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revision 1.60 by jmc, Sun Feb 10 20:07:14 2002 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
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
574      (mostly adding new routines to make list and replacing
575      pressure by totPhiHyd).
576    o Updated and merged grdchk package
577      - has both ADM and TLM checks
578      - works for single- and multi-proc.
579      - output cleaned
580      - worked successfully for parallel DIVA
581    o genmake:
582      - Adding -platform=SP4
583      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
584    o Modif. for DIVA:
585      ctrl_unpack should not be called in intermediate DIVA interval.
586      (similar thing would apply for active files such as
587      tbar, sbar, psbar, which should not be reinitialised;
588      only relevant for ecco-branch)
589    
590    checkpoint48h_post
591    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
592    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
593    o Added SEAICE_initialHEFF to pkg/seaice
594    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
595    
596    checkpoint48g_post
597    --- EOS:
598    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
599      store total Potential in totPhyHyd for diagnostics & EOS.
600    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
601    --- Pressure/geopotential gradient:
602    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
603    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
604      ( changes results of global_ocean_pressure )
605    o NLFS + z-coord.: add eta*Rho' contribution.
606    o accurate phiHyd when using interface-W at the middle between 2 centers
607     ( changes results of ideal_2D_oce )
608    o includes r* 2nd term in potential gradient.
609    
610    checkpoint48f_post
611    Merging from release1_p12:
612    o Modifications for using pkg/exf with pkg/seaice
613      - improved description of the various forcing configurations
614      - added basic radiation bulk formulae to pkg/exf
615      - units/sign fix for evap computation in exf_getffields.F
616      - updated verification/global_with_exf/results/output.txt
617    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
618      (SBO) core products, including oceanic mass, center-of-mass,
619      angular, and bottom pressure (see pkg/sbo/README.sbo).
620    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
621      to avoid negative values in shallow regions.
622      - updated verification/natl_box/results/output.txt
623      - updated verification/lab_sea/results/output.txt
624    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
625    o Added useSingleCpuIO option (see PARAMS.h).
626    o Updated useSingleCpuIO option in mdsio_writefield.F to
627      work with multi-field files, e.g., for single-file pickup.
628    o pkg/seaice:
629      - bug fix in growth.F: QNET for no shortwave case
630      - added HeffFile for specifying initial sea-ice thickness
631      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
632    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
633      kpp_transport_t.F, forward_step.F, and the_main_loop.F
634    o pkg/seaice:
635      - adjoint-friendly modifications
636      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
637    
638    checkpoint48e_post
639    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
640    o dynamics: change definition of computational domain & adapt mom_fluxform
641      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
642    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
643        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
644        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
645        global_ocean.90x40x15 global_with_exf global_ocean_pressure
646        inverted_barometer solid-body.cs-32x32x1
647      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
648    
649    checkpoint48d_post
650    o in preparation for r*:
651     a) use pre-computed gradient of hydrostatic potential:
652        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
653     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
654        => affects results of glob_oce_pressure (different truncation error)  
655      update output.txt of ideal_2D_oce & global_ocean_pressure
656    
657    checkpoint48d_pre
658    o in preparation for r*:
659      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
660      pass the 2 comp. of the grad. as arguments to momentum S/R.
661      but for the moment, only used if it does not change the results.
662    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
663    
664    checkpoint48c_post
665    Modifications in treatment of initial flux forcing controls
666    to avoid extra storing of flux fields.
667    
668    checkpoint48c_pre
669    o Added tidal_basin_2d experiment (currently 1D!)
670    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
671    
672    checkpoint48b_post
673    o r* coordinate added in #ifdef NONLIN_FRSURF block.
674     (modification to pressure gradient not yet implemented)
675    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
676      (for U & V) that are used for vertical advection of momentum.
677    
678    checkpoint48a_post
679    o In preparation for r*, use temp. array to compute vertical transport
680       in flux-form momentum pkg. => change results of few test-exp.
681      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
682                        lab_sea, natl_box & plume_on_slope
683    
684    checkpoint48
685    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
686    
687    checkpoint47j_post
688    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
689    o moved adexch from forward_step to addummy_in_stepping
690    o added exch in ctrl_map_...
691    o aveFreq.=0. at end of cost_final to avoid overwrite in
692      reverse checkpointing loop
693    o Yet more changes in gmredi:
694      * adgmredi_calc_tensor
695        avoiding all recomputation of gmredi_slope_limit
696      * adgmredi_x/y/rtransport
697        added flag for excessive storing to avoid recomp. of
698        u/v/rtans, dTdx/y/z
699        -> this is not really necessary and very memory-consuming
700      * adgmredi_slope_psi:
701        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
702      * gmredi_slope_limit
703        re-activated full calculation of taperfct for case 'ac02'
704    o updating verification/ adjoints of carbon, global_ocean.90x40x15
705    
706    checkpoint47i_post
707    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
708    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
709      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
710    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
711    o gmredi: fix few bugs.
712    
713    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
714    This will be a good checkpoint to plug into the ecco-branch.
715    o few modif.'s to get latest version adjointed
716      (mainly kick out code in ini_linear_phisurf)
717    o modif's to run adjoint with exactConserv
718    o case GM_BOLUS_ADVEC should be cleaned
719      S/R gmredi_slope_psi should be cleaned
720    o verification/carbon now has exactConserv=.TRUE.
721    
722    checkpoint47g_post
723    o time-average AIM output: becomes independent from statvars time-average
724      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
725    o After TAF bug fix:
726      Tested adjoint of gmredi package.
727      Tests were done with checkpoint47 rather than with latest
728      checkpoint47f_post since the latter is broken for the adjoint
729      verification/carbon/ contains both ADM and TLM gradient checks.
730    Here they are, before they get changed/lost/stolen.
731    Mostly modif.'s to fix numerical sensitivities.
732    Gradient checks OK for
733    - GM_taper_scheme:
734      * clipping
735      * ac02
736      * linear
737      * glw91
738      * dm95
739      * ldd97
740    - GMREDI_OPTIONS:
741      * GM_VISBECK_VARIABLE_K
742      * GM_NON_UNITY_DIAGONAL
743      * GM_EXTRA_DIAGONAL
744      * GM_BOLUS_ADVEC
745    in conjunction with data.gmredi parameters to be checked in
746    in a few minutes under verification/carbon/code/
747    
748    checkpoint47f_post
749    Merging from release1_p10:
750    o modifications for using pkg/exf with pkg/seaice
751      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
752        and SEAICE_EXTERNAL_FLUXES
753      - pkg/exf CPP options EXF_READ_EVAP and
754        EXF_NO_BULK_COMPUTATIONS
755      - usage examples are Experiments 8 and 9 in
756        verification/lab_sea/README
757      - verification/lab_sea default experiment now uses
758        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
759    
760    checkpoint47e_post
761    o created a tag prior to creating a branch
762    
763    checkpoint47d_post
764    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
765      at the bottom boundary had an erroneous half slip boundary condition
766    o added bottom drag and no slip boundary condition capabilities to
767      oceanic pressure coordinates code
768    o added new verification experiment global_ocean_pressure, this experiment is
769      also described in the tutorial section of the manual
770    checkpoint47d_pre
771    
772    checkpoint47c_post
773    o Added a verification experiment for a global cubed-sphere ocean run
774      -  verification/global_ocean.cubed32x32x30
775      -  uses pkg/therm_seaice and pkg/bulk_forcing
776    
777    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
778    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
779      when using P-coordinate; only implemented for atmospheric config.
780    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
781      NOTES: requires option NONLIN_FRSURF to be "#define".
782    o update advect_xz/results/output.txt (left from checkpoint44g_post)
783    
784    checkpoint47b_post
785    Merging from release1_p9:
786    o pkg/seaice
787      - removed GOTO's and added taf directives
788      - double precision constants to reduce the g77 (Linux)
789        to F77 (SGI) differences reported in release1_p8
790    o tools/genmake
791      - added SGI options
792    o verification/testscript
793      - updated to that of checkpoint47a_post
794    o verification/global_ocean.90x40x15/input/eedata
795      - modified for SGI f77 compatibility
796    o verification/lab_sea
797      - added description of sea-ice model
798      - added missing matlab routines
799      - added test of thermodynamics parallelization
800    
801    checkpoint47a_post
802    o new pkg: aim_v23
803     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
804       for now, keep the same surface forcing as before.
805     - Part-Cell implemented into AIM; check that Heat & Water are conserved
806     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
807     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
808    o add diagnostic of surface correction term in monitor output
809    
810    o bulk_force and therm_seaice
811    - Two packages:  bulk_force (Bulk forcing)
812      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
813    - Earlier integration from Stephaine Dutkiewicz
814      and Patrick Heimbach.
815    - Two ifdef statements for compile time,
816       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
817    
818    checkpoint47
819    differentiable version of checkpoint46n_post
820    o bug fix in quasihydrostaticterms
821    o * "clean" adjoint code (in terms of extensive recomputations)
822        can now be obtained for all GMREDI options (i.e. for
823        - GM_VISBECK_VARIABLE_K
824        - GM_NON_UNITY_DIAGONAL
825        - GM_EXTRA_DIAGONAL
826        - GM_BOLUS_ADVEC )
827      * However, wrong gradient check problem remains unsolved.
828      * New CPP options have been introduced for different
829        tapering schemes
830    o external_fields_load now part of differentiation list
831    o pressure needs multiple storing;
832      would be nice to have store_pressure at beginning or
833      end of forward_step, e.g. by having phiHyd global (5-dim.)
834      (NB: pressure is needed for certain cases in find_rho,
835      which is also invoked through convective_adjustment).
836    o recomputations in find_rho for cases
837     'JMD95'/'UNESCO' or 'MDJWF' are OK.
838    o #define ATMOSPHERIC_LOADING should be differentiable
839    o ini_forcing shifted to begining of initialise_varia
840    o Incorporating QNVS line search routines into MITgcm
841      (this is separate code, and therefore not under pkg)
842      lsopt/, optim/
843    o Updated verification/carbon/
844      - #define GM_VISBECK_VARIABLE_K
845      - GM_taper_scheme    = 'ldd97'    
846    
847    checkpoint46n_post
848    Merging from release1_p8:
849    o verification/natl_box:
850      updating new external_fields_load routine
851    o New package: pkg/seaice
852      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
853      The sea-ice code is based on Hibler (1979-1980).
854      Two sea-ice dynamic solvers, ADI and LSR, are included.
855      In addition to computing prognostic sea-ice variables and diagnosing
856      the forcing/external data fields that drive the ocean model,
857      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
858      The implied surface heat flux is then stored in variable
859      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
860      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
861      non-local transport term.  Because this call precedes model
862      thermodynamics, temperature under sea-ice may not be "exactly" at
863      the freezing point by the time theta is dumped or time-averaged.
864      N.B.: fairly large differences in accuracy occur across
865            different platforms/compilers; comparison between
866            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
867            generated output gives:
868       T           S           U           V
869      C D M    c        m  s        m  s        m  s        m  s
870      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
871      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
872      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
873    
874      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
875    o GAD:
876      - generated new common blocks to account for call of
877        same gad routines with differing traceridentities
878        (needed to modify tracerIdentity indices in GAD.h)
879      - generated separate common blocks for case useCubedSphereExchange
880        (Department of Futurology)
881      - parameter lists to gmredi_?transport: added tracerIdentity
882      - added new key indices to tamc.h
883    o external_fields_load:
884      - added this routine to TAF list
885      - needed to make some common blocks global and additional storing
886        along the same lines as exf package (checkpoint_lev?_directives.h)
887    o exf:
888      updated external forcing package
889      - bug fixes carried over from ecco-branch
890        (missing OBCS_OPTIONS.h in two routines)
891      - enable easy to use "no forcing".
892      - added exf I/O for atmospheric loading
893      - added exf I/O for runoff data
894      - transfered scaling between exf <-> MITgcm to exf namelist
895    o Adding new verification experiment global_with_exf.
896      This verification experiment is almost identical to the
897      global_ocean.90x40x15 experiment, except that it uses
898      the exf (and cal) package instead of the
899      external_fields_load routine (cf README file).
900    
901    checkpoint46m_post
902    o modified testscript to return -- when there are no lines of "%MON" output
903    o added new flag "quasiHydrostatic" for QH mode
904      and new routine quasihydrostaticterms()
905    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
906      New routine: mom_u_coriolis_nh()
907    o fixed sign of non-hydrostatic metric terms in u and v equations.
908      Depend on correct sign of gravitySign.
909    o added work.pc* to .cvsignore in aim directories using ifc
910    o introduced flag for controllin non-hydrostatic metric terms
911    o removed gravitySign from PARM04
912    o switched to g77/ifc from pgf77 in aim experiments
913    
914    checkpoint46l_post
915    o made convective adjustment work with pressure coordinates:
916     - changed the direction of k-loop in convective_adjustment.F for the
917       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
918     - adjusted the reference pressure k-index in convective_adjustment.F
919     - adjusted the convection condition in convect.F (in analogy to
920       calc_ivdc.F)
921     - convective_adjustment no longer computes anything on the halos
922     - removed the warnings about negative salinity from find_rho.F and
923       find_alpha.F; instead the new routine look_for_neg_salinity, called
924       at the beginning of find_rho, find_alpha, and find_beta, does a
925       check of the entire slice, if CPP-option
926       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
927    checkpoint46l_pre
928    
929    checkpoint46k_post
930    o fixed the verification/global_ocean.90x40x15 experiment:
931     - new bathymetry (the world according to A., JMC, and M.)
932     - new initial fields and forcing fields (*.bin files)
933     - new POLY3.COEFFS (for the next release one should switch to a full
934       equation of state: JMD95P or MDJWF)
935     - fixed several errors and redundancies in the data file
936     - experiment uses looped cells
937     - added matlab directory with diagnostic scripts for plotting of output
938    
939    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
940     - read AIM physics parameters from a file (data.aimphys)
941     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
942    
943    checkpoint46j_post
944    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
945    o move wVel computation at the end of the time step, in S/R integr_continuity
946    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
947    o update timeave pkg for wVel diagnostic.
948    checkpoint46j_pre
949    
950    checkpoint46i_post
951    o Clean up AIM package (and keep the results unchanged):
952      include CPP_OPTION and use IMPLICT NONE in all routines ;
953      declare all the variables _RL ; use _d 0 for all numerical constants.
954      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
955    
956    checkpoint46h_post
957    o cleaned up the use of rhoNil and rhoConst.
958      - rhoNil should only appear in the LINEAR equation of state, everywhere
959        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
960        and the dynamical equations are all divided by rhoConst
961    o introduced new parameter rhoConstFresh, a reference density of fresh
962      water, to remove the fresh water flux's dependence on rhoNil. The default
963      value is 999.8 kg/m^3
964    o cleanup up external_forcing.F and external_forcing_surf.F
965      - can now be used by both OCEANIC and OCEANICP
966    checkpoint46h_pre
967    
968     Added code to convert surface volume flux (fresh water) into
969     a mass flux when using P coordinates in the ocean (OCEANICP).
970     Note: It assumes you have set rho0=rhoConst=density of fresh water.
971    
972    checkpoint46g_post
973    o Include a new diagnostic variable phiHydLow for the ocean model
974      - in z-coordinates, it is the bottom pressure anomaly
975      - in p-coordinates, it is the sea surface elevation
976      - in both cases, these variable have global drift, reflecting the mass
977        drift in z-coordinates and the volume drift in p-coordinates
978      - included time averaging for phiHydLow, be aware of the drift!
979    o depth-dependent computation of Bo_surf for pressure coordinates
980      in the ocean (buoyancyRelation='OCEANICP')
981      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
982        Theta, Salinity, and Pressure in the parameter list. This routine is
983        presently contained in find_rho.F. This routine does not give the
984        correct density for 'POLY3', which would be a z-dependent reference
985        density.
986    o cleaned up find_rho
987      - removed obsolete 'eqn' from the parameter list.
988    o added two new verification experiments: gop and goz
989      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
990    checkpoint46g_pre
991    
992    checkpoint46f_post
993    o Enable tangent linear (forward mode) gradient checks:
994      - extended active file handling to g_... files
995      - added TANGENT_SIMULATION to theSimulationMode
996      - extended grdchk package accordingly
997    o added tangent linear setup in verification/carbon/code_ftl
998    o added adjoint setup in verification/front_relax/code_ad
999    
1000    checkpoint46e_post
1001    o Added new equation of state -> MDJWF
1002      - EOS of McDougall et al., 2002, JAOT, submitted
1003      - caveat: the equation of state is only valid for a smaller (more
1004        realistic?) range of values than JMD95P/Z and UNESCO
1005      - added masks to the calculation of pressure in store_pressure
1006      - added more check values for density in check_eos (ini_eos.F), some of
1007        the old check values are out of the range of the MDJWF-eos, so don't
1008        expect perfect matches for those
1009    checkpoint46e_pre
1010    
1011    checkpoint46d_post
1012    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
1013      'OCEANICP', also initialised field pressure correctly in ini_eos in the
1014      case of pressure coordinates. eosType='JMD95Z' in
1015      combination with buoyancyRelation='OCEANICP' now causes an error.
1016    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1017      in find_alpha/beta.
1018    checkpoint46d_pre
1019    
1020    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1021      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
1022    
1023    checkpoint46c_post
1024    o Changes necessary for ocean in p-coordinates
1025     -  Added new buoyancy relation = 'OCEANICP'
1026     -  Added new parameters = gravitySign (this used to be contained inside
1027        the factor dRdZ which I added when we first switched to R coordinates).
1028     X GM/Redi is not compatible (yet)
1029     X bottom drag and no-slip need to be debugged.
1030    checkpoint46c_pre
1031    
1032    checkpoint46b_post
1033    o Added new equation of state -> JMD95Z and JMD95P
1034      - EOS of Jackett and McDougall, 1995, JAOT
1035      - moved all EOS parameters into EOS.h
1036      - new routines ini_eos.F, store_pressure.F
1037    o Added UNESCO EOS, but not recommended because it requires
1038      in-situ temperature (see JMD95)
1039    o Modified formatting for knudsen2.f in utils/knudsen2 and added
1040      unesco.f to be used with POLY3
1041    checkpoint46b_pre
1042    
1043    checkpoint46a_post
1044    o Added (atmospheric) pressure loading
1045      - new field in FFIELDS.h, etc...
1046      - new cpp flag ATMOSPHERIC_LOADING
1047    o Changed hFacC to _hFacC in calc_phi_hyd.F
1048    o Added SHORTWAVE_HEATING to some files for consistency
1049    checkpoint46a_pre
1050    
1051    checkpoint46
1052    further merges from release1_p5
1053    o new ctrl package
1054      - adopted from ECCO environment to enable optimization
1055      - added Eliassen Palm fluxes to controls
1056    o added Eliassen Palm flux controls to gradient check package
1057    o cost package
1058      - Compatible with new ctrl package
1059      - added Eliassen Palm cost hooks
1060      - modif's of existing cost functions
1061    o Adjoint-related bug fixes in kpp:
1062      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
1063      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
1064    o autodiff package
1065      - flow directives:
1066        + new for S/R do_the_model_io
1067        + enhanced for S/R checkpoint
1068        + new gmredi.flow
1069      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
1070        disable adcommon.h/g_common.h by default.
1071      - fixed problem for adjoint of global_max
1072    o modified verification/carbon/
1073    o New setup for adjoint of global_ocean
1074    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
1075    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
1076    o incorporated hooks for sponge layer code (external_forcing.F)
1077    
1078    checkpoint45d_post
1079    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
1080    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
1081      (affects plume_on_slope "cg2d" output)
1082    o add new parameter deltaTfreesurf for free-surface time stepping
1083    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
1084    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
1085    o change phiMin in exp1 (to agree with documentation)
1086    o add new flags:
1087     - T,S forcing inside/outside Adams-Bashforth
1088     - turn off temp,salt advection and/or forcing
1089     - for each tracer, define internal flag for multiDimAdvection & A-B
1090    o monitor: change definition of KE to check conservation of Energy
1091    
1092    checkpoint45c_post
1093    o Removed f90 comments ("!")
1094    o Modified initialisations to enable exf package for MITgcm
1095      (without invoking ECCO_PACKAGE).
1096    o modifications to gradient check package (Martin Losch)
1097      - enable centered differences
1098      - modified format of standard output
1099    
1100    checkpoint45b_post
1101    o cleaned exchange calls in cg2d
1102    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
1103    o included CPP option SINGLE_LAYER_MODE in thermodynamics
1104      to configure barotropic setup (Martin Losch)
1105    o moved some initialisations within bi,bj loop in dynamics
1106      (TAF flow dependency)
1107    o in initialise_varia, moved call packages_init_variables
1108      before convective_adjustment_init
1109      (corresponding adjustment of TAF tape initialisation).
1110    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
1111    
1112    checkpoint45a_post
1113    o compute Rho over the whole domain (extend iMin,jMin indices)
1114    o specific exchange for X-slice domain (case Ny=1)
1115    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
1116    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
1117    
1118    checkpoint44h_post = checkpoint45
1119    o Fix to restore differentiability:
1120      place at which packages_init_variables is called in
1121      initialise_varia is crucial for reverse control flow.
1122    o modifications in GMRedi to enable stable adjoint
1123      (corresponding modif's in thermodynamics, dynamics)
1124    o added missing hook for sponge layer code in external_forcing
1125    o modified test cost functions
1126    o storing in gad_advection (plus removal of write(0,*)!
1127    o missing headers TR1.h added in convective_adjustment routines
1128    o errorMessageUnit set non-equal zero in eeboot
1129      (conflict on some platforms, e.g. IBM SP3)
1130    o modified carbon verif.
1131    
1132    checkpoint44h_pre
1133    o vertical grid option: allow to put the Interface at the middle between
1134      2 cell-centers ; replace delZ in pkg/kpp by drF.
1135    o GM Advective form: Tracers are advected using the residual transport (=
1136      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
1137    
1138    checkpoint44g_post
1139    o fix surface correction term in multiDimAdvection (affects plume_on_slope
1140      results) ; ifdef missing in thermodynamics.F
1141    
1142    checkpoint44f_pre,checkpoint44f_post
1143    o added PTRACERS package
1144      This allows an arbitrary number of passive tracers to be integrated
1145      forward simultaneously with the dynamicaly model.
1146      + Implemented so far:
1147        - basic forward algorithm (time-stepping, advection, diffusion, convection)
1148        - I/O and checkpointing
1149        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
1150      + Not implemented so far:
1151        - KPP
1152        - OBCS
1153      + No specific example supplied (yet) but global_ocean.90x40x15 has the
1154        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
1155        line in data.pkg.
1156      + This package is disabled by default since it increases storage.
1157    
1158    
1159    o testscript: added -cleanup option
1160    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
1161                 b) enable to filter 2D fields.
1162    
1163    checkpoint44e_pre,post
1164    o re-wrote convective adjustment to use pre-calculated weights
1165      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
1166      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
1167      Original calls to convect() still in place.
1168    
1169    chkpt44d_pre,post
1170    o added missing EXCLUDE_MONITOR flags
1171    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
1172      (incompatible typ in MIN/MAX expressions caused problems
1173      on IBM SP3)
1174    o in genmake added variable MAKEDEPEND
1175      plus resetting for case SunOS
1176    o added timer_stats.c routine for IBM SP3
1177    o removed variables in dynamics
1178    !!! I forgot to create tag chkpt44d_pre !!!
1179    !!! But chkpt44d_pre = chkpt44c_post    !!!
1180    
1181  o real fresh water flux implemented with non-linear free-surface.  o real fresh water flux implemented with non-linear free-surface.
1182    

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