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revision 1.47 by heimbach, Tue Aug 21 16:38:41 2001 UTC revision 1.253 by jmc, Tue Jan 27 19:55:02 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 fix errorMessageUnit problem. remove old version of mdsio from eesup/src
7    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
8      debug output
9    o modfied mdsio_writefield.F to handle non-global files under exch2
10    o update AIM Cubed-Sphere exp (aim.5l_cs):
11      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
12    o update AIM Equatorial Channel exp:
13      use standard aim_v23 pkg and change the SST fields to be more realistic.
14    o globalFile now works with exch2
15    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
16      mon_vort3.F to make exch2 friendly with >1 tile per cube face
17    o limit timeave output for hi-res integrations
18    
19    checkpoint52i_post
20    o removed CPP_EEOPTIONS.h from verification/*/code
21    o updated the tiling for global_ocean_pressure
22    checkpoint52i_pre
23    
24    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
25      the old pkg/aim).
26    
27    checkpoint52h_pre
28    o shortened offending lines in exch2_send_rx?.template
29    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
30    o genmake2: add build & execute test for NetCDF code
31    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
32      old grid files, moved CPP_EEMACROS.h to pkg/exch2
33    o added useSingleCPUIO flag to monitor.F and mon_out.F
34    o added temporary hack for sea-ice dynamics on the cube:
35      metric terms are ignored and it is assumed that
36      there is no sea-ice on cube faces 1, 2, 4, and 5.
37    
38    checkpoint52f_post
39    o added exch2 cube routines to pkg/exch2
40    o modified hs94.cs-32x32x5 to use it
41    o added new grid files to hs94.cs-32x32x5
42    checkpoint52f_pre
43    
44    checkpoint52e_post
45    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
46      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
47    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
48      to work with implicit vertical advection and AB ;
49    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
50    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
51     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
52    checkpoint52e_pre
53    
54    o fix bug in impldiff when Nr=1 or Nr=2.
55    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
56    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
57    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
58      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
59    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
60    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
61    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
62    
63    checkpoint52d_post
64    o re-tiled many expts to allow comparison in multi-processor mode
65      - updated output accordingly
66      - changed hs94.128x64x5 to use intial T from file rather than use the
67        random number generator
68    o add infrastructure in model routines for fizhi and gridalt packages
69    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
70    o changes to permit hi-res, cubed-sphere, configuration
71      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
72      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
73      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
74        of surface winds for the cube
75      (A verification experiment, based on global_ocean.cs32x15, but with
76       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
77       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
78       complete with example surface forcing files and matlab scripts to look
79       at the output and compare it with that of global_ocean.cs32x15.)
80    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
81       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
82       to conform to the common rule.
83    o check-in the first version of the coupler + interfaces for multi-components
84       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
85       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
86       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
87       - ocean and atmos. share the same horizontal grid (no interpolation).
88       - exchanges between component and coupler is done in forward_step
89    o new verification experiment, cpl_aim+ocn:
90       coupled ocean - AIM atmosphere on cs32 grid.
91    
92    checkpoint52d_pre
93    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
94    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
95    
96    checkpoint52c_post
97    o Fixing OPTIONS files for use of exf:
98      - ALLOW_ECCO not needed
99      - ECCO_CPPOPTIONS.h should not be included from
100        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
101        as has been the case in the past
102      - All cal/exf related options are currently set in
103        single header file. Should remain so until we
104        agree on a consistent new policy.
105    o Removed all CPP options for cal package.
106      cal has no more CPP options.
107    o modified STOREs in GAD_ADVECTION
108    o corrected key comp. for passkey
109    
110    checkpoint52b_post
111    o new version: "thsice" of thermodynamic sea-ice pkg:
112     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
113     - modify fluxes but do not change theta directly;
114     - light cleaning of bulk_force pkg (still needed with thsice).
115     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
116       + output_thsice.txt to test thsice & bulk_force pkgs.
117    o put back grid & coriolis monitor output.
118    checkpoint52b_pre
119    
120    o call "do_the_model_io" at the beginning (=> dump initial state)
121    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
122    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
123      (need info on NUMBER_OF_PTRACERS)
124    o missing PTRACERS headers in some routines
125    o default tamc.h in pkg/autodiff supposed to crash
126      to ensure proper customization
127    
128    checkpoint52a_post
129    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
130      - moved surfaceTendencyTice from pkg/seaice to main code
131      - subroutine FREEZE_SURFACE now limits only surface temperature
132        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
133        => new output.txt for global_ocean.cs32x15 & global_with_exf
134      - keep the old version of FREEZE for backward compatibility;
135        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
136      - corresponding modifs for TAF directives
137    o added surface flux output variables to TIMEAVE_STATVARS
138    o time-averaged output for pkg/ptracers
139    o fix problem with ECCO-related divided adjoint
140      snapshot file was missing some ad-variables,
141      but no warning issued by TAF
142    
143    checkpoint52a_pre
144    o some bug fixes for #undef REAL4_IS_SLOW
145    
146    checkpoint52 = ecco_c52_e35
147    o after testing adjoints of checkpoint51u_post
148    
149    checkpoint51u_post
150    o this is the post-merge tag of the ecco-branch
151      (needs another clean checkout and re-testing)
152    o various natl_box_adjoint configs and results
153      but no input fields
154    o obcs adjoint not yet merged!
155    o adding ECCO global 1x1 and 2x2 degree configs
156    o updated/extended some store directives for seaice
157    o pkg/ecco now containes ecco-specific part of cost function
158    o top level routines the_main_loop, forward_step
159      supersede those in model/src/
160      previous input data.cost now in data.ecco
161      (new namelist ecco_cost_nml)
162    o in ctrl/ cleaned some cross-dependencies and updated CPP options
163    
164    checkpoint51t_post
165    o this is the pre-merge tag of the ecco-branch
166    
167    checkpoint51s_post
168    o cleanup: removed various obsolete #define-s
169    o pkg/grdchk
170      - renamed 'ph-grd 3' to 'grad-res'
171      - merged from ecco-branch
172        (remaining bug fixes for obcs gradient checks)
173      - additional high-precision output for testreport
174        (grep for 'precision_grdchk_result')
175    
176    checkpoint51r_post
177    o cleaned up or removed CPP_OPTIONS.h files
178    o updated results for some of the tests to reflect the new
179      optfiles (-ieee: -O0 instead of -O3)
180    
181    checkpoint51q_post
182    o cd_code:
183      - moved cd_scheme.F -> cd_code_scheme.F
184      - separate read_checkpoint from cd_code_ini_vars.F
185      - separated cd_code part from write_checkpoint
186      - updated AD_SOURCE, generated .flow
187      - added CD_CODE_VARS.h to the_main_loop
188      - Moving cd_code specific store dir.s to pkg/cd_code
189    o ctrl package totally restructured
190      - pack/unpack now optional and decoupled from
191        xx_/adxx_ I/O
192      - ctrl_pack/unpack cleaned
193        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
194      - confined inclusion of AD_CONFIG.h to where necessary.
195    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
196    
197    checkpoint51p_post
198    o create initial cd_code package
199      - WARNING: the initialization of fields within packages
200        is broken because INI_FIELDS (where READ_CHECKPOINT is
201        called) is called *before* PACKAGES_INIT_VARIABLES.
202        This seems to be backwards since
203        1) its important to initially zero the entire field including
204           the "halo" region
205        2) zeroing needs to be done *before* reading pickup info
206           and the pickup call might or might not happen in any
207           particular run
208      - this needs an overhaul for R2
209    o cleanup verification/*/code/GMREDI_OPTIONS.h
210    o cleanup testreport
211    
212    checkpoint51o_post
213    o bringing AD-related verif's up to date with genmake2
214      - carbon/
215      - global_ocean.90x40x15/
216      - hs.94.1x64x5/
217      - (front_relax/ )
218    o (more) consistent directory structure for AD-related verif.'s
219    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
220    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
221    o bug fix in find_alpha.F for MDJWF:
222      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
223        change rho -> rho-rhoConst
224      - replace call find_rho to find_rhonum
225    o initialisation of rFlx extended to full array (required by TAF)
226      and shifted to thermodynamics
227    o removed PTRACERS.h in ptracers routine
228    o added surfacetendencyPtr to S/R parameter list pracers_forcing
229    o Correcting initialisations for fVerU, fVerV.
230    o helping TAF to recognize dependency on kUp for
231      fVerU, fVerV
232    o Replacing delZ by delR in pkg/ctrl/
233    checkpoint51o_pre
234    
235    o undid all of cp51 pending some cleanups and discussion
236    o added the [#include "AD_CONFIG.h"] statement to all files that need
237       it for adjoint/tl #defines
238     o re-worked the build logic in genmake2 to support AD_CONFIG.h
239     o removed tools/genmake since it no longer works
240    
241    checkpoint51n_post
242    o modifications to make FREEZE flux visible to pkg/kpp
243      - moved surfaceTendencyTice from pkg/seaice to main code
244      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
245      - subroutine FREEZE now limits only surface temperature
246        (this means new output.txt for global_ocean.90x40x15,
247         global_ocean.cs32x15, and global_with_exf)
248    o added surface flux output variables to TIMEAVE_STATVARS
249    
250    checkpoint51n_pre
251    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
252    o added [#include "AD_CONFIG.h"] to all files that use the following
253      defines:
254      - ALLOW_ADJOINT_RUN
255      - ALLOW_TANGENTLINEAR_RUN
256      - ALLOW_ECCO_OPTIMIZATION
257    
258    checkpoint51m_post
259    o incorporating changes to get TAMC/TAF working in genmake2
260      - added new TAMC/TAF targets to the Makefile
261      - various cleanups related to package handling
262      - these changes should have no impact on the forward model
263    
264    checkpoint51l_post
265    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
266     - faster algorithm for cal_addtime.F
267     - higher precision arithmetic, where needed
268     - pkg/exf *startdate variables changed from calendar date to
269       model integration time
270    
271    checkpoint51l_pre
272    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
273    o enable to apply restoring on S & T only in a latitude band.
274    o update output (external_forcing_surf modif. change truncation errors)
275       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
276    
277    checkpoint51k_post
278    o change default to: useNHMTerms=.FALSE.
279     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
280       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
281     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
282        exp1, ideal_2D_oce
283     - change data file of oceanic exp (leave the results unchanged for now)
284       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
285    o set gravitySign automatically according to the vertical coordinate used
286      (and change sign: back to "logical" value: +1 when R increases downward)
287    o added an include barrier to the default CPP_OPTIONS.h and
288      removed the #include "PACKAGES_CONFIG.h" from it
289    o fix a bug in mom_fluxform (from chk51j_post)
290    
291    checkpoint51j_post
292    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
293    o adjusted some flow directives (dynamics, thermodynamics)
294    o added cubed-sphere case to test cost function
295    o heckpoint_lev?_directives.h now include
296      pkg-specific directives, whenever those are enabled.
297    o Moving pkg-specific flow directives to corresponding pkg
298      Moving pkg-specific differentiation list to corresponding pkg
299      Moving pkg-specific checkpoint-lev storing to corresponding pkg
300      ---> conventions are
301           - pkg_ad.flow
302           - pkg_ad_diff.list
303           - pkg_ad_check_lev?_dir.h
304    
305    checkpoint51i_post
306    o merge of the branch-genmake2
307      - knowingly breaks the older genmake
308      - automatic generation of all ALLOW_${PKG_NAME} defines
309      - new testreport supersedes older testscript
310    o large number of package inclusion and header cleanups
311    checkpoint51i_pre
312    
313    o new output for adjoin of global ocean vector invariant
314    o fix for checkpoint of thermodynamic seaice and bulk_force
315    o Steph gchem various cleanups
316    
317    checkpoint 51h_pre
318    o fixed some single quotes
319    o modify gchem pkg to be more versatile
320    o modifications to clean up dic pkg
321    o add pkg/cfc
322    
323    checkpoint51g_post
324    o provide links for ARPACK and ADM*TLM
325    o start removing verification/vero/
326    o update AD-related stuff
327      (in particular some IF-statements in model/src/ routines)
328    o adding to verification/global_ocean.90x40x15/ adjoint of
329      vector invariant setup
330    
331    checkpoint51f_post
332    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
333    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
334      of tracer Green's fucntions for ocean inversion project.
335    
336    checkpoint51f_pre
337    o Added on-the-fly spatial interpolation capability
338        "USE_EXF_INTERPOLATION" to pkg/exf.
339      - This is a temporary Cartesian-grid hack until
340        the super-duper ESMF coupler becomes available.
341      - See verification/global_with_exf/README for usage example.
342      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
343        flags and modified pkg/seaice accordingly.
344    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
345        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
346        non-local transport term.
347    
348    checkpoint51e_post
349    o pkg/mom_vecinv:
350      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
351      - add time-ave diagnostic of vorticity advection.
352    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
353    o atmospheric geopotential: - include water vapor effect;
354                                - use p^kappa in p* scaling.
355    o land pkg: read initial state from files.
356    o AIM : add stratospheric drag in the upper level
357    
358    checkpoint51d_post
359    o change function ILNBLNK (=> last non-blank char.) to return zero
360      (instead of the string length) when the string. char is empty
361    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
362    o modif's to restore TAMC compatibility
363      - avoid "_d" constructs in PARAMETER declarations
364      - avoid interrupting lines by comment lines
365    o Use cluster local disks for purely local I/O
366      vs. globally visible disks needed for ctrl stuff
367      (merged from ecco-branch)
368      - new active_file_loc... and mdsio_..._loc routines
369      - affected packages: autodiff, ctrl, grdchk, mdsio
370    
371    checkpoint51c_post
372    o introducing integer flag debugLevel
373      - debLevZero: suppress all output
374      - debLevA: standard
375      - debLevB: equivalent to current debugMode=.TRUE.
376    o introducing pathname variable mdsioLocalDir for mdsio
377      that can be specified at runtime
378      (relevant for cluster I/O to local disk)
379    `
380    >>>checkpoint51b_post
381    adjoint of ptracers
382    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
383    o extended state in checkpoint_lev?, etc.
384    o alternative ctrl/cost with tr1 or ptracer
385    o new comlev1_bibj_ptracers
386    o new ptracers.flow
387    o made ptracers_forcing same as external_forcing_s
388    o added verification for adjoint with ptracers
389      - adm. grdchk fail so far
390      - tlm. grdchk OK
391      - checked tapelev/comlev recomputations: OK
392    <<<checkpoint51b_pre
393    
394    checkpoint51a_post
395    o added code for biogeochemistry package
396      - new pkgs: dic, gchem
397      - new subroutine in ptracers
398    o modify code for biogeo packages
399      - in model/src and pkg/ptracers
400    
401    checkpoint51
402    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
403      - autodiff, ctrl, exf, grdchk, seaice
404      kept separate packages
405      - cost, ecco, obcs
406    o updating verification/internal_wave, verification/lab_sea
407      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
408    
409    checkpoint50i_post
410    o Preparing next differentiable checkpoint and sync
411      of MAIN vs. ecco-branch
412      - 1st step: this one is differentiable
413      - 2nd step: next(! not this) checkpoint will have updated packages
414                  from ecco-branch)
415    
416    checkpoint50h_post
417    o new package "land": provide surface BC for AIM.
418    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
419    o AIM: use true log-P extrapolation for near surface temp (= as in
420        F.Molteni paper) ; update aim.5l_cs output.
421    o New variable in PARM03 for more flexible pickups
422    o somewhat cleaned package initialisation sequence for
423      ctrl/ cost/ ecco/ in packages_... routines
424    
425    checkpoint50g_post
426    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
427      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
428      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
429        made the default because of faster convergence than ADI
430    
431    checkpoint50f_post
432    o exf totally restructured
433      - replaced all exf_set_ routines by one generic exf_set_gen.F
434        and made sure it's still differentiable
435      - split exf_getffields.F into new exf_bulkformulae.F
436      - exf_inscal_/exf_outscal_ suffixes consistent with field names
437      - updated adjoint/makefile and relevant verif. accordingly
438    
439    checkpoint50f_pre
440     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
441          + change Evap over land. (update aim.5l_cs output)
442     o added missing .cvsignores and made uniform across expts
443     o changed configuration of tidal_basin_2d expt
444     o added pkg/debug functions for tracing code in fatal crashes
445     o tidied pkg/monitor to use MONITOR_OPTIONS.h
446     o new fn in pkg/monitor to stop model if solution grows too big
447     o removed lots of single quotes from comments
448    
449    checkpoint50e_post
450    o make KPP work with PTRACERS
451     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
452       nearly a copy of kpp_transport_s
453     - there is no analogue to SurfaceTendencyS, so I have to use
454       gPtr(of the surface layer) instead
455    o add a new platform SunFire+mpi (SunFire 15000) to genmake
456    checkpoint50e_pre
457    
458    checkpoint50d_post
459    o change kpp output from multiple-record state files to single-record state
460      files analogous to write_state.F
461    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
462      analogous to the cg2d-related output.
463    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
464      so that writing to internal file fn (with length 512) fails.
465    checkpoint50d_pre
466    
467    checkpoint50c_post
468    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
469    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
470    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
471    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
472    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
473    
474    checkpoint50c_pre
475    Merging from release1_p13:
476    o bug fix for pkg/seaice dynamic solver
477    o Added SEAICE_initialHEFF to pkg/seaice
478    
479    checkpoint50b_post
480    o store u*,v* in gU,V instead of in guNm1,gvNm1
481    o in order to put the momForcing out of the Adams-Bashforth:
482      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
483      to timestep.F
484    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
485    o re-generate output for highly sensitive test-exp:
486       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
487    
488    checkpoint50b_pre
489    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
490    o corrected CPP option mismatch in exf_Bulk... functions for case
491      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
492    
493    checkpoint50a_post
494    o Bug fix for merging between c50 and KPP.
495      ikey was passed from thermodynamics to kpp_calc via
496      common block rather than being recomputed in kpp_calc,
497      in contradiction with new key itdkey.
498      New key ikppkey created, and tamc.h headers updated.
499    
500    checkpoint50
501    - 2nd step of merge with ecco-branch:
502      merge changes in ecco-branch back into main trunk
503    - bug fix in find_alpha
504    - more storing in gmredi_calc_tensor.F, kpp_routines.F
505    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
506    - merged some sliced AD support routines
507    
508    checkpoint49
509    merged from ecco-branch:
510    o exf:
511      - Enable initialisation of forcing fields to constant
512        (runtime) values.
513      - in exf_getffields.F
514        Reduce i-/j-loop to interior domain, discarding overlaps.
515        That also fixes wrong TAF-key computations for key_1, key_2
516        with bulf formulae.
517      - exf_init.F modify #ifdef for exf_init_evap
518      - exf_getffieldrec.F, ctrl_getrec.F
519        The following INT-usages are not safe:
520          fldsecs  = int(fldsecs/fldperiod)*fldperiod
521          fldcount = int(fldsecs/fldperiod) + 1
522        and were modified.
523    o autodiff: checkpoint_lev...
524      - updated storing for bulk formulae (some arrays were missing)
525      - added state for seaice package
526      - synchronized with main branch
527    o DIVA:
528      Modif.s in
529      - the_main_loop.F
530      - the_model_main.F
531      and added cost_final_restore.F cost_final_store.F
532      o With these changes, it is possible to fully separate
533        the first forward run to compute the cost function (mdthe_main_loop)
534        and adjoint runs over individual DIVA intervals (adthe_main_loop)
535        into separate model executions.
536        This enables better tuning of DIVA to given queue sizes.
537      o Loss of cost function value in consecutive DIVA runs is
538        fixed by storing to 'costfinal' file.
539      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
540        beginning/end of adjoint integration is accounted for.
541      The current changes apply to TAF-1.4.26.
542      TAF has one remaining bug, requiring one manual change
543      (see MITgcm manual).
544    o cal: synchronized between MAIN and ecco-branch
545    
546    checkpoint48i_post
547    o Changes to restore differentiability of code w.r.t. previous tag
548      (mostly adding new routines to make list and replacing
549      pressure by totPhiHyd).
550    o Updated and merged grdchk package
551      - has both ADM and TLM checks
552      - works for single- and multi-proc.
553      - output cleaned
554      - worked successfully for parallel DIVA
555    o genmake:
556      - Adding -platform=SP4
557      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
558    o Modif. for DIVA:
559      ctrl_unpack should not be called in intermediate DIVA interval.
560      (similar thing would apply for active files such as
561      tbar, sbar, psbar, which should not be reinitialised;
562      only relevant for ecco-branch)
563    
564    checkpoint48h_post
565    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
566    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
567    o Added SEAICE_initialHEFF to pkg/seaice
568    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
569    
570    checkpoint48g_post
571    --- EOS:
572    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
573      store total Potential in totPhyHyd for diagnostics & EOS.
574    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
575    --- Pressure/geopotential gradient:
576    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
577    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
578      ( changes results of global_ocean_pressure )
579    o NLFS + z-coord.: add eta*Rho' contribution.
580    o accurate phiHyd when using interface-W at the middle between 2 centers
581     ( changes results of ideal_2D_oce )
582    o includes r* 2nd term in potential gradient.
583    
584    checkpoint48f_post
585    Merging from release1_p12:
586    o Modifications for using pkg/exf with pkg/seaice
587      - improved description of the various forcing configurations
588      - added basic radiation bulk formulae to pkg/exf
589      - units/sign fix for evap computation in exf_getffields.F
590      - updated verification/global_with_exf/results/output.txt
591    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
592      (SBO) core products, including oceanic mass, center-of-mass,
593      angular, and bottom pressure (see pkg/sbo/README.sbo).
594    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
595      to avoid negative values in shallow regions.
596      - updated verification/natl_box/results/output.txt
597      - updated verification/lab_sea/results/output.txt
598    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
599    o Added useSingleCpuIO option (see PARAMS.h).
600    o Updated useSingleCpuIO option in mdsio_writefield.F to
601      work with multi-field files, e.g., for single-file pickup.
602    o pkg/seaice:
603      - bug fix in growth.F: QNET for no shortwave case
604      - added HeffFile for specifying initial sea-ice thickness
605      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
606    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
607      kpp_transport_t.F, forward_step.F, and the_main_loop.F
608    o pkg/seaice:
609      - adjoint-friendly modifications
610      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
611    
612    checkpoint48e_post
613    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
614    o dynamics: change definition of computational domain & adapt mom_fluxform
615      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
616    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
617        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
618        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
619        global_ocean.90x40x15 global_with_exf global_ocean_pressure
620        inverted_barometer solid-body.cs-32x32x1
621      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
622    
623    checkpoint48d_post
624    o in preparation for r*:
625     a) use pre-computed gradient of hydrostatic potential:
626        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
627     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
628        => affects results of glob_oce_pressure (different truncation error)  
629      update output.txt of ideal_2D_oce & global_ocean_pressure
630    
631    checkpoint48d_pre
632    o in preparation for r*:
633      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
634      pass the 2 comp. of the grad. as arguments to momentum S/R.
635      but for the moment, only used if it does not change the results.
636    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
637    
638    checkpoint48c_post
639    Modifications in treatment of initial flux forcing controls
640    to avoid extra storing of flux fields.
641    
642    checkpoint48c_pre
643    o Added tidal_basin_2d experiment (currently 1D!)
644    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
645    
646    checkpoint48b_post
647    o r* coordinate added in #ifdef NONLIN_FRSURF block.
648     (modification to pressure gradient not yet implemented)
649    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
650      (for U & V) that are used for vertical advection of momentum.
651    
652    checkpoint48a_post
653    o In preparation for r*, use temp. array to compute vertical transport
654       in flux-form momentum pkg. => change results of few test-exp.
655      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
656                        lab_sea, natl_box & plume_on_slope
657    
658    checkpoint48
659    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
660    
661    checkpoint47j_post
662    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
663    o moved adexch from forward_step to addummy_in_stepping
664    o added exch in ctrl_map_...
665    o aveFreq.=0. at end of cost_final to avoid overwrite in
666      reverse checkpointing loop
667    o Yet more changes in gmredi:
668      * adgmredi_calc_tensor
669        avoiding all recomputation of gmredi_slope_limit
670      * adgmredi_x/y/rtransport
671        added flag for excessive storing to avoid recomp. of
672        u/v/rtans, dTdx/y/z
673        -> this is not really necessary and very memory-consuming
674      * adgmredi_slope_psi:
675        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
676      * gmredi_slope_limit
677        re-activated full calculation of taperfct for case 'ac02'
678    o updating verification/ adjoints of carbon, global_ocean.90x40x15
679    
680    checkpoint47i_post
681    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
682    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
683      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
684    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
685    o gmredi: fix few bugs.
686    
687    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
688    This will be a good checkpoint to plug into the ecco-branch.
689    o few modif.'s to get latest version adjointed
690      (mainly kick out code in ini_linear_phisurf)
691    o modif's to run adjoint with exactConserv
692    o case GM_BOLUS_ADVEC should be cleaned
693      S/R gmredi_slope_psi should be cleaned
694    o verification/carbon now has exactConserv=.TRUE.
695    
696    checkpoint47g_post
697    o time-average AIM output: becomes independent from statvars time-average
698      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
699    o After TAF bug fix:
700      Tested adjoint of gmredi package.
701      Tests were done with checkpoint47 rather than with latest
702      checkpoint47f_post since the latter is broken for the adjoint
703      verification/carbon/ contains both ADM and TLM gradient checks.
704    Here they are, before they get changed/lost/stolen.
705    Mostly modif.'s to fix numerical sensitivities.
706    Gradient checks OK for
707    - GM_taper_scheme:
708      * clipping
709      * ac02
710      * linear
711      * glw91
712      * dm95
713      * ldd97
714    - GMREDI_OPTIONS:
715      * GM_VISBECK_VARIABLE_K
716      * GM_NON_UNITY_DIAGONAL
717      * GM_EXTRA_DIAGONAL
718      * GM_BOLUS_ADVEC
719    in conjunction with data.gmredi parameters to be checked in
720    in a few minutes under verification/carbon/code/
721    
722    checkpoint47f_post
723    Merging from release1_p10:
724    o modifications for using pkg/exf with pkg/seaice
725      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
726        and SEAICE_EXTERNAL_FLUXES
727      - pkg/exf CPP options EXF_READ_EVAP and
728        EXF_NO_BULK_COMPUTATIONS
729      - usage examples are Experiments 8 and 9 in
730        verification/lab_sea/README
731      - verification/lab_sea default experiment now uses
732        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
733    
734    checkpoint47e_post
735    o created a tag prior to creating a branch
736    
737    checkpoint47d_post
738    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
739      at the bottom boundary had an erroneous half slip boundary condition
740    o added bottom drag and no slip boundary condition capabilities to
741      oceanic pressure coordinates code
742    o added new verification experiment global_ocean_pressure, this experiment is
743      also described in the tutorial section of the manual
744    checkpoint47d_pre
745    
746    checkpoint47c_post
747    o Added a verification experiment for a global cubed-sphere ocean run
748      -  verification/global_ocean.cubed32x32x30
749      -  uses pkg/therm_seaice and pkg/bulk_forcing
750    
751    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
752    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
753      when using P-coordinate; only implemented for atmospheric config.
754    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
755      NOTES: requires option NONLIN_FRSURF to be "#define".
756    o update advect_xz/results/output.txt (left from checkpoint44g_post)
757    
758    checkpoint47b_post
759    Merging from release1_p9:
760    o pkg/seaice
761      - removed GOTO's and added taf directives
762      - double precision constants to reduce the g77 (Linux)
763        to F77 (SGI) differences reported in release1_p8
764    o tools/genmake
765      - added SGI options
766    o verification/testscript
767      - updated to that of checkpoint47a_post
768    o verification/global_ocean.90x40x15/input/eedata
769      - modified for SGI f77 compatibility
770    o verification/lab_sea
771      - added description of sea-ice model
772      - added missing matlab routines
773      - added test of thermodynamics parallelization
774    
775    checkpoint47a_post
776    o new pkg: aim_v23
777     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
778       for now, keep the same surface forcing as before.
779     - Part-Cell implemented into AIM; check that Heat & Water are conserved
780     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
781     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
782    o add diagnostic of surface correction term in monitor output
783    
784    o bulk_force and therm_seaice
785    - Two packages:  bulk_force (Bulk forcing)
786      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
787    - Earlier integration from Stephaine Dutkiewicz
788      and Patrick Heimbach.
789    - Two ifdef statements for compile time,
790       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
791    
792    checkpoint47
793    differentiable version of checkpoint46n_post
794    o bug fix in quasihydrostaticterms
795    o * "clean" adjoint code (in terms of extensive recomputations)
796        can now be obtained for all GMREDI options (i.e. for
797        - GM_VISBECK_VARIABLE_K
798        - GM_NON_UNITY_DIAGONAL
799        - GM_EXTRA_DIAGONAL
800        - GM_BOLUS_ADVEC )
801      * However, wrong gradient check problem remains unsolved.
802      * New CPP options have been introduced for different
803        tapering schemes
804    o external_fields_load now part of differentiation list
805    o pressure needs multiple storing;
806      would be nice to have store_pressure at beginning or
807      end of forward_step, e.g. by having phiHyd global (5-dim.)
808      (NB: pressure is needed for certain cases in find_rho,
809      which is also invoked through convective_adjustment).
810    o recomputations in find_rho for cases
811     'JMD95'/'UNESCO' or 'MDJWF' are OK.
812    o #define ATMOSPHERIC_LOADING should be differentiable
813    o ini_forcing shifted to begining of initialise_varia
814    o Incorporating QNVS line search routines into MITgcm
815      (this is separate code, and therefore not under pkg)
816      lsopt/, optim/
817    o Updated verification/carbon/
818      - #define GM_VISBECK_VARIABLE_K
819      - GM_taper_scheme    = 'ldd97'    
820    
821    checkpoint46n_post
822    Merging from release1_p8:
823    o verification/natl_box:
824      updating new external_fields_load routine
825    o New package: pkg/seaice
826      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
827      The sea-ice code is based on Hibler (1979-1980).
828      Two sea-ice dynamic solvers, ADI and LSR, are included.
829      In addition to computing prognostic sea-ice variables and diagnosing
830      the forcing/external data fields that drive the ocean model,
831      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
832      The implied surface heat flux is then stored in variable
833      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
834      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
835      non-local transport term.  Because this call precedes model
836      thermodynamics, temperature under sea-ice may not be "exactly" at
837      the freezing point by the time theta is dumped or time-averaged.
838      N.B.: fairly large differences in accuracy occur across
839            different platforms/compilers; comparison between
840            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
841            generated output gives:
842       T           S           U           V
843      C D M    c        m  s        m  s        m  s        m  s
844      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
845      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
846      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
847    
848      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
849    o GAD:
850      - generated new common blocks to account for call of
851        same gad routines with differing traceridentities
852        (needed to modify tracerIdentity indices in GAD.h)
853      - generated separate common blocks for case useCubedSphereExchange
854        (Department of Futurology)
855      - parameter lists to gmredi_?transport: added tracerIdentity
856      - added new key indices to tamc.h
857    o external_fields_load:
858      - added this routine to TAF list
859      - needed to make some common blocks global and additional storing
860        along the same lines as exf package (checkpoint_lev?_directives.h)
861    o exf:
862      updated external forcing package
863      - bug fixes carried over from ecco-branch
864        (missing OBCS_OPTIONS.h in two routines)
865      - enable easy to use "no forcing".
866      - added exf I/O for atmospheric loading
867      - added exf I/O for runoff data
868      - transfered scaling between exf <-> MITgcm to exf namelist
869    o Adding new verification experiment global_with_exf.
870      This verification experiment is almost identical to the
871      global_ocean.90x40x15 experiment, except that it uses
872      the exf (and cal) package instead of the
873      external_fields_load routine (cf README file).
874    
875    checkpoint46m_post
876    o modified testscript to return -- when there are no lines of "%MON" output
877    o added new flag "quasiHydrostatic" for QH mode
878      and new routine quasihydrostaticterms()
879    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
880      New routine: mom_u_coriolis_nh()
881    o fixed sign of non-hydrostatic metric terms in u and v equations.
882      Depend on correct sign of gravitySign.
883    o added work.pc* to .cvsignore in aim directories using ifc
884    o introduced flag for controllin non-hydrostatic metric terms
885    o removed gravitySign from PARM04
886    o switched to g77/ifc from pgf77 in aim experiments
887    
888    checkpoint46l_post
889    o made convective adjustment work with pressure coordinates:
890     - changed the direction of k-loop in convective_adjustment.F for the
891       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
892     - adjusted the reference pressure k-index in convective_adjustment.F
893     - adjusted the convection condition in convect.F (in analogy to
894       calc_ivdc.F)
895     - convective_adjustment no longer computes anything on the halos
896     - removed the warnings about negative salinity from find_rho.F and
897       find_alpha.F; instead the new routine look_for_neg_salinity, called
898       at the beginning of find_rho, find_alpha, and find_beta, does a
899       check of the entire slice, if CPP-option
900       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
901    checkpoint46l_pre
902    
903    checkpoint46k_post
904    o fixed the verification/global_ocean.90x40x15 experiment:
905     - new bathymetry (the world according to A., JMC, and M.)
906     - new initial fields and forcing fields (*.bin files)
907     - new POLY3.COEFFS (for the next release one should switch to a full
908       equation of state: JMD95P or MDJWF)
909     - fixed several errors and redundancies in the data file
910     - experiment uses looped cells
911     - added matlab directory with diagnostic scripts for plotting of output
912    
913    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
914     - read AIM physics parameters from a file (data.aimphys)
915     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
916    
917    checkpoint46j_post
918    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
919    o move wVel computation at the end of the time step, in S/R integr_continuity
920    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
921    o update timeave pkg for wVel diagnostic.
922    checkpoint46j_pre
923    
924    checkpoint46i_post
925    o Clean up AIM package (and keep the results unchanged):
926      include CPP_OPTION and use IMPLICT NONE in all routines ;
927      declare all the variables _RL ; use _d 0 for all numerical constants.
928      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
929    
930    checkpoint46h_post
931    o cleaned up the use of rhoNil and rhoConst.
932      - rhoNil should only appear in the LINEAR equation of state, everywhere
933        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
934        and the dynamical equations are all divided by rhoConst
935    o introduced new parameter rhoConstFresh, a reference density of fresh
936      water, to remove the fresh water flux's dependence on rhoNil. The default
937      value is 999.8 kg/m^3
938    o cleanup up external_forcing.F and external_forcing_surf.F
939      - can now be used by both OCEANIC and OCEANICP
940    checkpoint46h_pre
941    
942     Added code to convert surface volume flux (fresh water) into
943     a mass flux when using P coordinates in the ocean (OCEANICP).
944     Note: It assumes you have set rho0=rhoConst=density of fresh water.
945    
946    checkpoint46g_post
947    o Include a new diagnostic variable phiHydLow for the ocean model
948      - in z-coordinates, it is the bottom pressure anomaly
949      - in p-coordinates, it is the sea surface elevation
950      - in both cases, these variable have global drift, reflecting the mass
951        drift in z-coordinates and the volume drift in p-coordinates
952      - included time averaging for phiHydLow, be aware of the drift!
953    o depth-dependent computation of Bo_surf for pressure coordinates
954      in the ocean (buoyancyRelation='OCEANICP')
955      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
956        Theta, Salinity, and Pressure in the parameter list. This routine is
957        presently contained in find_rho.F. This routine does not give the
958        correct density for 'POLY3', which would be a z-dependent reference
959        density.
960    o cleaned up find_rho
961      - removed obsolete 'eqn' from the parameter list.
962    o added two new verification experiments: gop and goz
963      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
964    checkpoint46g_pre
965    
966    checkpoint46f_post
967    o Enable tangent linear (forward mode) gradient checks:
968      - extended active file handling to g_... files
969      - added TANGENT_SIMULATION to theSimulationMode
970      - extended grdchk package accordingly
971    o added tangent linear setup in verification/carbon/code_ftl
972    o added adjoint setup in verification/front_relax/code_ad
973    
974    checkpoint46e_post
975    o Added new equation of state -> MDJWF
976      - EOS of McDougall et al., 2002, JAOT, submitted
977      - caveat: the equation of state is only valid for a smaller (more
978        realistic?) range of values than JMD95P/Z and UNESCO
979      - added masks to the calculation of pressure in store_pressure
980      - added more check values for density in check_eos (ini_eos.F), some of
981        the old check values are out of the range of the MDJWF-eos, so don't
982        expect perfect matches for those
983    checkpoint46e_pre
984    
985    checkpoint46d_post
986    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
987      'OCEANICP', also initialised field pressure correctly in ini_eos in the
988      case of pressure coordinates. eosType='JMD95Z' in
989      combination with buoyancyRelation='OCEANICP' now causes an error.
990    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
991      in find_alpha/beta.
992    checkpoint46d_pre
993    
994    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
995      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
996    
997    checkpoint46c_post
998    o Changes necessary for ocean in p-coordinates
999     -  Added new buoyancy relation = 'OCEANICP'
1000     -  Added new parameters = gravitySign (this used to be contained inside
1001        the factor dRdZ which I added when we first switched to R coordinates).
1002     X GM/Redi is not compatible (yet)
1003     X bottom drag and no-slip need to be debugged.
1004    checkpoint46c_pre
1005    
1006    checkpoint46b_post
1007    o Added new equation of state -> JMD95Z and JMD95P
1008      - EOS of Jackett and McDougall, 1995, JAOT
1009      - moved all EOS parameters into EOS.h
1010      - new routines ini_eos.F, store_pressure.F
1011    o Added UNESCO EOS, but not recommended because it requires
1012      in-situ temperature (see JMD95)
1013    o Modified formatting for knudsen2.f in utils/knudsen2 and added
1014      unesco.f to be used with POLY3
1015    checkpoint46b_pre
1016    
1017    checkpoint46a_post
1018    o Added (atmospheric) pressure loading
1019      - new field in FFIELDS.h, etc...
1020      - new cpp flag ATMOSPHERIC_LOADING
1021    o Changed hFacC to _hFacC in calc_phi_hyd.F
1022    o Added SHORTWAVE_HEATING to some files for consistency
1023    checkpoint46a_pre
1024    
1025    checkpoint46
1026    further merges from release1_p5
1027    o new ctrl package
1028      - adopted from ECCO environment to enable optimization
1029      - added Eliassen Palm fluxes to controls
1030    o added Eliassen Palm flux controls to gradient check package
1031    o cost package
1032      - Compatible with new ctrl package
1033      - added Eliassen Palm cost hooks
1034      - modif's of existing cost functions
1035    o Adjoint-related bug fixes in kpp:
1036      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
1037      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
1038    o autodiff package
1039      - flow directives:
1040        + new for S/R do_the_model_io
1041        + enhanced for S/R checkpoint
1042        + new gmredi.flow
1043      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
1044        disable adcommon.h/g_common.h by default.
1045      - fixed problem for adjoint of global_max
1046    o modified verification/carbon/
1047    o New setup for adjoint of global_ocean
1048    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
1049    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
1050    o incorporated hooks for sponge layer code (external_forcing.F)
1051    
1052    checkpoint45d_post
1053    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
1054    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
1055      (affects plume_on_slope "cg2d" output)
1056    o add new parameter deltaTfreesurf for free-surface time stepping
1057    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
1058    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
1059    o change phiMin in exp1 (to agree with documentation)
1060    o add new flags:
1061     - T,S forcing inside/outside Adams-Bashforth
1062     - turn off temp,salt advection and/or forcing
1063     - for each tracer, define internal flag for multiDimAdvection & A-B
1064    o monitor: change definition of KE to check conservation of Energy
1065    
1066    checkpoint45c_post
1067    o Removed f90 comments ("!")
1068    o Modified initialisations to enable exf package for MITgcm
1069      (without invoking ECCO_PACKAGE).
1070    o modifications to gradient check package (Martin Losch)
1071      - enable centered differences
1072      - modified format of standard output
1073    
1074    checkpoint45b_post
1075    o cleaned exchange calls in cg2d
1076    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
1077    o included CPP option SINGLE_LAYER_MODE in thermodynamics
1078      to configure barotropic setup (Martin Losch)
1079    o moved some initialisations within bi,bj loop in dynamics
1080      (TAF flow dependency)
1081    o in initialise_varia, moved call packages_init_variables
1082      before convective_adjustment_init
1083      (corresponding adjustment of TAF tape initialisation).
1084    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
1085    
1086    checkpoint45a_post
1087    o compute Rho over the whole domain (extend iMin,jMin indices)
1088    o specific exchange for X-slice domain (case Ny=1)
1089    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
1090    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
1091    
1092    checkpoint44h_post = checkpoint45
1093    o Fix to restore differentiability:
1094      place at which packages_init_variables is called in
1095      initialise_varia is crucial for reverse control flow.
1096    o modifications in GMRedi to enable stable adjoint
1097      (corresponding modif's in thermodynamics, dynamics)
1098    o added missing hook for sponge layer code in external_forcing
1099    o modified test cost functions
1100    o storing in gad_advection (plus removal of write(0,*)!
1101    o missing headers TR1.h added in convective_adjustment routines
1102    o errorMessageUnit set non-equal zero in eeboot
1103      (conflict on some platforms, e.g. IBM SP3)
1104    o modified carbon verif.
1105    
1106    checkpoint44h_pre
1107    o vertical grid option: allow to put the Interface at the middle between
1108      2 cell-centers ; replace delZ in pkg/kpp by drF.
1109    o GM Advective form: Tracers are advected using the residual transport (=
1110      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
1111    
1112    checkpoint44g_post
1113    o fix surface correction term in multiDimAdvection (affects plume_on_slope
1114      results) ; ifdef missing in thermodynamics.F
1115    
1116    checkpoint44f_pre,checkpoint44f_post
1117    o added PTRACERS package
1118      This allows an arbitrary number of passive tracers to be integrated
1119      forward simultaneously with the dynamicaly model.
1120      + Implemented so far:
1121        - basic forward algorithm (time-stepping, advection, diffusion, convection)
1122        - I/O and checkpointing
1123        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
1124      + Not implemented so far:
1125        - KPP
1126        - OBCS
1127      + No specific example supplied (yet) but global_ocean.90x40x15 has the
1128        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
1129        line in data.pkg.
1130      + This package is disabled by default since it increases storage.
1131    
1132    
1133    o testscript: added -cleanup option
1134    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
1135                 b) enable to filter 2D fields.
1136    
1137    checkpoint44e_pre,post
1138    o re-wrote convective adjustment to use pre-calculated weights
1139      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
1140      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
1141      Original calls to convect() still in place.
1142    
1143    chkpt44d_pre,post
1144    o added missing EXCLUDE_MONITOR flags
1145    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
1146      (incompatible typ in MIN/MAX expressions caused problems
1147      on IBM SP3)
1148    o in genmake added variable MAKEDEPEND
1149      plus resetting for case SunOS
1150    o added timer_stats.c routine for IBM SP3
1151    o removed variables in dynamics
1152    !!! I forgot to create tag chkpt44d_pre !!!
1153    !!! But chkpt44d_pre = chkpt44c_post    !!!
1154    
1155    o real fresh water flux implemented with non-linear free-surface.
1156    
1157    chkpt44c_pre,post
1158    o few fix (mask in shap_s2, EmPmR in external_field_load,
1159      USE_NATURAL_BCS in solve_for_P);
1160    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
1161    
1162    checkpoint44b_pre/_post
1163    o merge of relevant stuff from the ecco-branch:
1164      - genmake: removed $S64 overwrite for case SunOS
1165      - pkg/exf: update and corrections for field swapping and obcs
1166      - pkg/ecco: parameter lists for the_model_main, the_main_loop
1167                  harmonized between ECCO and MITgcm
1168      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
1169                      updated checkpointing_lev... lists for obcs
1170      - model/src: minor changes in forward_step, plot_field
1171                   added directive for divided adjoint in the_main_loop
1172      - pkg/mdsio: added mdsio_gl_slice
1173    
1174    o check parameters & config (chkpt44a_pre,post)
1175    o OBC and NonLin_FrSurf.
1176    
1177    checkpoint44
1178    o fix bug in mom_vi_del2uv
1179    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
1180    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
1181    o update AIM experiments (NCEP input files)
1182    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
1183    o added some stuff for AD
1184    
1185    checkpoint43
1186    o added two new advection tests
1187    o added global 4x4 degree ocean test
1188    o added test of H&S94 with free surface on cube
1189    o some final mods for gradient check, adjoint,...
1190    
1191    checkpoint42
1192      Fixed AD-related problems:
1193    o Store directives up-to-date with re-arranged Adams-Bashforth
1194      (mainly thermodynamics.F)
1195    o New store directives for multi-dim. advection schemes
1196      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
1197      * new common block and key passkey
1198      (mainly gad_advection.F)
1199    o Modified store directives for split of dynamics/thermodynamics
1200      for the case ALLOW_KPP
1201    o Cleaned argument list for timestep_tracer.F
1202    
1203    checkpoint41
1204    o re-formatted/added comments in prologues of key subroutines
1205      to work with protex
1206    
1207  checkpoint40  checkpoint40
1208  o all changes of checkpoint40pre?  o moved calc_gs, calc_gt and calc_tr1 back to model/src
1209    o added FLT (floats) package from Arne along with demo. experiment
1210    o re-arranged Adams-Bashforth scheme for tracers to allow easier
1211      implementation of forward-in-time forcing terms
1212    o more mods for non-linear free-surface including new variable
1213    o modified multi-dim method to work on cube
1214    o bug fix in KPP (from DM)
1215    
1216    checkpoint40pre9
1217    o added DST advection schemes
1218    o fix MPI bug on SGI's
1219    o modifications for non-linear free-surface
1220    o fixed conditionals for fixed flow/passive tracer only mode
1221    o added tension/strain form of stress tensor
1222    o changes to commenting of arguments for TAF/TAMC
1223    o added/updated many matlab scripts
1224    o added multi-dimensional advection method for tracers
1225      
1226    checkpoint40pre8
1227  o new package rw/  o new package rw/
1228    Added method for dumping intermediate local arrays:    Added method for dumping intermediate local arrays:
1229    mdsio_writetile - same as mdsio_writefield except works from inside    mdsio_writetile - same as mdsio_writefield except works from inside

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