.
362    
363    checkpoint58d_post
364    o upgrade simple test-experiment to tutorial example:
365     step.1: duplicate the experiment and (step.2) will remove the old copy.
366      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
367      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
368      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
369      tutorial_global_oce_biogeo    <- copy of dic_example
370      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
371      tutorial_plume_on_slope       <- copy of plume_on_slope
372      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
373      tutorial_global_oce_optim     <- empty for now (David ?)
374      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
375     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
376    o correct a sign problem in cost_scat.F
377    o obcs and ptracers: fix boundary conditions for advections schemes
378      with larger stencil
379    o thsice adjoint: start
380    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
381      completeness
382    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
383      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
384    o ptracers adjoint:
385      * avoid extensive recomputatations
386      * fix missing re-init. of gptr (missed by TAF)
387    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
388      me to turn off the excessive output to STDOUT that this package produces
389    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
390      and add those terms in Vector-Invariant formulation.
391    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
392      if the control period (xx_hfluxperiod etc) is 0
393    o in profiles pkg, clean routines and fix details
394    o in ecco pkg, reading ssh data:
395      fix problem in case the model does not start at iter0=0
396    o fix mnc-pickup/restart for ptracers
397    o new package prifiles:
398      code to compute profile-based cost by Gael Forget
399      (modifs in ecco, ctrl, autodiff)
400    o Benign bug fix in initialization (spotted by M. Mazloff) of
401      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
402    
403    checkpoint58c_post
404    o adjoint: finish NLFS adjoint and provide reference output in
405      verification/global_ocean.90x40x15/results_ad_nlfs
406    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
407      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
408      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
409      with SEAICE_CGRID defined.
410    o move calendarDumps from "data" to "data.cal" and clean-up the code
411      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
412    o add useEXF & useCAL flags (for now, set in hard-coded way)
413    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
414      (were missing in NH mode, and wrong in quasihydrostatic mode).
415      waiting for Chris updated version of calc_gw to add those CALLs.
416    o fix bug in quasihydrostatic S/R ;
417      add a test for this option: global_ocean.90x40x15.qshyd
418    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
419      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
420    o add on/off flag useOffLine for package OFFLINE
421    o seaice:
422      - modify advection so that it works also on the C-grid
423      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
424        problem in multi-tile runs with C-grid
425      - add flags for clipping ice velocities and/or masking solver forcing
426      - fix drag (ocean on ice) formulation and a bug that caused noise in the
427        C-grid solver
428      - added a few comments to seaice_diffusion.F
429      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
430        are now exclusive)
431      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
432        required re-ordering the code a little:
433       + make DAIRN global variable (defined in SEAICE)
434       + move computation of the viscosities eta and zeta into a new separate
435         routine (because I need to recompute them in seaice_ocean_stress.F)
436    
437    checkpoint58b_post
438    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
439      update output.txt of exp. aim.5l_cs.thSI
440    o various mnc cleanups and improvements:
441      + shrink lookup tables by factor of ~4
442      + better error reporting when running out of lookup space
443      + able to handle longer path/file names (up to 500 chars)
444    o adjoint:
445      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
446      - TBD: "hidden" mom_vecinv recomp. in dynamics
447    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
448     (allow to differentiate between forcing components using new integer flags:
449      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
450     and add new flag to put Dissipation tendency out of Adams-Bashforth.
451    o ecco
452      - enable trend removal from SSH anomaly obs.
453    o adjoint
454      - a fix for PmEpR when #undef EXACT_CONSERV
455      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
456      - try to fix "hidden" recomp. in forward_step for NLFS
457        (NLFS seems broken sometimes after I checked it in)
458    o seaice:
459     - add c-grid version of the dynamic solver:
460       + three new routines that are the c-grid substitute lsr, dynsolver
461         and ostres
462       + put a few fields that were local to dynsolver into global common
463         blocks, so that I can move the computation of stresses etc into
464         seaice_lsr (saves coding but may break the adjoint).
465     - replace more hardwired parameters by runtime parameters
466     - add ice masks that mask the rhs of the implicit solvers where there
467       is no ice (commented out in seaice_dynsolver, because i am not sure
468       if this works properly), eventually this should replace the clipping
469       of ice velocities in seaice_dynsolver to +/-40cm/s.
470    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
471      include it only where its needed
472    o move balancing of fluxes before the call of external_forcing_surf
473    o seaice:
474      - correct units of turning angles (now they are really in degrees)
475      - move computation of GWATX/Y out of main routine into dynsolver
476      - initialize GWATX/Y in seaice_init
477    o Apply mask on Fresh-Water flux (needed for SSH forcing).
478      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
479    o seaice: add runtime flags for turning angles (default to zero)
480    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
481      and trend from exf forcing and ctrl control adjustments
482    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
483      (since checkpoint57x_post)
484    o change the default rotation period to 86164.s = the Earth rotation
485    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
486      and based on a reference stratification. Tested within hs94.cs-32x32x5.
487    o seaice advection: add code for choosing between the default (2nd order
488      central differences) and multiDim advection schemes provided by
489      pkg/generic_advdiff
490    o seaice:
491      - removed all references to SEAICE_GRID.h fields from
492        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
493        (cubed-sphere configuration will change a little)
494      - grid computations in seaice_init are obsolete now.
495      - cleaned up code a little so that is easier to read (hopefully).
496      - added new (better?) discretizations of default advection and diffusion
497        (turn on with SEAICEuseFluxForm)
498      - replace 1 in 3d global fields by kSurface in growth.F
499      
500    checkpoint58a_post
501    o seaice:
502      - bug fix in advect.F
503    o shelfice:
504      - separate shelfice load anomaly from pload (breaks with time
505        dependent forcing), => introduce constant field shelficeLoadAnomaly.
506        Its default is 0., but it may be computed more cleverly from (unknown)
507        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
508        done offline. A good approximation of the pressure load anomaly is
509        necessary to avoid large initial adjustment processes underneath
510        deep-reaching shelfice.
511      - small fix in ISOMIP shelfice_thermodynamics
512      - add more sophisticated thermodynamics of Hellmer (1989), this is
513        now the default
514      - give a few constants more intuitive names
515    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
516      if bulk formulae are used in long integration (especially EmPmR). Turn
517      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
518      if balancePrintMean, the imbalance that is substracted is printed to
519      STDOUT.
520    o fix bug (typo) in obcs_apply_eta.F
521    o add a new package shelfice which enables us to model the circulation
522      underneath shelf-ice with draughts of hundreds of meters.
523     - works
524     - to do: + include improved thermodynamics
525              + check whether kSurfC (from model/inc/SURFACE.h) can be used
526                instead of new field kTopC
527              + can we use topoFile, Ro_surf and existing code in ini_depth.F
528                instead of new field R_shelfIce and new code in ini_depth.F
529                and ini_mask_etc.F?
530              + adjust vertical mixing schemes?
531    o seaice pkg:
532     - add a cpp-flag to include a simple formula for a salinity dependent
533       freezing point of sea water at the surface
534     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
535       meridional stresses are now different (and hopefully correct)
536    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
537       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
538       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
539    o pkg/diagnostics: add options and parameters for regional-statistics
540       diagnostics ; define regions by reading a region-mask from a file
541       (might add other options later)
542    o pkg/bulk_force:
543     - add option and parameters to use AIM surface-flux formulae.
544     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
545       others forcing fields (defined in PARM05, parameter file "data") are loaded
546       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
547     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
548     - use the right EXCH call for uwind,vwind (to work on CS-grid).
549     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
550       and parameters (note: calcWindStress replaces .NOT.readwindstress).
551     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
552    
553    checkpoint58
554    o add "--embed-source" option to genmake2 which, when the supporting
555      tools can be compiled (as determined by genmake2) will turn on the
556      embed_files package which then embeds the entire MITgcm source code
557      (*.[fFhc] + Makefile) used for the build within the executable
558      - requested by CNH but off by default
559      - adds a paltry <9MB to the mitgcmuv executable in most cases
560      - only writes the output when useEMBEDSRC in eedata is true
561    o clean up 3-dim. relaxation codes:
562      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
563      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
564      * Thanks to Tom Haine for testing!
565    
566    checkpoint57z_post
567    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
568      affects output (@ truncation level) of exp. plume_on_slope ; updated.
569    o fix the pickup behavior for obcs in combination with ptracers
570    o fix a bug in ptracers_external_fields_load
571    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
572      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
573    o transfered surface NH pressure to eta field (if exactConserv).
574    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
575         and update lab_sea output.txt file.
576    o completing 3-dim. relaxation code: additional term
577         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
578      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
579      * At compile time, in "EXF_OPTIONS.h" set
580          #define  ALLOW_CLIMTEMP_RELAXATION
581          #define  ALLOW_CLIMSALT_RELAXATION
582      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
583          tauThetaClimRelax3Dim = 15552000.0,
584          tauSaltClimRelax3Dim  = 15552000.0,
585      * 3 cases:
586          1) Use a constant-in-time 3-dim. field
587          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
588          3) Real-time relax. to time-evolving prescribed field
589    o Adding Laplacian-type smoothness constraint on
590      initial and boundary (forcing) controls (ic, bc)
591      * enable at compile-time via
592        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
593      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
594      * Absolute scale somewhat unclear so far
595      * no area weighting was included since no other cost term does so far
596    
597    checkpoint57y_post
598    First step for a NLFS adjoint
599    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
600    o new init. routines for calc_r_star, calc_surf_dr
601    o still need to deal with ini_masks_etc
602    o testreport seemed happy
603    checkpoint57y_pre
604    
605    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
606    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
607    o add new offset feature to offline pkg (plus minor cleanup)
608    o cfc fixes for final year of integration
609    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
610      be in GCHEM_OPTIONS).
611    
612    checkpoint57x_post
613    o fix testreport Pb in multiple test experiment.
614    o cleanup our namelist syntax in verification:
615      - make it more F95 standards compliant (some work still needed)
616      - allows the vast majority of our tests to work with gfortran
617    o Non-Hydrostatic:
618     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
619     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
620    o Allow to apply AB on T,S rather than on AB(gT,gS):
621     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
622     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
623       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
624     - need a "clever" read_pickup to restart from the other AB formulation
625    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
626    o remove some unused variables (reduces number of compiler warnings)
627    o adjoint
628      * Disable useVariableViscosity for adjoint for time being
629        (there are a number of extensive recomputations)
630      * Initialize certain variables needed for adjoint
631    
632    checkpoint57w_post
633    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
634                 fix the singleCpuIO RS version of MDSWRITEFIELD
635       and add a WARNING if using globalFiles=T with multi-processors.
636    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
637      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
638    o tracer advection scheme:
639      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
640       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
641       was not very convenient).
642      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
643       (further tests needed for the implicit DST & Flux-Limiter schemes).
644    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
645      and sRef for convenience, handy, when you want to initialize
646      ptracers in a large domain with a constant non-zero value. Also,
647      untangle ptracers_init.F a little.
648    
649    checkpoint57v_post
650    o change dome exp. to use variable viscosity in side-drag terms.
651    o remove all the files from the cfc_offline test since they are now
652      incorporated into tutorial_cfc_offline which has been producing
653      identical results for a few days of testing
654    o add new parameter: sideDragFactor to enable half-slip-side BC
655      and change side-drag S/R to use viscosity from mom_calc_visc
656      (can switch back by setting sideDragFactor=0.); affects results at
657      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
658       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
659    o vorticity & strain are now computed without masking, to account for
660      no-slip-side BC in variable viscosity calculation ; mask is applied
661      anyway later on, before computing advection/coriolis terms.
662    o modify exp4 to test new obcs support for reading from external files
663      and for passive tracers
664    o fix behavior of ptracers_monitor when monitor output is written to a
665      netcdf-file; still not independent of monitor.F (writes in the same
666      file).
667    o change default value of tRef (put a uniform, meaningful value for ocean
668      & atmos) and initialize sRef (was missing, as Martin mentioned).
669    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
670      to be proportional to enstrophy dissipation length.  Thus,
671       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
672      This is now consistent with Smagorinsky and with the manual.
673    
674    checkpoint57u_post
675    o OBCS and PTRACERS: add open boundary support for passive tracers
676      - either use homogenous (pseudo) v.Neumann conditions or prescribe
677        OB-values from file; this is not different from the way theta and salinity
678        are treated
679      - however, Orlanski-radiation conditions are not supported, and the model
680        will stop if you use pTracers and Orlanski at the same time.
681      - beefed up the rountine obcs_external_fields_load: now only those open
682        boundary values are overwritten with values from files for which there
683        are really files, otherwise the OB-fields remain untouched. This makes
684        it possible to use different OBs at different ends of the domain (as
685        with EXF)
686    o reduce number of exch calls in shap_filt (s2).
687    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
688      truncation level) 4/5 MLAdjust test results (11&12 digits match).
689    
690    checkpoint57t_post
691    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
692    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
693      same truncation, independent of the face number: affects affects several
694      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
695    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
696      note that biharmonic viscosity + no-slip was not tested in any experiment.
697    o fix bug in non-linear free-surf side-drag ; generate new output for
698      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
699    o make mnc honor the writeBinaryPrec flag for most kinds of output
700    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
701    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
702      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
703    o add brackets in multi-terms sum to get same truncation, independent of
704      the face number (manage to get exactly same value of gU,gV at the cs-edge)
705      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
706    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
707      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
708      a maximum grid-scale Reynolds number.  Also, changes all length calculations
709      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
710      Suggested values of viscosity parameters found in mom_calc_visc.
711      Many new viscosity diagnostics available.
712    
713    checkpoint57s_post
714    o Add clearing-house for viscosity calculations, mom_calc_visc and
715      correct numerous bugs in LeithD and Smagorinsky discretizations.  
716      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
717      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
718      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
719      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
720      The Strain-Tension form is now called with useStrainTensonVisc=.true.
721      ViscAhStrain and viscAhTension are now retired.
722    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
723    o In response to JMC's bug report, genmake2 now ignores any soft-links
724      that it finds in the *current* directory when searching for files.
725      Soft-links found in any other source directories will still work as
726      they did before.
727    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
728      a C routine to unlimit the stack size
729    o mnc-ify pkg/aim snapshot vars
730    o mnc-ify pkg/land as requested by Daniel
731    o various changes to mnc including:
732      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
733      - output can now be grouped so that all files within a group
734          change the ITER portion of their names in lock-step together
735      - can now read ("global") PER-FACE (in addition to PER-TILE) files
736          and works with both EXCH1 and EXCH2 (but needs more testing)
737      - writing works for all verification test cases w/ g77 on Linux
738    
739    checkpoint57r_post
740    o make MNC variable initialization happen earlier
741    o add diagnostics for (almost) each term of the momentum Eq.
742    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
743    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
744    o remove MINIMAL_TAVE_OUTPUT option ;
745      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
746    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
747      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
748    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
749    o add time-dependent SST, SSS control
750    o cost terms in ecco/ modularized (new cost_generic.F)
751    o cost_averages routines are modularized (new cost_averagesgeneric.F)
752    o new infrastructure for seaice model vs. obs misfits in seaice/
753      * driver from the_main_loop.F is seaice_cost_driver.F
754      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
755      * gradient check in Exp. 6a of natl_box_adjoint/
756    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
757      (see README file)
758    
759    checkpoint57q_post
760    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
761    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
762      - bug was reported by Jean-Michel and Ian Fenty
763    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
764      update exp. cpl_aim+ocn output.
765    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
766      Needed for high-res. runs with large global files
767      to be able to limit tapelev size
768    o Changed some tests for adjoint:
769      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
770      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
771      * global_ocean.90x40x15/ back to default 3-level checkpointing
772    o Modifications to enable scripted COMMON to MODULE conversion
773      * verification/OpenAD/code/ has necessary scripts and description;
774      * converts, compiles and runs successfully;
775    
776    checkpoint57p_post
777    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
778    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
779      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
780    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
781    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
782      (was already the case for dissipation with mom_vecinv,
783       and also the case for grad.PhiHyd when staggered-timeStep)
784      This will allow to put dissipation out-off the AB time-stepping.
785     Unfortunately, affects truncation error. Update output of exp. that "fails"
786      (cg2d matching number) and leave the others for later: front_relax(10),
787      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
788      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
789    
790    checkpoint57o_post
791    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
792      (2) its ready to be documented during the 20050801 DocFest
793    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
794      for ideal_2D_oce and lab_sea on linux_ia32_g77
795    o set to #undef CTRL_SET_OLD_MAXCVARS_30
796      in global1x1_tot/code_seaice_adj to access indices 32, 33
797      (worth another tag)
798    
799    checkpoint57n_post
800    o adding precip control xx_precip 32
801    o adding swflux control xx_swflux 33
802    o Replacing 10 forcing penalty cost routines by 1 generic.
803    o Implementing partitioning in time-mean and variable adjustment
804      for atmos. state.
805    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
806    o in natl_box_adjoint:
807      * updated exp 1 to 10
808        (but does not have time-mean vs. variable split results yet)
809    o updated global1x1/*_seaice_adj/
810      to incorporate latest changes
811    o enable useSingleCpuIO for mdsio vector routines
812      (applies in particular to tapelev I/O)
813    o removed inefficient K-loop in all active_file*control*.F
814    
815    checkpoint57m_post
816    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
817      and advect_cs (use EXCH-2 and standard cs-32 grid files).
818    o pkg/exch2: filling of face-corner halo regions is optional
819      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
820    
821    checkpoint57l_post
822     tag before updating tutorials (pre-release-2)
823    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
824       for output and interpolation of input fields onto model grid)
825    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
826       Affects results of exp. rotating_tank ; update output.txt.
827    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
828          and taking the square quantity and/or using a fraction-weight field.
829    o fix aim_diagnostics_init.F mate numbers.
830    o add mnc output capability to diagnostics/diagstat and update
831      our cvsignore files for the ACSII output generated
832    
833    checkpoint57k_post
834    o lab_sea now uses diagnostics package and provides a suite of
835      new EXF diagnostics output.
836    
837    checkpoint57j_post
838    o exf
839      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
840        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
841        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
842      * extended diagnostics output
843        - now includes all EXF variables
844        - hs, hl moved to common block
845        - separate S/R for diagnostics, called after ctrl vector is added
846        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
847        - EXFqnet contains true Qnet (i.e. includes qsw)
848      * updated verif. lab_sea, global_with_exf
849      * Rearranging hflux (exf_mapfields -> exf_getforcing)
850        to ensure that diagnostics sees a true EXFqnet
851    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
852    o diagnostics pkg: change pointers so that 1 diagnostic can be used
853      several times with different frequencies.
854    o mnc-ify the thsice package as requested by Daniel Enderton
855      - the monitor--MNC output needs work
856      - many attributes need to be added (most are currently blank)
857    o mnc-ify theaim_v23 package as requested by Daniel Enderton
858      - many attributes need to be added (most are currently blank)
859    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
860    o add Sadourny like discretization to the 4th.O vorticity advection scheme
861    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
862      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
863         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
864    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
865     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
866    
867    checkpoint57i_post
868    o Diagnostics package was changed: diagnostic allocation is now deactivated
869      by setting an empty file name in the namelist (used to be by setting 0 frequency)
870    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
871      add 1rst Order upwind vertical Shear.
872    o add a quick fix for A/B checkpointing in OFFLINE mode
873    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
874      end-run around the C/Fortran linking horror in eesup/src/timers.F
875    o added pkg/runclock: allows user to terminate run based on wall clock
876    o added non-hydrostatic scaling parameter: nh_am2
877    o pkg/my82: futile attempt to make results compiler-independent by adding
878      some "_d 0", etc. no effect.
879    o for mnc output, fill the 'T' coordinate var with myTime and create a
880      separate 'iter' variable for iteration count
881    o pkg/diagnostics:
882      add new capability: output of Global/Regional & per-level statistics ;
883      tested against monitor output (including land & thSIce) on various exp.
884    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
885    
886    checkpoint57h_done
887      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
888      data.diagnostics, data.gchem, data.ptracers) is done.
889    
890    o pkg/diagnostics: prepare for Global/Regional statistics.
891      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
892    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
893      and rename it: DIFFERENT_MULTIPLE
894    
895    checkpoint57h_post
896    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
897    o pkg/diagnostics: change output frequency, now in seconds (instead
898      of Nb of iterations). This requires to change data.diagnostics.
899    checkpoint57h_pre
900    
901    o in mnc, let the user create the output dir if both mnc_outdir_date
902      and mnc_outdir_num are false
903    o add fflags() to pkg/diagnostics which allows one to specify, on a
904      per-file basis, the file precision [default behavior is unchanged]
905    o added diagnostics to pkg/kpp, including computation of mixed layer
906      depth based on a temperature/density criterion
907    o updated verification/natl_box to test the new pkg/kpp diagnostics
908    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
909    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
910    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
911      not mnc -- this mistake was found by JMC and is now corrected
912    
913    checkpoint57g_post
914    o add Adams-Bashforth 3rd Order time stepping:
915      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
916      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
917    checkpoint57g_pre
918    
919    o make lambda[Theta,Salt]ClimRelax spatially varying
920      (default remains spatially uniform constant based on tau)
921    o added new control variables
922      * init. uVel, vVel, etanN
923      * lambda[Theta,Salt]ClimRelax
924    o separate masks used for ctrl_pack/unpack 'from write_grid' output
925      (suggested by G. Forget)
926    
927    checkpoint57f_post
928    o add parameter "baseTime" = model base time = time at iteration zero
929      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
930      account for baseTime shift
931    o move Coriolis arrays from PARAMS.h to GRID.h
932    checkpoint57f_pre
933    
934    o mnc-ifying the seaice package
935    o introduced an alternative length scale calculation for use in the limiting
936      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
937    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
938    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
939      as well as grad(vort3).  Made it compatible with both approximate form
940      for the cubed sphere and full form of these gradients.  Added flag
941      useFullLeith to select between approximate and full form.  
942    o add "d0" in getcon.F to reduce differences between compilers/platforms
943      update output.txt of exp. fizhi-gridalt-hs
944    o change port_rand funtion to allow to set the seed.
945    o fix obscure MNC bug involving conversion between reals and integers
946      - it caused no problems with certain (eg. gcc, ifc) compilers but the
947        new version is now more standards-compliant
948    o adjoint-related modifications
949      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
950      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
951      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
952    
953    checkpoint57e_post
954    o Adding eddy stress controls a la Ferreira et al.
955    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
956    
957    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
958      update output.txt of exp. fizhi-gridalt-hs
959    o add more "Z" dimensions and associated coordinate vars to MNC
960    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
961    o parameter calendarDumps: when set, approximate months (30-31 days) and years
962      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
963      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
964      months and years.  Requires pkg/cal.
965    o diagnostics: add pickup functionality
966      - off by default for backwards compatibility
967      - current version only uses MDSIO -- MNC will be added
968    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
969    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
970    
971    checkpoint57d_post
972    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
973    o modify verification/ideal_2D_oce so that it tests the creation of mnc
974      output from the diagnostics package
975    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
976    o make genmake2 more portable by using ".$FS" instead of ".f" for more
977      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
978    o add coordinate variables to the MNC output from the diagnostics package
979    o change MNC-flags default value: true when useMNC=TRUE
980    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
981      the ability (off by default) to read the grid information using MNC
982    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
983    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
984    o do snap-shot diagnostics at the middle of the time-interval (instead of
985      at the end).
986    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
987      new test for AIM with thSIce + slab-ocean
988    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
989    o move state variable diagnostics to the beginning of the time step ;
990      (note: still needs some work specially for snap-shot diagnostics)
991      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
992    
993    checkpoint57c_post
994    o Change testing option (-ieee) to get closer agreement between g77 & ifort
995    o generate new output.txt files on faulks with g77 & the new -ieee option
996    checkpoint57c_pre
997    
998    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
999      update output.txt of exp. global_ocean.90x40x15
1000    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
1001      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
1002    o add saltFlux(+File) forcing capability with periodicExternalForcing
1003    o allow to use pkg diagnostics for GM-Redi & ThSIce output
1004    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
1005    o improvements for the MNC output from DIAGNOSTICS:
1006      - correct handling of the unlimitied dimension
1007      - all dims now have associated coordinate variables
1008      - variables located at U, V, and Corner ("Z") points are now written
1009        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
1010        *all* data points are output
1011    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
1012    o added pkg/seaice/seaice_monitor.F
1013    o mdsio_readfield.F can now read files visible only to master MPI process.
1014    o pkg/seaice: some test code for ice-modified ocean stress
1015    o exf_getffields interpolation defaults to bilinear for all scalar forcing
1016      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
1017      spurious negative numbers for precipitation and humidity.  Will cause
1018      some small numerical differences for integrations using pkg/exf/exf_interp.F.
1019    o pkg/ctrl/
1020      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
1021        May be enabled via doPackDiag
1022      *  introduce z-scaling of
1023         + gradient (doZscalePack) and
1024         + control (doZscaleUnpack)
1025    o pkg/mdsio/
1026      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
1027      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
1028    
1029    checkpoint57b_post
1030    o simplify options in diagnostics_fill arguments (remove weird combinations)
1031    o fix MNC coordinate variables so that they now contain per-face index
1032      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
1033      general, EXCH2 grids are only aligned to a "local" coordinate system
1034    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
1035    o Implement instantaneous output within pkg diagnostics:
1036      setting a negative frequency in data.diagnostics produces
1037     "snap-shot" output (as opposed to time-average if freq > 0)
1038    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
1039      NOTE: change ptracer diagnostics name: use 2 characters to work with
1040            more than 9 tracers. Add also diagnostics of advect & diffus flux.
1041    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
1042      becomes the coordinate variable for the 'T' dimension
1043    o add CF-style coordinate variables to MNC
1044      - just a first cut:  numbers are meaningless on the cubesphere and
1045        missing along the T axis but otherwise it works!
1046    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
1047    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
1048    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
1049      this is based directly on what the model compute, so that the content of
1050      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
1051    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
1052    o clean up build options files for SunOS, in particular
1053      - remove -traditional from xmakedepend
1054      - change -xarch=v9 to -xarch=native for f77
1055      - restore use of make (not gmake)
1056      - add CC=gcc if using g77
1057    o changes per discussion of AM, JMC, & EH3 today:
1058      - move redundant "grid" variables out of "state" -- in preparation of
1059        creating proper CF-style coordinate variables and in recognition
1060        that any/all grid variables can be easily copied (eg. w/NCO) from
1061        the grid files into any of the other NetCDF files
1062      - *always* output grid variables with MDSIO (this will eventually be
1063        changed)
1064      - output MNC grid file if useMNC is true
1065    o every instance of _END_MASTER() has been found and replaced with
1066      _END_MASTER( myThid ) in order to satisfy certain picky Sun
1067      preprocessors
1068    o re-arrange diagnostics pkg initialisation:
1069     - allow each package to extend the available diagnostics list
1070     - add some checking and fix small problems (multi-threaded, ...)
1071     - new S/R diagnostics_fill (replace fill_diagnostics):
1072       look through the short list of active diag. (instead of the long list)
1073       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
1074    
1075    checkpoint57a_post
1076    o this set of changes restores TAMC compatibility
1077      tested for global_ocean.90x40x15 adjoint on trough
1078      (what a pain)
1079    
1080    checkpoint57a_pre
1081    o some modifs in tools/build_options for sunos
1082    o call ctrl_pack for ctrl at end for optimcycle=0
1083    
1084    checkpoint57
1085    o add horizontal bi-harmonic viscosity for vertical velocity
1086      - new parameter viscA4W (defaults to viscA4)
1087      - affects only non-hydrostatic code
1088      - to be done: no-slip lateral boundary conditions
1089    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
1090    o implement Implicit Vertical advection for pTracers
1091    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
1092      (implemented also for implicit vertical diffusion & advection)
1093    o OBCS: extend application of tracer open boundary conditions
1094      to a strip beyond the boundary of width Olx/Oly
1095    o add call monitor to TAF set of required calls (flow directives)
1096      and include in natl_box_adjoint
1097    o untangle a few ifdefs related to cost, ctrl, autodiff
1098      untangel a few ALLOW_ECCO_OPTIMIZATION
1099    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
1100      (theta2, salt2 in ecco_cost_weights)
1101    
1102    checkpoint56c_post
1103    o OBCS as control variables
1104      - update ctrl_ad_diff.list, obcs_ad_diff.list
1105      - remove balance of obcs controls from default
1106      - fix index bug nobcs in ctrl_init
1107      - fix dummy fields filen in ctrl_pack
1108      - add dummy weights for obcs
1109    o lsopt: comment out fort.94 output
1110    o optim:
1111      - remove unnecessary header files
1112      - adjusted namelists
1113      - add xerbla.F to Makefile
1114    o exf:
1115      - multiple modifications of exf_check_range
1116      - unit change in exf_init_runoff from [m/year] to [m/s]
1117    o mdsio:
1118      - i/o-vector change debugLevel from debLevA to debLevB
1119    
1120    checkpoint56b_post
1121    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
1122      is called from DO_THE_MODEL_IO
1123      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
1124      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
1125      - clean up PTRACERS_WRITE_TIMEAVE a little
1126    o add another verification experiment that tests both the cfc-pkg and
1127      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
1128      reactive tendencies treated inline with regular timestepping
1129    o testreport previously did a lousy job of comparing small numbers, so
1130      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
1131      implemented in the little c-progam tmp_cmpnum.c which is embedded in
1132      testreport.
1133    o ptracers_monitor: bug fix for MPI
1134    
1135    checkpoint56a_post
1136    o GCHEM: finish reorganizating the package
1137      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
1138        (introduces another 3D-array for each passive tracer, but only if
1139        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
1140        gchemTendency is not needed because the timestep is done separately)
1141      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
1142      - GCHEM is now---more or less cleanly---separate from PTRACERS
1143      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
1144        so clear to me how that should be done in a general way.
1145    o CFC: improve formatting of output in CFC_ATMOS
1146    o PTRACERS:
1147      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
1148        that ALL experiments with ptracers enable can be checked. This makes
1149        GCHEM_MONITOR obsolete.
1150      - include a runtime parameter PTRACERS_monitorFreq that defaults to
1151        monitorFreq
1152      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
1153    o add PTRACERS (PTR0[1-5]) to testreport output
1154    o exf_check_range:
1155      * default changed to .TRUE.
1156      * will check values for niter0 if debLevA, every timestep if debLevB
1157      * STOP in exf_check_range if 'out of range'
1158      * range chosen generous to allow for potential extema
1159      TBD: a version with stricter range
1160           permitted range would be runtime parameters
1161  o GMredi:  o GMredi:
1162    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
1163    - 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 1166  o GCHEM:
1166    - 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
1167      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
1168    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
1169      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
1170        this flag is now only visible within GCHEM-pkg routines.
1171      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
1172        be replaced by a 3D array that is computed before thermodynamics; for
1173        this, the tracer ID iTracer had to be included into the parameter list
1174        of ptracers_forcing
1175      - set up forward_step to call gchem_forcing, that will replace
1176        gchem_forcing_int in ptracers_forcing
1177      - cleaning up
1178  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
1179    
1180  checkpoint56  checkpoint56

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