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revision 1.62 by adcroft, Wed Feb 27 21:19:59 2002 UTC revision 1.240 by edhill, Wed Jan 14 03:49:57 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 real fresh water flux implemented with non-linear free-surface.  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    
11    checkpoint52f_post
12    o added exch2 cube routines to pkg/exch2
13    o modified hs94.cs-32x32x5 to use it
14    o added new grid files to hs94.cs-32x32x5
15    checkpoint52f_pre
16    
17    checkpoint52e_post
18    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
19      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
20    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
21      to work with implicit vertical advection and AB ;
22    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
23    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
24     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
25    checkpoint52e_pre
26    
27    o fix bug in impldiff when Nr=1 or Nr=2.
28    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
29    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
30    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
31      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
32    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
33    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
34    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
35    
36    checkpoint52d_post
37    o re-tiled many expts to allow comparison in multi-processor mode
38      - updated output accordingly
39      - changed hs94.128x64x5 to use intial T from file rather than use the
40        random number generator
41    o add infrastructure in model routines for fizhi and gridalt packages
42    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
43    o changes to permit hi-res, cubed-sphere, configuration
44      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
45      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
46      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
47        of surface winds for the cube
48      (A verification experiment, based on global_ocean.cs32x15, but with
49       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
50       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
51       complete with example surface forcing files and matlab scripts to look
52       at the output and compare it with that of global_ocean.cs32x15.)
53    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
54       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
55       to conform to the common rule.
56    o check-in the first version of the coupler + interfaces for multi-components
57       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
58       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
59       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
60       - ocean and atmos. share the same horizontal grid (no interpolation).
61       - exchanges between component and coupler is done in forward_step
62    o new verification experiment, cpl_aim+ocn:
63       coupled ocean - AIM atmosphere on cs32 grid.
64    
65    checkpoint52d_pre
66    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
67    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
68    
69    checkpoint52c_post
70    o Fixing OPTIONS files for use of exf:
71      - ALLOW_ECCO not needed
72      - ECCO_CPPOPTIONS.h should not be included from
73        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
74        as has been the case in the past
75      - All cal/exf related options are currently set in
76        single header file. Should remain so until we
77        agree on a consistent new policy.
78    o Removed all CPP options for cal package.
79      cal has no more CPP options.
80    o modified STOREs in GAD_ADVECTION
81    o corrected key comp. for passkey
82    
83    checkpoint52b_post
84    o new version: "thsice" of thermodynamic sea-ice pkg:
85     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
86     - modify fluxes but do not change theta directly;
87     - light cleaning of bulk_force pkg (still needed with thsice).
88     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
89       + output_thsice.txt to test thsice & bulk_force pkgs.
90    o put back grid & coriolis monitor output.
91    checkpoint52b_pre
92    
93    o call "do_the_model_io" at the beginning (=> dump initial state)
94    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
95    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
96      (need info on NUMBER_OF_PTRACERS)
97    o missing PTRACERS headers in some routines
98    o default tamc.h in pkg/autodiff supposed to crash
99      to ensure proper customization
100    
101    checkpoint52a_post
102    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
103      - moved surfaceTendencyTice from pkg/seaice to main code
104      - subroutine FREEZE_SURFACE now limits only surface temperature
105        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
106        => new output.txt for global_ocean.cs32x15 & global_with_exf
107      - keep the old version of FREEZE for backward compatibility;
108        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
109      - corresponding modifs for TAF directives
110    o added surface flux output variables to TIMEAVE_STATVARS
111    o time-averaged output for pkg/ptracers
112    o fix problem with ECCO-related divided adjoint
113      snapshot file was missing some ad-variables,
114      but no warning issued by TAF
115    
116    checkpoint52a_pre
117    o some bug fixes for #undef REAL4_IS_SLOW
118    
119    checkpoint52 = ecco_c52_e35
120    o after testing adjoints of checkpoint51u_post
121    
122    checkpoint51u_post
123    o this is the post-merge tag of the ecco-branch
124      (needs another clean checkout and re-testing)
125    o various natl_box_adjoint configs and results
126      but no input fields
127    o obcs adjoint not yet merged!
128    o adding ECCO global 1x1 and 2x2 degree configs
129    o updated/extended some store directives for seaice
130    o pkg/ecco now containes ecco-specific part of cost function
131    o top level routines the_main_loop, forward_step
132      supersede those in model/src/
133      previous input data.cost now in data.ecco
134      (new namelist ecco_cost_nml)
135    o in ctrl/ cleaned some cross-dependencies and updated CPP options
136    
137    checkpoint51t_post
138    o this is the pre-merge tag of the ecco-branch
139    
140    checkpoint51s_post
141    o cleanup: removed various obsolete #define-s
142    o pkg/grdchk
143      - renamed 'ph-grd 3' to 'grad-res'
144      - merged from ecco-branch
145        (remaining bug fixes for obcs gradient checks)
146      - additional high-precision output for testreport
147        (grep for 'precision_grdchk_result')
148    
149    checkpoint51r_post
150    o cleaned up or removed CPP_OPTIONS.h files
151    o updated results for some of the tests to reflect the new
152      optfiles (-ieee: -O0 instead of -O3)
153    
154    checkpoint51q_post
155    o cd_code:
156      - moved cd_scheme.F -> cd_code_scheme.F
157      - separate read_checkpoint from cd_code_ini_vars.F
158      - separated cd_code part from write_checkpoint
159      - updated AD_SOURCE, generated .flow
160      - added CD_CODE_VARS.h to the_main_loop
161      - Moving cd_code specific store dir.s to pkg/cd_code
162    o ctrl package totally restructured
163      - pack/unpack now optional and decoupled from
164        xx_/adxx_ I/O
165      - ctrl_pack/unpack cleaned
166        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
167      - confined inclusion of AD_CONFIG.h to where necessary.
168    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
169    
170    checkpoint51p_post
171    o create initial cd_code package
172      - WARNING: the initialization of fields within packages
173        is broken because INI_FIELDS (where READ_CHECKPOINT is
174        called) is called *before* PACKAGES_INIT_VARIABLES.
175        This seems to be backwards since
176        1) its important to initially zero the entire field including
177           the "halo" region
178        2) zeroing needs to be done *before* reading pickup info
179           and the pickup call might or might not happen in any
180           particular run
181      - this needs an overhaul for R2
182    o cleanup verification/*/code/GMREDI_OPTIONS.h
183    o cleanup testreport
184    
185    checkpoint51o_post
186    o bringing AD-related verif's up to date with genmake2
187      - carbon/
188      - global_ocean.90x40x15/
189      - hs.94.1x64x5/
190      - (front_relax/ )
191    o (more) consistent directory structure for AD-related verif.'s
192    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
193    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
194    o bug fix in find_alpha.F for MDJWF:
195      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
196        change rho -> rho-rhoConst
197      - replace call find_rho to find_rhonum
198    o initialisation of rFlx extended to full array (required by TAF)
199      and shifted to thermodynamics
200    o removed PTRACERS.h in ptracers routine
201    o added surfacetendencyPtr to S/R parameter list pracers_forcing
202    o Correcting initialisations for fVerU, fVerV.
203    o helping TAF to recognize dependency on kUp for
204      fVerU, fVerV
205    o Replacing delZ by delR in pkg/ctrl/
206    checkpoint51o_pre
207    
208    o undid all of cp51 pending some cleanups and discussion
209    o added the [#include "AD_CONFIG.h"] statement to all files that need
210       it for adjoint/tl #defines
211     o re-worked the build logic in genmake2 to support AD_CONFIG.h
212     o removed tools/genmake since it no longer works
213    
214    checkpoint51n_post
215    o modifications to make FREEZE flux visible to pkg/kpp
216      - moved surfaceTendencyTice from pkg/seaice to main code
217      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
218      - subroutine FREEZE now limits only surface temperature
219        (this means new output.txt for global_ocean.90x40x15,
220         global_ocean.cs32x15, and global_with_exf)
221    o added surface flux output variables to TIMEAVE_STATVARS
222    
223    checkpoint51n_pre
224    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
225    o added [#include "AD_CONFIG.h"] to all files that use the following
226      defines:
227      - ALLOW_ADJOINT_RUN
228      - ALLOW_TANGENTLINEAR_RUN
229      - ALLOW_ECCO_OPTIMIZATION
230    
231    checkpoint51m_post
232    o incorporating changes to get TAMC/TAF working in genmake2
233      - added new TAMC/TAF targets to the Makefile
234      - various cleanups related to package handling
235      - these changes should have no impact on the forward model
236    
237    checkpoint51l_post
238    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
239     - faster algorithm for cal_addtime.F
240     - higher precision arithmetic, where needed
241     - pkg/exf *startdate variables changed from calendar date to
242       model integration time
243    
244    checkpoint51l_pre
245    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
246    o enable to apply restoring on S & T only in a latitude band.
247    o update output (external_forcing_surf modif. change truncation errors)
248       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
249    
250    checkpoint51k_post
251    o change default to: useNHMTerms=.FALSE.
252     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
253       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
254     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
255        exp1, ideal_2D_oce
256     - change data file of oceanic exp (leave the results unchanged for now)
257       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
258    o set gravitySign automatically according to the vertical coordinate used
259      (and change sign: back to "logical" value: +1 when R increases downward)
260    o added an include barrier to the default CPP_OPTIONS.h and
261      removed the #include "PACKAGES_CONFIG.h" from it
262    o fix a bug in mom_fluxform (from chk51j_post)
263    
264    checkpoint51j_post
265    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
266    o adjusted some flow directives (dynamics, thermodynamics)
267    o added cubed-sphere case to test cost function
268    o heckpoint_lev?_directives.h now include
269      pkg-specific directives, whenever those are enabled.
270    o Moving pkg-specific flow directives to corresponding pkg
271      Moving pkg-specific differentiation list to corresponding pkg
272      Moving pkg-specific checkpoint-lev storing to corresponding pkg
273      ---> conventions are
274           - pkg_ad.flow
275           - pkg_ad_diff.list
276           - pkg_ad_check_lev?_dir.h
277    
278    checkpoint51i_post
279    o merge of the branch-genmake2
280      - knowingly breaks the older genmake
281      - automatic generation of all ALLOW_${PKG_NAME} defines
282      - new testreport supersedes older testscript
283    o large number of package inclusion and header cleanups
284    checkpoint51i_pre
285    
286    o new output for adjoin of global ocean vector invariant
287    o fix for checkpoint of thermodynamic seaice and bulk_force
288    o Steph gchem various cleanups
289    
290    checkpoint 51h_pre
291    o fixed some single quotes
292    o modify gchem pkg to be more versatile
293    o modifications to clean up dic pkg
294    o add pkg/cfc
295    
296    checkpoint51g_post
297    o provide links for ARPACK and ADM*TLM
298    o start removing verification/vero/
299    o update AD-related stuff
300      (in particular some IF-statements in model/src/ routines)
301    o adding to verification/global_ocean.90x40x15/ adjoint of
302      vector invariant setup
303    
304    checkpoint51f_post
305    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
306    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
307      of tracer Green's fucntions for ocean inversion project.
308    
309    checkpoint51f_pre
310    o Added on-the-fly spatial interpolation capability
311        "USE_EXF_INTERPOLATION" to pkg/exf.
312      - This is a temporary Cartesian-grid hack until
313        the super-duper ESMF coupler becomes available.
314      - See verification/global_with_exf/README for usage example.
315      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
316        flags and modified pkg/seaice accordingly.
317    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
318        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
319        non-local transport term.
320    
321    checkpoint51e_post
322    o pkg/mom_vecinv:
323      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
324      - add time-ave diagnostic of vorticity advection.
325    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
326    o atmospheric geopotential: - include water vapor effect;
327                                - use p^kappa in p* scaling.
328    o land pkg: read initial state from files.
329    o AIM : add stratospheric drag in the upper level
330    
331    checkpoint51d_post
332    o change function ILNBLNK (=> last non-blank char.) to return zero
333      (instead of the string length) when the string. char is empty
334    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
335    o modif's to restore TAMC compatibility
336      - avoid "_d" constructs in PARAMETER declarations
337      - avoid interrupting lines by comment lines
338    o Use cluster local disks for purely local I/O
339      vs. globally visible disks needed for ctrl stuff
340      (merged from ecco-branch)
341      - new active_file_loc... and mdsio_..._loc routines
342      - affected packages: autodiff, ctrl, grdchk, mdsio
343    
344    checkpoint51c_post
345    o introducing integer flag debugLevel
346      - debLevZero: suppress all output
347      - debLevA: standard
348      - debLevB: equivalent to current debugMode=.TRUE.
349    o introducing pathname variable mdsioLocalDir for mdsio
350      that can be specified at runtime
351      (relevant for cluster I/O to local disk)
352    `
353    >>>checkpoint51b_post
354    adjoint of ptracers
355    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
356    o extended state in checkpoint_lev?, etc.
357    o alternative ctrl/cost with tr1 or ptracer
358    o new comlev1_bibj_ptracers
359    o new ptracers.flow
360    o made ptracers_forcing same as external_forcing_s
361    o added verification for adjoint with ptracers
362      - adm. grdchk fail so far
363      - tlm. grdchk OK
364      - checked tapelev/comlev recomputations: OK
365    <<<checkpoint51b_pre
366    
367    checkpoint51a_post
368    o added code for biogeochemistry package
369      - new pkgs: dic, gchem
370      - new subroutine in ptracers
371    o modify code for biogeo packages
372      - in model/src and pkg/ptracers
373    
374    checkpoint51
375    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
376      - autodiff, ctrl, exf, grdchk, seaice
377      kept separate packages
378      - cost, ecco, obcs
379    o updating verification/internal_wave, verification/lab_sea
380      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
381    
382    checkpoint50i_post
383    o Preparing next differentiable checkpoint and sync
384      of MAIN vs. ecco-branch
385      - 1st step: this one is differentiable
386      - 2nd step: next(! not this) checkpoint will have updated packages
387                  from ecco-branch)
388    
389    checkpoint50h_post
390    o new package "land": provide surface BC for AIM.
391    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
392    o AIM: use true log-P extrapolation for near surface temp (= as in
393        F.Molteni paper) ; update aim.5l_cs output.
394    o New variable in PARM03 for more flexible pickups
395    o somewhat cleaned package initialisation sequence for
396      ctrl/ cost/ ecco/ in packages_... routines
397    
398    checkpoint50g_post
399    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
400      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
401      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
402        made the default because of faster convergence than ADI
403    
404    checkpoint50f_post
405    o exf totally restructured
406      - replaced all exf_set_ routines by one generic exf_set_gen.F
407        and made sure it's still differentiable
408      - split exf_getffields.F into new exf_bulkformulae.F
409      - exf_inscal_/exf_outscal_ suffixes consistent with field names
410      - updated adjoint/makefile and relevant verif. accordingly
411    
412    checkpoint50f_pre
413     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
414          + change Evap over land. (update aim.5l_cs output)
415     o added missing .cvsignores and made uniform across expts
416     o changed configuration of tidal_basin_2d expt
417     o added pkg/debug functions for tracing code in fatal crashes
418     o tidied pkg/monitor to use MONITOR_OPTIONS.h
419     o new fn in pkg/monitor to stop model if solution grows too big
420     o removed lots of single quotes from comments
421    
422    checkpoint50e_post
423    o make KPP work with PTRACERS
424     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
425       nearly a copy of kpp_transport_s
426     - there is no analogue to SurfaceTendencyS, so I have to use
427       gPtr(of the surface layer) instead
428    o add a new platform SunFire+mpi (SunFire 15000) to genmake
429    checkpoint50e_pre
430    
431    checkpoint50d_post
432    o change kpp output from multiple-record state files to single-record state
433      files analogous to write_state.F
434    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
435      analogous to the cg2d-related output.
436    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
437      so that writing to internal file fn (with length 512) fails.
438    checkpoint50d_pre
439    
440    checkpoint50c_post
441    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
442    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
443    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
444    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
445    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
446    
447    checkpoint50c_pre
448    Merging from release1_p13:
449    o bug fix for pkg/seaice dynamic solver
450    o Added SEAICE_initialHEFF to pkg/seaice
451    
452    checkpoint50b_post
453    o store u*,v* in gU,V instead of in guNm1,gvNm1
454    o in order to put the momForcing out of the Adams-Bashforth:
455      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
456      to timestep.F
457    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
458    o re-generate output for highly sensitive test-exp:
459       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
460    
461    checkpoint50b_pre
462    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
463    o corrected CPP option mismatch in exf_Bulk... functions for case
464      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
465    
466    checkpoint50a_post
467    o Bug fix for merging between c50 and KPP.
468      ikey was passed from thermodynamics to kpp_calc via
469      common block rather than being recomputed in kpp_calc,
470      in contradiction with new key itdkey.
471      New key ikppkey created, and tamc.h headers updated.
472    
473    checkpoint50
474    - 2nd step of merge with ecco-branch:
475      merge changes in ecco-branch back into main trunk
476    - bug fix in find_alpha
477    - more storing in gmredi_calc_tensor.F, kpp_routines.F
478    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
479    - merged some sliced AD support routines
480    
481    checkpoint49
482    merged from ecco-branch:
483    o exf:
484      - Enable initialisation of forcing fields to constant
485        (runtime) values.
486      - in exf_getffields.F
487        Reduce i-/j-loop to interior domain, discarding overlaps.
488        That also fixes wrong TAF-key computations for key_1, key_2
489        with bulf formulae.
490      - exf_init.F modify #ifdef for exf_init_evap
491      - exf_getffieldrec.F, ctrl_getrec.F
492        The following INT-usages are not safe:
493          fldsecs  = int(fldsecs/fldperiod)*fldperiod
494          fldcount = int(fldsecs/fldperiod) + 1
495        and were modified.
496    o autodiff: checkpoint_lev...
497      - updated storing for bulk formulae (some arrays were missing)
498      - added state for seaice package
499      - synchronized with main branch
500    o DIVA:
501      Modif.s in
502      - the_main_loop.F
503      - the_model_main.F
504      and added cost_final_restore.F cost_final_store.F
505      o With these changes, it is possible to fully separate
506        the first forward run to compute the cost function (mdthe_main_loop)
507        and adjoint runs over individual DIVA intervals (adthe_main_loop)
508        into separate model executions.
509        This enables better tuning of DIVA to given queue sizes.
510      o Loss of cost function value in consecutive DIVA runs is
511        fixed by storing to 'costfinal' file.
512      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
513        beginning/end of adjoint integration is accounted for.
514      The current changes apply to TAF-1.4.26.
515      TAF has one remaining bug, requiring one manual change
516      (see MITgcm manual).
517    o cal: synchronized between MAIN and ecco-branch
518    
519    checkpoint48i_post
520    o Changes to restore differentiability of code w.r.t. previous tag
521      (mostly adding new routines to make list and replacing
522      pressure by totPhiHyd).
523    o Updated and merged grdchk package
524      - has both ADM and TLM checks
525      - works for single- and multi-proc.
526      - output cleaned
527      - worked successfully for parallel DIVA
528    o genmake:
529      - Adding -platform=SP4
530      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
531    o Modif. for DIVA:
532      ctrl_unpack should not be called in intermediate DIVA interval.
533      (similar thing would apply for active files such as
534      tbar, sbar, psbar, which should not be reinitialised;
535      only relevant for ecco-branch)
536    
537    checkpoint48h_post
538    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
539    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
540    o Added SEAICE_initialHEFF to pkg/seaice
541    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
542    
543    checkpoint48g_post
544    --- EOS:
545    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
546      store total Potential in totPhyHyd for diagnostics & EOS.
547    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
548    --- Pressure/geopotential gradient:
549    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
550    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
551      ( changes results of global_ocean_pressure )
552    o NLFS + z-coord.: add eta*Rho' contribution.
553    o accurate phiHyd when using interface-W at the middle between 2 centers
554     ( changes results of ideal_2D_oce )
555    o includes r* 2nd term in potential gradient.
556    
557    checkpoint48f_post
558    Merging from release1_p12:
559    o Modifications for using pkg/exf with pkg/seaice
560      - improved description of the various forcing configurations
561      - added basic radiation bulk formulae to pkg/exf
562      - units/sign fix for evap computation in exf_getffields.F
563      - updated verification/global_with_exf/results/output.txt
564    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
565      (SBO) core products, including oceanic mass, center-of-mass,
566      angular, and bottom pressure (see pkg/sbo/README.sbo).
567    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
568      to avoid negative values in shallow regions.
569      - updated verification/natl_box/results/output.txt
570      - updated verification/lab_sea/results/output.txt
571    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
572    o Added useSingleCpuIO option (see PARAMS.h).
573    o Updated useSingleCpuIO option in mdsio_writefield.F to
574      work with multi-field files, e.g., for single-file pickup.
575    o pkg/seaice:
576      - bug fix in growth.F: QNET for no shortwave case
577      - added HeffFile for specifying initial sea-ice thickness
578      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
579    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
580      kpp_transport_t.F, forward_step.F, and the_main_loop.F
581    o pkg/seaice:
582      - adjoint-friendly modifications
583      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
584    
585    checkpoint48e_post
586    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
587    o dynamics: change definition of computational domain & adapt mom_fluxform
588      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
589    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
590        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
591        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
592        global_ocean.90x40x15 global_with_exf global_ocean_pressure
593        inverted_barometer solid-body.cs-32x32x1
594      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
595    
596    checkpoint48d_post
597    o in preparation for r*:
598     a) use pre-computed gradient of hydrostatic potential:
599        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
600     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
601        => affects results of glob_oce_pressure (different truncation error)  
602      update output.txt of ideal_2D_oce & global_ocean_pressure
603    
604    checkpoint48d_pre
605    o in preparation for r*:
606      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
607      pass the 2 comp. of the grad. as arguments to momentum S/R.
608      but for the moment, only used if it does not change the results.
609    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
610    
611    checkpoint48c_post
612    Modifications in treatment of initial flux forcing controls
613    to avoid extra storing of flux fields.
614    
615    checkpoint48c_pre
616    o Added tidal_basin_2d experiment (currently 1D!)
617    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
618    
619    checkpoint48b_post
620    o r* coordinate added in #ifdef NONLIN_FRSURF block.
621     (modification to pressure gradient not yet implemented)
622    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
623      (for U & V) that are used for vertical advection of momentum.
624    
625    checkpoint48a_post
626    o In preparation for r*, use temp. array to compute vertical transport
627       in flux-form momentum pkg. => change results of few test-exp.
628      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
629                        lab_sea, natl_box & plume_on_slope
630    
631    checkpoint48
632    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
633    
634    checkpoint47j_post
635    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
636    o moved adexch from forward_step to addummy_in_stepping
637    o added exch in ctrl_map_...
638    o aveFreq.=0. at end of cost_final to avoid overwrite in
639      reverse checkpointing loop
640    o Yet more changes in gmredi:
641      * adgmredi_calc_tensor
642        avoiding all recomputation of gmredi_slope_limit
643      * adgmredi_x/y/rtransport
644        added flag for excessive storing to avoid recomp. of
645        u/v/rtans, dTdx/y/z
646        -> this is not really necessary and very memory-consuming
647      * adgmredi_slope_psi:
648        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
649      * gmredi_slope_limit
650        re-activated full calculation of taperfct for case 'ac02'
651    o updating verification/ adjoints of carbon, global_ocean.90x40x15
652    
653    checkpoint47i_post
654    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
655    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
656      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
657    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
658    o gmredi: fix few bugs.
659    
660    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
661    This will be a good checkpoint to plug into the ecco-branch.
662    o few modif.'s to get latest version adjointed
663      (mainly kick out code in ini_linear_phisurf)
664    o modif's to run adjoint with exactConserv
665    o case GM_BOLUS_ADVEC should be cleaned
666      S/R gmredi_slope_psi should be cleaned
667    o verification/carbon now has exactConserv=.TRUE.
668    
669    checkpoint47g_post
670    o time-average AIM output: becomes independent from statvars time-average
671      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
672    o After TAF bug fix:
673      Tested adjoint of gmredi package.
674      Tests were done with checkpoint47 rather than with latest
675      checkpoint47f_post since the latter is broken for the adjoint
676      verification/carbon/ contains both ADM and TLM gradient checks.
677    Here they are, before they get changed/lost/stolen.
678    Mostly modif.'s to fix numerical sensitivities.
679    Gradient checks OK for
680    - GM_taper_scheme:
681      * clipping
682      * ac02
683      * linear
684      * glw91
685      * dm95
686      * ldd97
687    - GMREDI_OPTIONS:
688      * GM_VISBECK_VARIABLE_K
689      * GM_NON_UNITY_DIAGONAL
690      * GM_EXTRA_DIAGONAL
691      * GM_BOLUS_ADVEC
692    in conjunction with data.gmredi parameters to be checked in
693    in a few minutes under verification/carbon/code/
694    
695    checkpoint47f_post
696    Merging from release1_p10:
697    o modifications for using pkg/exf with pkg/seaice
698      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
699        and SEAICE_EXTERNAL_FLUXES
700      - pkg/exf CPP options EXF_READ_EVAP and
701        EXF_NO_BULK_COMPUTATIONS
702      - usage examples are Experiments 8 and 9 in
703        verification/lab_sea/README
704      - verification/lab_sea default experiment now uses
705        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
706    
707    checkpoint47e_post
708    o created a tag prior to creating a branch
709    
710    checkpoint47d_post
711    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
712      at the bottom boundary had an erroneous half slip boundary condition
713    o added bottom drag and no slip boundary condition capabilities to
714      oceanic pressure coordinates code
715    o added new verification experiment global_ocean_pressure, this experiment is
716      also described in the tutorial section of the manual
717    checkpoint47d_pre
718    
719    checkpoint47c_post
720    o Added a verification experiment for a global cubed-sphere ocean run
721      -  verification/global_ocean.cubed32x32x30
722      -  uses pkg/therm_seaice and pkg/bulk_forcing
723    
724    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
725    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
726      when using P-coordinate; only implemented for atmospheric config.
727    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
728      NOTES: requires option NONLIN_FRSURF to be "#define".
729    o update advect_xz/results/output.txt (left from checkpoint44g_post)
730    
731    checkpoint47b_post
732    Merging from release1_p9:
733    o pkg/seaice
734      - removed GOTO's and added taf directives
735      - double precision constants to reduce the g77 (Linux)
736        to F77 (SGI) differences reported in release1_p8
737    o tools/genmake
738      - added SGI options
739    o verification/testscript
740      - updated to that of checkpoint47a_post
741    o verification/global_ocean.90x40x15/input/eedata
742      - modified for SGI f77 compatibility
743    o verification/lab_sea
744      - added description of sea-ice model
745      - added missing matlab routines
746      - added test of thermodynamics parallelization
747    
748    checkpoint47a_post
749    o new pkg: aim_v23
750     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
751       for now, keep the same surface forcing as before.
752     - Part-Cell implemented into AIM; check that Heat & Water are conserved
753     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
754     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
755    o add diagnostic of surface correction term in monitor output
756    
757    o bulk_force and therm_seaice
758    - Two packages:  bulk_force (Bulk forcing)
759      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
760    - Earlier integration from Stephaine Dutkiewicz
761      and Patrick Heimbach.
762    - Two ifdef statements for compile time,
763       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
764    
765    checkpoint47
766    differentiable version of checkpoint46n_post
767    o bug fix in quasihydrostaticterms
768    o * "clean" adjoint code (in terms of extensive recomputations)
769        can now be obtained for all GMREDI options (i.e. for
770        - GM_VISBECK_VARIABLE_K
771        - GM_NON_UNITY_DIAGONAL
772        - GM_EXTRA_DIAGONAL
773        - GM_BOLUS_ADVEC )
774      * However, wrong gradient check problem remains unsolved.
775      * New CPP options have been introduced for different
776        tapering schemes
777    o external_fields_load now part of differentiation list
778    o pressure needs multiple storing;
779      would be nice to have store_pressure at beginning or
780      end of forward_step, e.g. by having phiHyd global (5-dim.)
781      (NB: pressure is needed for certain cases in find_rho,
782      which is also invoked through convective_adjustment).
783    o recomputations in find_rho for cases
784     'JMD95'/'UNESCO' or 'MDJWF' are OK.
785    o #define ATMOSPHERIC_LOADING should be differentiable
786    o ini_forcing shifted to begining of initialise_varia
787    o Incorporating QNVS line search routines into MITgcm
788      (this is separate code, and therefore not under pkg)
789      lsopt/, optim/
790    o Updated verification/carbon/
791      - #define GM_VISBECK_VARIABLE_K
792      - GM_taper_scheme    = 'ldd97'    
793    
794    checkpoint46n_post
795    Merging from release1_p8:
796    o verification/natl_box:
797      updating new external_fields_load routine
798    o New package: pkg/seaice
799      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
800      The sea-ice code is based on Hibler (1979-1980).
801      Two sea-ice dynamic solvers, ADI and LSR, are included.
802      In addition to computing prognostic sea-ice variables and diagnosing
803      the forcing/external data fields that drive the ocean model,
804      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
805      The implied surface heat flux is then stored in variable
806      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
807      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
808      non-local transport term.  Because this call precedes model
809      thermodynamics, temperature under sea-ice may not be "exactly" at
810      the freezing point by the time theta is dumped or time-averaged.
811      N.B.: fairly large differences in accuracy occur across
812            different platforms/compilers; comparison between
813            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
814            generated output gives:
815       T           S           U           V
816      C D M    c        m  s        m  s        m  s        m  s
817      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
818      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
819      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
820    
821      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
822    o GAD:
823      - generated new common blocks to account for call of
824        same gad routines with differing traceridentities
825        (needed to modify tracerIdentity indices in GAD.h)
826      - generated separate common blocks for case useCubedSphereExchange
827        (Department of Futurology)
828      - parameter lists to gmredi_?transport: added tracerIdentity
829      - added new key indices to tamc.h
830    o external_fields_load:
831      - added this routine to TAF list
832      - needed to make some common blocks global and additional storing
833        along the same lines as exf package (checkpoint_lev?_directives.h)
834    o exf:
835      updated external forcing package
836      - bug fixes carried over from ecco-branch
837        (missing OBCS_OPTIONS.h in two routines)
838      - enable easy to use "no forcing".
839      - added exf I/O for atmospheric loading
840      - added exf I/O for runoff data
841      - transfered scaling between exf <-> MITgcm to exf namelist
842    o Adding new verification experiment global_with_exf.
843      This verification experiment is almost identical to the
844      global_ocean.90x40x15 experiment, except that it uses
845      the exf (and cal) package instead of the
846      external_fields_load routine (cf README file).
847    
848    checkpoint46m_post
849    o modified testscript to return -- when there are no lines of "%MON" output
850    o added new flag "quasiHydrostatic" for QH mode
851      and new routine quasihydrostaticterms()
852    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
853      New routine: mom_u_coriolis_nh()
854    o fixed sign of non-hydrostatic metric terms in u and v equations.
855      Depend on correct sign of gravitySign.
856    o added work.pc* to .cvsignore in aim directories using ifc
857    o introduced flag for controllin non-hydrostatic metric terms
858    o removed gravitySign from PARM04
859    o switched to g77/ifc from pgf77 in aim experiments
860    
861    checkpoint46l_post
862    o made convective adjustment work with pressure coordinates:
863     - changed the direction of k-loop in convective_adjustment.F for the
864       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
865     - adjusted the reference pressure k-index in convective_adjustment.F
866     - adjusted the convection condition in convect.F (in analogy to
867       calc_ivdc.F)
868     - convective_adjustment no longer computes anything on the halos
869     - removed the warnings about negative salinity from find_rho.F and
870       find_alpha.F; instead the new routine look_for_neg_salinity, called
871       at the beginning of find_rho, find_alpha, and find_beta, does a
872       check of the entire slice, if CPP-option
873       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
874    checkpoint46l_pre
875    
876    checkpoint46k_post
877    o fixed the verification/global_ocean.90x40x15 experiment:
878     - new bathymetry (the world according to A., JMC, and M.)
879     - new initial fields and forcing fields (*.bin files)
880     - new POLY3.COEFFS (for the next release one should switch to a full
881       equation of state: JMD95P or MDJWF)
882     - fixed several errors and redundancies in the data file
883     - experiment uses looped cells
884     - added matlab directory with diagnostic scripts for plotting of output
885    
886    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
887     - read AIM physics parameters from a file (data.aimphys)
888     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
889    
890    checkpoint46j_post
891    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
892    o move wVel computation at the end of the time step, in S/R integr_continuity
893    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
894    o update timeave pkg for wVel diagnostic.
895    checkpoint46j_pre
896    
897    checkpoint46i_post
898    o Clean up AIM package (and keep the results unchanged):
899      include CPP_OPTION and use IMPLICT NONE in all routines ;
900      declare all the variables _RL ; use _d 0 for all numerical constants.
901      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
902    
903    checkpoint46h_post
904    o cleaned up the use of rhoNil and rhoConst.
905      - rhoNil should only appear in the LINEAR equation of state, everywhere
906        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
907        and the dynamical equations are all divided by rhoConst
908    o introduced new parameter rhoConstFresh, a reference density of fresh
909      water, to remove the fresh water flux's dependence on rhoNil. The default
910      value is 999.8 kg/m^3
911    o cleanup up external_forcing.F and external_forcing_surf.F
912      - can now be used by both OCEANIC and OCEANICP
913    checkpoint46h_pre
914    
915     Added code to convert surface volume flux (fresh water) into
916     a mass flux when using P coordinates in the ocean (OCEANICP).
917     Note: It assumes you have set rho0=rhoConst=density of fresh water.
918    
919    checkpoint46g_post
920    o Include a new diagnostic variable phiHydLow for the ocean model
921      - in z-coordinates, it is the bottom pressure anomaly
922      - in p-coordinates, it is the sea surface elevation
923      - in both cases, these variable have global drift, reflecting the mass
924        drift in z-coordinates and the volume drift in p-coordinates
925      - included time averaging for phiHydLow, be aware of the drift!
926    o depth-dependent computation of Bo_surf for pressure coordinates
927      in the ocean (buoyancyRelation='OCEANICP')
928      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
929        Theta, Salinity, and Pressure in the parameter list. This routine is
930        presently contained in find_rho.F. This routine does not give the
931        correct density for 'POLY3', which would be a z-dependent reference
932        density.
933    o cleaned up find_rho
934      - removed obsolete 'eqn' from the parameter list.
935    o added two new verification experiments: gop and goz
936      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
937    checkpoint46g_pre
938    
939    checkpoint46f_post
940    o Enable tangent linear (forward mode) gradient checks:
941      - extended active file handling to g_... files
942      - added TANGENT_SIMULATION to theSimulationMode
943      - extended grdchk package accordingly
944    o added tangent linear setup in verification/carbon/code_ftl
945    o added adjoint setup in verification/front_relax/code_ad
946    
947    checkpoint46e_post
948    o Added new equation of state -> MDJWF
949      - EOS of McDougall et al., 2002, JAOT, submitted
950      - caveat: the equation of state is only valid for a smaller (more
951        realistic?) range of values than JMD95P/Z and UNESCO
952      - added masks to the calculation of pressure in store_pressure
953      - added more check values for density in check_eos (ini_eos.F), some of
954        the old check values are out of the range of the MDJWF-eos, so don't
955        expect perfect matches for those
956    checkpoint46e_pre
957    
958    checkpoint46d_post
959    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
960      'OCEANICP', also initialised field pressure correctly in ini_eos in the
961      case of pressure coordinates. eosType='JMD95Z' in
962      combination with buoyancyRelation='OCEANICP' now causes an error.
963    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
964      in find_alpha/beta.
965    checkpoint46d_pre
966    
967    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
968      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
969    
970    checkpoint46c_post
971    o Changes necessary for ocean in p-coordinates
972     -  Added new buoyancy relation = 'OCEANICP'
973     -  Added new parameters = gravitySign (this used to be contained inside
974        the factor dRdZ which I added when we first switched to R coordinates).
975     X GM/Redi is not compatible (yet)
976     X bottom drag and no-slip need to be debugged.
977    checkpoint46c_pre
978    
979    checkpoint46b_post
980    o Added new equation of state -> JMD95Z and JMD95P
981      - EOS of Jackett and McDougall, 1995, JAOT
982      - moved all EOS parameters into EOS.h
983      - new routines ini_eos.F, store_pressure.F
984    o Added UNESCO EOS, but not recommended because it requires
985      in-situ temperature (see JMD95)
986    o Modified formatting for knudsen2.f in utils/knudsen2 and added
987      unesco.f to be used with POLY3
988    checkpoint46b_pre
989    
990    checkpoint46a_post
991    o Added (atmospheric) pressure loading
992      - new field in FFIELDS.h, etc...
993      - new cpp flag ATMOSPHERIC_LOADING
994    o Changed hFacC to _hFacC in calc_phi_hyd.F
995    o Added SHORTWAVE_HEATING to some files for consistency
996    checkpoint46a_pre
997    
998    checkpoint46
999    further merges from release1_p5
1000    o new ctrl package
1001      - adopted from ECCO environment to enable optimization
1002      - added Eliassen Palm fluxes to controls
1003    o added Eliassen Palm flux controls to gradient check package
1004    o cost package
1005      - Compatible with new ctrl package
1006      - added Eliassen Palm cost hooks
1007      - modif's of existing cost functions
1008    o Adjoint-related bug fixes in kpp:
1009      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
1010      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
1011    o autodiff package
1012      - flow directives:
1013        + new for S/R do_the_model_io
1014        + enhanced for S/R checkpoint
1015        + new gmredi.flow
1016      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
1017        disable adcommon.h/g_common.h by default.
1018      - fixed problem for adjoint of global_max
1019    o modified verification/carbon/
1020    o New setup for adjoint of global_ocean
1021    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
1022    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
1023    o incorporated hooks for sponge layer code (external_forcing.F)
1024    
1025    checkpoint45d_post
1026    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
1027    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
1028      (affects plume_on_slope "cg2d" output)
1029    o add new parameter deltaTfreesurf for free-surface time stepping
1030    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
1031    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
1032    o change phiMin in exp1 (to agree with documentation)
1033    o add new flags:
1034     - T,S forcing inside/outside Adams-Bashforth
1035     - turn off temp,salt advection and/or forcing
1036     - for each tracer, define internal flag for multiDimAdvection & A-B
1037    o monitor: change definition of KE to check conservation of Energy
1038    
1039    checkpoint45c_post
1040    o Removed f90 comments ("!")
1041    o Modified initialisations to enable exf package for MITgcm
1042      (without invoking ECCO_PACKAGE).
1043    o modifications to gradient check package (Martin Losch)
1044      - enable centered differences
1045      - modified format of standard output
1046    
1047    checkpoint45b_post
1048    o cleaned exchange calls in cg2d
1049    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
1050    o included CPP option SINGLE_LAYER_MODE in thermodynamics
1051      to configure barotropic setup (Martin Losch)
1052    o moved some initialisations within bi,bj loop in dynamics
1053      (TAF flow dependency)
1054    o in initialise_varia, moved call packages_init_variables
1055      before convective_adjustment_init
1056      (corresponding adjustment of TAF tape initialisation).
1057    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
1058    
1059    checkpoint45a_post
1060    o compute Rho over the whole domain (extend iMin,jMin indices)
1061    o specific exchange for X-slice domain (case Ny=1)
1062    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
1063    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
1064    
1065    checkpoint44h_post = checkpoint45
1066    o Fix to restore differentiability:
1067      place at which packages_init_variables is called in
1068      initialise_varia is crucial for reverse control flow.
1069    o modifications in GMRedi to enable stable adjoint
1070      (corresponding modif's in thermodynamics, dynamics)
1071    o added missing hook for sponge layer code in external_forcing
1072    o modified test cost functions
1073    o storing in gad_advection (plus removal of write(0,*)!
1074    o missing headers TR1.h added in convective_adjustment routines
1075    o errorMessageUnit set non-equal zero in eeboot
1076      (conflict on some platforms, e.g. IBM SP3)
1077    o modified carbon verif.
1078    
1079    checkpoint44h_pre
1080    o vertical grid option: allow to put the Interface at the middle between
1081      2 cell-centers ; replace delZ in pkg/kpp by drF.
1082    o GM Advective form: Tracers are advected using the residual transport (=
1083      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
1084    
1085    checkpoint44g_post
1086    o fix surface correction term in multiDimAdvection (affects plume_on_slope
1087      results) ; ifdef missing in thermodynamics.F
1088    
1089    checkpoint44f_pre,checkpoint44f_post
1090    o added PTRACERS package
1091      This allows an arbitrary number of passive tracers to be integrated
1092      forward simultaneously with the dynamicaly model.
1093      + Implemented so far:
1094        - basic forward algorithm (time-stepping, advection, diffusion, convection)
1095        - I/O and checkpointing
1096        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
1097      + Not implemented so far:
1098        - KPP
1099        - OBCS
1100      + No specific example supplied (yet) but global_ocean.90x40x15 has the
1101        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
1102        line in data.pkg.
1103      + This package is disabled by default since it increases storage.
1104    
1105    
1106    o testscript: added -cleanup option
1107    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
1108                 b) enable to filter 2D fields.
1109    
1110  checkpoint44e_pre,post  checkpoint44e_pre,post
1111  o re-wrote convective adjustment to use pre-calculated weights  o re-wrote convective adjustment to use pre-calculated weights
# Line 23  o removed variables in dynamics Line 1125  o removed variables in dynamics
1125  !!! I forgot to create tag chkpt44d_pre !!!  !!! I forgot to create tag chkpt44d_pre !!!
1126  !!! But chkpt44d_pre = chkpt44c_post    !!!  !!! But chkpt44d_pre = chkpt44c_post    !!!
1127    
1128    o real fresh water flux implemented with non-linear free-surface.
1129    
1130  chkpt44c_pre,post  chkpt44c_pre,post
1131  o few fix (mask in shap_s2, EmPmR in external_field_load,  o few fix (mask in shap_s2, EmPmR in external_field_load,
1132    USE_NATURAL_BCS in solve_for_P);    USE_NATURAL_BCS in solve_for_P);

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