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revision 1.66 by jmc, Tue Mar 5 15:36:06 2002 UTC revision 1.260 by jmc, Thu Feb 26 00:05:44 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 mask vorticity at the corner ; affects global_ocean.cs output
7    o fix ini_curvilinear_grid ; test CS experiments with mpi
8    o aim.5l_cs: modify sea-ice fraction input file ; update output
9    
10    checkpoint52k_post
11    o removed top-level directory "diags"
12      - we migrated these functions to pkg/timeave a long time ago
13    o fixed bug introduced in pkg/monitor
14    o accuracy ctrlprec = 32 insuffient for gradient checks using
15      averaged fields (I/O via cost_averages)
16      -> use ctrl.h in active_file*.F to control I/O precision.
17    o paramter list of CALL ADTHE_MAIN_LOOP
18    o added initial do_the_model_io to ecco
19    o set all ...Freq to zero after cost_final
20      taveFreq, dumpFreq, pChkptFreq
21    o MAIN and ECCO differentiability restored
22    
23    checkpoint52j_post
24    o fix nchklev in tamc.h for global_ocean...
25    o Bringing flow and store directives up-to-date
26    o Really weird thing!
27      call do_the_model_io from the_main_loop with parameters
28      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
29      TAF places a faulty re-call of initialise_varia
30      after cost_final call which should not be there!
31    checkpoint52j_pre
32    
33    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
34      error messages
35    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
36    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
37      debug output
38    o modfied mdsio_writefield.F to handle non-global files under exch2
39    o update AIM Cubed-Sphere exp (aim.5l_cs):
40      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
41    o update AIM Equatorial Channel exp:
42      use standard aim_v23 pkg and change the SST fields to be more realistic.
43    o globalFile now works with exch2
44    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
45      mon_vort3.F to make exch2 friendly with >1 tile per cube face
46    o limit timeave output for hi-res integrations
47    
48    checkpoint52i_post
49    o removed CPP_EEOPTIONS.h from verification/*/code
50    o updated the tiling for global_ocean_pressure
51    checkpoint52i_pre
52    
53    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
54      the old pkg/aim).
55    
56    checkpoint52h_pre
57    o shortened offending lines in exch2_send_rx?.template
58    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
59    o genmake2: add build & execute test for NetCDF code
60    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
61      old grid files, moved CPP_EEMACROS.h to pkg/exch2
62    o added useSingleCPUIO flag to monitor.F and mon_out.F
63    o added temporary hack for sea-ice dynamics on the cube:
64      metric terms are ignored and it is assumed that
65      there is no sea-ice on cube faces 1, 2, 4, and 5.
66    
67    checkpoint52f_post
68    o added exch2 cube routines to pkg/exch2
69    o modified hs94.cs-32x32x5 to use it
70    o added new grid files to hs94.cs-32x32x5
71    checkpoint52f_pre
72    
73    checkpoint52e_post
74    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
75      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
76    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
77      to work with implicit vertical advection and AB ;
78    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
79    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
80     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
81    checkpoint52e_pre
82    
83    o fix bug in impldiff when Nr=1 or Nr=2.
84    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
85    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
86    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
87      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
88    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
89    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
90    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
91    
92    checkpoint52d_post
93    o re-tiled many expts to allow comparison in multi-processor mode
94      - updated output accordingly
95      - changed hs94.128x64x5 to use intial T from file rather than use the
96        random number generator
97    o add infrastructure in model routines for fizhi and gridalt packages
98    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
99    o changes to permit hi-res, cubed-sphere, configuration
100      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
101      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
102      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
103        of surface winds for the cube
104      (A verification experiment, based on global_ocean.cs32x15, but with
105       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
106       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
107       complete with example surface forcing files and matlab scripts to look
108       at the output and compare it with that of global_ocean.cs32x15.)
109    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
110       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
111       to conform to the common rule.
112    o check-in the first version of the coupler + interfaces for multi-components
113       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
114       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
115       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
116       - ocean and atmos. share the same horizontal grid (no interpolation).
117       - exchanges between component and coupler is done in forward_step
118    o new verification experiment, cpl_aim+ocn:
119       coupled ocean - AIM atmosphere on cs32 grid.
120    
121    checkpoint52d_pre
122    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
123    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
124    
125    checkpoint52c_post
126    o Fixing OPTIONS files for use of exf:
127      - ALLOW_ECCO not needed
128      - ECCO_CPPOPTIONS.h should not be included from
129        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
130        as has been the case in the past
131      - All cal/exf related options are currently set in
132        single header file. Should remain so until we
133        agree on a consistent new policy.
134    o Removed all CPP options for cal package.
135      cal has no more CPP options.
136    o modified STOREs in GAD_ADVECTION
137    o corrected key comp. for passkey
138    
139    checkpoint52b_post
140    o new version: "thsice" of thermodynamic sea-ice pkg:
141     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
142     - modify fluxes but do not change theta directly;
143     - light cleaning of bulk_force pkg (still needed with thsice).
144     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
145       + output_thsice.txt to test thsice & bulk_force pkgs.
146    o put back grid & coriolis monitor output.
147    checkpoint52b_pre
148    
149    o call "do_the_model_io" at the beginning (=> dump initial state)
150    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
151    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
152      (need info on NUMBER_OF_PTRACERS)
153    o missing PTRACERS headers in some routines
154    o default tamc.h in pkg/autodiff supposed to crash
155      to ensure proper customization
156    
157    checkpoint52a_post
158    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
159      - moved surfaceTendencyTice from pkg/seaice to main code
160      - subroutine FREEZE_SURFACE now limits only surface temperature
161        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
162        => new output.txt for global_ocean.cs32x15 & global_with_exf
163      - keep the old version of FREEZE for backward compatibility;
164        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
165      - corresponding modifs for TAF directives
166    o added surface flux output variables to TIMEAVE_STATVARS
167    o time-averaged output for pkg/ptracers
168    o fix problem with ECCO-related divided adjoint
169      snapshot file was missing some ad-variables,
170      but no warning issued by TAF
171    
172    checkpoint52a_pre
173    o some bug fixes for #undef REAL4_IS_SLOW
174    
175    checkpoint52 = ecco_c52_e35
176    o after testing adjoints of checkpoint51u_post
177    
178    checkpoint51u_post
179    o this is the post-merge tag of the ecco-branch
180      (needs another clean checkout and re-testing)
181    o various natl_box_adjoint configs and results
182      but no input fields
183    o obcs adjoint not yet merged!
184    o adding ECCO global 1x1 and 2x2 degree configs
185    o updated/extended some store directives for seaice
186    o pkg/ecco now containes ecco-specific part of cost function
187    o top level routines the_main_loop, forward_step
188      supersede those in model/src/
189      previous input data.cost now in data.ecco
190      (new namelist ecco_cost_nml)
191    o in ctrl/ cleaned some cross-dependencies and updated CPP options
192    
193    checkpoint51t_post
194    o this is the pre-merge tag of the ecco-branch
195    
196    checkpoint51s_post
197    o cleanup: removed various obsolete #define-s
198    o pkg/grdchk
199      - renamed 'ph-grd 3' to 'grad-res'
200      - merged from ecco-branch
201        (remaining bug fixes for obcs gradient checks)
202      - additional high-precision output for testreport
203        (grep for 'precision_grdchk_result')
204    
205    checkpoint51r_post
206    o cleaned up or removed CPP_OPTIONS.h files
207    o updated results for some of the tests to reflect the new
208      optfiles (-ieee: -O0 instead of -O3)
209    
210    checkpoint51q_post
211    o cd_code:
212      - moved cd_scheme.F -> cd_code_scheme.F
213      - separate read_checkpoint from cd_code_ini_vars.F
214      - separated cd_code part from write_checkpoint
215      - updated AD_SOURCE, generated .flow
216      - added CD_CODE_VARS.h to the_main_loop
217      - Moving cd_code specific store dir.s to pkg/cd_code
218    o ctrl package totally restructured
219      - pack/unpack now optional and decoupled from
220        xx_/adxx_ I/O
221      - ctrl_pack/unpack cleaned
222        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
223      - confined inclusion of AD_CONFIG.h to where necessary.
224    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
225    
226    checkpoint51p_post
227    o create initial cd_code package
228      - WARNING: the initialization of fields within packages
229        is broken because INI_FIELDS (where READ_CHECKPOINT is
230        called) is called *before* PACKAGES_INIT_VARIABLES.
231        This seems to be backwards since
232        1) its important to initially zero the entire field including
233           the "halo" region
234        2) zeroing needs to be done *before* reading pickup info
235           and the pickup call might or might not happen in any
236           particular run
237      - this needs an overhaul for R2
238    o cleanup verification/*/code/GMREDI_OPTIONS.h
239    o cleanup testreport
240    
241    checkpoint51o_post
242    o bringing AD-related verif's up to date with genmake2
243      - carbon/
244      - global_ocean.90x40x15/
245      - hs.94.1x64x5/
246      - (front_relax/ )
247    o (more) consistent directory structure for AD-related verif.'s
248    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
249    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
250    o bug fix in find_alpha.F for MDJWF:
251      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
252        change rho -> rho-rhoConst
253      - replace call find_rho to find_rhonum
254    o initialisation of rFlx extended to full array (required by TAF)
255      and shifted to thermodynamics
256    o removed PTRACERS.h in ptracers routine
257    o added surfacetendencyPtr to S/R parameter list pracers_forcing
258    o Correcting initialisations for fVerU, fVerV.
259    o helping TAF to recognize dependency on kUp for
260      fVerU, fVerV
261    o Replacing delZ by delR in pkg/ctrl/
262    checkpoint51o_pre
263    
264    o undid all of cp51 pending some cleanups and discussion
265    o added the [#include "AD_CONFIG.h"] statement to all files that need
266       it for adjoint/tl #defines
267     o re-worked the build logic in genmake2 to support AD_CONFIG.h
268     o removed tools/genmake since it no longer works
269    
270    checkpoint51n_post
271    o modifications to make FREEZE flux visible to pkg/kpp
272      - moved surfaceTendencyTice from pkg/seaice to main code
273      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
274      - subroutine FREEZE now limits only surface temperature
275        (this means new output.txt for global_ocean.90x40x15,
276         global_ocean.cs32x15, and global_with_exf)
277    o added surface flux output variables to TIMEAVE_STATVARS
278    
279    checkpoint51n_pre
280    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
281    o added [#include "AD_CONFIG.h"] to all files that use the following
282      defines:
283      - ALLOW_ADJOINT_RUN
284      - ALLOW_TANGENTLINEAR_RUN
285      - ALLOW_ECCO_OPTIMIZATION
286    
287    checkpoint51m_post
288    o incorporating changes to get TAMC/TAF working in genmake2
289      - added new TAMC/TAF targets to the Makefile
290      - various cleanups related to package handling
291      - these changes should have no impact on the forward model
292    
293    checkpoint51l_post
294    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
295     - faster algorithm for cal_addtime.F
296     - higher precision arithmetic, where needed
297     - pkg/exf *startdate variables changed from calendar date to
298       model integration time
299    
300    checkpoint51l_pre
301    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
302    o enable to apply restoring on S & T only in a latitude band.
303    o update output (external_forcing_surf modif. change truncation errors)
304       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
305    
306    checkpoint51k_post
307    o change default to: useNHMTerms=.FALSE.
308     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
309       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
310     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
311        exp1, ideal_2D_oce
312     - change data file of oceanic exp (leave the results unchanged for now)
313       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
314    o set gravitySign automatically according to the vertical coordinate used
315      (and change sign: back to "logical" value: +1 when R increases downward)
316    o added an include barrier to the default CPP_OPTIONS.h and
317      removed the #include "PACKAGES_CONFIG.h" from it
318    o fix a bug in mom_fluxform (from chk51j_post)
319    
320    checkpoint51j_post
321    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
322    o adjusted some flow directives (dynamics, thermodynamics)
323    o added cubed-sphere case to test cost function
324    o heckpoint_lev?_directives.h now include
325      pkg-specific directives, whenever those are enabled.
326    o Moving pkg-specific flow directives to corresponding pkg
327      Moving pkg-specific differentiation list to corresponding pkg
328      Moving pkg-specific checkpoint-lev storing to corresponding pkg
329      ---> conventions are
330           - pkg_ad.flow
331           - pkg_ad_diff.list
332           - pkg_ad_check_lev?_dir.h
333    
334    checkpoint51i_post
335    o merge of the branch-genmake2
336      - knowingly breaks the older genmake
337      - automatic generation of all ALLOW_${PKG_NAME} defines
338      - new testreport supersedes older testscript
339    o large number of package inclusion and header cleanups
340    checkpoint51i_pre
341    
342    o new output for adjoin of global ocean vector invariant
343    o fix for checkpoint of thermodynamic seaice and bulk_force
344    o Steph gchem various cleanups
345    
346    checkpoint 51h_pre
347    o fixed some single quotes
348    o modify gchem pkg to be more versatile
349    o modifications to clean up dic pkg
350    o add pkg/cfc
351    
352    checkpoint51g_post
353    o provide links for ARPACK and ADM*TLM
354    o start removing verification/vero/
355    o update AD-related stuff
356      (in particular some IF-statements in model/src/ routines)
357    o adding to verification/global_ocean.90x40x15/ adjoint of
358      vector invariant setup
359    
360    checkpoint51f_post
361    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
362    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
363      of tracer Green's fucntions for ocean inversion project.
364    
365    checkpoint51f_pre
366    o Added on-the-fly spatial interpolation capability
367        "USE_EXF_INTERPOLATION" to pkg/exf.
368      - This is a temporary Cartesian-grid hack until
369        the super-duper ESMF coupler becomes available.
370      - See verification/global_with_exf/README for usage example.
371      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
372        flags and modified pkg/seaice accordingly.
373    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
374        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
375        non-local transport term.
376    
377    checkpoint51e_post
378    o pkg/mom_vecinv:
379      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
380      - add time-ave diagnostic of vorticity advection.
381    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
382    o atmospheric geopotential: - include water vapor effect;
383                                - use p^kappa in p* scaling.
384    o land pkg: read initial state from files.
385    o AIM : add stratospheric drag in the upper level
386    
387    checkpoint51d_post
388    o change function ILNBLNK (=> last non-blank char.) to return zero
389      (instead of the string length) when the string. char is empty
390    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
391    o modif's to restore TAMC compatibility
392      - avoid "_d" constructs in PARAMETER declarations
393      - avoid interrupting lines by comment lines
394    o Use cluster local disks for purely local I/O
395      vs. globally visible disks needed for ctrl stuff
396      (merged from ecco-branch)
397      - new active_file_loc... and mdsio_..._loc routines
398      - affected packages: autodiff, ctrl, grdchk, mdsio
399    
400    checkpoint51c_post
401    o introducing integer flag debugLevel
402      - debLevZero: suppress all output
403      - debLevA: standard
404      - debLevB: equivalent to current debugMode=.TRUE.
405    o introducing pathname variable mdsioLocalDir for mdsio
406      that can be specified at runtime
407      (relevant for cluster I/O to local disk)
408    `
409    >>>checkpoint51b_post
410    adjoint of ptracers
411    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
412    o extended state in checkpoint_lev?, etc.
413    o alternative ctrl/cost with tr1 or ptracer
414    o new comlev1_bibj_ptracers
415    o new ptracers.flow
416    o made ptracers_forcing same as external_forcing_s
417    o added verification for adjoint with ptracers
418      - adm. grdchk fail so far
419      - tlm. grdchk OK
420      - checked tapelev/comlev recomputations: OK
421    <<<checkpoint51b_pre
422    
423    checkpoint51a_post
424    o added code for biogeochemistry package
425      - new pkgs: dic, gchem
426      - new subroutine in ptracers
427    o modify code for biogeo packages
428      - in model/src and pkg/ptracers
429    
430    checkpoint51
431    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
432      - autodiff, ctrl, exf, grdchk, seaice
433      kept separate packages
434      - cost, ecco, obcs
435    o updating verification/internal_wave, verification/lab_sea
436      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
437    
438    checkpoint50i_post
439    o Preparing next differentiable checkpoint and sync
440      of MAIN vs. ecco-branch
441      - 1st step: this one is differentiable
442      - 2nd step: next(! not this) checkpoint will have updated packages
443                  from ecco-branch)
444    
445    checkpoint50h_post
446    o new package "land": provide surface BC for AIM.
447    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
448    o AIM: use true log-P extrapolation for near surface temp (= as in
449        F.Molteni paper) ; update aim.5l_cs output.
450    o New variable in PARM03 for more flexible pickups
451    o somewhat cleaned package initialisation sequence for
452      ctrl/ cost/ ecco/ in packages_... routines
453    
454    checkpoint50g_post
455    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
456      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
457      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
458        made the default because of faster convergence than ADI
459    
460    checkpoint50f_post
461    o exf totally restructured
462      - replaced all exf_set_ routines by one generic exf_set_gen.F
463        and made sure it's still differentiable
464      - split exf_getffields.F into new exf_bulkformulae.F
465      - exf_inscal_/exf_outscal_ suffixes consistent with field names
466      - updated adjoint/makefile and relevant verif. accordingly
467    
468    checkpoint50f_pre
469     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
470          + change Evap over land. (update aim.5l_cs output)
471     o added missing .cvsignores and made uniform across expts
472     o changed configuration of tidal_basin_2d expt
473     o added pkg/debug functions for tracing code in fatal crashes
474     o tidied pkg/monitor to use MONITOR_OPTIONS.h
475     o new fn in pkg/monitor to stop model if solution grows too big
476     o removed lots of single quotes from comments
477    
478    checkpoint50e_post
479    o make KPP work with PTRACERS
480     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
481       nearly a copy of kpp_transport_s
482     - there is no analogue to SurfaceTendencyS, so I have to use
483       gPtr(of the surface layer) instead
484    o add a new platform SunFire+mpi (SunFire 15000) to genmake
485    checkpoint50e_pre
486    
487    checkpoint50d_post
488    o change kpp output from multiple-record state files to single-record state
489      files analogous to write_state.F
490    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
491      analogous to the cg2d-related output.
492    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
493      so that writing to internal file fn (with length 512) fails.
494    checkpoint50d_pre
495    
496    checkpoint50c_post
497    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
498    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
499    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
500    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
501    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
502    
503    checkpoint50c_pre
504    Merging from release1_p13:
505    o bug fix for pkg/seaice dynamic solver
506    o Added SEAICE_initialHEFF to pkg/seaice
507    
508    checkpoint50b_post
509    o store u*,v* in gU,V instead of in guNm1,gvNm1
510    o in order to put the momForcing out of the Adams-Bashforth:
511      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
512      to timestep.F
513    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
514    o re-generate output for highly sensitive test-exp:
515       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
516    
517    checkpoint50b_pre
518    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
519    o corrected CPP option mismatch in exf_Bulk... functions for case
520      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
521    
522    checkpoint50a_post
523    o Bug fix for merging between c50 and KPP.
524      ikey was passed from thermodynamics to kpp_calc via
525      common block rather than being recomputed in kpp_calc,
526      in contradiction with new key itdkey.
527      New key ikppkey created, and tamc.h headers updated.
528    
529    checkpoint50
530    - 2nd step of merge with ecco-branch:
531      merge changes in ecco-branch back into main trunk
532    - bug fix in find_alpha
533    - more storing in gmredi_calc_tensor.F, kpp_routines.F
534    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
535    - merged some sliced AD support routines
536    
537    checkpoint49
538    merged from ecco-branch:
539    o exf:
540      - Enable initialisation of forcing fields to constant
541        (runtime) values.
542      - in exf_getffields.F
543        Reduce i-/j-loop to interior domain, discarding overlaps.
544        That also fixes wrong TAF-key computations for key_1, key_2
545        with bulf formulae.
546      - exf_init.F modify #ifdef for exf_init_evap
547      - exf_getffieldrec.F, ctrl_getrec.F
548        The following INT-usages are not safe:
549          fldsecs  = int(fldsecs/fldperiod)*fldperiod
550          fldcount = int(fldsecs/fldperiod) + 1
551        and were modified.
552    o autodiff: checkpoint_lev...
553      - updated storing for bulk formulae (some arrays were missing)
554      - added state for seaice package
555      - synchronized with main branch
556    o DIVA:
557      Modif.s in
558      - the_main_loop.F
559      - the_model_main.F
560      and added cost_final_restore.F cost_final_store.F
561      o With these changes, it is possible to fully separate
562        the first forward run to compute the cost function (mdthe_main_loop)
563        and adjoint runs over individual DIVA intervals (adthe_main_loop)
564        into separate model executions.
565        This enables better tuning of DIVA to given queue sizes.
566      o Loss of cost function value in consecutive DIVA runs is
567        fixed by storing to 'costfinal' file.
568      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
569        beginning/end of adjoint integration is accounted for.
570      The current changes apply to TAF-1.4.26.
571      TAF has one remaining bug, requiring one manual change
572      (see MITgcm manual).
573    o cal: synchronized between MAIN and ecco-branch
574    
575    checkpoint48i_post
576    o Changes to restore differentiability of code w.r.t. previous tag
577      (mostly adding new routines to make list and replacing
578      pressure by totPhiHyd).
579    o Updated and merged grdchk package
580      - has both ADM and TLM checks
581      - works for single- and multi-proc.
582      - output cleaned
583      - worked successfully for parallel DIVA
584    o genmake:
585      - Adding -platform=SP4
586      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
587    o Modif. for DIVA:
588      ctrl_unpack should not be called in intermediate DIVA interval.
589      (similar thing would apply for active files such as
590      tbar, sbar, psbar, which should not be reinitialised;
591      only relevant for ecco-branch)
592    
593    checkpoint48h_post
594    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
595    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
596    o Added SEAICE_initialHEFF to pkg/seaice
597    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
598    
599    checkpoint48g_post
600    --- EOS:
601    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
602      store total Potential in totPhyHyd for diagnostics & EOS.
603    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
604    --- Pressure/geopotential gradient:
605    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
606    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
607      ( changes results of global_ocean_pressure )
608    o NLFS + z-coord.: add eta*Rho' contribution.
609    o accurate phiHyd when using interface-W at the middle between 2 centers
610     ( changes results of ideal_2D_oce )
611    o includes r* 2nd term in potential gradient.
612    
613    checkpoint48f_post
614    Merging from release1_p12:
615    o Modifications for using pkg/exf with pkg/seaice
616      - improved description of the various forcing configurations
617      - added basic radiation bulk formulae to pkg/exf
618      - units/sign fix for evap computation in exf_getffields.F
619      - updated verification/global_with_exf/results/output.txt
620    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
621      (SBO) core products, including oceanic mass, center-of-mass,
622      angular, and bottom pressure (see pkg/sbo/README.sbo).
623    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
624      to avoid negative values in shallow regions.
625      - updated verification/natl_box/results/output.txt
626      - updated verification/lab_sea/results/output.txt
627    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
628    o Added useSingleCpuIO option (see PARAMS.h).
629    o Updated useSingleCpuIO option in mdsio_writefield.F to
630      work with multi-field files, e.g., for single-file pickup.
631    o pkg/seaice:
632      - bug fix in growth.F: QNET for no shortwave case
633      - added HeffFile for specifying initial sea-ice thickness
634      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
635    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
636      kpp_transport_t.F, forward_step.F, and the_main_loop.F
637    o pkg/seaice:
638      - adjoint-friendly modifications
639      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
640    
641    checkpoint48e_post
642    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
643    o dynamics: change definition of computational domain & adapt mom_fluxform
644      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
645    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
646        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
647        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
648        global_ocean.90x40x15 global_with_exf global_ocean_pressure
649        inverted_barometer solid-body.cs-32x32x1
650      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
651    
652    checkpoint48d_post
653    o in preparation for r*:
654     a) use pre-computed gradient of hydrostatic potential:
655        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
656     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
657        => affects results of glob_oce_pressure (different truncation error)  
658      update output.txt of ideal_2D_oce & global_ocean_pressure
659    
660    checkpoint48d_pre
661    o in preparation for r*:
662      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
663      pass the 2 comp. of the grad. as arguments to momentum S/R.
664      but for the moment, only used if it does not change the results.
665    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
666    
667    checkpoint48c_post
668    Modifications in treatment of initial flux forcing controls
669    to avoid extra storing of flux fields.
670    
671    checkpoint48c_pre
672    o Added tidal_basin_2d experiment (currently 1D!)
673    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
674    
675    checkpoint48b_post
676    o r* coordinate added in #ifdef NONLIN_FRSURF block.
677     (modification to pressure gradient not yet implemented)
678    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
679      (for U & V) that are used for vertical advection of momentum.
680    
681    checkpoint48a_post
682    o In preparation for r*, use temp. array to compute vertical transport
683       in flux-form momentum pkg. => change results of few test-exp.
684      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
685                        lab_sea, natl_box & plume_on_slope
686    
687    checkpoint48
688    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
689    
690    checkpoint47j_post
691    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
692    o moved adexch from forward_step to addummy_in_stepping
693    o added exch in ctrl_map_...
694    o aveFreq.=0. at end of cost_final to avoid overwrite in
695      reverse checkpointing loop
696    o Yet more changes in gmredi:
697      * adgmredi_calc_tensor
698        avoiding all recomputation of gmredi_slope_limit
699      * adgmredi_x/y/rtransport
700        added flag for excessive storing to avoid recomp. of
701        u/v/rtans, dTdx/y/z
702        -> this is not really necessary and very memory-consuming
703      * adgmredi_slope_psi:
704        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
705      * gmredi_slope_limit
706        re-activated full calculation of taperfct for case 'ac02'
707    o updating verification/ adjoints of carbon, global_ocean.90x40x15
708    
709    checkpoint47i_post
710    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
711    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
712      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
713    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
714    o gmredi: fix few bugs.
715    
716    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
717    This will be a good checkpoint to plug into the ecco-branch.
718    o few modif.'s to get latest version adjointed
719      (mainly kick out code in ini_linear_phisurf)
720    o modif's to run adjoint with exactConserv
721    o case GM_BOLUS_ADVEC should be cleaned
722      S/R gmredi_slope_psi should be cleaned
723    o verification/carbon now has exactConserv=.TRUE.
724    
725    checkpoint47g_post
726    o time-average AIM output: becomes independent from statvars time-average
727      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
728    o After TAF bug fix:
729      Tested adjoint of gmredi package.
730      Tests were done with checkpoint47 rather than with latest
731      checkpoint47f_post since the latter is broken for the adjoint
732      verification/carbon/ contains both ADM and TLM gradient checks.
733    Here they are, before they get changed/lost/stolen.
734    Mostly modif.'s to fix numerical sensitivities.
735    Gradient checks OK for
736    - GM_taper_scheme:
737      * clipping
738      * ac02
739      * linear
740      * glw91
741      * dm95
742      * ldd97
743    - GMREDI_OPTIONS:
744      * GM_VISBECK_VARIABLE_K
745      * GM_NON_UNITY_DIAGONAL
746      * GM_EXTRA_DIAGONAL
747      * GM_BOLUS_ADVEC
748    in conjunction with data.gmredi parameters to be checked in
749    in a few minutes under verification/carbon/code/
750    
751    checkpoint47f_post
752    Merging from release1_p10:
753    o modifications for using pkg/exf with pkg/seaice
754      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
755        and SEAICE_EXTERNAL_FLUXES
756      - pkg/exf CPP options EXF_READ_EVAP and
757        EXF_NO_BULK_COMPUTATIONS
758      - usage examples are Experiments 8 and 9 in
759        verification/lab_sea/README
760      - verification/lab_sea default experiment now uses
761        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
762    
763    checkpoint47e_post
764    o created a tag prior to creating a branch
765    
766    checkpoint47d_post
767    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
768      at the bottom boundary had an erroneous half slip boundary condition
769    o added bottom drag and no slip boundary condition capabilities to
770      oceanic pressure coordinates code
771    o added new verification experiment global_ocean_pressure, this experiment is
772      also described in the tutorial section of the manual
773    checkpoint47d_pre
774    
775    checkpoint47c_post
776    o Added a verification experiment for a global cubed-sphere ocean run
777      -  verification/global_ocean.cubed32x32x30
778      -  uses pkg/therm_seaice and pkg/bulk_forcing
779    
780    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
781    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
782      when using P-coordinate; only implemented for atmospheric config.
783    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
784      NOTES: requires option NONLIN_FRSURF to be "#define".
785    o update advect_xz/results/output.txt (left from checkpoint44g_post)
786    
787    checkpoint47b_post
788    Merging from release1_p9:
789    o pkg/seaice
790      - removed GOTO's and added taf directives
791      - double precision constants to reduce the g77 (Linux)
792        to F77 (SGI) differences reported in release1_p8
793    o tools/genmake
794      - added SGI options
795    o verification/testscript
796      - updated to that of checkpoint47a_post
797    o verification/global_ocean.90x40x15/input/eedata
798      - modified for SGI f77 compatibility
799    o verification/lab_sea
800      - added description of sea-ice model
801      - added missing matlab routines
802      - added test of thermodynamics parallelization
803    
804    checkpoint47a_post
805    o new pkg: aim_v23
806     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
807       for now, keep the same surface forcing as before.
808     - Part-Cell implemented into AIM; check that Heat & Water are conserved
809     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
810     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
811    o add diagnostic of surface correction term in monitor output
812    
813    o bulk_force and therm_seaice
814    - Two packages:  bulk_force (Bulk forcing)
815      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
816    - Earlier integration from Stephaine Dutkiewicz
817      and Patrick Heimbach.
818    - Two ifdef statements for compile time,
819       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
820    
821    checkpoint47
822    differentiable version of checkpoint46n_post
823    o bug fix in quasihydrostaticterms
824    o * "clean" adjoint code (in terms of extensive recomputations)
825        can now be obtained for all GMREDI options (i.e. for
826        - GM_VISBECK_VARIABLE_K
827        - GM_NON_UNITY_DIAGONAL
828        - GM_EXTRA_DIAGONAL
829        - GM_BOLUS_ADVEC )
830      * However, wrong gradient check problem remains unsolved.
831      * New CPP options have been introduced for different
832        tapering schemes
833    o external_fields_load now part of differentiation list
834    o pressure needs multiple storing;
835      would be nice to have store_pressure at beginning or
836      end of forward_step, e.g. by having phiHyd global (5-dim.)
837      (NB: pressure is needed for certain cases in find_rho,
838      which is also invoked through convective_adjustment).
839    o recomputations in find_rho for cases
840     'JMD95'/'UNESCO' or 'MDJWF' are OK.
841    o #define ATMOSPHERIC_LOADING should be differentiable
842    o ini_forcing shifted to begining of initialise_varia
843    o Incorporating QNVS line search routines into MITgcm
844      (this is separate code, and therefore not under pkg)
845      lsopt/, optim/
846    o Updated verification/carbon/
847      - #define GM_VISBECK_VARIABLE_K
848      - GM_taper_scheme    = 'ldd97'    
849    
850    checkpoint46n_post
851    Merging from release1_p8:
852    o verification/natl_box:
853      updating new external_fields_load routine
854    o New package: pkg/seaice
855      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
856      The sea-ice code is based on Hibler (1979-1980).
857      Two sea-ice dynamic solvers, ADI and LSR, are included.
858      In addition to computing prognostic sea-ice variables and diagnosing
859      the forcing/external data fields that drive the ocean model,
860      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
861      The implied surface heat flux is then stored in variable
862      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
863      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
864      non-local transport term.  Because this call precedes model
865      thermodynamics, temperature under sea-ice may not be "exactly" at
866      the freezing point by the time theta is dumped or time-averaged.
867      N.B.: fairly large differences in accuracy occur across
868            different platforms/compilers; comparison between
869            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
870            generated output gives:
871       T           S           U           V
872      C D M    c        m  s        m  s        m  s        m  s
873      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
874      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
875      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
876    
877      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
878    o GAD:
879      - generated new common blocks to account for call of
880        same gad routines with differing traceridentities
881        (needed to modify tracerIdentity indices in GAD.h)
882      - generated separate common blocks for case useCubedSphereExchange
883        (Department of Futurology)
884      - parameter lists to gmredi_?transport: added tracerIdentity
885      - added new key indices to tamc.h
886    o external_fields_load:
887      - added this routine to TAF list
888      - needed to make some common blocks global and additional storing
889        along the same lines as exf package (checkpoint_lev?_directives.h)
890    o exf:
891      updated external forcing package
892      - bug fixes carried over from ecco-branch
893        (missing OBCS_OPTIONS.h in two routines)
894      - enable easy to use "no forcing".
895      - added exf I/O for atmospheric loading
896      - added exf I/O for runoff data
897      - transfered scaling between exf <-> MITgcm to exf namelist
898    o Adding new verification experiment global_with_exf.
899      This verification experiment is almost identical to the
900      global_ocean.90x40x15 experiment, except that it uses
901      the exf (and cal) package instead of the
902      external_fields_load routine (cf README file).
903    
904    checkpoint46m_post
905    o modified testscript to return -- when there are no lines of "%MON" output
906    o added new flag "quasiHydrostatic" for QH mode
907      and new routine quasihydrostaticterms()
908    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
909      New routine: mom_u_coriolis_nh()
910    o fixed sign of non-hydrostatic metric terms in u and v equations.
911      Depend on correct sign of gravitySign.
912    o added work.pc* to .cvsignore in aim directories using ifc
913    o introduced flag for controllin non-hydrostatic metric terms
914    o removed gravitySign from PARM04
915    o switched to g77/ifc from pgf77 in aim experiments
916    
917    checkpoint46l_post
918    o made convective adjustment work with pressure coordinates:
919     - changed the direction of k-loop in convective_adjustment.F for the
920       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
921     - adjusted the reference pressure k-index in convective_adjustment.F
922     - adjusted the convection condition in convect.F (in analogy to
923       calc_ivdc.F)
924     - convective_adjustment no longer computes anything on the halos
925     - removed the warnings about negative salinity from find_rho.F and
926       find_alpha.F; instead the new routine look_for_neg_salinity, called
927       at the beginning of find_rho, find_alpha, and find_beta, does a
928       check of the entire slice, if CPP-option
929       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
930    checkpoint46l_pre
931    
932    checkpoint46k_post
933    o fixed the verification/global_ocean.90x40x15 experiment:
934     - new bathymetry (the world according to A., JMC, and M.)
935     - new initial fields and forcing fields (*.bin files)
936     - new POLY3.COEFFS (for the next release one should switch to a full
937       equation of state: JMD95P or MDJWF)
938     - fixed several errors and redundancies in the data file
939     - experiment uses looped cells
940     - added matlab directory with diagnostic scripts for plotting of output
941    
942    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
943     - read AIM physics parameters from a file (data.aimphys)
944     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
945    
946    checkpoint46j_post
947    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
948    o move wVel computation at the end of the time step, in S/R integr_continuity
949    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
950    o update timeave pkg for wVel diagnostic.
951    checkpoint46j_pre
952    
953    checkpoint46i_post
954    o Clean up AIM package (and keep the results unchanged):
955      include CPP_OPTION and use IMPLICT NONE in all routines ;
956      declare all the variables _RL ; use _d 0 for all numerical constants.
957      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
958    
959    checkpoint46h_post
960    o cleaned up the use of rhoNil and rhoConst.
961      - rhoNil should only appear in the LINEAR equation of state, everywhere
962        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
963        and the dynamical equations are all divided by rhoConst
964    o introduced new parameter rhoConstFresh, a reference density of fresh
965      water, to remove the fresh water flux's dependence on rhoNil. The default
966      value is 999.8 kg/m^3
967    o cleanup up external_forcing.F and external_forcing_surf.F
968      - can now be used by both OCEANIC and OCEANICP
969    checkpoint46h_pre
970    
971     Added code to convert surface volume flux (fresh water) into
972     a mass flux when using P coordinates in the ocean (OCEANICP).
973     Note: It assumes you have set rho0=rhoConst=density of fresh water.
974    
975    checkpoint46g_post
976    o Include a new diagnostic variable phiHydLow for the ocean model
977      - in z-coordinates, it is the bottom pressure anomaly
978      - in p-coordinates, it is the sea surface elevation
979      - in both cases, these variable have global drift, reflecting the mass
980        drift in z-coordinates and the volume drift in p-coordinates
981      - included time averaging for phiHydLow, be aware of the drift!
982    o depth-dependent computation of Bo_surf for pressure coordinates
983      in the ocean (buoyancyRelation='OCEANICP')
984      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
985        Theta, Salinity, and Pressure in the parameter list. This routine is
986        presently contained in find_rho.F. This routine does not give the
987        correct density for 'POLY3', which would be a z-dependent reference
988        density.
989    o cleaned up find_rho
990      - removed obsolete 'eqn' from the parameter list.
991    o added two new verification experiments: gop and goz
992      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
993    checkpoint46g_pre
994    
995    checkpoint46f_post
996    o Enable tangent linear (forward mode) gradient checks:
997      - extended active file handling to g_... files
998      - added TANGENT_SIMULATION to theSimulationMode
999      - extended grdchk package accordingly
1000    o added tangent linear setup in verification/carbon/code_ftl
1001    o added adjoint setup in verification/front_relax/code_ad
1002    
1003    checkpoint46e_post
1004    o Added new equation of state -> MDJWF
1005      - EOS of McDougall et al., 2002, JAOT, submitted
1006      - caveat: the equation of state is only valid for a smaller (more
1007        realistic?) range of values than JMD95P/Z and UNESCO
1008      - added masks to the calculation of pressure in store_pressure
1009      - added more check values for density in check_eos (ini_eos.F), some of
1010        the old check values are out of the range of the MDJWF-eos, so don't
1011        expect perfect matches for those
1012    checkpoint46e_pre
1013    
1014    checkpoint46d_post
1015    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
1016      'OCEANICP', also initialised field pressure correctly in ini_eos in the
1017      case of pressure coordinates. eosType='JMD95Z' in
1018      combination with buoyancyRelation='OCEANICP' now causes an error.
1019    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1020      in find_alpha/beta.
1021    checkpoint46d_pre
1022    
1023    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1024      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
1025    
1026    checkpoint46c_post
1027    o Changes necessary for ocean in p-coordinates
1028     -  Added new buoyancy relation = 'OCEANICP'
1029     -  Added new parameters = gravitySign (this used to be contained inside
1030        the factor dRdZ which I added when we first switched to R coordinates).
1031     X GM/Redi is not compatible (yet)
1032     X bottom drag and no-slip need to be debugged.
1033    checkpoint46c_pre
1034    
1035    checkpoint46b_post
1036    o Added new equation of state -> JMD95Z and JMD95P
1037      - EOS of Jackett and McDougall, 1995, JAOT
1038      - moved all EOS parameters into EOS.h
1039      - new routines ini_eos.F, store_pressure.F
1040    o Added UNESCO EOS, but not recommended because it requires
1041      in-situ temperature (see JMD95)
1042    o Modified formatting for knudsen2.f in utils/knudsen2 and added
1043      unesco.f to be used with POLY3
1044    checkpoint46b_pre
1045    
1046    checkpoint46a_post
1047    o Added (atmospheric) pressure loading
1048      - new field in FFIELDS.h, etc...
1049      - new cpp flag ATMOSPHERIC_LOADING
1050    o Changed hFacC to _hFacC in calc_phi_hyd.F
1051    o Added SHORTWAVE_HEATING to some files for consistency
1052    checkpoint46a_pre
1053    
1054    checkpoint46
1055    further merges from release1_p5
1056    o new ctrl package
1057      - adopted from ECCO environment to enable optimization
1058      - added Eliassen Palm fluxes to controls
1059    o added Eliassen Palm flux controls to gradient check package
1060    o cost package
1061      - Compatible with new ctrl package
1062      - added Eliassen Palm cost hooks
1063      - modif's of existing cost functions
1064    o Adjoint-related bug fixes in kpp:
1065      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
1066      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
1067    o autodiff package
1068      - flow directives:
1069        + new for S/R do_the_model_io
1070        + enhanced for S/R checkpoint
1071        + new gmredi.flow
1072      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
1073        disable adcommon.h/g_common.h by default.
1074      - fixed problem for adjoint of global_max
1075    o modified verification/carbon/
1076    o New setup for adjoint of global_ocean
1077    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
1078    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
1079    o incorporated hooks for sponge layer code (external_forcing.F)
1080    
1081    checkpoint45d_post
1082    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
1083    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
1084      (affects plume_on_slope "cg2d" output)
1085    o add new parameter deltaTfreesurf for free-surface time stepping
1086    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
1087    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
1088    o change phiMin in exp1 (to agree with documentation)
1089    o add new flags:
1090     - T,S forcing inside/outside Adams-Bashforth
1091     - turn off temp,salt advection and/or forcing
1092     - for each tracer, define internal flag for multiDimAdvection & A-B
1093    o monitor: change definition of KE to check conservation of Energy
1094    
1095    checkpoint45c_post
1096    o Removed f90 comments ("!")
1097    o Modified initialisations to enable exf package for MITgcm
1098      (without invoking ECCO_PACKAGE).
1099    o modifications to gradient check package (Martin Losch)
1100      - enable centered differences
1101      - modified format of standard output
1102    
1103    checkpoint45b_post
1104    o cleaned exchange calls in cg2d
1105    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
1106    o included CPP option SINGLE_LAYER_MODE in thermodynamics
1107      to configure barotropic setup (Martin Losch)
1108    o moved some initialisations within bi,bj loop in dynamics
1109      (TAF flow dependency)
1110    o in initialise_varia, moved call packages_init_variables
1111      before convective_adjustment_init
1112      (corresponding adjustment of TAF tape initialisation).
1113    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
1114    
1115    checkpoint45a_post
1116    o compute Rho over the whole domain (extend iMin,jMin indices)
1117    o specific exchange for X-slice domain (case Ny=1)
1118    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
1119    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
1120    
1121    checkpoint44h_post = checkpoint45
1122    o Fix to restore differentiability:
1123      place at which packages_init_variables is called in
1124      initialise_varia is crucial for reverse control flow.
1125    o modifications in GMRedi to enable stable adjoint
1126      (corresponding modif's in thermodynamics, dynamics)
1127    o added missing hook for sponge layer code in external_forcing
1128    o modified test cost functions
1129    o storing in gad_advection (plus removal of write(0,*)!
1130    o missing headers TR1.h added in convective_adjustment routines
1131    o errorMessageUnit set non-equal zero in eeboot
1132      (conflict on some platforms, e.g. IBM SP3)
1133    o modified carbon verif.
1134    
1135    checkpoint44h_pre
1136    o vertical grid option: allow to put the Interface at the middle between
1137      2 cell-centers ; replace delZ in pkg/kpp by drF.
1138    o GM Advective form: Tracers are advected using the residual transport (=
1139      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
1140    
1141  checkpoint44g_post  checkpoint44g_post
1142  o fix surface correction term in multiDimAdvection (affects plume_on_slope  o fix surface correction term in multiDimAdvection (affects plume_on_slope
1143    results) ; ifdef missing in thermodynamics.F    results) ; ifdef missing in thermodynamics.F

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