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revision 1.141 by heimbach, Fri Feb 28 05:21:22 2003 UTC revision 1.259 by jmc, Mon Feb 23 21:00:05 2004 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    o aim.5l_cs: modify sea-ice fraction input file ; update output
6    
7    checkpoint52k_post
8    o removed top-level directory "diags"
9      - we migrated these functions to pkg/timeave a long time ago
10    o fixed bug introduced in pkg/monitor
11    o accuracy ctrlprec = 32 insuffient for gradient checks using
12      averaged fields (I/O via cost_averages)
13      -> use ctrl.h in active_file*.F to control I/O precision.
14    o paramter list of CALL ADTHE_MAIN_LOOP
15    o added initial do_the_model_io to ecco
16    o set all ...Freq to zero after cost_final
17      taveFreq, dumpFreq, pChkptFreq
18    o MAIN and ECCO differentiability restored
19    
20    checkpoint52j_post
21    o fix nchklev in tamc.h for global_ocean...
22    o Bringing flow and store directives up-to-date
23    o Really weird thing!
24      call do_the_model_io from the_main_loop with parameters
25      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
26      TAF places a faulty re-call of initialise_varia
27      after cost_final call which should not be there!
28    checkpoint52j_pre
29    
30    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
31      error messages
32    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
33    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
34      debug output
35    o modfied mdsio_writefield.F to handle non-global files under exch2
36    o update AIM Cubed-Sphere exp (aim.5l_cs):
37      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
38    o update AIM Equatorial Channel exp:
39      use standard aim_v23 pkg and change the SST fields to be more realistic.
40    o globalFile now works with exch2
41    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
42      mon_vort3.F to make exch2 friendly with >1 tile per cube face
43    o limit timeave output for hi-res integrations
44    
45    checkpoint52i_post
46    o removed CPP_EEOPTIONS.h from verification/*/code
47    o updated the tiling for global_ocean_pressure
48    checkpoint52i_pre
49    
50    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
51      the old pkg/aim).
52    
53    checkpoint52h_pre
54    o shortened offending lines in exch2_send_rx?.template
55    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
56    o genmake2: add build & execute test for NetCDF code
57    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
58      old grid files, moved CPP_EEMACROS.h to pkg/exch2
59    o added useSingleCPUIO flag to monitor.F and mon_out.F
60    o added temporary hack for sea-ice dynamics on the cube:
61      metric terms are ignored and it is assumed that
62      there is no sea-ice on cube faces 1, 2, 4, and 5.
63    
64    checkpoint52f_post
65    o added exch2 cube routines to pkg/exch2
66    o modified hs94.cs-32x32x5 to use it
67    o added new grid files to hs94.cs-32x32x5
68    checkpoint52f_pre
69    
70    checkpoint52e_post
71    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
72      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
73    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
74      to work with implicit vertical advection and AB ;
75    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
76    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
77     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
78    checkpoint52e_pre
79    
80    o fix bug in impldiff when Nr=1 or Nr=2.
81    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
82    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
83    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
84      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
85    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
86    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
87    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
88    
89    checkpoint52d_post
90    o re-tiled many expts to allow comparison in multi-processor mode
91      - updated output accordingly
92      - changed hs94.128x64x5 to use intial T from file rather than use the
93        random number generator
94    o add infrastructure in model routines for fizhi and gridalt packages
95    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
96    o changes to permit hi-res, cubed-sphere, configuration
97      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
98      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
99      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
100        of surface winds for the cube
101      (A verification experiment, based on global_ocean.cs32x15, but with
102       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
103       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
104       complete with example surface forcing files and matlab scripts to look
105       at the output and compare it with that of global_ocean.cs32x15.)
106    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
107       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
108       to conform to the common rule.
109    o check-in the first version of the coupler + interfaces for multi-components
110       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
111       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
112       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
113       - ocean and atmos. share the same horizontal grid (no interpolation).
114       - exchanges between component and coupler is done in forward_step
115    o new verification experiment, cpl_aim+ocn:
116       coupled ocean - AIM atmosphere on cs32 grid.
117    
118    checkpoint52d_pre
119    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
120    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
121    
122    checkpoint52c_post
123    o Fixing OPTIONS files for use of exf:
124      - ALLOW_ECCO not needed
125      - ECCO_CPPOPTIONS.h should not be included from
126        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
127        as has been the case in the past
128      - All cal/exf related options are currently set in
129        single header file. Should remain so until we
130        agree on a consistent new policy.
131    o Removed all CPP options for cal package.
132      cal has no more CPP options.
133    o modified STOREs in GAD_ADVECTION
134    o corrected key comp. for passkey
135    
136    checkpoint52b_post
137    o new version: "thsice" of thermodynamic sea-ice pkg:
138     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
139     - modify fluxes but do not change theta directly;
140     - light cleaning of bulk_force pkg (still needed with thsice).
141     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
142       + output_thsice.txt to test thsice & bulk_force pkgs.
143    o put back grid & coriolis monitor output.
144    checkpoint52b_pre
145    
146    o call "do_the_model_io" at the beginning (=> dump initial state)
147    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
148    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
149      (need info on NUMBER_OF_PTRACERS)
150    o missing PTRACERS headers in some routines
151    o default tamc.h in pkg/autodiff supposed to crash
152      to ensure proper customization
153    
154    checkpoint52a_post
155    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
156      - moved surfaceTendencyTice from pkg/seaice to main code
157      - subroutine FREEZE_SURFACE now limits only surface temperature
158        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
159        => new output.txt for global_ocean.cs32x15 & global_with_exf
160      - keep the old version of FREEZE for backward compatibility;
161        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
162      - corresponding modifs for TAF directives
163    o added surface flux output variables to TIMEAVE_STATVARS
164    o time-averaged output for pkg/ptracers
165    o fix problem with ECCO-related divided adjoint
166      snapshot file was missing some ad-variables,
167      but no warning issued by TAF
168    
169    checkpoint52a_pre
170    o some bug fixes for #undef REAL4_IS_SLOW
171    
172    checkpoint52 = ecco_c52_e35
173    o after testing adjoints of checkpoint51u_post
174    
175    checkpoint51u_post
176    o this is the post-merge tag of the ecco-branch
177      (needs another clean checkout and re-testing)
178    o various natl_box_adjoint configs and results
179      but no input fields
180    o obcs adjoint not yet merged!
181    o adding ECCO global 1x1 and 2x2 degree configs
182    o updated/extended some store directives for seaice
183    o pkg/ecco now containes ecco-specific part of cost function
184    o top level routines the_main_loop, forward_step
185      supersede those in model/src/
186      previous input data.cost now in data.ecco
187      (new namelist ecco_cost_nml)
188    o in ctrl/ cleaned some cross-dependencies and updated CPP options
189    
190    checkpoint51t_post
191    o this is the pre-merge tag of the ecco-branch
192    
193    checkpoint51s_post
194    o cleanup: removed various obsolete #define-s
195    o pkg/grdchk
196      - renamed 'ph-grd 3' to 'grad-res'
197      - merged from ecco-branch
198        (remaining bug fixes for obcs gradient checks)
199      - additional high-precision output for testreport
200        (grep for 'precision_grdchk_result')
201    
202    checkpoint51r_post
203    o cleaned up or removed CPP_OPTIONS.h files
204    o updated results for some of the tests to reflect the new
205      optfiles (-ieee: -O0 instead of -O3)
206    
207    checkpoint51q_post
208    o cd_code:
209      - moved cd_scheme.F -> cd_code_scheme.F
210      - separate read_checkpoint from cd_code_ini_vars.F
211      - separated cd_code part from write_checkpoint
212      - updated AD_SOURCE, generated .flow
213      - added CD_CODE_VARS.h to the_main_loop
214      - Moving cd_code specific store dir.s to pkg/cd_code
215    o ctrl package totally restructured
216      - pack/unpack now optional and decoupled from
217        xx_/adxx_ I/O
218      - ctrl_pack/unpack cleaned
219        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
220      - confined inclusion of AD_CONFIG.h to where necessary.
221    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
222    
223    checkpoint51p_post
224    o create initial cd_code package
225      - WARNING: the initialization of fields within packages
226        is broken because INI_FIELDS (where READ_CHECKPOINT is
227        called) is called *before* PACKAGES_INIT_VARIABLES.
228        This seems to be backwards since
229        1) its important to initially zero the entire field including
230           the "halo" region
231        2) zeroing needs to be done *before* reading pickup info
232           and the pickup call might or might not happen in any
233           particular run
234      - this needs an overhaul for R2
235    o cleanup verification/*/code/GMREDI_OPTIONS.h
236    o cleanup testreport
237    
238    checkpoint51o_post
239    o bringing AD-related verif's up to date with genmake2
240      - carbon/
241      - global_ocean.90x40x15/
242      - hs.94.1x64x5/
243      - (front_relax/ )
244    o (more) consistent directory structure for AD-related verif.'s
245    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
246    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
247    o bug fix in find_alpha.F for MDJWF:
248      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
249        change rho -> rho-rhoConst
250      - replace call find_rho to find_rhonum
251    o initialisation of rFlx extended to full array (required by TAF)
252      and shifted to thermodynamics
253    o removed PTRACERS.h in ptracers routine
254    o added surfacetendencyPtr to S/R parameter list pracers_forcing
255    o Correcting initialisations for fVerU, fVerV.
256    o helping TAF to recognize dependency on kUp for
257      fVerU, fVerV
258    o Replacing delZ by delR in pkg/ctrl/
259    checkpoint51o_pre
260    
261    o undid all of cp51 pending some cleanups and discussion
262    o added the [#include "AD_CONFIG.h"] statement to all files that need
263       it for adjoint/tl #defines
264     o re-worked the build logic in genmake2 to support AD_CONFIG.h
265     o removed tools/genmake since it no longer works
266    
267    checkpoint51n_post
268    o modifications to make FREEZE flux visible to pkg/kpp
269      - moved surfaceTendencyTice from pkg/seaice to main code
270      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
271      - subroutine FREEZE now limits only surface temperature
272        (this means new output.txt for global_ocean.90x40x15,
273         global_ocean.cs32x15, and global_with_exf)
274    o added surface flux output variables to TIMEAVE_STATVARS
275    
276    checkpoint51n_pre
277    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
278    o added [#include "AD_CONFIG.h"] to all files that use the following
279      defines:
280      - ALLOW_ADJOINT_RUN
281      - ALLOW_TANGENTLINEAR_RUN
282      - ALLOW_ECCO_OPTIMIZATION
283    
284    checkpoint51m_post
285    o incorporating changes to get TAMC/TAF working in genmake2
286      - added new TAMC/TAF targets to the Makefile
287      - various cleanups related to package handling
288      - these changes should have no impact on the forward model
289    
290    checkpoint51l_post
291    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
292     - faster algorithm for cal_addtime.F
293     - higher precision arithmetic, where needed
294     - pkg/exf *startdate variables changed from calendar date to
295       model integration time
296    
297    checkpoint51l_pre
298    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
299    o enable to apply restoring on S & T only in a latitude band.
300    o update output (external_forcing_surf modif. change truncation errors)
301       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
302    
303    checkpoint51k_post
304    o change default to: useNHMTerms=.FALSE.
305     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
306       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
307     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
308        exp1, ideal_2D_oce
309     - change data file of oceanic exp (leave the results unchanged for now)
310       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
311    o set gravitySign automatically according to the vertical coordinate used
312      (and change sign: back to "logical" value: +1 when R increases downward)
313    o added an include barrier to the default CPP_OPTIONS.h and
314      removed the #include "PACKAGES_CONFIG.h" from it
315    o fix a bug in mom_fluxform (from chk51j_post)
316    
317    checkpoint51j_post
318    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
319    o adjusted some flow directives (dynamics, thermodynamics)
320    o added cubed-sphere case to test cost function
321    o heckpoint_lev?_directives.h now include
322      pkg-specific directives, whenever those are enabled.
323    o Moving pkg-specific flow directives to corresponding pkg
324      Moving pkg-specific differentiation list to corresponding pkg
325      Moving pkg-specific checkpoint-lev storing to corresponding pkg
326      ---> conventions are
327           - pkg_ad.flow
328           - pkg_ad_diff.list
329           - pkg_ad_check_lev?_dir.h
330    
331    checkpoint51i_post
332    o merge of the branch-genmake2
333      - knowingly breaks the older genmake
334      - automatic generation of all ALLOW_${PKG_NAME} defines
335      - new testreport supersedes older testscript
336    o large number of package inclusion and header cleanups
337    checkpoint51i_pre
338    
339    o new output for adjoin of global ocean vector invariant
340    o fix for checkpoint of thermodynamic seaice and bulk_force
341    o Steph gchem various cleanups
342    
343    checkpoint 51h_pre
344    o fixed some single quotes
345    o modify gchem pkg to be more versatile
346    o modifications to clean up dic pkg
347    o add pkg/cfc
348    
349    checkpoint51g_post
350    o provide links for ARPACK and ADM*TLM
351    o start removing verification/vero/
352    o update AD-related stuff
353      (in particular some IF-statements in model/src/ routines)
354    o adding to verification/global_ocean.90x40x15/ adjoint of
355      vector invariant setup
356    
357    checkpoint51f_post
358    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
359    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
360      of tracer Green's fucntions for ocean inversion project.
361    
362    checkpoint51f_pre
363    o Added on-the-fly spatial interpolation capability
364        "USE_EXF_INTERPOLATION" to pkg/exf.
365      - This is a temporary Cartesian-grid hack until
366        the super-duper ESMF coupler becomes available.
367      - See verification/global_with_exf/README for usage example.
368      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
369        flags and modified pkg/seaice accordingly.
370    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
371        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
372        non-local transport term.
373    
374    checkpoint51e_post
375    o pkg/mom_vecinv:
376      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
377      - add time-ave diagnostic of vorticity advection.
378    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
379    o atmospheric geopotential: - include water vapor effect;
380                                - use p^kappa in p* scaling.
381    o land pkg: read initial state from files.
382    o AIM : add stratospheric drag in the upper level
383    
384    checkpoint51d_post
385    o change function ILNBLNK (=> last non-blank char.) to return zero
386      (instead of the string length) when the string. char is empty
387    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
388    o modif's to restore TAMC compatibility
389      - avoid "_d" constructs in PARAMETER declarations
390      - avoid interrupting lines by comment lines
391    o Use cluster local disks for purely local I/O
392      vs. globally visible disks needed for ctrl stuff
393      (merged from ecco-branch)
394      - new active_file_loc... and mdsio_..._loc routines
395      - affected packages: autodiff, ctrl, grdchk, mdsio
396    
397    checkpoint51c_post
398    o introducing integer flag debugLevel
399      - debLevZero: suppress all output
400      - debLevA: standard
401      - debLevB: equivalent to current debugMode=.TRUE.
402    o introducing pathname variable mdsioLocalDir for mdsio
403      that can be specified at runtime
404      (relevant for cluster I/O to local disk)
405    `
406    >>>checkpoint51b_post
407    adjoint of ptracers
408    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
409    o extended state in checkpoint_lev?, etc.
410    o alternative ctrl/cost with tr1 or ptracer
411    o new comlev1_bibj_ptracers
412    o new ptracers.flow
413    o made ptracers_forcing same as external_forcing_s
414    o added verification for adjoint with ptracers
415      - adm. grdchk fail so far
416      - tlm. grdchk OK
417      - checked tapelev/comlev recomputations: OK
418    <<<checkpoint51b_pre
419    
420    checkpoint51a_post
421    o added code for biogeochemistry package
422      - new pkgs: dic, gchem
423      - new subroutine in ptracers
424    o modify code for biogeo packages
425      - in model/src and pkg/ptracers
426    
427    checkpoint51
428    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
429      - autodiff, ctrl, exf, grdchk, seaice
430      kept separate packages
431      - cost, ecco, obcs
432    o updating verification/internal_wave, verification/lab_sea
433      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
434    
435    checkpoint50i_post
436    o Preparing next differentiable checkpoint and sync
437      of MAIN vs. ecco-branch
438      - 1st step: this one is differentiable
439      - 2nd step: next(! not this) checkpoint will have updated packages
440                  from ecco-branch)
441    
442    checkpoint50h_post
443    o new package "land": provide surface BC for AIM.
444    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
445    o AIM: use true log-P extrapolation for near surface temp (= as in
446        F.Molteni paper) ; update aim.5l_cs output.
447    o New variable in PARM03 for more flexible pickups
448    o somewhat cleaned package initialisation sequence for
449      ctrl/ cost/ ecco/ in packages_... routines
450    
451    checkpoint50g_post
452    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
453      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
454      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
455        made the default because of faster convergence than ADI
456    
457    checkpoint50f_post
458    o exf totally restructured
459      - replaced all exf_set_ routines by one generic exf_set_gen.F
460        and made sure it's still differentiable
461      - split exf_getffields.F into new exf_bulkformulae.F
462      - exf_inscal_/exf_outscal_ suffixes consistent with field names
463      - updated adjoint/makefile and relevant verif. accordingly
464    
465    checkpoint50f_pre
466     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
467          + change Evap over land. (update aim.5l_cs output)
468     o added missing .cvsignores and made uniform across expts
469     o changed configuration of tidal_basin_2d expt
470     o added pkg/debug functions for tracing code in fatal crashes
471     o tidied pkg/monitor to use MONITOR_OPTIONS.h
472     o new fn in pkg/monitor to stop model if solution grows too big
473     o removed lots of single quotes from comments
474    
475    checkpoint50e_post
476    o make KPP work with PTRACERS
477     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
478       nearly a copy of kpp_transport_s
479     - there is no analogue to SurfaceTendencyS, so I have to use
480       gPtr(of the surface layer) instead
481    o add a new platform SunFire+mpi (SunFire 15000) to genmake
482    checkpoint50e_pre
483    
484    checkpoint50d_post
485    o change kpp output from multiple-record state files to single-record state
486      files analogous to write_state.F
487    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
488      analogous to the cg2d-related output.
489    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
490      so that writing to internal file fn (with length 512) fails.
491    checkpoint50d_pre
492    
493    checkpoint50c_post
494    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
495    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
496    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
497    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
498    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
499    
500    checkpoint50c_pre
501    Merging from release1_p13:
502    o bug fix for pkg/seaice dynamic solver
503    o Added SEAICE_initialHEFF to pkg/seaice
504    
505    checkpoint50b_post
506    o store u*,v* in gU,V instead of in guNm1,gvNm1
507    o in order to put the momForcing out of the Adams-Bashforth:
508      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
509      to timestep.F
510    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
511    o re-generate output for highly sensitive test-exp:
512       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
513    
514    checkpoint50b_pre
515    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
516    o corrected CPP option mismatch in exf_Bulk... functions for case
517      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
518    
519    checkpoint50a_post
520    o Bug fix for merging between c50 and KPP.
521      ikey was passed from thermodynamics to kpp_calc via
522      common block rather than being recomputed in kpp_calc,
523      in contradiction with new key itdkey.
524      New key ikppkey created, and tamc.h headers updated.
525    
526    checkpoint50
527    - 2nd step of merge with ecco-branch:
528      merge changes in ecco-branch back into main trunk
529    - bug fix in find_alpha
530    - more storing in gmredi_calc_tensor.F, kpp_routines.F
531    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
532    - merged some sliced AD support routines
533    
534  checkpoint49  checkpoint49
535    merged from ecco-branch:
536    o exf:
537      - Enable initialisation of forcing fields to constant
538        (runtime) values.
539      - in exf_getffields.F
540        Reduce i-/j-loop to interior domain, discarding overlaps.
541        That also fixes wrong TAF-key computations for key_1, key_2
542        with bulf formulae.
543      - exf_init.F modify #ifdef for exf_init_evap
544      - exf_getffieldrec.F, ctrl_getrec.F
545        The following INT-usages are not safe:
546          fldsecs  = int(fldsecs/fldperiod)*fldperiod
547          fldcount = int(fldsecs/fldperiod) + 1
548        and were modified.
549    o autodiff: checkpoint_lev...
550      - updated storing for bulk formulae (some arrays were missing)
551      - added state for seaice package
552      - synchronized with main branch
553    o DIVA:
554      Modif.s in
555      - the_main_loop.F
556      - the_model_main.F
557      and added cost_final_restore.F cost_final_store.F
558      o With these changes, it is possible to fully separate
559        the first forward run to compute the cost function (mdthe_main_loop)
560        and adjoint runs over individual DIVA intervals (adthe_main_loop)
561        into separate model executions.
562        This enables better tuning of DIVA to given queue sizes.
563      o Loss of cost function value in consecutive DIVA runs is
564        fixed by storing to 'costfinal' file.
565      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
566        beginning/end of adjoint integration is accounted for.
567      The current changes apply to TAF-1.4.26.
568      TAF has one remaining bug, requiring one manual change
569      (see MITgcm manual).
570    o cal: synchronized between MAIN and ecco-branch
571    
572    checkpoint48i_post
573  o Changes to restore differentiability of code w.r.t. previous tag  o Changes to restore differentiability of code w.r.t. previous tag
574    (mostly adding new routines to make list and replacing    (mostly adding new routines to make list and replacing
575    pressure by totPhiHyd).    pressure by totPhiHyd).

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