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revision 1.141 by heimbach, Fri Feb 28 05:21:22 2003 UTC revision 1.266 by jmc, Thu Mar 11 14:10:00 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint52l_pre
7    
8    o fix problem (when 1 tile is empty) in min/max monitor.
9    o fix bug in timeAve (u,vZetatave in common block)
10    o no restoring terms under ice for pkg/seaice
11    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
12    o bug fix for pkg/seaice pickups
13    o change MNC call locations and add coordinate attributes
14    o mask vorticity at the corner ; affects global_ocean.cs output
15    o fix ini_curvilinear_grid ; test CS experiments with mpi
16    o aim.5l_cs: modify sea-ice fraction input file ; update output
17    o exf: Adding simple range check routine for exf fields after read
18    
19    checkpoint52k_post
20    o removed top-level directory "diags"
21      - we migrated these functions to pkg/timeave a long time ago
22    o fixed bug introduced in pkg/monitor
23    o accuracy ctrlprec = 32 insuffient for gradient checks using
24      averaged fields (I/O via cost_averages)
25      -> use ctrl.h in active_file*.F to control I/O precision.
26    o paramter list of CALL ADTHE_MAIN_LOOP
27    o added initial do_the_model_io to ecco
28    o set all ...Freq to zero after cost_final
29      taveFreq, dumpFreq, pChkptFreq
30    o MAIN and ECCO differentiability restored
31    
32    checkpoint52j_post
33    o fix nchklev in tamc.h for global_ocean...
34    o Bringing flow and store directives up-to-date
35    o Really weird thing!
36      call do_the_model_io from the_main_loop with parameters
37      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
38      TAF places a faulty re-call of initialise_varia
39      after cost_final call which should not be there!
40    checkpoint52j_pre
41    
42    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
43      error messages
44    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
45    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
46      debug output
47    o modfied mdsio_writefield.F to handle non-global files under exch2
48    o update AIM Cubed-Sphere exp (aim.5l_cs):
49      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
50    o update AIM Equatorial Channel exp:
51      use standard aim_v23 pkg and change the SST fields to be more realistic.
52    o globalFile now works with exch2
53    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
54      mon_vort3.F to make exch2 friendly with >1 tile per cube face
55    o limit timeave output for hi-res integrations
56    
57    checkpoint52i_post
58    o removed CPP_EEOPTIONS.h from verification/*/code
59    o updated the tiling for global_ocean_pressure
60    checkpoint52i_pre
61    
62    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
63      the old pkg/aim).
64    
65    checkpoint52h_pre
66    o shortened offending lines in exch2_send_rx?.template
67    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
68    o genmake2: add build & execute test for NetCDF code
69    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
70      old grid files, moved CPP_EEMACROS.h to pkg/exch2
71    o added useSingleCPUIO flag to monitor.F and mon_out.F
72    o added temporary hack for sea-ice dynamics on the cube:
73      metric terms are ignored and it is assumed that
74      there is no sea-ice on cube faces 1, 2, 4, and 5.
75    
76    checkpoint52f_post
77    o added exch2 cube routines to pkg/exch2
78    o modified hs94.cs-32x32x5 to use it
79    o added new grid files to hs94.cs-32x32x5
80    checkpoint52f_pre
81    
82    checkpoint52e_post
83    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
84      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
85    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
86      to work with implicit vertical advection and AB ;
87    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
88    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
89     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
90    checkpoint52e_pre
91    
92    o fix bug in impldiff when Nr=1 or Nr=2.
93    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
94    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
95    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
96      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
97    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
98    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
99    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
100    
101    checkpoint52d_post
102    o re-tiled many expts to allow comparison in multi-processor mode
103      - updated output accordingly
104      - changed hs94.128x64x5 to use intial T from file rather than use the
105        random number generator
106    o add infrastructure in model routines for fizhi and gridalt packages
107    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
108    o changes to permit hi-res, cubed-sphere, configuration
109      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
110      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
111      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
112        of surface winds for the cube
113      (A verification experiment, based on global_ocean.cs32x15, but with
114       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
115       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
116       complete with example surface forcing files and matlab scripts to look
117       at the output and compare it with that of global_ocean.cs32x15.)
118    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
119       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
120       to conform to the common rule.
121    o check-in the first version of the coupler + interfaces for multi-components
122       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
123       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
124       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
125       - ocean and atmos. share the same horizontal grid (no interpolation).
126       - exchanges between component and coupler is done in forward_step
127    o new verification experiment, cpl_aim+ocn:
128       coupled ocean - AIM atmosphere on cs32 grid.
129    
130    checkpoint52d_pre
131    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
132    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
133    
134    checkpoint52c_post
135    o Fixing OPTIONS files for use of exf:
136      - ALLOW_ECCO not needed
137      - ECCO_CPPOPTIONS.h should not be included from
138        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
139        as has been the case in the past
140      - All cal/exf related options are currently set in
141        single header file. Should remain so until we
142        agree on a consistent new policy.
143    o Removed all CPP options for cal package.
144      cal has no more CPP options.
145    o modified STOREs in GAD_ADVECTION
146    o corrected key comp. for passkey
147    
148    checkpoint52b_post
149    o new version: "thsice" of thermodynamic sea-ice pkg:
150     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
151     - modify fluxes but do not change theta directly;
152     - light cleaning of bulk_force pkg (still needed with thsice).
153     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
154       + output_thsice.txt to test thsice & bulk_force pkgs.
155    o put back grid & coriolis monitor output.
156    checkpoint52b_pre
157    
158    o call "do_the_model_io" at the beginning (=> dump initial state)
159    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
160    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
161      (need info on NUMBER_OF_PTRACERS)
162    o missing PTRACERS headers in some routines
163    o default tamc.h in pkg/autodiff supposed to crash
164      to ensure proper customization
165    
166    checkpoint52a_post
167    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
168      - moved surfaceTendencyTice from pkg/seaice to main code
169      - subroutine FREEZE_SURFACE now limits only surface temperature
170        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
171        => new output.txt for global_ocean.cs32x15 & global_with_exf
172      - keep the old version of FREEZE for backward compatibility;
173        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
174      - corresponding modifs for TAF directives
175    o added surface flux output variables to TIMEAVE_STATVARS
176    o time-averaged output for pkg/ptracers
177    o fix problem with ECCO-related divided adjoint
178      snapshot file was missing some ad-variables,
179      but no warning issued by TAF
180    
181    checkpoint52a_pre
182    o some bug fixes for #undef REAL4_IS_SLOW
183    
184    checkpoint52 = ecco_c52_e35
185    o after testing adjoints of checkpoint51u_post
186    
187    checkpoint51u_post
188    o this is the post-merge tag of the ecco-branch
189      (needs another clean checkout and re-testing)
190    o various natl_box_adjoint configs and results
191      but no input fields
192    o obcs adjoint not yet merged!
193    o adding ECCO global 1x1 and 2x2 degree configs
194    o updated/extended some store directives for seaice
195    o pkg/ecco now containes ecco-specific part of cost function
196    o top level routines the_main_loop, forward_step
197      supersede those in model/src/
198      previous input data.cost now in data.ecco
199      (new namelist ecco_cost_nml)
200    o in ctrl/ cleaned some cross-dependencies and updated CPP options
201    
202    checkpoint51t_post
203    o this is the pre-merge tag of the ecco-branch
204    
205    checkpoint51s_post
206    o cleanup: removed various obsolete #define-s
207    o pkg/grdchk
208      - renamed 'ph-grd 3' to 'grad-res'
209      - merged from ecco-branch
210        (remaining bug fixes for obcs gradient checks)
211      - additional high-precision output for testreport
212        (grep for 'precision_grdchk_result')
213    
214    checkpoint51r_post
215    o cleaned up or removed CPP_OPTIONS.h files
216    o updated results for some of the tests to reflect the new
217      optfiles (-ieee: -O0 instead of -O3)
218    
219    checkpoint51q_post
220    o cd_code:
221      - moved cd_scheme.F -> cd_code_scheme.F
222      - separate read_checkpoint from cd_code_ini_vars.F
223      - separated cd_code part from write_checkpoint
224      - updated AD_SOURCE, generated .flow
225      - added CD_CODE_VARS.h to the_main_loop
226      - Moving cd_code specific store dir.s to pkg/cd_code
227    o ctrl package totally restructured
228      - pack/unpack now optional and decoupled from
229        xx_/adxx_ I/O
230      - ctrl_pack/unpack cleaned
231        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
232      - confined inclusion of AD_CONFIG.h to where necessary.
233    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
234    
235    checkpoint51p_post
236    o create initial cd_code package
237      - WARNING: the initialization of fields within packages
238        is broken because INI_FIELDS (where READ_CHECKPOINT is
239        called) is called *before* PACKAGES_INIT_VARIABLES.
240        This seems to be backwards since
241        1) its important to initially zero the entire field including
242           the "halo" region
243        2) zeroing needs to be done *before* reading pickup info
244           and the pickup call might or might not happen in any
245           particular run
246      - this needs an overhaul for R2
247    o cleanup verification/*/code/GMREDI_OPTIONS.h
248    o cleanup testreport
249    
250    checkpoint51o_post
251    o bringing AD-related verif's up to date with genmake2
252      - carbon/
253      - global_ocean.90x40x15/
254      - hs.94.1x64x5/
255      - (front_relax/ )
256    o (more) consistent directory structure for AD-related verif.'s
257    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
258    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
259    o bug fix in find_alpha.F for MDJWF:
260      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
261        change rho -> rho-rhoConst
262      - replace call find_rho to find_rhonum
263    o initialisation of rFlx extended to full array (required by TAF)
264      and shifted to thermodynamics
265    o removed PTRACERS.h in ptracers routine
266    o added surfacetendencyPtr to S/R parameter list pracers_forcing
267    o Correcting initialisations for fVerU, fVerV.
268    o helping TAF to recognize dependency on kUp for
269      fVerU, fVerV
270    o Replacing delZ by delR in pkg/ctrl/
271    checkpoint51o_pre
272    
273    o undid all of cp51 pending some cleanups and discussion
274    o added the [#include "AD_CONFIG.h"] statement to all files that need
275       it for adjoint/tl #defines
276     o re-worked the build logic in genmake2 to support AD_CONFIG.h
277     o removed tools/genmake since it no longer works
278    
279    checkpoint51n_post
280    o modifications to make FREEZE flux visible to pkg/kpp
281      - moved surfaceTendencyTice from pkg/seaice to main code
282      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
283      - subroutine FREEZE now limits only surface temperature
284        (this means new output.txt for global_ocean.90x40x15,
285         global_ocean.cs32x15, and global_with_exf)
286    o added surface flux output variables to TIMEAVE_STATVARS
287    
288    checkpoint51n_pre
289    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
290    o added [#include "AD_CONFIG.h"] to all files that use the following
291      defines:
292      - ALLOW_ADJOINT_RUN
293      - ALLOW_TANGENTLINEAR_RUN
294      - ALLOW_ECCO_OPTIMIZATION
295    
296    checkpoint51m_post
297    o incorporating changes to get TAMC/TAF working in genmake2
298      - added new TAMC/TAF targets to the Makefile
299      - various cleanups related to package handling
300      - these changes should have no impact on the forward model
301    
302    checkpoint51l_post
303    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
304     - faster algorithm for cal_addtime.F
305     - higher precision arithmetic, where needed
306     - pkg/exf *startdate variables changed from calendar date to
307       model integration time
308    
309    checkpoint51l_pre
310    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
311    o enable to apply restoring on S & T only in a latitude band.
312    o update output (external_forcing_surf modif. change truncation errors)
313       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
314    
315    checkpoint51k_post
316    o change default to: useNHMTerms=.FALSE.
317     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
318       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
319     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
320        exp1, ideal_2D_oce
321     - change data file of oceanic exp (leave the results unchanged for now)
322       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
323    o set gravitySign automatically according to the vertical coordinate used
324      (and change sign: back to "logical" value: +1 when R increases downward)
325    o added an include barrier to the default CPP_OPTIONS.h and
326      removed the #include "PACKAGES_CONFIG.h" from it
327    o fix a bug in mom_fluxform (from chk51j_post)
328    
329    checkpoint51j_post
330    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
331    o adjusted some flow directives (dynamics, thermodynamics)
332    o added cubed-sphere case to test cost function
333    o heckpoint_lev?_directives.h now include
334      pkg-specific directives, whenever those are enabled.
335    o Moving pkg-specific flow directives to corresponding pkg
336      Moving pkg-specific differentiation list to corresponding pkg
337      Moving pkg-specific checkpoint-lev storing to corresponding pkg
338      ---> conventions are
339           - pkg_ad.flow
340           - pkg_ad_diff.list
341           - pkg_ad_check_lev?_dir.h
342    
343    checkpoint51i_post
344    o merge of the branch-genmake2
345      - knowingly breaks the older genmake
346      - automatic generation of all ALLOW_${PKG_NAME} defines
347      - new testreport supersedes older testscript
348    o large number of package inclusion and header cleanups
349    checkpoint51i_pre
350    
351    o new output for adjoin of global ocean vector invariant
352    o fix for checkpoint of thermodynamic seaice and bulk_force
353    o Steph gchem various cleanups
354    
355    checkpoint 51h_pre
356    o fixed some single quotes
357    o modify gchem pkg to be more versatile
358    o modifications to clean up dic pkg
359    o add pkg/cfc
360    
361    checkpoint51g_post
362    o provide links for ARPACK and ADM*TLM
363    o start removing verification/vero/
364    o update AD-related stuff
365      (in particular some IF-statements in model/src/ routines)
366    o adding to verification/global_ocean.90x40x15/ adjoint of
367      vector invariant setup
368    
369    checkpoint51f_post
370    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
371    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
372      of tracer Green's fucntions for ocean inversion project.
373    
374    checkpoint51f_pre
375    o Added on-the-fly spatial interpolation capability
376        "USE_EXF_INTERPOLATION" to pkg/exf.
377      - This is a temporary Cartesian-grid hack until
378        the super-duper ESMF coupler becomes available.
379      - See verification/global_with_exf/README for usage example.
380      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
381        flags and modified pkg/seaice accordingly.
382    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
383        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
384        non-local transport term.
385    
386    checkpoint51e_post
387    o pkg/mom_vecinv:
388      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
389      - add time-ave diagnostic of vorticity advection.
390    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
391    o atmospheric geopotential: - include water vapor effect;
392                                - use p^kappa in p* scaling.
393    o land pkg: read initial state from files.
394    o AIM : add stratospheric drag in the upper level
395    
396    checkpoint51d_post
397    o change function ILNBLNK (=> last non-blank char.) to return zero
398      (instead of the string length) when the string. char is empty
399    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
400    o modif's to restore TAMC compatibility
401      - avoid "_d" constructs in PARAMETER declarations
402      - avoid interrupting lines by comment lines
403    o Use cluster local disks for purely local I/O
404      vs. globally visible disks needed for ctrl stuff
405      (merged from ecco-branch)
406      - new active_file_loc... and mdsio_..._loc routines
407      - affected packages: autodiff, ctrl, grdchk, mdsio
408    
409    checkpoint51c_post
410    o introducing integer flag debugLevel
411      - debLevZero: suppress all output
412      - debLevA: standard
413      - debLevB: equivalent to current debugMode=.TRUE.
414    o introducing pathname variable mdsioLocalDir for mdsio
415      that can be specified at runtime
416      (relevant for cluster I/O to local disk)
417    `
418    >>>checkpoint51b_post
419    adjoint of ptracers
420    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
421    o extended state in checkpoint_lev?, etc.
422    o alternative ctrl/cost with tr1 or ptracer
423    o new comlev1_bibj_ptracers
424    o new ptracers.flow
425    o made ptracers_forcing same as external_forcing_s
426    o added verification for adjoint with ptracers
427      - adm. grdchk fail so far
428      - tlm. grdchk OK
429      - checked tapelev/comlev recomputations: OK
430    <<<checkpoint51b_pre
431    
432    checkpoint51a_post
433    o added code for biogeochemistry package
434      - new pkgs: dic, gchem
435      - new subroutine in ptracers
436    o modify code for biogeo packages
437      - in model/src and pkg/ptracers
438    
439    checkpoint51
440    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
441      - autodiff, ctrl, exf, grdchk, seaice
442      kept separate packages
443      - cost, ecco, obcs
444    o updating verification/internal_wave, verification/lab_sea
445      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
446    
447    checkpoint50i_post
448    o Preparing next differentiable checkpoint and sync
449      of MAIN vs. ecco-branch
450      - 1st step: this one is differentiable
451      - 2nd step: next(! not this) checkpoint will have updated packages
452                  from ecco-branch)
453    
454    checkpoint50h_post
455    o new package "land": provide surface BC for AIM.
456    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
457    o AIM: use true log-P extrapolation for near surface temp (= as in
458        F.Molteni paper) ; update aim.5l_cs output.
459    o New variable in PARM03 for more flexible pickups
460    o somewhat cleaned package initialisation sequence for
461      ctrl/ cost/ ecco/ in packages_... routines
462    
463    checkpoint50g_post
464    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
465      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
466      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
467        made the default because of faster convergence than ADI
468    
469    checkpoint50f_post
470    o exf totally restructured
471      - replaced all exf_set_ routines by one generic exf_set_gen.F
472        and made sure it's still differentiable
473      - split exf_getffields.F into new exf_bulkformulae.F
474      - exf_inscal_/exf_outscal_ suffixes consistent with field names
475      - updated adjoint/makefile and relevant verif. accordingly
476    
477    checkpoint50f_pre
478     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
479          + change Evap over land. (update aim.5l_cs output)
480     o added missing .cvsignores and made uniform across expts
481     o changed configuration of tidal_basin_2d expt
482     o added pkg/debug functions for tracing code in fatal crashes
483     o tidied pkg/monitor to use MONITOR_OPTIONS.h
484     o new fn in pkg/monitor to stop model if solution grows too big
485     o removed lots of single quotes from comments
486    
487    checkpoint50e_post
488    o make KPP work with PTRACERS
489     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
490       nearly a copy of kpp_transport_s
491     - there is no analogue to SurfaceTendencyS, so I have to use
492       gPtr(of the surface layer) instead
493    o add a new platform SunFire+mpi (SunFire 15000) to genmake
494    checkpoint50e_pre
495    
496    checkpoint50d_post
497    o change kpp output from multiple-record state files to single-record state
498      files analogous to write_state.F
499    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
500      analogous to the cg2d-related output.
501    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
502      so that writing to internal file fn (with length 512) fails.
503    checkpoint50d_pre
504    
505    checkpoint50c_post
506    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
507    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
508    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
509    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
510    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
511    
512    checkpoint50c_pre
513    Merging from release1_p13:
514    o bug fix for pkg/seaice dynamic solver
515    o Added SEAICE_initialHEFF to pkg/seaice
516    
517    checkpoint50b_post
518    o store u*,v* in gU,V instead of in guNm1,gvNm1
519    o in order to put the momForcing out of the Adams-Bashforth:
520      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
521      to timestep.F
522    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
523    o re-generate output for highly sensitive test-exp:
524       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
525    
526    checkpoint50b_pre
527    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
528    o corrected CPP option mismatch in exf_Bulk... functions for case
529      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
530    
531    checkpoint50a_post
532    o Bug fix for merging between c50 and KPP.
533      ikey was passed from thermodynamics to kpp_calc via
534      common block rather than being recomputed in kpp_calc,
535      in contradiction with new key itdkey.
536      New key ikppkey created, and tamc.h headers updated.
537    
538    checkpoint50
539    - 2nd step of merge with ecco-branch:
540      merge changes in ecco-branch back into main trunk
541    - bug fix in find_alpha
542    - more storing in gmredi_calc_tensor.F, kpp_routines.F
543    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
544    - merged some sliced AD support routines
545    
546  checkpoint49  checkpoint49
547    merged from ecco-branch:
548    o exf:
549      - Enable initialisation of forcing fields to constant
550        (runtime) values.
551      - in exf_getffields.F
552        Reduce i-/j-loop to interior domain, discarding overlaps.
553        That also fixes wrong TAF-key computations for key_1, key_2
554        with bulf formulae.
555      - exf_init.F modify #ifdef for exf_init_evap
556      - exf_getffieldrec.F, ctrl_getrec.F
557        The following INT-usages are not safe:
558          fldsecs  = int(fldsecs/fldperiod)*fldperiod
559          fldcount = int(fldsecs/fldperiod) + 1
560        and were modified.
561    o autodiff: checkpoint_lev...
562      - updated storing for bulk formulae (some arrays were missing)
563      - added state for seaice package
564      - synchronized with main branch
565    o DIVA:
566      Modif.s in
567      - the_main_loop.F
568      - the_model_main.F
569      and added cost_final_restore.F cost_final_store.F
570      o With these changes, it is possible to fully separate
571        the first forward run to compute the cost function (mdthe_main_loop)
572        and adjoint runs over individual DIVA intervals (adthe_main_loop)
573        into separate model executions.
574        This enables better tuning of DIVA to given queue sizes.
575      o Loss of cost function value in consecutive DIVA runs is
576        fixed by storing to 'costfinal' file.
577      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
578        beginning/end of adjoint integration is accounted for.
579      The current changes apply to TAF-1.4.26.
580      TAF has one remaining bug, requiring one manual change
581      (see MITgcm manual).
582    o cal: synchronized between MAIN and ecco-branch
583    
584    checkpoint48i_post
585  o Changes to restore differentiability of code w.r.t. previous tag  o Changes to restore differentiability of code w.r.t. previous tag
586    (mostly adding new routines to make list and replacing    (mostly adding new routines to make list and replacing
587    pressure by totPhiHyd).    pressure by totPhiHyd).

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