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revision 1.52 by heimbach, Thu Sep 27 20:13:58 2001 UTC revision 1.241 by dimitri, Thu Jan 15 03:38:22 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 genmake2: add build & execute test for NetCDF code
7    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
8      old grid files, moved CPP_EEMACROS.h to pkg/exch2
9    o added useSingleCPUIO flag to monitor.F and mon_out.F
10    o added temporary hack for sea-ice dynamics on the cube:
11      metric terms are ignored and it is assumed that
12      there is no sea-ice on cube faces 1, 2, 4, and 5.
13    
14    checkpoint52f_post
15    o added exch2 cube routines to pkg/exch2
16    o modified hs94.cs-32x32x5 to use it
17    o added new grid files to hs94.cs-32x32x5
18    checkpoint52f_pre
19    
20    checkpoint52e_post
21    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
22      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
23    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
24      to work with implicit vertical advection and AB ;
25    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
26    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
27     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
28    checkpoint52e_pre
29    
30    o fix bug in impldiff when Nr=1 or Nr=2.
31    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
32    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
33    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
34      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
35    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
36    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
37    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
38    
39    checkpoint52d_post
40    o re-tiled many expts to allow comparison in multi-processor mode
41      - updated output accordingly
42      - changed hs94.128x64x5 to use intial T from file rather than use the
43        random number generator
44    o add infrastructure in model routines for fizhi and gridalt packages
45    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
46    o changes to permit hi-res, cubed-sphere, configuration
47      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
48      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
49      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
50        of surface winds for the cube
51      (A verification experiment, based on global_ocean.cs32x15, but with
52       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
53       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
54       complete with example surface forcing files and matlab scripts to look
55       at the output and compare it with that of global_ocean.cs32x15.)
56    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
57       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
58       to conform to the common rule.
59    o check-in the first version of the coupler + interfaces for multi-components
60       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
61       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
62       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
63       - ocean and atmos. share the same horizontal grid (no interpolation).
64       - exchanges between component and coupler is done in forward_step
65    o new verification experiment, cpl_aim+ocn:
66       coupled ocean - AIM atmosphere on cs32 grid.
67    
68    checkpoint52d_pre
69    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
70    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
71    
72    checkpoint52c_post
73    o Fixing OPTIONS files for use of exf:
74      - ALLOW_ECCO not needed
75      - ECCO_CPPOPTIONS.h should not be included from
76        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
77        as has been the case in the past
78      - All cal/exf related options are currently set in
79        single header file. Should remain so until we
80        agree on a consistent new policy.
81    o Removed all CPP options for cal package.
82      cal has no more CPP options.
83    o modified STOREs in GAD_ADVECTION
84    o corrected key comp. for passkey
85    
86    checkpoint52b_post
87    o new version: "thsice" of thermodynamic sea-ice pkg:
88     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
89     - modify fluxes but do not change theta directly;
90     - light cleaning of bulk_force pkg (still needed with thsice).
91     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
92       + output_thsice.txt to test thsice & bulk_force pkgs.
93    o put back grid & coriolis monitor output.
94    checkpoint52b_pre
95    
96    o call "do_the_model_io" at the beginning (=> dump initial state)
97    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
98    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
99      (need info on NUMBER_OF_PTRACERS)
100    o missing PTRACERS headers in some routines
101    o default tamc.h in pkg/autodiff supposed to crash
102      to ensure proper customization
103    
104    checkpoint52a_post
105    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
106      - moved surfaceTendencyTice from pkg/seaice to main code
107      - subroutine FREEZE_SURFACE now limits only surface temperature
108        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
109        => new output.txt for global_ocean.cs32x15 & global_with_exf
110      - keep the old version of FREEZE for backward compatibility;
111        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
112      - corresponding modifs for TAF directives
113    o added surface flux output variables to TIMEAVE_STATVARS
114    o time-averaged output for pkg/ptracers
115    o fix problem with ECCO-related divided adjoint
116      snapshot file was missing some ad-variables,
117      but no warning issued by TAF
118    
119    checkpoint52a_pre
120    o some bug fixes for #undef REAL4_IS_SLOW
121    
122    checkpoint52 = ecco_c52_e35
123    o after testing adjoints of checkpoint51u_post
124    
125    checkpoint51u_post
126    o this is the post-merge tag of the ecco-branch
127      (needs another clean checkout and re-testing)
128    o various natl_box_adjoint configs and results
129      but no input fields
130    o obcs adjoint not yet merged!
131    o adding ECCO global 1x1 and 2x2 degree configs
132    o updated/extended some store directives for seaice
133    o pkg/ecco now containes ecco-specific part of cost function
134    o top level routines the_main_loop, forward_step
135      supersede those in model/src/
136      previous input data.cost now in data.ecco
137      (new namelist ecco_cost_nml)
138    o in ctrl/ cleaned some cross-dependencies and updated CPP options
139    
140    checkpoint51t_post
141    o this is the pre-merge tag of the ecco-branch
142    
143    checkpoint51s_post
144    o cleanup: removed various obsolete #define-s
145    o pkg/grdchk
146      - renamed 'ph-grd 3' to 'grad-res'
147      - merged from ecco-branch
148        (remaining bug fixes for obcs gradient checks)
149      - additional high-precision output for testreport
150        (grep for 'precision_grdchk_result')
151    
152    checkpoint51r_post
153    o cleaned up or removed CPP_OPTIONS.h files
154    o updated results for some of the tests to reflect the new
155      optfiles (-ieee: -O0 instead of -O3)
156    
157    checkpoint51q_post
158    o cd_code:
159      - moved cd_scheme.F -> cd_code_scheme.F
160      - separate read_checkpoint from cd_code_ini_vars.F
161      - separated cd_code part from write_checkpoint
162      - updated AD_SOURCE, generated .flow
163      - added CD_CODE_VARS.h to the_main_loop
164      - Moving cd_code specific store dir.s to pkg/cd_code
165    o ctrl package totally restructured
166      - pack/unpack now optional and decoupled from
167        xx_/adxx_ I/O
168      - ctrl_pack/unpack cleaned
169        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
170      - confined inclusion of AD_CONFIG.h to where necessary.
171    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
172    
173    checkpoint51p_post
174    o create initial cd_code package
175      - WARNING: the initialization of fields within packages
176        is broken because INI_FIELDS (where READ_CHECKPOINT is
177        called) is called *before* PACKAGES_INIT_VARIABLES.
178        This seems to be backwards since
179        1) its important to initially zero the entire field including
180           the "halo" region
181        2) zeroing needs to be done *before* reading pickup info
182           and the pickup call might or might not happen in any
183           particular run
184      - this needs an overhaul for R2
185    o cleanup verification/*/code/GMREDI_OPTIONS.h
186    o cleanup testreport
187    
188    checkpoint51o_post
189    o bringing AD-related verif's up to date with genmake2
190      - carbon/
191      - global_ocean.90x40x15/
192      - hs.94.1x64x5/
193      - (front_relax/ )
194    o (more) consistent directory structure for AD-related verif.'s
195    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
196    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
197    o bug fix in find_alpha.F for MDJWF:
198      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
199        change rho -> rho-rhoConst
200      - replace call find_rho to find_rhonum
201    o initialisation of rFlx extended to full array (required by TAF)
202      and shifted to thermodynamics
203    o removed PTRACERS.h in ptracers routine
204    o added surfacetendencyPtr to S/R parameter list pracers_forcing
205    o Correcting initialisations for fVerU, fVerV.
206    o helping TAF to recognize dependency on kUp for
207      fVerU, fVerV
208    o Replacing delZ by delR in pkg/ctrl/
209    checkpoint51o_pre
210    
211    o undid all of cp51 pending some cleanups and discussion
212    o added the [#include "AD_CONFIG.h"] statement to all files that need
213       it for adjoint/tl #defines
214     o re-worked the build logic in genmake2 to support AD_CONFIG.h
215     o removed tools/genmake since it no longer works
216    
217    checkpoint51n_post
218    o modifications to make FREEZE flux visible to pkg/kpp
219      - moved surfaceTendencyTice from pkg/seaice to main code
220      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
221      - subroutine FREEZE now limits only surface temperature
222        (this means new output.txt for global_ocean.90x40x15,
223         global_ocean.cs32x15, and global_with_exf)
224    o added surface flux output variables to TIMEAVE_STATVARS
225    
226    checkpoint51n_pre
227    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
228    o added [#include "AD_CONFIG.h"] to all files that use the following
229      defines:
230      - ALLOW_ADJOINT_RUN
231      - ALLOW_TANGENTLINEAR_RUN
232      - ALLOW_ECCO_OPTIMIZATION
233    
234    checkpoint51m_post
235    o incorporating changes to get TAMC/TAF working in genmake2
236      - added new TAMC/TAF targets to the Makefile
237      - various cleanups related to package handling
238      - these changes should have no impact on the forward model
239    
240    checkpoint51l_post
241    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
242     - faster algorithm for cal_addtime.F
243     - higher precision arithmetic, where needed
244     - pkg/exf *startdate variables changed from calendar date to
245       model integration time
246    
247    checkpoint51l_pre
248    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
249    o enable to apply restoring on S & T only in a latitude band.
250    o update output (external_forcing_surf modif. change truncation errors)
251       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
252    
253    checkpoint51k_post
254    o change default to: useNHMTerms=.FALSE.
255     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
256       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
257     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
258        exp1, ideal_2D_oce
259     - change data file of oceanic exp (leave the results unchanged for now)
260       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
261    o set gravitySign automatically according to the vertical coordinate used
262      (and change sign: back to "logical" value: +1 when R increases downward)
263    o added an include barrier to the default CPP_OPTIONS.h and
264      removed the #include "PACKAGES_CONFIG.h" from it
265    o fix a bug in mom_fluxform (from chk51j_post)
266    
267    checkpoint51j_post
268    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
269    o adjusted some flow directives (dynamics, thermodynamics)
270    o added cubed-sphere case to test cost function
271    o heckpoint_lev?_directives.h now include
272      pkg-specific directives, whenever those are enabled.
273    o Moving pkg-specific flow directives to corresponding pkg
274      Moving pkg-specific differentiation list to corresponding pkg
275      Moving pkg-specific checkpoint-lev storing to corresponding pkg
276      ---> conventions are
277           - pkg_ad.flow
278           - pkg_ad_diff.list
279           - pkg_ad_check_lev?_dir.h
280    
281    checkpoint51i_post
282    o merge of the branch-genmake2
283      - knowingly breaks the older genmake
284      - automatic generation of all ALLOW_${PKG_NAME} defines
285      - new testreport supersedes older testscript
286    o large number of package inclusion and header cleanups
287    checkpoint51i_pre
288    
289    o new output for adjoin of global ocean vector invariant
290    o fix for checkpoint of thermodynamic seaice and bulk_force
291    o Steph gchem various cleanups
292    
293    checkpoint 51h_pre
294    o fixed some single quotes
295    o modify gchem pkg to be more versatile
296    o modifications to clean up dic pkg
297    o add pkg/cfc
298    
299    checkpoint51g_post
300    o provide links for ARPACK and ADM*TLM
301    o start removing verification/vero/
302    o update AD-related stuff
303      (in particular some IF-statements in model/src/ routines)
304    o adding to verification/global_ocean.90x40x15/ adjoint of
305      vector invariant setup
306    
307    checkpoint51f_post
308    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
309    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
310      of tracer Green's fucntions for ocean inversion project.
311    
312    checkpoint51f_pre
313    o Added on-the-fly spatial interpolation capability
314        "USE_EXF_INTERPOLATION" to pkg/exf.
315      - This is a temporary Cartesian-grid hack until
316        the super-duper ESMF coupler becomes available.
317      - See verification/global_with_exf/README for usage example.
318      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
319        flags and modified pkg/seaice accordingly.
320    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
321        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
322        non-local transport term.
323    
324    checkpoint51e_post
325    o pkg/mom_vecinv:
326      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
327      - add time-ave diagnostic of vorticity advection.
328    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
329    o atmospheric geopotential: - include water vapor effect;
330                                - use p^kappa in p* scaling.
331    o land pkg: read initial state from files.
332    o AIM : add stratospheric drag in the upper level
333    
334    checkpoint51d_post
335    o change function ILNBLNK (=> last non-blank char.) to return zero
336      (instead of the string length) when the string. char is empty
337    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
338    o modif's to restore TAMC compatibility
339      - avoid "_d" constructs in PARAMETER declarations
340      - avoid interrupting lines by comment lines
341    o Use cluster local disks for purely local I/O
342      vs. globally visible disks needed for ctrl stuff
343      (merged from ecco-branch)
344      - new active_file_loc... and mdsio_..._loc routines
345      - affected packages: autodiff, ctrl, grdchk, mdsio
346    
347    checkpoint51c_post
348    o introducing integer flag debugLevel
349      - debLevZero: suppress all output
350      - debLevA: standard
351      - debLevB: equivalent to current debugMode=.TRUE.
352    o introducing pathname variable mdsioLocalDir for mdsio
353      that can be specified at runtime
354      (relevant for cluster I/O to local disk)
355    `
356    >>>checkpoint51b_post
357    adjoint of ptracers
358    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
359    o extended state in checkpoint_lev?, etc.
360    o alternative ctrl/cost with tr1 or ptracer
361    o new comlev1_bibj_ptracers
362    o new ptracers.flow
363    o made ptracers_forcing same as external_forcing_s
364    o added verification for adjoint with ptracers
365      - adm. grdchk fail so far
366      - tlm. grdchk OK
367      - checked tapelev/comlev recomputations: OK
368    <<<checkpoint51b_pre
369    
370    checkpoint51a_post
371    o added code for biogeochemistry package
372      - new pkgs: dic, gchem
373      - new subroutine in ptracers
374    o modify code for biogeo packages
375      - in model/src and pkg/ptracers
376    
377    checkpoint51
378    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
379      - autodiff, ctrl, exf, grdchk, seaice
380      kept separate packages
381      - cost, ecco, obcs
382    o updating verification/internal_wave, verification/lab_sea
383      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
384    
385    checkpoint50i_post
386    o Preparing next differentiable checkpoint and sync
387      of MAIN vs. ecco-branch
388      - 1st step: this one is differentiable
389      - 2nd step: next(! not this) checkpoint will have updated packages
390                  from ecco-branch)
391    
392    checkpoint50h_post
393    o new package "land": provide surface BC for AIM.
394    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
395    o AIM: use true log-P extrapolation for near surface temp (= as in
396        F.Molteni paper) ; update aim.5l_cs output.
397    o New variable in PARM03 for more flexible pickups
398    o somewhat cleaned package initialisation sequence for
399      ctrl/ cost/ ecco/ in packages_... routines
400    
401    checkpoint50g_post
402    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
403      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
404      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
405        made the default because of faster convergence than ADI
406    
407    checkpoint50f_post
408    o exf totally restructured
409      - replaced all exf_set_ routines by one generic exf_set_gen.F
410        and made sure it's still differentiable
411      - split exf_getffields.F into new exf_bulkformulae.F
412      - exf_inscal_/exf_outscal_ suffixes consistent with field names
413      - updated adjoint/makefile and relevant verif. accordingly
414    
415    checkpoint50f_pre
416     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
417          + change Evap over land. (update aim.5l_cs output)
418     o added missing .cvsignores and made uniform across expts
419     o changed configuration of tidal_basin_2d expt
420     o added pkg/debug functions for tracing code in fatal crashes
421     o tidied pkg/monitor to use MONITOR_OPTIONS.h
422     o new fn in pkg/monitor to stop model if solution grows too big
423     o removed lots of single quotes from comments
424    
425    checkpoint50e_post
426    o make KPP work with PTRACERS
427     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
428       nearly a copy of kpp_transport_s
429     - there is no analogue to SurfaceTendencyS, so I have to use
430       gPtr(of the surface layer) instead
431    o add a new platform SunFire+mpi (SunFire 15000) to genmake
432    checkpoint50e_pre
433    
434    checkpoint50d_post
435    o change kpp output from multiple-record state files to single-record state
436      files analogous to write_state.F
437    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
438      analogous to the cg2d-related output.
439    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
440      so that writing to internal file fn (with length 512) fails.
441    checkpoint50d_pre
442    
443    checkpoint50c_post
444    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
445    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
446    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
447    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
448    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
449    
450    checkpoint50c_pre
451    Merging from release1_p13:
452    o bug fix for pkg/seaice dynamic solver
453    o Added SEAICE_initialHEFF to pkg/seaice
454    
455    checkpoint50b_post
456    o store u*,v* in gU,V instead of in guNm1,gvNm1
457    o in order to put the momForcing out of the Adams-Bashforth:
458      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
459      to timestep.F
460    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
461    o re-generate output for highly sensitive test-exp:
462       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
463    
464    checkpoint50b_pre
465    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
466    o corrected CPP option mismatch in exf_Bulk... functions for case
467      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
468    
469    checkpoint50a_post
470    o Bug fix for merging between c50 and KPP.
471      ikey was passed from thermodynamics to kpp_calc via
472      common block rather than being recomputed in kpp_calc,
473      in contradiction with new key itdkey.
474      New key ikppkey created, and tamc.h headers updated.
475    
476    checkpoint50
477    - 2nd step of merge with ecco-branch:
478      merge changes in ecco-branch back into main trunk
479    - bug fix in find_alpha
480    - more storing in gmredi_calc_tensor.F, kpp_routines.F
481    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
482    - merged some sliced AD support routines
483    
484    checkpoint49
485    merged from ecco-branch:
486    o exf:
487      - Enable initialisation of forcing fields to constant
488        (runtime) values.
489      - in exf_getffields.F
490        Reduce i-/j-loop to interior domain, discarding overlaps.
491        That also fixes wrong TAF-key computations for key_1, key_2
492        with bulf formulae.
493      - exf_init.F modify #ifdef for exf_init_evap
494      - exf_getffieldrec.F, ctrl_getrec.F
495        The following INT-usages are not safe:
496          fldsecs  = int(fldsecs/fldperiod)*fldperiod
497          fldcount = int(fldsecs/fldperiod) + 1
498        and were modified.
499    o autodiff: checkpoint_lev...
500      - updated storing for bulk formulae (some arrays were missing)
501      - added state for seaice package
502      - synchronized with main branch
503    o DIVA:
504      Modif.s in
505      - the_main_loop.F
506      - the_model_main.F
507      and added cost_final_restore.F cost_final_store.F
508      o With these changes, it is possible to fully separate
509        the first forward run to compute the cost function (mdthe_main_loop)
510        and adjoint runs over individual DIVA intervals (adthe_main_loop)
511        into separate model executions.
512        This enables better tuning of DIVA to given queue sizes.
513      o Loss of cost function value in consecutive DIVA runs is
514        fixed by storing to 'costfinal' file.
515      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
516        beginning/end of adjoint integration is accounted for.
517      The current changes apply to TAF-1.4.26.
518      TAF has one remaining bug, requiring one manual change
519      (see MITgcm manual).
520    o cal: synchronized between MAIN and ecco-branch
521    
522    checkpoint48i_post
523    o Changes to restore differentiability of code w.r.t. previous tag
524      (mostly adding new routines to make list and replacing
525      pressure by totPhiHyd).
526    o Updated and merged grdchk package
527      - has both ADM and TLM checks
528      - works for single- and multi-proc.
529      - output cleaned
530      - worked successfully for parallel DIVA
531    o genmake:
532      - Adding -platform=SP4
533      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
534    o Modif. for DIVA:
535      ctrl_unpack should not be called in intermediate DIVA interval.
536      (similar thing would apply for active files such as
537      tbar, sbar, psbar, which should not be reinitialised;
538      only relevant for ecco-branch)
539    
540    checkpoint48h_post
541    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
542    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
543    o Added SEAICE_initialHEFF to pkg/seaice
544    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
545    
546    checkpoint48g_post
547    --- EOS:
548    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
549      store total Potential in totPhyHyd for diagnostics & EOS.
550    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
551    --- Pressure/geopotential gradient:
552    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
553    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
554      ( changes results of global_ocean_pressure )
555    o NLFS + z-coord.: add eta*Rho' contribution.
556    o accurate phiHyd when using interface-W at the middle between 2 centers
557     ( changes results of ideal_2D_oce )
558    o includes r* 2nd term in potential gradient.
559    
560    checkpoint48f_post
561    Merging from release1_p12:
562    o Modifications for using pkg/exf with pkg/seaice
563      - improved description of the various forcing configurations
564      - added basic radiation bulk formulae to pkg/exf
565      - units/sign fix for evap computation in exf_getffields.F
566      - updated verification/global_with_exf/results/output.txt
567    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
568      (SBO) core products, including oceanic mass, center-of-mass,
569      angular, and bottom pressure (see pkg/sbo/README.sbo).
570    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
571      to avoid negative values in shallow regions.
572      - updated verification/natl_box/results/output.txt
573      - updated verification/lab_sea/results/output.txt
574    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
575    o Added useSingleCpuIO option (see PARAMS.h).
576    o Updated useSingleCpuIO option in mdsio_writefield.F to
577      work with multi-field files, e.g., for single-file pickup.
578    o pkg/seaice:
579      - bug fix in growth.F: QNET for no shortwave case
580      - added HeffFile for specifying initial sea-ice thickness
581      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
582    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
583      kpp_transport_t.F, forward_step.F, and the_main_loop.F
584    o pkg/seaice:
585      - adjoint-friendly modifications
586      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
587    
588    checkpoint48e_post
589    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
590    o dynamics: change definition of computational domain & adapt mom_fluxform
591      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
592    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
593        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
594        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
595        global_ocean.90x40x15 global_with_exf global_ocean_pressure
596        inverted_barometer solid-body.cs-32x32x1
597      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
598    
599    checkpoint48d_post
600    o in preparation for r*:
601     a) use pre-computed gradient of hydrostatic potential:
602        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
603     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
604        => affects results of glob_oce_pressure (different truncation error)  
605      update output.txt of ideal_2D_oce & global_ocean_pressure
606    
607    checkpoint48d_pre
608    o in preparation for r*:
609      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
610      pass the 2 comp. of the grad. as arguments to momentum S/R.
611      but for the moment, only used if it does not change the results.
612    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
613    
614    checkpoint48c_post
615    Modifications in treatment of initial flux forcing controls
616    to avoid extra storing of flux fields.
617    
618    checkpoint48c_pre
619    o Added tidal_basin_2d experiment (currently 1D!)
620    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
621    
622    checkpoint48b_post
623    o r* coordinate added in #ifdef NONLIN_FRSURF block.
624     (modification to pressure gradient not yet implemented)
625    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
626      (for U & V) that are used for vertical advection of momentum.
627    
628    checkpoint48a_post
629    o In preparation for r*, use temp. array to compute vertical transport
630       in flux-form momentum pkg. => change results of few test-exp.
631      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
632                        lab_sea, natl_box & plume_on_slope
633    
634    checkpoint48
635    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
636    
637    checkpoint47j_post
638    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
639    o moved adexch from forward_step to addummy_in_stepping
640    o added exch in ctrl_map_...
641    o aveFreq.=0. at end of cost_final to avoid overwrite in
642      reverse checkpointing loop
643    o Yet more changes in gmredi:
644      * adgmredi_calc_tensor
645        avoiding all recomputation of gmredi_slope_limit
646      * adgmredi_x/y/rtransport
647        added flag for excessive storing to avoid recomp. of
648        u/v/rtans, dTdx/y/z
649        -> this is not really necessary and very memory-consuming
650      * adgmredi_slope_psi:
651        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
652      * gmredi_slope_limit
653        re-activated full calculation of taperfct for case 'ac02'
654    o updating verification/ adjoints of carbon, global_ocean.90x40x15
655    
656    checkpoint47i_post
657    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
658    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
659      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
660    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
661    o gmredi: fix few bugs.
662    
663    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
664    This will be a good checkpoint to plug into the ecco-branch.
665    o few modif.'s to get latest version adjointed
666      (mainly kick out code in ini_linear_phisurf)
667    o modif's to run adjoint with exactConserv
668    o case GM_BOLUS_ADVEC should be cleaned
669      S/R gmredi_slope_psi should be cleaned
670    o verification/carbon now has exactConserv=.TRUE.
671    
672    checkpoint47g_post
673    o time-average AIM output: becomes independent from statvars time-average
674      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
675    o After TAF bug fix:
676      Tested adjoint of gmredi package.
677      Tests were done with checkpoint47 rather than with latest
678      checkpoint47f_post since the latter is broken for the adjoint
679      verification/carbon/ contains both ADM and TLM gradient checks.
680    Here they are, before they get changed/lost/stolen.
681    Mostly modif.'s to fix numerical sensitivities.
682    Gradient checks OK for
683    - GM_taper_scheme:
684      * clipping
685      * ac02
686      * linear
687      * glw91
688      * dm95
689      * ldd97
690    - GMREDI_OPTIONS:
691      * GM_VISBECK_VARIABLE_K
692      * GM_NON_UNITY_DIAGONAL
693      * GM_EXTRA_DIAGONAL
694      * GM_BOLUS_ADVEC
695    in conjunction with data.gmredi parameters to be checked in
696    in a few minutes under verification/carbon/code/
697    
698    checkpoint47f_post
699    Merging from release1_p10:
700    o modifications for using pkg/exf with pkg/seaice
701      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
702        and SEAICE_EXTERNAL_FLUXES
703      - pkg/exf CPP options EXF_READ_EVAP and
704        EXF_NO_BULK_COMPUTATIONS
705      - usage examples are Experiments 8 and 9 in
706        verification/lab_sea/README
707      - verification/lab_sea default experiment now uses
708        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
709    
710    checkpoint47e_post
711    o created a tag prior to creating a branch
712    
713    checkpoint47d_post
714    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
715      at the bottom boundary had an erroneous half slip boundary condition
716    o added bottom drag and no slip boundary condition capabilities to
717      oceanic pressure coordinates code
718    o added new verification experiment global_ocean_pressure, this experiment is
719      also described in the tutorial section of the manual
720    checkpoint47d_pre
721    
722    checkpoint47c_post
723    o Added a verification experiment for a global cubed-sphere ocean run
724      -  verification/global_ocean.cubed32x32x30
725      -  uses pkg/therm_seaice and pkg/bulk_forcing
726    
727    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
728    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
729      when using P-coordinate; only implemented for atmospheric config.
730    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
731      NOTES: requires option NONLIN_FRSURF to be "#define".
732    o update advect_xz/results/output.txt (left from checkpoint44g_post)
733    
734    checkpoint47b_post
735    Merging from release1_p9:
736    o pkg/seaice
737      - removed GOTO's and added taf directives
738      - double precision constants to reduce the g77 (Linux)
739        to F77 (SGI) differences reported in release1_p8
740    o tools/genmake
741      - added SGI options
742    o verification/testscript
743      - updated to that of checkpoint47a_post
744    o verification/global_ocean.90x40x15/input/eedata
745      - modified for SGI f77 compatibility
746    o verification/lab_sea
747      - added description of sea-ice model
748      - added missing matlab routines
749      - added test of thermodynamics parallelization
750    
751    checkpoint47a_post
752    o new pkg: aim_v23
753     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
754       for now, keep the same surface forcing as before.
755     - Part-Cell implemented into AIM; check that Heat & Water are conserved
756     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
757     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
758    o add diagnostic of surface correction term in monitor output
759    
760    o bulk_force and therm_seaice
761    - Two packages:  bulk_force (Bulk forcing)
762      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
763    - Earlier integration from Stephaine Dutkiewicz
764      and Patrick Heimbach.
765    - Two ifdef statements for compile time,
766       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
767    
768    checkpoint47
769    differentiable version of checkpoint46n_post
770    o bug fix in quasihydrostaticterms
771    o * "clean" adjoint code (in terms of extensive recomputations)
772        can now be obtained for all GMREDI options (i.e. for
773        - GM_VISBECK_VARIABLE_K
774        - GM_NON_UNITY_DIAGONAL
775        - GM_EXTRA_DIAGONAL
776        - GM_BOLUS_ADVEC )
777      * However, wrong gradient check problem remains unsolved.
778      * New CPP options have been introduced for different
779        tapering schemes
780    o external_fields_load now part of differentiation list
781    o pressure needs multiple storing;
782      would be nice to have store_pressure at beginning or
783      end of forward_step, e.g. by having phiHyd global (5-dim.)
784      (NB: pressure is needed for certain cases in find_rho,
785      which is also invoked through convective_adjustment).
786    o recomputations in find_rho for cases
787     'JMD95'/'UNESCO' or 'MDJWF' are OK.
788    o #define ATMOSPHERIC_LOADING should be differentiable
789    o ini_forcing shifted to begining of initialise_varia
790    o Incorporating QNVS line search routines into MITgcm
791      (this is separate code, and therefore not under pkg)
792      lsopt/, optim/
793    o Updated verification/carbon/
794      - #define GM_VISBECK_VARIABLE_K
795      - GM_taper_scheme    = 'ldd97'    
796    
797    checkpoint46n_post
798    Merging from release1_p8:
799    o verification/natl_box:
800      updating new external_fields_load routine
801    o New package: pkg/seaice
802      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
803      The sea-ice code is based on Hibler (1979-1980).
804      Two sea-ice dynamic solvers, ADI and LSR, are included.
805      In addition to computing prognostic sea-ice variables and diagnosing
806      the forcing/external data fields that drive the ocean model,
807      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
808      The implied surface heat flux is then stored in variable
809      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
810      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
811      non-local transport term.  Because this call precedes model
812      thermodynamics, temperature under sea-ice may not be "exactly" at
813      the freezing point by the time theta is dumped or time-averaged.
814      N.B.: fairly large differences in accuracy occur across
815            different platforms/compilers; comparison between
816            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
817            generated output gives:
818       T           S           U           V
819      C D M    c        m  s        m  s        m  s        m  s
820      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
821      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
822      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
823    
824      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
825    o GAD:
826      - generated new common blocks to account for call of
827        same gad routines with differing traceridentities
828        (needed to modify tracerIdentity indices in GAD.h)
829      - generated separate common blocks for case useCubedSphereExchange
830        (Department of Futurology)
831      - parameter lists to gmredi_?transport: added tracerIdentity
832      - added new key indices to tamc.h
833    o external_fields_load:
834      - added this routine to TAF list
835      - needed to make some common blocks global and additional storing
836        along the same lines as exf package (checkpoint_lev?_directives.h)
837    o exf:
838      updated external forcing package
839      - bug fixes carried over from ecco-branch
840        (missing OBCS_OPTIONS.h in two routines)
841      - enable easy to use "no forcing".
842      - added exf I/O for atmospheric loading
843      - added exf I/O for runoff data
844      - transfered scaling between exf <-> MITgcm to exf namelist
845    o Adding new verification experiment global_with_exf.
846      This verification experiment is almost identical to the
847      global_ocean.90x40x15 experiment, except that it uses
848      the exf (and cal) package instead of the
849      external_fields_load routine (cf README file).
850    
851    checkpoint46m_post
852    o modified testscript to return -- when there are no lines of "%MON" output
853    o added new flag "quasiHydrostatic" for QH mode
854      and new routine quasihydrostaticterms()
855    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
856      New routine: mom_u_coriolis_nh()
857    o fixed sign of non-hydrostatic metric terms in u and v equations.
858      Depend on correct sign of gravitySign.
859    o added work.pc* to .cvsignore in aim directories using ifc
860    o introduced flag for controllin non-hydrostatic metric terms
861    o removed gravitySign from PARM04
862    o switched to g77/ifc from pgf77 in aim experiments
863    
864    checkpoint46l_post
865    o made convective adjustment work with pressure coordinates:
866     - changed the direction of k-loop in convective_adjustment.F for the
867       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
868     - adjusted the reference pressure k-index in convective_adjustment.F
869     - adjusted the convection condition in convect.F (in analogy to
870       calc_ivdc.F)
871     - convective_adjustment no longer computes anything on the halos
872     - removed the warnings about negative salinity from find_rho.F and
873       find_alpha.F; instead the new routine look_for_neg_salinity, called
874       at the beginning of find_rho, find_alpha, and find_beta, does a
875       check of the entire slice, if CPP-option
876       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
877    checkpoint46l_pre
878    
879    checkpoint46k_post
880    o fixed the verification/global_ocean.90x40x15 experiment:
881     - new bathymetry (the world according to A., JMC, and M.)
882     - new initial fields and forcing fields (*.bin files)
883     - new POLY3.COEFFS (for the next release one should switch to a full
884       equation of state: JMD95P or MDJWF)
885     - fixed several errors and redundancies in the data file
886     - experiment uses looped cells
887     - added matlab directory with diagnostic scripts for plotting of output
888    
889    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
890     - read AIM physics parameters from a file (data.aimphys)
891     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
892    
893    checkpoint46j_post
894    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
895    o move wVel computation at the end of the time step, in S/R integr_continuity
896    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
897    o update timeave pkg for wVel diagnostic.
898    checkpoint46j_pre
899    
900    checkpoint46i_post
901    o Clean up AIM package (and keep the results unchanged):
902      include CPP_OPTION and use IMPLICT NONE in all routines ;
903      declare all the variables _RL ; use _d 0 for all numerical constants.
904      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
905    
906    checkpoint46h_post
907    o cleaned up the use of rhoNil and rhoConst.
908      - rhoNil should only appear in the LINEAR equation of state, everywhere
909        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
910        and the dynamical equations are all divided by rhoConst
911    o introduced new parameter rhoConstFresh, a reference density of fresh
912      water, to remove the fresh water flux's dependence on rhoNil. The default
913      value is 999.8 kg/m^3
914    o cleanup up external_forcing.F and external_forcing_surf.F
915      - can now be used by both OCEANIC and OCEANICP
916    checkpoint46h_pre
917    
918     Added code to convert surface volume flux (fresh water) into
919     a mass flux when using P coordinates in the ocean (OCEANICP).
920     Note: It assumes you have set rho0=rhoConst=density of fresh water.
921    
922    checkpoint46g_post
923    o Include a new diagnostic variable phiHydLow for the ocean model
924      - in z-coordinates, it is the bottom pressure anomaly
925      - in p-coordinates, it is the sea surface elevation
926      - in both cases, these variable have global drift, reflecting the mass
927        drift in z-coordinates and the volume drift in p-coordinates
928      - included time averaging for phiHydLow, be aware of the drift!
929    o depth-dependent computation of Bo_surf for pressure coordinates
930      in the ocean (buoyancyRelation='OCEANICP')
931      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
932        Theta, Salinity, and Pressure in the parameter list. This routine is
933        presently contained in find_rho.F. This routine does not give the
934        correct density for 'POLY3', which would be a z-dependent reference
935        density.
936    o cleaned up find_rho
937      - removed obsolete 'eqn' from the parameter list.
938    o added two new verification experiments: gop and goz
939      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
940    checkpoint46g_pre
941    
942    checkpoint46f_post
943    o Enable tangent linear (forward mode) gradient checks:
944      - extended active file handling to g_... files
945      - added TANGENT_SIMULATION to theSimulationMode
946      - extended grdchk package accordingly
947    o added tangent linear setup in verification/carbon/code_ftl
948    o added adjoint setup in verification/front_relax/code_ad
949    
950    checkpoint46e_post
951    o Added new equation of state -> MDJWF
952      - EOS of McDougall et al., 2002, JAOT, submitted
953      - caveat: the equation of state is only valid for a smaller (more
954        realistic?) range of values than JMD95P/Z and UNESCO
955      - added masks to the calculation of pressure in store_pressure
956      - added more check values for density in check_eos (ini_eos.F), some of
957        the old check values are out of the range of the MDJWF-eos, so don't
958        expect perfect matches for those
959    checkpoint46e_pre
960    
961    checkpoint46d_post
962    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
963      'OCEANICP', also initialised field pressure correctly in ini_eos in the
964      case of pressure coordinates. eosType='JMD95Z' in
965      combination with buoyancyRelation='OCEANICP' now causes an error.
966    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
967      in find_alpha/beta.
968    checkpoint46d_pre
969    
970    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
971      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
972    
973    checkpoint46c_post
974    o Changes necessary for ocean in p-coordinates
975     -  Added new buoyancy relation = 'OCEANICP'
976     -  Added new parameters = gravitySign (this used to be contained inside
977        the factor dRdZ which I added when we first switched to R coordinates).
978     X GM/Redi is not compatible (yet)
979     X bottom drag and no-slip need to be debugged.
980    checkpoint46c_pre
981    
982    checkpoint46b_post
983    o Added new equation of state -> JMD95Z and JMD95P
984      - EOS of Jackett and McDougall, 1995, JAOT
985      - moved all EOS parameters into EOS.h
986      - new routines ini_eos.F, store_pressure.F
987    o Added UNESCO EOS, but not recommended because it requires
988      in-situ temperature (see JMD95)
989    o Modified formatting for knudsen2.f in utils/knudsen2 and added
990      unesco.f to be used with POLY3
991    checkpoint46b_pre
992    
993    checkpoint46a_post
994    o Added (atmospheric) pressure loading
995      - new field in FFIELDS.h, etc...
996      - new cpp flag ATMOSPHERIC_LOADING
997    o Changed hFacC to _hFacC in calc_phi_hyd.F
998    o Added SHORTWAVE_HEATING to some files for consistency
999    checkpoint46a_pre
1000    
1001    checkpoint46
1002    further merges from release1_p5
1003    o new ctrl package
1004      - adopted from ECCO environment to enable optimization
1005      - added Eliassen Palm fluxes to controls
1006    o added Eliassen Palm flux controls to gradient check package
1007    o cost package
1008      - Compatible with new ctrl package
1009      - added Eliassen Palm cost hooks
1010      - modif's of existing cost functions
1011    o Adjoint-related bug fixes in kpp:
1012      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
1013      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
1014    o autodiff package
1015      - flow directives:
1016        + new for S/R do_the_model_io
1017        + enhanced for S/R checkpoint
1018        + new gmredi.flow
1019      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
1020        disable adcommon.h/g_common.h by default.
1021      - fixed problem for adjoint of global_max
1022    o modified verification/carbon/
1023    o New setup for adjoint of global_ocean
1024    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
1025    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
1026    o incorporated hooks for sponge layer code (external_forcing.F)
1027    
1028    checkpoint45d_post
1029    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
1030    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
1031      (affects plume_on_slope "cg2d" output)
1032    o add new parameter deltaTfreesurf for free-surface time stepping
1033    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
1034    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
1035    o change phiMin in exp1 (to agree with documentation)
1036    o add new flags:
1037     - T,S forcing inside/outside Adams-Bashforth
1038     - turn off temp,salt advection and/or forcing
1039     - for each tracer, define internal flag for multiDimAdvection & A-B
1040    o monitor: change definition of KE to check conservation of Energy
1041    
1042    checkpoint45c_post
1043    o Removed f90 comments ("!")
1044    o Modified initialisations to enable exf package for MITgcm
1045      (without invoking ECCO_PACKAGE).
1046    o modifications to gradient check package (Martin Losch)
1047      - enable centered differences
1048      - modified format of standard output
1049    
1050    checkpoint45b_post
1051    o cleaned exchange calls in cg2d
1052    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
1053    o included CPP option SINGLE_LAYER_MODE in thermodynamics
1054      to configure barotropic setup (Martin Losch)
1055    o moved some initialisations within bi,bj loop in dynamics
1056      (TAF flow dependency)
1057    o in initialise_varia, moved call packages_init_variables
1058      before convective_adjustment_init
1059      (corresponding adjustment of TAF tape initialisation).
1060    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
1061    
1062    checkpoint45a_post
1063    o compute Rho over the whole domain (extend iMin,jMin indices)
1064    o specific exchange for X-slice domain (case Ny=1)
1065    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
1066    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
1067    
1068    checkpoint44h_post = checkpoint45
1069    o Fix to restore differentiability:
1070      place at which packages_init_variables is called in
1071      initialise_varia is crucial for reverse control flow.
1072    o modifications in GMRedi to enable stable adjoint
1073      (corresponding modif's in thermodynamics, dynamics)
1074    o added missing hook for sponge layer code in external_forcing
1075    o modified test cost functions
1076    o storing in gad_advection (plus removal of write(0,*)!
1077    o missing headers TR1.h added in convective_adjustment routines
1078    o errorMessageUnit set non-equal zero in eeboot
1079      (conflict on some platforms, e.g. IBM SP3)
1080    o modified carbon verif.
1081    
1082    checkpoint44h_pre
1083    o vertical grid option: allow to put the Interface at the middle between
1084      2 cell-centers ; replace delZ in pkg/kpp by drF.
1085    o GM Advective form: Tracers are advected using the residual transport (=
1086      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
1087    
1088    checkpoint44g_post
1089    o fix surface correction term in multiDimAdvection (affects plume_on_slope
1090      results) ; ifdef missing in thermodynamics.F
1091    
1092    checkpoint44f_pre,checkpoint44f_post
1093    o added PTRACERS package
1094      This allows an arbitrary number of passive tracers to be integrated
1095      forward simultaneously with the dynamicaly model.
1096      + Implemented so far:
1097        - basic forward algorithm (time-stepping, advection, diffusion, convection)
1098        - I/O and checkpointing
1099        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
1100      + Not implemented so far:
1101        - KPP
1102        - OBCS
1103      + No specific example supplied (yet) but global_ocean.90x40x15 has the
1104        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
1105        line in data.pkg.
1106      + This package is disabled by default since it increases storage.
1107    
1108    
1109    o testscript: added -cleanup option
1110    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
1111                 b) enable to filter 2D fields.
1112    
1113    checkpoint44e_pre,post
1114    o re-wrote convective adjustment to use pre-calculated weights
1115      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
1116      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
1117      Original calls to convect() still in place.
1118    
1119    chkpt44d_pre,post
1120    o added missing EXCLUDE_MONITOR flags
1121    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
1122      (incompatible typ in MIN/MAX expressions caused problems
1123      on IBM SP3)
1124    o in genmake added variable MAKEDEPEND
1125      plus resetting for case SunOS
1126    o added timer_stats.c routine for IBM SP3
1127    o removed variables in dynamics
1128    !!! I forgot to create tag chkpt44d_pre !!!
1129    !!! But chkpt44d_pre = chkpt44c_post    !!!
1130    
1131    o real fresh water flux implemented with non-linear free-surface.
1132    
1133    chkpt44c_pre,post
1134    o few fix (mask in shap_s2, EmPmR in external_field_load,
1135      USE_NATURAL_BCS in solve_for_P);
1136    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
1137    
1138    checkpoint44b_pre/_post
1139    o merge of relevant stuff from the ecco-branch:
1140      - genmake: removed $S64 overwrite for case SunOS
1141      - pkg/exf: update and corrections for field swapping and obcs
1142      - pkg/ecco: parameter lists for the_model_main, the_main_loop
1143                  harmonized between ECCO and MITgcm
1144      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
1145                      updated checkpointing_lev... lists for obcs
1146      - model/src: minor changes in forward_step, plot_field
1147                   added directive for divided adjoint in the_main_loop
1148      - pkg/mdsio: added mdsio_gl_slice
1149    
1150    o check parameters & config (chkpt44a_pre,post)
1151    o OBC and NonLin_FrSurf.
1152    
1153    checkpoint44
1154    o fix bug in mom_vi_del2uv
1155    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
1156    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
1157    o update AIM experiments (NCEP input files)
1158    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
1159    o added some stuff for AD
1160    
1161    checkpoint43
1162    o added two new advection tests
1163    o added global 4x4 degree ocean test
1164    o added test of H&S94 with free surface on cube
1165    o some final mods for gradient check, adjoint,...
1166    
1167  checkpoint42  checkpoint42
1168    Fixed AD-related problems:    Fixed AD-related problems:
1169  o Store directives up-to-date with re-arranged Adams-Bashforth  o Store directives up-to-date with re-arranged Adams-Bashforth

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