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revision 1.38 by heimbach, Tue Apr 10 22:35:24 2001 UTC revision 1.250 by jmc, Mon Jan 26 18:06:42 2004 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o update AIM Cubed-Sphere exp (aim.5l_cs):
7      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
8    o update AIM Equatorial Channel exp:
9      use standard aim_v23 pkg and change the SST fields to be more realistic.
10    o globalFile now works with exch2
11    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
12      mon_vort3.F to make exch2 friendly with >1 tile per cube
13      face
14    o limit timeave output for hi-res integrations
15    
16    checkpoint52i_post
17    o removed CPP_EEOPTIONS.h from verification/*/code
18    o updated the tiling for global_ocean_pressure
19    checkpoint52i_pre
20    
21    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
22      the old pkg/aim).
23    
24    checkpoint52h_pre
25    o shortened offending lines in exch2_send_rx?.template
26    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
27    o genmake2: add build & execute test for NetCDF code
28    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
29      old grid files, moved CPP_EEMACROS.h to pkg/exch2
30    o added useSingleCPUIO flag to monitor.F and mon_out.F
31    o added temporary hack for sea-ice dynamics on the cube:
32      metric terms are ignored and it is assumed that
33      there is no sea-ice on cube faces 1, 2, 4, and 5.
34    
35    checkpoint52f_post
36    o added exch2 cube routines to pkg/exch2
37    o modified hs94.cs-32x32x5 to use it
38    o added new grid files to hs94.cs-32x32x5
39    checkpoint52f_pre
40    
41    checkpoint52e_post
42    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
43      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
44    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
45      to work with implicit vertical advection and AB ;
46    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
47    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
48     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
49    checkpoint52e_pre
50    
51    o fix bug in impldiff when Nr=1 or Nr=2.
52    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
53    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
54    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
55      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
56    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
57    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
58    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
59    
60    checkpoint52d_post
61    o re-tiled many expts to allow comparison in multi-processor mode
62      - updated output accordingly
63      - changed hs94.128x64x5 to use intial T from file rather than use the
64        random number generator
65    o add infrastructure in model routines for fizhi and gridalt packages
66    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
67    o changes to permit hi-res, cubed-sphere, configuration
68      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
69      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
70      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
71        of surface winds for the cube
72      (A verification experiment, based on global_ocean.cs32x15, but with
73       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
74       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
75       complete with example surface forcing files and matlab scripts to look
76       at the output and compare it with that of global_ocean.cs32x15.)
77    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
78       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
79       to conform to the common rule.
80    o check-in the first version of the coupler + interfaces for multi-components
81       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
82       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
83       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
84       - ocean and atmos. share the same horizontal grid (no interpolation).
85       - exchanges between component and coupler is done in forward_step
86    o new verification experiment, cpl_aim+ocn:
87       coupled ocean - AIM atmosphere on cs32 grid.
88    
89    checkpoint52d_pre
90    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
91    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
92    
93    checkpoint52c_post
94    o Fixing OPTIONS files for use of exf:
95      - ALLOW_ECCO not needed
96      - ECCO_CPPOPTIONS.h should not be included from
97        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
98        as has been the case in the past
99      - All cal/exf related options are currently set in
100        single header file. Should remain so until we
101        agree on a consistent new policy.
102    o Removed all CPP options for cal package.
103      cal has no more CPP options.
104    o modified STOREs in GAD_ADVECTION
105    o corrected key comp. for passkey
106    
107    checkpoint52b_post
108    o new version: "thsice" of thermodynamic sea-ice pkg:
109     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
110     - modify fluxes but do not change theta directly;
111     - light cleaning of bulk_force pkg (still needed with thsice).
112     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
113       + output_thsice.txt to test thsice & bulk_force pkgs.
114    o put back grid & coriolis monitor output.
115    checkpoint52b_pre
116    
117    o call "do_the_model_io" at the beginning (=> dump initial state)
118    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
119    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
120      (need info on NUMBER_OF_PTRACERS)
121    o missing PTRACERS headers in some routines
122    o default tamc.h in pkg/autodiff supposed to crash
123      to ensure proper customization
124    
125    checkpoint52a_post
126    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
127      - moved surfaceTendencyTice from pkg/seaice to main code
128      - subroutine FREEZE_SURFACE now limits only surface temperature
129        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
130        => new output.txt for global_ocean.cs32x15 & global_with_exf
131      - keep the old version of FREEZE for backward compatibility;
132        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
133      - corresponding modifs for TAF directives
134    o added surface flux output variables to TIMEAVE_STATVARS
135    o time-averaged output for pkg/ptracers
136    o fix problem with ECCO-related divided adjoint
137      snapshot file was missing some ad-variables,
138      but no warning issued by TAF
139    
140    checkpoint52a_pre
141    o some bug fixes for #undef REAL4_IS_SLOW
142    
143    checkpoint52 = ecco_c52_e35
144    o after testing adjoints of checkpoint51u_post
145    
146    checkpoint51u_post
147    o this is the post-merge tag of the ecco-branch
148      (needs another clean checkout and re-testing)
149    o various natl_box_adjoint configs and results
150      but no input fields
151    o obcs adjoint not yet merged!
152    o adding ECCO global 1x1 and 2x2 degree configs
153    o updated/extended some store directives for seaice
154    o pkg/ecco now containes ecco-specific part of cost function
155    o top level routines the_main_loop, forward_step
156      supersede those in model/src/
157      previous input data.cost now in data.ecco
158      (new namelist ecco_cost_nml)
159    o in ctrl/ cleaned some cross-dependencies and updated CPP options
160    
161    checkpoint51t_post
162    o this is the pre-merge tag of the ecco-branch
163    
164    checkpoint51s_post
165    o cleanup: removed various obsolete #define-s
166    o pkg/grdchk
167      - renamed 'ph-grd 3' to 'grad-res'
168      - merged from ecco-branch
169        (remaining bug fixes for obcs gradient checks)
170      - additional high-precision output for testreport
171        (grep for 'precision_grdchk_result')
172    
173    checkpoint51r_post
174    o cleaned up or removed CPP_OPTIONS.h files
175    o updated results for some of the tests to reflect the new
176      optfiles (-ieee: -O0 instead of -O3)
177    
178    checkpoint51q_post
179    o cd_code:
180      - moved cd_scheme.F -> cd_code_scheme.F
181      - separate read_checkpoint from cd_code_ini_vars.F
182      - separated cd_code part from write_checkpoint
183      - updated AD_SOURCE, generated .flow
184      - added CD_CODE_VARS.h to the_main_loop
185      - Moving cd_code specific store dir.s to pkg/cd_code
186    o ctrl package totally restructured
187      - pack/unpack now optional and decoupled from
188        xx_/adxx_ I/O
189      - ctrl_pack/unpack cleaned
190        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
191      - confined inclusion of AD_CONFIG.h to where necessary.
192    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
193    
194    checkpoint51p_post
195    o create initial cd_code package
196      - WARNING: the initialization of fields within packages
197        is broken because INI_FIELDS (where READ_CHECKPOINT is
198        called) is called *before* PACKAGES_INIT_VARIABLES.
199        This seems to be backwards since
200        1) its important to initially zero the entire field including
201           the "halo" region
202        2) zeroing needs to be done *before* reading pickup info
203           and the pickup call might or might not happen in any
204           particular run
205      - this needs an overhaul for R2
206    o cleanup verification/*/code/GMREDI_OPTIONS.h
207    o cleanup testreport
208    
209    checkpoint51o_post
210    o bringing AD-related verif's up to date with genmake2
211      - carbon/
212      - global_ocean.90x40x15/
213      - hs.94.1x64x5/
214      - (front_relax/ )
215    o (more) consistent directory structure for AD-related verif.'s
216    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
217    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
218    o bug fix in find_alpha.F for MDJWF:
219      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
220        change rho -> rho-rhoConst
221      - replace call find_rho to find_rhonum
222    o initialisation of rFlx extended to full array (required by TAF)
223      and shifted to thermodynamics
224    o removed PTRACERS.h in ptracers routine
225    o added surfacetendencyPtr to S/R parameter list pracers_forcing
226    o Correcting initialisations for fVerU, fVerV.
227    o helping TAF to recognize dependency on kUp for
228      fVerU, fVerV
229    o Replacing delZ by delR in pkg/ctrl/
230    checkpoint51o_pre
231    
232    o undid all of cp51 pending some cleanups and discussion
233    o added the [#include "AD_CONFIG.h"] statement to all files that need
234       it for adjoint/tl #defines
235     o re-worked the build logic in genmake2 to support AD_CONFIG.h
236     o removed tools/genmake since it no longer works
237    
238    checkpoint51n_post
239    o modifications to make FREEZE flux visible to pkg/kpp
240      - moved surfaceTendencyTice from pkg/seaice to main code
241      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
242      - subroutine FREEZE now limits only surface temperature
243        (this means new output.txt for global_ocean.90x40x15,
244         global_ocean.cs32x15, and global_with_exf)
245    o added surface flux output variables to TIMEAVE_STATVARS
246    
247    checkpoint51n_pre
248    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
249    o added [#include "AD_CONFIG.h"] to all files that use the following
250      defines:
251      - ALLOW_ADJOINT_RUN
252      - ALLOW_TANGENTLINEAR_RUN
253      - ALLOW_ECCO_OPTIMIZATION
254    
255    checkpoint51m_post
256    o incorporating changes to get TAMC/TAF working in genmake2
257      - added new TAMC/TAF targets to the Makefile
258      - various cleanups related to package handling
259      - these changes should have no impact on the forward model
260    
261    checkpoint51l_post
262    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
263     - faster algorithm for cal_addtime.F
264     - higher precision arithmetic, where needed
265     - pkg/exf *startdate variables changed from calendar date to
266       model integration time
267    
268    checkpoint51l_pre
269    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
270    o enable to apply restoring on S & T only in a latitude band.
271    o update output (external_forcing_surf modif. change truncation errors)
272       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
273    
274    checkpoint51k_post
275    o change default to: useNHMTerms=.FALSE.
276     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
277       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
278     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
279        exp1, ideal_2D_oce
280     - change data file of oceanic exp (leave the results unchanged for now)
281       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
282    o set gravitySign automatically according to the vertical coordinate used
283      (and change sign: back to "logical" value: +1 when R increases downward)
284    o added an include barrier to the default CPP_OPTIONS.h and
285      removed the #include "PACKAGES_CONFIG.h" from it
286    o fix a bug in mom_fluxform (from chk51j_post)
287    
288    checkpoint51j_post
289    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
290    o adjusted some flow directives (dynamics, thermodynamics)
291    o added cubed-sphere case to test cost function
292    o heckpoint_lev?_directives.h now include
293      pkg-specific directives, whenever those are enabled.
294    o Moving pkg-specific flow directives to corresponding pkg
295      Moving pkg-specific differentiation list to corresponding pkg
296      Moving pkg-specific checkpoint-lev storing to corresponding pkg
297      ---> conventions are
298           - pkg_ad.flow
299           - pkg_ad_diff.list
300           - pkg_ad_check_lev?_dir.h
301    
302    checkpoint51i_post
303    o merge of the branch-genmake2
304      - knowingly breaks the older genmake
305      - automatic generation of all ALLOW_${PKG_NAME} defines
306      - new testreport supersedes older testscript
307    o large number of package inclusion and header cleanups
308    checkpoint51i_pre
309    
310    o new output for adjoin of global ocean vector invariant
311    o fix for checkpoint of thermodynamic seaice and bulk_force
312    o Steph gchem various cleanups
313    
314    checkpoint 51h_pre
315    o fixed some single quotes
316    o modify gchem pkg to be more versatile
317    o modifications to clean up dic pkg
318    o add pkg/cfc
319    
320    checkpoint51g_post
321    o provide links for ARPACK and ADM*TLM
322    o start removing verification/vero/
323    o update AD-related stuff
324      (in particular some IF-statements in model/src/ routines)
325    o adding to verification/global_ocean.90x40x15/ adjoint of
326      vector invariant setup
327    
328    checkpoint51f_post
329    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
330    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
331      of tracer Green's fucntions for ocean inversion project.
332    
333    checkpoint51f_pre
334    o Added on-the-fly spatial interpolation capability
335        "USE_EXF_INTERPOLATION" to pkg/exf.
336      - This is a temporary Cartesian-grid hack until
337        the super-duper ESMF coupler becomes available.
338      - See verification/global_with_exf/README for usage example.
339      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
340        flags and modified pkg/seaice accordingly.
341    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
342        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
343        non-local transport term.
344    
345    checkpoint51e_post
346    o pkg/mom_vecinv:
347      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
348      - add time-ave diagnostic of vorticity advection.
349    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
350    o atmospheric geopotential: - include water vapor effect;
351                                - use p^kappa in p* scaling.
352    o land pkg: read initial state from files.
353    o AIM : add stratospheric drag in the upper level
354    
355    checkpoint51d_post
356    o change function ILNBLNK (=> last non-blank char.) to return zero
357      (instead of the string length) when the string. char is empty
358    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
359    o modif's to restore TAMC compatibility
360      - avoid "_d" constructs in PARAMETER declarations
361      - avoid interrupting lines by comment lines
362    o Use cluster local disks for purely local I/O
363      vs. globally visible disks needed for ctrl stuff
364      (merged from ecco-branch)
365      - new active_file_loc... and mdsio_..._loc routines
366      - affected packages: autodiff, ctrl, grdchk, mdsio
367    
368    checkpoint51c_post
369    o introducing integer flag debugLevel
370      - debLevZero: suppress all output
371      - debLevA: standard
372      - debLevB: equivalent to current debugMode=.TRUE.
373    o introducing pathname variable mdsioLocalDir for mdsio
374      that can be specified at runtime
375      (relevant for cluster I/O to local disk)
376    `
377    >>>checkpoint51b_post
378    adjoint of ptracers
379    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
380    o extended state in checkpoint_lev?, etc.
381    o alternative ctrl/cost with tr1 or ptracer
382    o new comlev1_bibj_ptracers
383    o new ptracers.flow
384    o made ptracers_forcing same as external_forcing_s
385    o added verification for adjoint with ptracers
386      - adm. grdchk fail so far
387      - tlm. grdchk OK
388      - checked tapelev/comlev recomputations: OK
389    <<<checkpoint51b_pre
390    
391    checkpoint51a_post
392    o added code for biogeochemistry package
393      - new pkgs: dic, gchem
394      - new subroutine in ptracers
395    o modify code for biogeo packages
396      - in model/src and pkg/ptracers
397    
398    checkpoint51
399    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
400      - autodiff, ctrl, exf, grdchk, seaice
401      kept separate packages
402      - cost, ecco, obcs
403    o updating verification/internal_wave, verification/lab_sea
404      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
405    
406    checkpoint50i_post
407    o Preparing next differentiable checkpoint and sync
408      of MAIN vs. ecco-branch
409      - 1st step: this one is differentiable
410      - 2nd step: next(! not this) checkpoint will have updated packages
411                  from ecco-branch)
412    
413    checkpoint50h_post
414    o new package "land": provide surface BC for AIM.
415    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
416    o AIM: use true log-P extrapolation for near surface temp (= as in
417        F.Molteni paper) ; update aim.5l_cs output.
418    o New variable in PARM03 for more flexible pickups
419    o somewhat cleaned package initialisation sequence for
420      ctrl/ cost/ ecco/ in packages_... routines
421    
422    checkpoint50g_post
423    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
424      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
425      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
426        made the default because of faster convergence than ADI
427    
428    checkpoint50f_post
429    o exf totally restructured
430      - replaced all exf_set_ routines by one generic exf_set_gen.F
431        and made sure it's still differentiable
432      - split exf_getffields.F into new exf_bulkformulae.F
433      - exf_inscal_/exf_outscal_ suffixes consistent with field names
434      - updated adjoint/makefile and relevant verif. accordingly
435    
436    checkpoint50f_pre
437     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
438          + change Evap over land. (update aim.5l_cs output)
439     o added missing .cvsignores and made uniform across expts
440     o changed configuration of tidal_basin_2d expt
441     o added pkg/debug functions for tracing code in fatal crashes
442     o tidied pkg/monitor to use MONITOR_OPTIONS.h
443     o new fn in pkg/monitor to stop model if solution grows too big
444     o removed lots of single quotes from comments
445    
446    checkpoint50e_post
447    o make KPP work with PTRACERS
448     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
449       nearly a copy of kpp_transport_s
450     - there is no analogue to SurfaceTendencyS, so I have to use
451       gPtr(of the surface layer) instead
452    o add a new platform SunFire+mpi (SunFire 15000) to genmake
453    checkpoint50e_pre
454    
455    checkpoint50d_post
456    o change kpp output from multiple-record state files to single-record state
457      files analogous to write_state.F
458    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
459      analogous to the cg2d-related output.
460    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
461      so that writing to internal file fn (with length 512) fails.
462    checkpoint50d_pre
463    
464    checkpoint50c_post
465    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
466    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
467    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
468    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
469    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
470    
471    checkpoint50c_pre
472    Merging from release1_p13:
473    o bug fix for pkg/seaice dynamic solver
474    o Added SEAICE_initialHEFF to pkg/seaice
475    
476    checkpoint50b_post
477    o store u*,v* in gU,V instead of in guNm1,gvNm1
478    o in order to put the momForcing out of the Adams-Bashforth:
479      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
480      to timestep.F
481    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
482    o re-generate output for highly sensitive test-exp:
483       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
484    
485    checkpoint50b_pre
486    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
487    o corrected CPP option mismatch in exf_Bulk... functions for case
488      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
489    
490    checkpoint50a_post
491    o Bug fix for merging between c50 and KPP.
492      ikey was passed from thermodynamics to kpp_calc via
493      common block rather than being recomputed in kpp_calc,
494      in contradiction with new key itdkey.
495      New key ikppkey created, and tamc.h headers updated.
496    
497    checkpoint50
498    - 2nd step of merge with ecco-branch:
499      merge changes in ecco-branch back into main trunk
500    - bug fix in find_alpha
501    - more storing in gmredi_calc_tensor.F, kpp_routines.F
502    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
503    - merged some sliced AD support routines
504    
505    checkpoint49
506    merged from ecco-branch:
507    o exf:
508      - Enable initialisation of forcing fields to constant
509        (runtime) values.
510      - in exf_getffields.F
511        Reduce i-/j-loop to interior domain, discarding overlaps.
512        That also fixes wrong TAF-key computations for key_1, key_2
513        with bulf formulae.
514      - exf_init.F modify #ifdef for exf_init_evap
515      - exf_getffieldrec.F, ctrl_getrec.F
516        The following INT-usages are not safe:
517          fldsecs  = int(fldsecs/fldperiod)*fldperiod
518          fldcount = int(fldsecs/fldperiod) + 1
519        and were modified.
520    o autodiff: checkpoint_lev...
521      - updated storing for bulk formulae (some arrays were missing)
522      - added state for seaice package
523      - synchronized with main branch
524    o DIVA:
525      Modif.s in
526      - the_main_loop.F
527      - the_model_main.F
528      and added cost_final_restore.F cost_final_store.F
529      o With these changes, it is possible to fully separate
530        the first forward run to compute the cost function (mdthe_main_loop)
531        and adjoint runs over individual DIVA intervals (adthe_main_loop)
532        into separate model executions.
533        This enables better tuning of DIVA to given queue sizes.
534      o Loss of cost function value in consecutive DIVA runs is
535        fixed by storing to 'costfinal' file.
536      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
537        beginning/end of adjoint integration is accounted for.
538      The current changes apply to TAF-1.4.26.
539      TAF has one remaining bug, requiring one manual change
540      (see MITgcm manual).
541    o cal: synchronized between MAIN and ecco-branch
542    
543    checkpoint48i_post
544    o Changes to restore differentiability of code w.r.t. previous tag
545      (mostly adding new routines to make list and replacing
546      pressure by totPhiHyd).
547    o Updated and merged grdchk package
548      - has both ADM and TLM checks
549      - works for single- and multi-proc.
550      - output cleaned
551      - worked successfully for parallel DIVA
552    o genmake:
553      - Adding -platform=SP4
554      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
555    o Modif. for DIVA:
556      ctrl_unpack should not be called in intermediate DIVA interval.
557      (similar thing would apply for active files such as
558      tbar, sbar, psbar, which should not be reinitialised;
559      only relevant for ecco-branch)
560    
561    checkpoint48h_post
562    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
563    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
564    o Added SEAICE_initialHEFF to pkg/seaice
565    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
566    
567    checkpoint48g_post
568    --- EOS:
569    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
570      store total Potential in totPhyHyd for diagnostics & EOS.
571    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
572    --- Pressure/geopotential gradient:
573    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
574    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
575      ( changes results of global_ocean_pressure )
576    o NLFS + z-coord.: add eta*Rho' contribution.
577    o accurate phiHyd when using interface-W at the middle between 2 centers
578     ( changes results of ideal_2D_oce )
579    o includes r* 2nd term in potential gradient.
580    
581    checkpoint48f_post
582    Merging from release1_p12:
583    o Modifications for using pkg/exf with pkg/seaice
584      - improved description of the various forcing configurations
585      - added basic radiation bulk formulae to pkg/exf
586      - units/sign fix for evap computation in exf_getffields.F
587      - updated verification/global_with_exf/results/output.txt
588    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
589      (SBO) core products, including oceanic mass, center-of-mass,
590      angular, and bottom pressure (see pkg/sbo/README.sbo).
591    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
592      to avoid negative values in shallow regions.
593      - updated verification/natl_box/results/output.txt
594      - updated verification/lab_sea/results/output.txt
595    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
596    o Added useSingleCpuIO option (see PARAMS.h).
597    o Updated useSingleCpuIO option in mdsio_writefield.F to
598      work with multi-field files, e.g., for single-file pickup.
599    o pkg/seaice:
600      - bug fix in growth.F: QNET for no shortwave case
601      - added HeffFile for specifying initial sea-ice thickness
602      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
603    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
604      kpp_transport_t.F, forward_step.F, and the_main_loop.F
605    o pkg/seaice:
606      - adjoint-friendly modifications
607      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
608    
609    checkpoint48e_post
610    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
611    o dynamics: change definition of computational domain & adapt mom_fluxform
612      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
613    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
614        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
615        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
616        global_ocean.90x40x15 global_with_exf global_ocean_pressure
617        inverted_barometer solid-body.cs-32x32x1
618      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
619    
620    checkpoint48d_post
621    o in preparation for r*:
622     a) use pre-computed gradient of hydrostatic potential:
623        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
624     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
625        => affects results of glob_oce_pressure (different truncation error)  
626      update output.txt of ideal_2D_oce & global_ocean_pressure
627    
628    checkpoint48d_pre
629    o in preparation for r*:
630      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
631      pass the 2 comp. of the grad. as arguments to momentum S/R.
632      but for the moment, only used if it does not change the results.
633    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
634    
635    checkpoint48c_post
636    Modifications in treatment of initial flux forcing controls
637    to avoid extra storing of flux fields.
638    
639    checkpoint48c_pre
640    o Added tidal_basin_2d experiment (currently 1D!)
641    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
642    
643    checkpoint48b_post
644    o r* coordinate added in #ifdef NONLIN_FRSURF block.
645     (modification to pressure gradient not yet implemented)
646    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
647      (for U & V) that are used for vertical advection of momentum.
648    
649    checkpoint48a_post
650    o In preparation for r*, use temp. array to compute vertical transport
651       in flux-form momentum pkg. => change results of few test-exp.
652      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
653                        lab_sea, natl_box & plume_on_slope
654    
655    checkpoint48
656    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
657    
658    checkpoint47j_post
659    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
660    o moved adexch from forward_step to addummy_in_stepping
661    o added exch in ctrl_map_...
662    o aveFreq.=0. at end of cost_final to avoid overwrite in
663      reverse checkpointing loop
664    o Yet more changes in gmredi:
665      * adgmredi_calc_tensor
666        avoiding all recomputation of gmredi_slope_limit
667      * adgmredi_x/y/rtransport
668        added flag for excessive storing to avoid recomp. of
669        u/v/rtans, dTdx/y/z
670        -> this is not really necessary and very memory-consuming
671      * adgmredi_slope_psi:
672        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
673      * gmredi_slope_limit
674        re-activated full calculation of taperfct for case 'ac02'
675    o updating verification/ adjoints of carbon, global_ocean.90x40x15
676    
677    checkpoint47i_post
678    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
679    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
680      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
681    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
682    o gmredi: fix few bugs.
683    
684    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
685    This will be a good checkpoint to plug into the ecco-branch.
686    o few modif.'s to get latest version adjointed
687      (mainly kick out code in ini_linear_phisurf)
688    o modif's to run adjoint with exactConserv
689    o case GM_BOLUS_ADVEC should be cleaned
690      S/R gmredi_slope_psi should be cleaned
691    o verification/carbon now has exactConserv=.TRUE.
692    
693    checkpoint47g_post
694    o time-average AIM output: becomes independent from statvars time-average
695      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
696    o After TAF bug fix:
697      Tested adjoint of gmredi package.
698      Tests were done with checkpoint47 rather than with latest
699      checkpoint47f_post since the latter is broken for the adjoint
700      verification/carbon/ contains both ADM and TLM gradient checks.
701    Here they are, before they get changed/lost/stolen.
702    Mostly modif.'s to fix numerical sensitivities.
703    Gradient checks OK for
704    - GM_taper_scheme:
705      * clipping
706      * ac02
707      * linear
708      * glw91
709      * dm95
710      * ldd97
711    - GMREDI_OPTIONS:
712      * GM_VISBECK_VARIABLE_K
713      * GM_NON_UNITY_DIAGONAL
714      * GM_EXTRA_DIAGONAL
715      * GM_BOLUS_ADVEC
716    in conjunction with data.gmredi parameters to be checked in
717    in a few minutes under verification/carbon/code/
718    
719    checkpoint47f_post
720    Merging from release1_p10:
721    o modifications for using pkg/exf with pkg/seaice
722      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
723        and SEAICE_EXTERNAL_FLUXES
724      - pkg/exf CPP options EXF_READ_EVAP and
725        EXF_NO_BULK_COMPUTATIONS
726      - usage examples are Experiments 8 and 9 in
727        verification/lab_sea/README
728      - verification/lab_sea default experiment now uses
729        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
730    
731    checkpoint47e_post
732    o created a tag prior to creating a branch
733    
734    checkpoint47d_post
735    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
736      at the bottom boundary had an erroneous half slip boundary condition
737    o added bottom drag and no slip boundary condition capabilities to
738      oceanic pressure coordinates code
739    o added new verification experiment global_ocean_pressure, this experiment is
740      also described in the tutorial section of the manual
741    checkpoint47d_pre
742    
743    checkpoint47c_post
744    o Added a verification experiment for a global cubed-sphere ocean run
745      -  verification/global_ocean.cubed32x32x30
746      -  uses pkg/therm_seaice and pkg/bulk_forcing
747    
748    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
749    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
750      when using P-coordinate; only implemented for atmospheric config.
751    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
752      NOTES: requires option NONLIN_FRSURF to be "#define".
753    o update advect_xz/results/output.txt (left from checkpoint44g_post)
754    
755    checkpoint47b_post
756    Merging from release1_p9:
757    o pkg/seaice
758      - removed GOTO's and added taf directives
759      - double precision constants to reduce the g77 (Linux)
760        to F77 (SGI) differences reported in release1_p8
761    o tools/genmake
762      - added SGI options
763    o verification/testscript
764      - updated to that of checkpoint47a_post
765    o verification/global_ocean.90x40x15/input/eedata
766      - modified for SGI f77 compatibility
767    o verification/lab_sea
768      - added description of sea-ice model
769      - added missing matlab routines
770      - added test of thermodynamics parallelization
771    
772    checkpoint47a_post
773    o new pkg: aim_v23
774     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
775       for now, keep the same surface forcing as before.
776     - Part-Cell implemented into AIM; check that Heat & Water are conserved
777     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
778     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
779    o add diagnostic of surface correction term in monitor output
780    
781    o bulk_force and therm_seaice
782    - Two packages:  bulk_force (Bulk forcing)
783      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
784    - Earlier integration from Stephaine Dutkiewicz
785      and Patrick Heimbach.
786    - Two ifdef statements for compile time,
787       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
788    
789    checkpoint47
790    differentiable version of checkpoint46n_post
791    o bug fix in quasihydrostaticterms
792    o * "clean" adjoint code (in terms of extensive recomputations)
793        can now be obtained for all GMREDI options (i.e. for
794        - GM_VISBECK_VARIABLE_K
795        - GM_NON_UNITY_DIAGONAL
796        - GM_EXTRA_DIAGONAL
797        - GM_BOLUS_ADVEC )
798      * However, wrong gradient check problem remains unsolved.
799      * New CPP options have been introduced for different
800        tapering schemes
801    o external_fields_load now part of differentiation list
802    o pressure needs multiple storing;
803      would be nice to have store_pressure at beginning or
804      end of forward_step, e.g. by having phiHyd global (5-dim.)
805      (NB: pressure is needed for certain cases in find_rho,
806      which is also invoked through convective_adjustment).
807    o recomputations in find_rho for cases
808     'JMD95'/'UNESCO' or 'MDJWF' are OK.
809    o #define ATMOSPHERIC_LOADING should be differentiable
810    o ini_forcing shifted to begining of initialise_varia
811    o Incorporating QNVS line search routines into MITgcm
812      (this is separate code, and therefore not under pkg)
813      lsopt/, optim/
814    o Updated verification/carbon/
815      - #define GM_VISBECK_VARIABLE_K
816      - GM_taper_scheme    = 'ldd97'    
817    
818    checkpoint46n_post
819    Merging from release1_p8:
820    o verification/natl_box:
821      updating new external_fields_load routine
822    o New package: pkg/seaice
823      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
824      The sea-ice code is based on Hibler (1979-1980).
825      Two sea-ice dynamic solvers, ADI and LSR, are included.
826      In addition to computing prognostic sea-ice variables and diagnosing
827      the forcing/external data fields that drive the ocean model,
828      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
829      The implied surface heat flux is then stored in variable
830      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
831      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
832      non-local transport term.  Because this call precedes model
833      thermodynamics, temperature under sea-ice may not be "exactly" at
834      the freezing point by the time theta is dumped or time-averaged.
835      N.B.: fairly large differences in accuracy occur across
836            different platforms/compilers; comparison between
837            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
838            generated output gives:
839       T           S           U           V
840      C D M    c        m  s        m  s        m  s        m  s
841      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
842      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
843      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
844    
845      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
846    o GAD:
847      - generated new common blocks to account for call of
848        same gad routines with differing traceridentities
849        (needed to modify tracerIdentity indices in GAD.h)
850      - generated separate common blocks for case useCubedSphereExchange
851        (Department of Futurology)
852      - parameter lists to gmredi_?transport: added tracerIdentity
853      - added new key indices to tamc.h
854    o external_fields_load:
855      - added this routine to TAF list
856      - needed to make some common blocks global and additional storing
857        along the same lines as exf package (checkpoint_lev?_directives.h)
858    o exf:
859      updated external forcing package
860      - bug fixes carried over from ecco-branch
861        (missing OBCS_OPTIONS.h in two routines)
862      - enable easy to use "no forcing".
863      - added exf I/O for atmospheric loading
864      - added exf I/O for runoff data
865      - transfered scaling between exf <-> MITgcm to exf namelist
866    o Adding new verification experiment global_with_exf.
867      This verification experiment is almost identical to the
868      global_ocean.90x40x15 experiment, except that it uses
869      the exf (and cal) package instead of the
870      external_fields_load routine (cf README file).
871    
872    checkpoint46m_post
873    o modified testscript to return -- when there are no lines of "%MON" output
874    o added new flag "quasiHydrostatic" for QH mode
875      and new routine quasihydrostaticterms()
876    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
877      New routine: mom_u_coriolis_nh()
878    o fixed sign of non-hydrostatic metric terms in u and v equations.
879      Depend on correct sign of gravitySign.
880    o added work.pc* to .cvsignore in aim directories using ifc
881    o introduced flag for controllin non-hydrostatic metric terms
882    o removed gravitySign from PARM04
883    o switched to g77/ifc from pgf77 in aim experiments
884    
885    checkpoint46l_post
886    o made convective adjustment work with pressure coordinates:
887     - changed the direction of k-loop in convective_adjustment.F for the
888       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
889     - adjusted the reference pressure k-index in convective_adjustment.F
890     - adjusted the convection condition in convect.F (in analogy to
891       calc_ivdc.F)
892     - convective_adjustment no longer computes anything on the halos
893     - removed the warnings about negative salinity from find_rho.F and
894       find_alpha.F; instead the new routine look_for_neg_salinity, called
895       at the beginning of find_rho, find_alpha, and find_beta, does a
896       check of the entire slice, if CPP-option
897       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
898    checkpoint46l_pre
899    
900    checkpoint46k_post
901    o fixed the verification/global_ocean.90x40x15 experiment:
902     - new bathymetry (the world according to A., JMC, and M.)
903     - new initial fields and forcing fields (*.bin files)
904     - new POLY3.COEFFS (for the next release one should switch to a full
905       equation of state: JMD95P or MDJWF)
906     - fixed several errors and redundancies in the data file
907     - experiment uses looped cells
908     - added matlab directory with diagnostic scripts for plotting of output
909    
910    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
911     - read AIM physics parameters from a file (data.aimphys)
912     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
913    
914    checkpoint46j_post
915    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
916    o move wVel computation at the end of the time step, in S/R integr_continuity
917    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
918    o update timeave pkg for wVel diagnostic.
919    checkpoint46j_pre
920    
921    checkpoint46i_post
922    o Clean up AIM package (and keep the results unchanged):
923      include CPP_OPTION and use IMPLICT NONE in all routines ;
924      declare all the variables _RL ; use _d 0 for all numerical constants.
925      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
926    
927    checkpoint46h_post
928    o cleaned up the use of rhoNil and rhoConst.
929      - rhoNil should only appear in the LINEAR equation of state, everywhere
930        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
931        and the dynamical equations are all divided by rhoConst
932    o introduced new parameter rhoConstFresh, a reference density of fresh
933      water, to remove the fresh water flux's dependence on rhoNil. The default
934      value is 999.8 kg/m^3
935    o cleanup up external_forcing.F and external_forcing_surf.F
936      - can now be used by both OCEANIC and OCEANICP
937    checkpoint46h_pre
938    
939     Added code to convert surface volume flux (fresh water) into
940     a mass flux when using P coordinates in the ocean (OCEANICP).
941     Note: It assumes you have set rho0=rhoConst=density of fresh water.
942    
943    checkpoint46g_post
944    o Include a new diagnostic variable phiHydLow for the ocean model
945      - in z-coordinates, it is the bottom pressure anomaly
946      - in p-coordinates, it is the sea surface elevation
947      - in both cases, these variable have global drift, reflecting the mass
948        drift in z-coordinates and the volume drift in p-coordinates
949      - included time averaging for phiHydLow, be aware of the drift!
950    o depth-dependent computation of Bo_surf for pressure coordinates
951      in the ocean (buoyancyRelation='OCEANICP')
952      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
953        Theta, Salinity, and Pressure in the parameter list. This routine is
954        presently contained in find_rho.F. This routine does not give the
955        correct density for 'POLY3', which would be a z-dependent reference
956        density.
957    o cleaned up find_rho
958      - removed obsolete 'eqn' from the parameter list.
959    o added two new verification experiments: gop and goz
960      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
961    checkpoint46g_pre
962    
963    checkpoint46f_post
964    o Enable tangent linear (forward mode) gradient checks:
965      - extended active file handling to g_... files
966      - added TANGENT_SIMULATION to theSimulationMode
967      - extended grdchk package accordingly
968    o added tangent linear setup in verification/carbon/code_ftl
969    o added adjoint setup in verification/front_relax/code_ad
970    
971    checkpoint46e_post
972    o Added new equation of state -> MDJWF
973      - EOS of McDougall et al., 2002, JAOT, submitted
974      - caveat: the equation of state is only valid for a smaller (more
975        realistic?) range of values than JMD95P/Z and UNESCO
976      - added masks to the calculation of pressure in store_pressure
977      - added more check values for density in check_eos (ini_eos.F), some of
978        the old check values are out of the range of the MDJWF-eos, so don't
979        expect perfect matches for those
980    checkpoint46e_pre
981    
982    checkpoint46d_post
983    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
984      'OCEANICP', also initialised field pressure correctly in ini_eos in the
985      case of pressure coordinates. eosType='JMD95Z' in
986      combination with buoyancyRelation='OCEANICP' now causes an error.
987    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
988      in find_alpha/beta.
989    checkpoint46d_pre
990    
991    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
992      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
993    
994    checkpoint46c_post
995    o Changes necessary for ocean in p-coordinates
996     -  Added new buoyancy relation = 'OCEANICP'
997     -  Added new parameters = gravitySign (this used to be contained inside
998        the factor dRdZ which I added when we first switched to R coordinates).
999     X GM/Redi is not compatible (yet)
1000     X bottom drag and no-slip need to be debugged.
1001    checkpoint46c_pre
1002    
1003    checkpoint46b_post
1004    o Added new equation of state -> JMD95Z and JMD95P
1005      - EOS of Jackett and McDougall, 1995, JAOT
1006      - moved all EOS parameters into EOS.h
1007      - new routines ini_eos.F, store_pressure.F
1008    o Added UNESCO EOS, but not recommended because it requires
1009      in-situ temperature (see JMD95)
1010    o Modified formatting for knudsen2.f in utils/knudsen2 and added
1011      unesco.f to be used with POLY3
1012    checkpoint46b_pre
1013    
1014    checkpoint46a_post
1015    o Added (atmospheric) pressure loading
1016      - new field in FFIELDS.h, etc...
1017      - new cpp flag ATMOSPHERIC_LOADING
1018    o Changed hFacC to _hFacC in calc_phi_hyd.F
1019    o Added SHORTWAVE_HEATING to some files for consistency
1020    checkpoint46a_pre
1021    
1022    checkpoint46
1023    further merges from release1_p5
1024    o new ctrl package
1025      - adopted from ECCO environment to enable optimization
1026      - added Eliassen Palm fluxes to controls
1027    o added Eliassen Palm flux controls to gradient check package
1028    o cost package
1029      - Compatible with new ctrl package
1030      - added Eliassen Palm cost hooks
1031      - modif's of existing cost functions
1032    o Adjoint-related bug fixes in kpp:
1033      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
1034      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
1035    o autodiff package
1036      - flow directives:
1037        + new for S/R do_the_model_io
1038        + enhanced for S/R checkpoint
1039        + new gmredi.flow
1040      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
1041        disable adcommon.h/g_common.h by default.
1042      - fixed problem for adjoint of global_max
1043    o modified verification/carbon/
1044    o New setup for adjoint of global_ocean
1045    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
1046    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
1047    o incorporated hooks for sponge layer code (external_forcing.F)
1048    
1049    checkpoint45d_post
1050    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
1051    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
1052      (affects plume_on_slope "cg2d" output)
1053    o add new parameter deltaTfreesurf for free-surface time stepping
1054    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
1055    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
1056    o change phiMin in exp1 (to agree with documentation)
1057    o add new flags:
1058     - T,S forcing inside/outside Adams-Bashforth
1059     - turn off temp,salt advection and/or forcing
1060     - for each tracer, define internal flag for multiDimAdvection & A-B
1061    o monitor: change definition of KE to check conservation of Energy
1062    
1063    checkpoint45c_post
1064    o Removed f90 comments ("!")
1065    o Modified initialisations to enable exf package for MITgcm
1066      (without invoking ECCO_PACKAGE).
1067    o modifications to gradient check package (Martin Losch)
1068      - enable centered differences
1069      - modified format of standard output
1070    
1071    checkpoint45b_post
1072    o cleaned exchange calls in cg2d
1073    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
1074    o included CPP option SINGLE_LAYER_MODE in thermodynamics
1075      to configure barotropic setup (Martin Losch)
1076    o moved some initialisations within bi,bj loop in dynamics
1077      (TAF flow dependency)
1078    o in initialise_varia, moved call packages_init_variables
1079      before convective_adjustment_init
1080      (corresponding adjustment of TAF tape initialisation).
1081    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
1082    
1083    checkpoint45a_post
1084    o compute Rho over the whole domain (extend iMin,jMin indices)
1085    o specific exchange for X-slice domain (case Ny=1)
1086    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
1087    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
1088    
1089    checkpoint44h_post = checkpoint45
1090    o Fix to restore differentiability:
1091      place at which packages_init_variables is called in
1092      initialise_varia is crucial for reverse control flow.
1093    o modifications in GMRedi to enable stable adjoint
1094      (corresponding modif's in thermodynamics, dynamics)
1095    o added missing hook for sponge layer code in external_forcing
1096    o modified test cost functions
1097    o storing in gad_advection (plus removal of write(0,*)!
1098    o missing headers TR1.h added in convective_adjustment routines
1099    o errorMessageUnit set non-equal zero in eeboot
1100      (conflict on some platforms, e.g. IBM SP3)
1101    o modified carbon verif.
1102    
1103    checkpoint44h_pre
1104    o vertical grid option: allow to put the Interface at the middle between
1105      2 cell-centers ; replace delZ in pkg/kpp by drF.
1106    o GM Advective form: Tracers are advected using the residual transport (=
1107      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
1108    
1109    checkpoint44g_post
1110    o fix surface correction term in multiDimAdvection (affects plume_on_slope
1111      results) ; ifdef missing in thermodynamics.F
1112    
1113    checkpoint44f_pre,checkpoint44f_post
1114    o added PTRACERS package
1115      This allows an arbitrary number of passive tracers to be integrated
1116      forward simultaneously with the dynamicaly model.
1117      + Implemented so far:
1118        - basic forward algorithm (time-stepping, advection, diffusion, convection)
1119        - I/O and checkpointing
1120        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
1121      + Not implemented so far:
1122        - KPP
1123        - OBCS
1124      + No specific example supplied (yet) but global_ocean.90x40x15 has the
1125        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
1126        line in data.pkg.
1127      + This package is disabled by default since it increases storage.
1128    
1129    
1130    o testscript: added -cleanup option
1131    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
1132                 b) enable to filter 2D fields.
1133    
1134    checkpoint44e_pre,post
1135    o re-wrote convective adjustment to use pre-calculated weights
1136      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
1137      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
1138      Original calls to convect() still in place.
1139    
1140    chkpt44d_pre,post
1141    o added missing EXCLUDE_MONITOR flags
1142    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
1143      (incompatible typ in MIN/MAX expressions caused problems
1144      on IBM SP3)
1145    o in genmake added variable MAKEDEPEND
1146      plus resetting for case SunOS
1147    o added timer_stats.c routine for IBM SP3
1148    o removed variables in dynamics
1149    !!! I forgot to create tag chkpt44d_pre !!!
1150    !!! But chkpt44d_pre = chkpt44c_post    !!!
1151    
1152    o real fresh water flux implemented with non-linear free-surface.
1153    
1154    chkpt44c_pre,post
1155    o few fix (mask in shap_s2, EmPmR in external_field_load,
1156      USE_NATURAL_BCS in solve_for_P);
1157    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
1158    
1159    checkpoint44b_pre/_post
1160    o merge of relevant stuff from the ecco-branch:
1161      - genmake: removed $S64 overwrite for case SunOS
1162      - pkg/exf: update and corrections for field swapping and obcs
1163      - pkg/ecco: parameter lists for the_model_main, the_main_loop
1164                  harmonized between ECCO and MITgcm
1165      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
1166                      updated checkpointing_lev... lists for obcs
1167      - model/src: minor changes in forward_step, plot_field
1168                   added directive for divided adjoint in the_main_loop
1169      - pkg/mdsio: added mdsio_gl_slice
1170    
1171    o check parameters & config (chkpt44a_pre,post)
1172    o OBC and NonLin_FrSurf.
1173    
1174    checkpoint44
1175    o fix bug in mom_vi_del2uv
1176    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
1177    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
1178    o update AIM experiments (NCEP input files)
1179    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
1180    o added some stuff for AD
1181    
1182    checkpoint43
1183    o added two new advection tests
1184    o added global 4x4 degree ocean test
1185    o added test of H&S94 with free surface on cube
1186    o some final mods for gradient check, adjoint,...
1187    
1188    checkpoint42
1189      Fixed AD-related problems:
1190    o Store directives up-to-date with re-arranged Adams-Bashforth
1191      (mainly thermodynamics.F)
1192    o New store directives for multi-dim. advection schemes
1193      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
1194      * new common block and key passkey
1195      (mainly gad_advection.F)
1196    o Modified store directives for split of dynamics/thermodynamics
1197      for the case ALLOW_KPP
1198    o Cleaned argument list for timestep_tracer.F
1199    
1200    checkpoint41
1201    o re-formatted/added comments in prologues of key subroutines
1202      to work with protex
1203    
1204    checkpoint40
1205    o moved calc_gs, calc_gt and calc_tr1 back to model/src
1206    o added FLT (floats) package from Arne along with demo. experiment
1207    o re-arranged Adams-Bashforth scheme for tracers to allow easier
1208      implementation of forward-in-time forcing terms
1209    o more mods for non-linear free-surface including new variable
1210    o modified multi-dim method to work on cube
1211    o bug fix in KPP (from DM)
1212    
1213    checkpoint40pre9
1214    o added DST advection schemes
1215    o fix MPI bug on SGI's
1216    o modifications for non-linear free-surface
1217    o fixed conditionals for fixed flow/passive tracer only mode
1218    o added tension/strain form of stress tensor
1219    o changes to commenting of arguments for TAF/TAMC
1220    o added/updated many matlab scripts
1221    o added multi-dimensional advection method for tracers
1222      
1223    checkpoint40pre8
1224    o new package rw/
1225      Added method for dumping intermediate local arrays:
1226      mdsio_writetile - same as mdsio_writefield except works from inside
1227                        bi,bj loop
1228      mdsio_writelocal - same as mdsio_writetile except works for local
1229                         arrays
1230      write_local_r? - higher-level wrapper for mdsio_writelocal
1231      Controlled by diagFreq. Defaults to zero (ie. no dumps)
1232      Example given at end of mom_vecinv.F that dumps some local arrays.
1233    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
1234      control flux-form versus vector invariant code.
1235      Switch is runtime flag vectorInvariantMomentum (defaults to false)
1236      or genmake -DISABLE ...
1237    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
1238      (additional storing is now needed for case vecinv;
1239      currently nothing implemented to switch this storing off
1240      in case fluxform is used since no CPP flag available).
1241    
1242    checkpoint40pre7
1243    o bug fix in dynamics.F
1244      calc_viscosity called before k=1,Nr loop.
1245    o added some #ifdef's ALLOW_PASSIVE_TRACER
1246    o cleaned initialisations in ctrl_map_ini
1247      related to TAF
1248    
1249    checkpoint40pre6
1250    o split dynamics into thermodynamics & dynamics
1251    o corresponding split of calc_diffusivity into
1252      calc_diffusivity, calc_viscosity
1253      (kpp_calc_diff, kpp_calc_visc).
1254    o Added diffkr, kapgm to control variables
1255    o bug fix in gmredi_slope_limit for ldd97
1256    
1257    checkpoint40pre5
1258    o proper initialization of Adams-Bashforth time stepping
1259      + uses forward step for very first step of model (iter=0)
1260    o re-generated *all* output since almost all output is modified by this
1261      change (sorry but we've been putting this one off for about 2 years)
1262      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
1263        *not* regenerated since they are already out of date and I don't
1264        want to create the impression that they are suddenly working.
1265    o removed KAP stuff for DEC's
1266    o modified/added many .cvsignore files in */code and */input
1267    o added new expt "solid-body.cs-32x32x1"
1268      + this uses an alternative form of ini_curvilinear_grid.F which
1269        is not necessarily any better than the current one...
1270    
1271    checkpoint40pre4
1272    o added re-initialisations of utrans,vtrans,rtrans in
1273      calc_common_factors which are crucial for TAF.
1274    o extended iMin,jMin range for calc_common_factors,
1275      calc_diffusivity
1276    o added option ALLOW_PASSIVE_TRACER
1277    o a few minor updates and fixes
1278    
1279    checkpoint40pre3
1280    o created calc_gtr1.F for gad package
1281    o split the_main_loop and re-introduced forward_step
1282    o some recomputations of nIter0 for TAMC
1283    
1284    checkpoint40pre2
1285    o Updated to latest branch of AJA, JMC
1286    o Added gradient check package
1287    o Added routines for passive tracer handling
1288    o Added carbon sequestration sensitivity experiment
1289    
1290    checkpoint39
1291     o Modifications and fixes to support TAMC
1292       (mainly missing or wrong directives)
1293     o Corrected common blocks when fooling TAMC to produce adjoint I/O
1294       in addummy_in_stepping
1295     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
1296     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
1297     o Included following packages:
1298       cal: calendar
1299       exf: external forcing
1300       ecco: essential routines to control use of cal, exf
1301             (NB: this is not the full ECCO environment)
1302     o disabled some packages by default in genmake
1303    
1304  checkpoint38  checkpoint38
1305   o see notes_c37_adj.txt   o see notes_c37_adj.txt
1306   o corrected wrong layer index in external_forcing_t   o corrected wrong layer index in external_forcing_t

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