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revision 1.141 by heimbach, Fri Feb 28 05:21:22 2003 UTC revision 1.275 by jmc, Thu Apr 8 00:25:10 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
7      atmospheric model (AIM) to use it ; add a "slab ocean" component.
8    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
9    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
10    o extending useSingleCpuIO option to work with new exch2 I/O format
11      - old-style, missing-tile I/O is still accessible by defining CPP
12        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
13    o monitor package can write to NetCDF files and/or STDOUT
14    o fix re-definition bug in MNC_GRID_INIT_ALL()
15    o doc/api_reference added
16      - a framework for building an API Reference Manual using all
17        the "protex" comments embedded in the code
18      - see pkg/generic_advdiff, pkg/mnc for examples
19    o MNC:
20      - make myThid the last argument for all subroutines
21      - new default for the grid files: NO halos
22      - add useMNC and other run-time flags
23      - separate per-file-group handling of the unlimited dimension
24      - early initialization of MNC w/ flags read at the eeboot stage
25        and lookup tables set in initialize_fixed
26      - write all MNC output to a freshly-created directory
27    o thermodynamics sea-ice (thsice) is now tested with testreport.
28    o test exp. advect_cs: use the standard cs32 grid ; update output.
29    o Added functionality to grdchk:
30      pick global i,j,k position (or nearest wet) where to perform check.
31    
32    checkpoint52l_post
33    o new land formulation:
34      a) use ground enthalpy as prognostic variable to ensure exact
35         energy conservation.
36      b) account for water temperature and for latent heat of freezing
37         in all processes (rain, run-off, ground storage)
38      c) compute surface and ground temperature implicitly.
39    o aim_v23 modification for new land model:
40      a) Treat separately land / ocean / sea-ice surface fluxes
41         to allow implicit computation of land & sea-ice surface temp.
42      b) add snow precipitation.
43    checkpoint52l_pre
44    
45    o fix problem (when 1 tile is empty) in min/max monitor.
46    o fix bug in timeAve (u,vZetatave in common block)
47    o no restoring terms under ice for pkg/seaice
48    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
49    o bug fix for pkg/seaice pickups
50    o change MNC call locations and add coordinate attributes
51    o mask vorticity at the corner ; affects global_ocean.cs output
52    o fix ini_curvilinear_grid ; test CS experiments with mpi
53    o aim.5l_cs: modify sea-ice fraction input file ; update output
54    o exf: Adding simple range check routine for exf fields after read
55    
56    checkpoint52k_post
57    o removed top-level directory "diags"
58      - we migrated these functions to pkg/timeave a long time ago
59    o fixed bug introduced in pkg/monitor
60    o accuracy ctrlprec = 32 insuffient for gradient checks using
61      averaged fields (I/O via cost_averages)
62      -> use ctrl.h in active_file*.F to control I/O precision.
63    o paramter list of CALL ADTHE_MAIN_LOOP
64    o added initial do_the_model_io to ecco
65    o set all ...Freq to zero after cost_final
66      taveFreq, dumpFreq, pChkptFreq
67    o MAIN and ECCO differentiability restored
68    
69    checkpoint52j_post
70    o fix nchklev in tamc.h for global_ocean...
71    o Bringing flow and store directives up-to-date
72    o Really weird thing!
73      call do_the_model_io from the_main_loop with parameters
74      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
75      TAF places a faulty re-call of initialise_varia
76      after cost_final call which should not be there!
77    checkpoint52j_pre
78    
79    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
80      error messages
81    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
82    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
83      debug output
84    o modfied mdsio_writefield.F to handle non-global files under exch2
85    o update AIM Cubed-Sphere exp (aim.5l_cs):
86      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
87    o update AIM Equatorial Channel exp:
88      use standard aim_v23 pkg and change the SST fields to be more realistic.
89    o globalFile now works with exch2
90    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
91      mon_vort3.F to make exch2 friendly with >1 tile per cube face
92    o limit timeave output for hi-res integrations
93    
94    checkpoint52i_post
95    o removed CPP_EEOPTIONS.h from verification/*/code
96    o updated the tiling for global_ocean_pressure
97    checkpoint52i_pre
98    
99    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
100      the old pkg/aim).
101    
102    checkpoint52h_pre
103    o shortened offending lines in exch2_send_rx?.template
104    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
105    o genmake2: add build & execute test for NetCDF code
106    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
107      old grid files, moved CPP_EEMACROS.h to pkg/exch2
108    o added useSingleCPUIO flag to monitor.F and mon_out.F
109    o added temporary hack for sea-ice dynamics on the cube:
110      metric terms are ignored and it is assumed that
111      there is no sea-ice on cube faces 1, 2, 4, and 5.
112    
113    checkpoint52f_post
114    o added exch2 cube routines to pkg/exch2
115    o modified hs94.cs-32x32x5 to use it
116    o added new grid files to hs94.cs-32x32x5
117    checkpoint52f_pre
118    
119    checkpoint52e_post
120    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
121      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
122    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
123      to work with implicit vertical advection and AB ;
124    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
125    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
126     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
127    checkpoint52e_pre
128    
129    o fix bug in impldiff when Nr=1 or Nr=2.
130    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
131    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
132    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
133      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
134    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
135    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
136    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
137    
138    checkpoint52d_post
139    o re-tiled many expts to allow comparison in multi-processor mode
140      - updated output accordingly
141      - changed hs94.128x64x5 to use intial T from file rather than use the
142        random number generator
143    o add infrastructure in model routines for fizhi and gridalt packages
144    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
145    o changes to permit hi-res, cubed-sphere, configuration
146      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
147      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
148      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
149        of surface winds for the cube
150      (A verification experiment, based on global_ocean.cs32x15, but with
151       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
152       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
153       complete with example surface forcing files and matlab scripts to look
154       at the output and compare it with that of global_ocean.cs32x15.)
155    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
156       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
157       to conform to the common rule.
158    o check-in the first version of the coupler + interfaces for multi-components
159       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
160       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
161       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
162       - ocean and atmos. share the same horizontal grid (no interpolation).
163       - exchanges between component and coupler is done in forward_step
164    o new verification experiment, cpl_aim+ocn:
165       coupled ocean - AIM atmosphere on cs32 grid.
166    
167    checkpoint52d_pre
168    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
169    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
170    
171    checkpoint52c_post
172    o Fixing OPTIONS files for use of exf:
173      - ALLOW_ECCO not needed
174      - ECCO_CPPOPTIONS.h should not be included from
175        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
176        as has been the case in the past
177      - All cal/exf related options are currently set in
178        single header file. Should remain so until we
179        agree on a consistent new policy.
180    o Removed all CPP options for cal package.
181      cal has no more CPP options.
182    o modified STOREs in GAD_ADVECTION
183    o corrected key comp. for passkey
184    
185    checkpoint52b_post
186    o new version: "thsice" of thermodynamic sea-ice pkg:
187     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
188     - modify fluxes but do not change theta directly;
189     - light cleaning of bulk_force pkg (still needed with thsice).
190     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
191       + output_thsice.txt to test thsice & bulk_force pkgs.
192    o put back grid & coriolis monitor output.
193    checkpoint52b_pre
194    
195    o call "do_the_model_io" at the beginning (=> dump initial state)
196    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
197    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
198      (need info on NUMBER_OF_PTRACERS)
199    o missing PTRACERS headers in some routines
200    o default tamc.h in pkg/autodiff supposed to crash
201      to ensure proper customization
202    
203    checkpoint52a_post
204    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
205      - moved surfaceTendencyTice from pkg/seaice to main code
206      - subroutine FREEZE_SURFACE now limits only surface temperature
207        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
208        => new output.txt for global_ocean.cs32x15 & global_with_exf
209      - keep the old version of FREEZE for backward compatibility;
210        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
211      - corresponding modifs for TAF directives
212    o added surface flux output variables to TIMEAVE_STATVARS
213    o time-averaged output for pkg/ptracers
214    o fix problem with ECCO-related divided adjoint
215      snapshot file was missing some ad-variables,
216      but no warning issued by TAF
217    
218    checkpoint52a_pre
219    o some bug fixes for #undef REAL4_IS_SLOW
220    
221    checkpoint52 = ecco_c52_e35
222    o after testing adjoints of checkpoint51u_post
223    
224    checkpoint51u_post
225    o this is the post-merge tag of the ecco-branch
226      (needs another clean checkout and re-testing)
227    o various natl_box_adjoint configs and results
228      but no input fields
229    o obcs adjoint not yet merged!
230    o adding ECCO global 1x1 and 2x2 degree configs
231    o updated/extended some store directives for seaice
232    o pkg/ecco now containes ecco-specific part of cost function
233    o top level routines the_main_loop, forward_step
234      supersede those in model/src/
235      previous input data.cost now in data.ecco
236      (new namelist ecco_cost_nml)
237    o in ctrl/ cleaned some cross-dependencies and updated CPP options
238    
239    checkpoint51t_post
240    o this is the pre-merge tag of the ecco-branch
241    
242    checkpoint51s_post
243    o cleanup: removed various obsolete #define-s
244    o pkg/grdchk
245      - renamed 'ph-grd 3' to 'grad-res'
246      - merged from ecco-branch
247        (remaining bug fixes for obcs gradient checks)
248      - additional high-precision output for testreport
249        (grep for 'precision_grdchk_result')
250    
251    checkpoint51r_post
252    o cleaned up or removed CPP_OPTIONS.h files
253    o updated results for some of the tests to reflect the new
254      optfiles (-ieee: -O0 instead of -O3)
255    
256    checkpoint51q_post
257    o cd_code:
258      - moved cd_scheme.F -> cd_code_scheme.F
259      - separate read_checkpoint from cd_code_ini_vars.F
260      - separated cd_code part from write_checkpoint
261      - updated AD_SOURCE, generated .flow
262      - added CD_CODE_VARS.h to the_main_loop
263      - Moving cd_code specific store dir.s to pkg/cd_code
264    o ctrl package totally restructured
265      - pack/unpack now optional and decoupled from
266        xx_/adxx_ I/O
267      - ctrl_pack/unpack cleaned
268        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
269      - confined inclusion of AD_CONFIG.h to where necessary.
270    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
271    
272    checkpoint51p_post
273    o create initial cd_code package
274      - WARNING: the initialization of fields within packages
275        is broken because INI_FIELDS (where READ_CHECKPOINT is
276        called) is called *before* PACKAGES_INIT_VARIABLES.
277        This seems to be backwards since
278        1) its important to initially zero the entire field including
279           the "halo" region
280        2) zeroing needs to be done *before* reading pickup info
281           and the pickup call might or might not happen in any
282           particular run
283      - this needs an overhaul for R2
284    o cleanup verification/*/code/GMREDI_OPTIONS.h
285    o cleanup testreport
286    
287    checkpoint51o_post
288    o bringing AD-related verif's up to date with genmake2
289      - carbon/
290      - global_ocean.90x40x15/
291      - hs.94.1x64x5/
292      - (front_relax/ )
293    o (more) consistent directory structure for AD-related verif.'s
294    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
295    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
296    o bug fix in find_alpha.F for MDJWF:
297      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
298        change rho -> rho-rhoConst
299      - replace call find_rho to find_rhonum
300    o initialisation of rFlx extended to full array (required by TAF)
301      and shifted to thermodynamics
302    o removed PTRACERS.h in ptracers routine
303    o added surfacetendencyPtr to S/R parameter list pracers_forcing
304    o Correcting initialisations for fVerU, fVerV.
305    o helping TAF to recognize dependency on kUp for
306      fVerU, fVerV
307    o Replacing delZ by delR in pkg/ctrl/
308    checkpoint51o_pre
309    
310    o undid all of cp51 pending some cleanups and discussion
311    o added the [#include "AD_CONFIG.h"] statement to all files that need
312       it for adjoint/tl #defines
313     o re-worked the build logic in genmake2 to support AD_CONFIG.h
314     o removed tools/genmake since it no longer works
315    
316    checkpoint51n_post
317    o modifications to make FREEZE flux visible to pkg/kpp
318      - moved surfaceTendencyTice from pkg/seaice to main code
319      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
320      - subroutine FREEZE now limits only surface temperature
321        (this means new output.txt for global_ocean.90x40x15,
322         global_ocean.cs32x15, and global_with_exf)
323    o added surface flux output variables to TIMEAVE_STATVARS
324    
325    checkpoint51n_pre
326    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
327    o added [#include "AD_CONFIG.h"] to all files that use the following
328      defines:
329      - ALLOW_ADJOINT_RUN
330      - ALLOW_TANGENTLINEAR_RUN
331      - ALLOW_ECCO_OPTIMIZATION
332    
333    checkpoint51m_post
334    o incorporating changes to get TAMC/TAF working in genmake2
335      - added new TAMC/TAF targets to the Makefile
336      - various cleanups related to package handling
337      - these changes should have no impact on the forward model
338    
339    checkpoint51l_post
340    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
341     - faster algorithm for cal_addtime.F
342     - higher precision arithmetic, where needed
343     - pkg/exf *startdate variables changed from calendar date to
344       model integration time
345    
346    checkpoint51l_pre
347    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
348    o enable to apply restoring on S & T only in a latitude band.
349    o update output (external_forcing_surf modif. change truncation errors)
350       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
351    
352    checkpoint51k_post
353    o change default to: useNHMTerms=.FALSE.
354     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
355       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
356     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
357        exp1, ideal_2D_oce
358     - change data file of oceanic exp (leave the results unchanged for now)
359       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
360    o set gravitySign automatically according to the vertical coordinate used
361      (and change sign: back to "logical" value: +1 when R increases downward)
362    o added an include barrier to the default CPP_OPTIONS.h and
363      removed the #include "PACKAGES_CONFIG.h" from it
364    o fix a bug in mom_fluxform (from chk51j_post)
365    
366    checkpoint51j_post
367    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
368    o adjusted some flow directives (dynamics, thermodynamics)
369    o added cubed-sphere case to test cost function
370    o heckpoint_lev?_directives.h now include
371      pkg-specific directives, whenever those are enabled.
372    o Moving pkg-specific flow directives to corresponding pkg
373      Moving pkg-specific differentiation list to corresponding pkg
374      Moving pkg-specific checkpoint-lev storing to corresponding pkg
375      ---> conventions are
376           - pkg_ad.flow
377           - pkg_ad_diff.list
378           - pkg_ad_check_lev?_dir.h
379    
380    checkpoint51i_post
381    o merge of the branch-genmake2
382      - knowingly breaks the older genmake
383      - automatic generation of all ALLOW_${PKG_NAME} defines
384      - new testreport supersedes older testscript
385    o large number of package inclusion and header cleanups
386    checkpoint51i_pre
387    
388    o new output for adjoin of global ocean vector invariant
389    o fix for checkpoint of thermodynamic seaice and bulk_force
390    o Steph gchem various cleanups
391    
392    checkpoint 51h_pre
393    o fixed some single quotes
394    o modify gchem pkg to be more versatile
395    o modifications to clean up dic pkg
396    o add pkg/cfc
397    
398    checkpoint51g_post
399    o provide links for ARPACK and ADM*TLM
400    o start removing verification/vero/
401    o update AD-related stuff
402      (in particular some IF-statements in model/src/ routines)
403    o adding to verification/global_ocean.90x40x15/ adjoint of
404      vector invariant setup
405    
406    checkpoint51f_post
407    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
408    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
409      of tracer Green's fucntions for ocean inversion project.
410    
411    checkpoint51f_pre
412    o Added on-the-fly spatial interpolation capability
413        "USE_EXF_INTERPOLATION" to pkg/exf.
414      - This is a temporary Cartesian-grid hack until
415        the super-duper ESMF coupler becomes available.
416      - See verification/global_with_exf/README for usage example.
417      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
418        flags and modified pkg/seaice accordingly.
419    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
420        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
421        non-local transport term.
422    
423    checkpoint51e_post
424    o pkg/mom_vecinv:
425      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
426      - add time-ave diagnostic of vorticity advection.
427    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
428    o atmospheric geopotential: - include water vapor effect;
429                                - use p^kappa in p* scaling.
430    o land pkg: read initial state from files.
431    o AIM : add stratospheric drag in the upper level
432    
433    checkpoint51d_post
434    o change function ILNBLNK (=> last non-blank char.) to return zero
435      (instead of the string length) when the string. char is empty
436    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
437    o modif's to restore TAMC compatibility
438      - avoid "_d" constructs in PARAMETER declarations
439      - avoid interrupting lines by comment lines
440    o Use cluster local disks for purely local I/O
441      vs. globally visible disks needed for ctrl stuff
442      (merged from ecco-branch)
443      - new active_file_loc... and mdsio_..._loc routines
444      - affected packages: autodiff, ctrl, grdchk, mdsio
445    
446    checkpoint51c_post
447    o introducing integer flag debugLevel
448      - debLevZero: suppress all output
449      - debLevA: standard
450      - debLevB: equivalent to current debugMode=.TRUE.
451    o introducing pathname variable mdsioLocalDir for mdsio
452      that can be specified at runtime
453      (relevant for cluster I/O to local disk)
454    `
455    >>>checkpoint51b_post
456    adjoint of ptracers
457    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
458    o extended state in checkpoint_lev?, etc.
459    o alternative ctrl/cost with tr1 or ptracer
460    o new comlev1_bibj_ptracers
461    o new ptracers.flow
462    o made ptracers_forcing same as external_forcing_s
463    o added verification for adjoint with ptracers
464      - adm. grdchk fail so far
465      - tlm. grdchk OK
466      - checked tapelev/comlev recomputations: OK
467    <<<checkpoint51b_pre
468    
469    checkpoint51a_post
470    o added code for biogeochemistry package
471      - new pkgs: dic, gchem
472      - new subroutine in ptracers
473    o modify code for biogeo packages
474      - in model/src and pkg/ptracers
475    
476    checkpoint51
477    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
478      - autodiff, ctrl, exf, grdchk, seaice
479      kept separate packages
480      - cost, ecco, obcs
481    o updating verification/internal_wave, verification/lab_sea
482      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
483    
484    checkpoint50i_post
485    o Preparing next differentiable checkpoint and sync
486      of MAIN vs. ecco-branch
487      - 1st step: this one is differentiable
488      - 2nd step: next(! not this) checkpoint will have updated packages
489                  from ecco-branch)
490    
491    checkpoint50h_post
492    o new package "land": provide surface BC for AIM.
493    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
494    o AIM: use true log-P extrapolation for near surface temp (= as in
495        F.Molteni paper) ; update aim.5l_cs output.
496    o New variable in PARM03 for more flexible pickups
497    o somewhat cleaned package initialisation sequence for
498      ctrl/ cost/ ecco/ in packages_... routines
499    
500    checkpoint50g_post
501    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
502      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
503      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
504        made the default because of faster convergence than ADI
505    
506    checkpoint50f_post
507    o exf totally restructured
508      - replaced all exf_set_ routines by one generic exf_set_gen.F
509        and made sure it's still differentiable
510      - split exf_getffields.F into new exf_bulkformulae.F
511      - exf_inscal_/exf_outscal_ suffixes consistent with field names
512      - updated adjoint/makefile and relevant verif. accordingly
513    
514    checkpoint50f_pre
515     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
516          + change Evap over land. (update aim.5l_cs output)
517     o added missing .cvsignores and made uniform across expts
518     o changed configuration of tidal_basin_2d expt
519     o added pkg/debug functions for tracing code in fatal crashes
520     o tidied pkg/monitor to use MONITOR_OPTIONS.h
521     o new fn in pkg/monitor to stop model if solution grows too big
522     o removed lots of single quotes from comments
523    
524    checkpoint50e_post
525    o make KPP work with PTRACERS
526     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
527       nearly a copy of kpp_transport_s
528     - there is no analogue to SurfaceTendencyS, so I have to use
529       gPtr(of the surface layer) instead
530    o add a new platform SunFire+mpi (SunFire 15000) to genmake
531    checkpoint50e_pre
532    
533    checkpoint50d_post
534    o change kpp output from multiple-record state files to single-record state
535      files analogous to write_state.F
536    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
537      analogous to the cg2d-related output.
538    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
539      so that writing to internal file fn (with length 512) fails.
540    checkpoint50d_pre
541    
542    checkpoint50c_post
543    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
544    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
545    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
546    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
547    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
548    
549    checkpoint50c_pre
550    Merging from release1_p13:
551    o bug fix for pkg/seaice dynamic solver
552    o Added SEAICE_initialHEFF to pkg/seaice
553    
554    checkpoint50b_post
555    o store u*,v* in gU,V instead of in guNm1,gvNm1
556    o in order to put the momForcing out of the Adams-Bashforth:
557      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
558      to timestep.F
559    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
560    o re-generate output for highly sensitive test-exp:
561       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
562    
563    checkpoint50b_pre
564    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
565    o corrected CPP option mismatch in exf_Bulk... functions for case
566      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
567    
568    checkpoint50a_post
569    o Bug fix for merging between c50 and KPP.
570      ikey was passed from thermodynamics to kpp_calc via
571      common block rather than being recomputed in kpp_calc,
572      in contradiction with new key itdkey.
573      New key ikppkey created, and tamc.h headers updated.
574    
575    checkpoint50
576    - 2nd step of merge with ecco-branch:
577      merge changes in ecco-branch back into main trunk
578    - bug fix in find_alpha
579    - more storing in gmredi_calc_tensor.F, kpp_routines.F
580    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
581    - merged some sliced AD support routines
582    
583  checkpoint49  checkpoint49
584    merged from ecco-branch:
585    o exf:
586      - Enable initialisation of forcing fields to constant
587        (runtime) values.
588      - in exf_getffields.F
589        Reduce i-/j-loop to interior domain, discarding overlaps.
590        That also fixes wrong TAF-key computations for key_1, key_2
591        with bulf formulae.
592      - exf_init.F modify #ifdef for exf_init_evap
593      - exf_getffieldrec.F, ctrl_getrec.F
594        The following INT-usages are not safe:
595          fldsecs  = int(fldsecs/fldperiod)*fldperiod
596          fldcount = int(fldsecs/fldperiod) + 1
597        and were modified.
598    o autodiff: checkpoint_lev...
599      - updated storing for bulk formulae (some arrays were missing)
600      - added state for seaice package
601      - synchronized with main branch
602    o DIVA:
603      Modif.s in
604      - the_main_loop.F
605      - the_model_main.F
606      and added cost_final_restore.F cost_final_store.F
607      o With these changes, it is possible to fully separate
608        the first forward run to compute the cost function (mdthe_main_loop)
609        and adjoint runs over individual DIVA intervals (adthe_main_loop)
610        into separate model executions.
611        This enables better tuning of DIVA to given queue sizes.
612      o Loss of cost function value in consecutive DIVA runs is
613        fixed by storing to 'costfinal' file.
614      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
615        beginning/end of adjoint integration is accounted for.
616      The current changes apply to TAF-1.4.26.
617      TAF has one remaining bug, requiring one manual change
618      (see MITgcm manual).
619    o cal: synchronized between MAIN and ecco-branch
620    
621    checkpoint48i_post
622  o Changes to restore differentiability of code w.r.t. previous tag  o Changes to restore differentiability of code w.r.t. previous tag
623    (mostly adding new routines to make list and replacing    (mostly adding new routines to make list and replacing
624    pressure by totPhiHyd).    pressure by totPhiHyd).

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