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revision 1.5 by cnh, Mon Jun 15 05:13:55 1998 UTC revision 1.210 by heimbach, Thu Nov 20 02:30:16 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
7      (need info on NUMBER_OF_PTRACERS)
8    o missing PTRACERS headers in some routines
9    o default tamc.h in pkg/autodiff supposed to crash
10      to ensure proper customization
11    
12    checkpoint52a_post
13    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
14      - moved surfaceTendencyTice from pkg/seaice to main code
15      - subroutine FREEZE_SURFACE now limits only surface temperature
16        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
17        => new output.txt for global_ocean.cs32x15 & global_with_exf
18      - keep the old version of FREEZE for backward compatibility;
19        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
20      - corresponding modifs for TAF directives
21    o added surface flux output variables to TIMEAVE_STATVARS
22    o time-averaged output for pkg/ptracers
23    o fix problem with ECCO-related divided adjoint
24      snapshot file was missing some ad-variables,
25      but no warning issued by TAF
26    
27    checkpoint52a_pre
28    o some bug fixes for #undef REAL4_IS_SLOW
29    
30    checkpoint52 = ecco_c52_e35
31    o after testing adjoints of checkpoint51u_post
32    
33    checkpoint51u_post
34    o this is the post-merge tag of the ecco-branch
35      (needs another clean checkout and re-testing)
36    o various natl_box_adjoint configs and results
37      but no input fields
38    o obcs adjoint not yet merged!
39    o adding ECCO global 1x1 and 2x2 degree configs
40    o updated/extended some store directives for seaice
41    o pkg/ecco now containes ecco-specific part of cost function
42    o top level routines the_main_loop, forward_step
43      supersede those in model/src/
44      previous input data.cost now in data.ecco
45      (new namelist ecco_cost_nml)
46    o in ctrl/ cleaned some cross-dependencies and updated CPP options
47    
48    checkpoint51t_post
49    o this is the pre-merge tag of the ecco-branch
50    
51    checkpoint51s_post
52    o cleanup: removed various obsolete #define-s
53    o pkg/grdchk
54      - renamed 'ph-grd 3' to 'grad-res'
55      - merged from ecco-branch
56        (remaining bug fixes for obcs gradient checks)
57      - additional high-precision output for testreport
58        (grep for 'precision_grdchk_result')
59    
60    checkpoint51r_post
61    o cleaned up or removed CPP_OPTIONS.h files
62    o updated results for some of the tests to reflect the new
63      optfiles (-ieee: -O0 instead of -O3)
64    
65    checkpoint51q_post
66    o cd_code:
67      - moved cd_scheme.F -> cd_code_scheme.F
68      - separate read_checkpoint from cd_code_ini_vars.F
69      - separated cd_code part from write_checkpoint
70      - updated AD_SOURCE, generated .flow
71      - added CD_CODE_VARS.h to the_main_loop
72      - Moving cd_code specific store dir.s to pkg/cd_code
73    o ctrl package totally restructured
74      - pack/unpack now optional and decoupled from
75        xx_/adxx_ I/O
76      - ctrl_pack/unpack cleaned
77        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
78      - confined inclusion of AD_CONFIG.h to where necessary.
79    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
80    
81    checkpoint51p_post
82    o create initial cd_code package
83      - WARNING: the initialization of fields within packages
84        is broken because INI_FIELDS (where READ_CHECKPOINT is
85        called) is called *before* PACKAGES_INIT_VARIABLES.
86        This seems to be backwards since
87        1) its important to initially zero the entire field including
88           the "halo" region
89        2) zeroing needs to be done *before* reading pickup info
90           and the pickup call might or might not happen in any
91           particular run
92      - this needs an overhaul for R2
93    o cleanup verification/*/code/GMREDI_OPTIONS.h
94    o cleanup testreport
95    
96    checkpoint51o_post
97    o bringing AD-related verif's up to date with genmake2
98      - carbon/
99      - global_ocean.90x40x15/
100      - hs.94.1x64x5/
101      - (front_relax/ )
102    o (more) consistent directory structure for AD-related verif.'s
103    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
104    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
105    o bug fix in find_alpha.F for MDJWF:
106      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
107        change rho -> rho-rhoConst
108      - replace call find_rho to find_rhonum
109    o initialisation of rFlx extended to full array (required by TAF)
110      and shifted to thermodynamics
111    o removed PTRACERS.h in ptracers routine
112    o added surfacetendencyPtr to S/R parameter list pracers_forcing
113    o Correcting initialisations for fVerU, fVerV.
114    o helping TAF to recognize dependency on kUp for
115      fVerU, fVerV
116    o Replacing delZ by delR in pkg/ctrl/
117    checkpoint51o_pre
118    
119    o undid all of cp51 pending some cleanups and discussion
120    o added the [#include "AD_CONFIG.h"] statement to all files that need
121       it for adjoint/tl #defines
122     o re-worked the build logic in genmake2 to support AD_CONFIG.h
123     o removed tools/genmake since it no longer works
124    
125    checkpoint51n_post
126    o modifications to make FREEZE flux visible to pkg/kpp
127      - moved surfaceTendencyTice from pkg/seaice to main code
128      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
129      - subroutine FREEZE now limits only surface temperature
130        (this means new output.txt for global_ocean.90x40x15,
131         global_ocean.cs32x15, and global_with_exf)
132    o added surface flux output variables to TIMEAVE_STATVARS
133    
134    checkpoint51n_pre
135    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
136    o added [#include "AD_CONFIG.h"] to all files that use the following
137      defines:
138      - ALLOW_ADJOINT_RUN
139      - ALLOW_TANGENTLINEAR_RUN
140      - ALLOW_ECCO_OPTIMIZATION
141    
142    checkpoint51m_post
143    o incorporating changes to get TAMC/TAF working in genmake2
144      - added new TAMC/TAF targets to the Makefile
145      - various cleanups related to package handling
146      - these changes should have no impact on the forward model
147    
148    checkpoint51l_post
149    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
150     - faster algorithm for cal_addtime.F
151     - higher precision arithmetic, where needed
152     - pkg/exf *startdate variables changed from calendar date to
153       model integration time
154    
155    checkpoint51l_pre
156    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
157    o enable to apply restoring on S & T only in a latitude band.
158    o update output (external_forcing_surf modif. change truncation errors)
159       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
160    
161    checkpoint51k_post
162    o change default to: useNHMTerms=.FALSE.
163     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
164       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
165     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
166        exp1, ideal_2D_oce
167     - change data file of oceanic exp (leave the results unchanged for now)
168       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
169    o set gravitySign automatically according to the vertical coordinate used
170      (and change sign: back to "logical" value: +1 when R increases downward)
171    o added an include barrier to the default CPP_OPTIONS.h and
172      removed the #include "PACKAGES_CONFIG.h" from it
173    o fix a bug in mom_fluxform (from chk51j_post)
174    
175    checkpoint51j_post
176    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
177    o adjusted some flow directives (dynamics, thermodynamics)
178    o added cubed-sphere case to test cost function
179    o heckpoint_lev?_directives.h now include
180      pkg-specific directives, whenever those are enabled.
181    o Moving pkg-specific flow directives to corresponding pkg
182      Moving pkg-specific differentiation list to corresponding pkg
183      Moving pkg-specific checkpoint-lev storing to corresponding pkg
184      ---> conventions are
185           - pkg_ad.flow
186           - pkg_ad_diff.list
187           - pkg_ad_check_lev?_dir.h
188    
189    checkpoint51i_post
190    o merge of the branch-genmake2
191      - knowingly breaks the older genmake
192      - automatic generation of all ALLOW_${PKG_NAME} defines
193      - new testreport supersedes older testscript
194    o large number of package inclusion and header cleanups
195    checkpoint51i_pre
196    
197    o new output for adjoin of global ocean vector invariant
198    o fix for checkpoint of thermodynamic seaice and bulk_force
199    o Steph gchem various cleanups
200    
201    checkpoint 51h_pre
202    o fixed some single quotes
203    o modify gchem pkg to be more versatile
204    o modifications to clean up dic pkg
205    o add pkg/cfc
206    
207    checkpoint51g_post
208    o provide links for ARPACK and ADM*TLM
209    o start removing verification/vero/
210    o update AD-related stuff
211      (in particular some IF-statements in model/src/ routines)
212    o adding to verification/global_ocean.90x40x15/ adjoint of
213      vector invariant setup
214    
215    checkpoint51f_post
216    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
217    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
218      of tracer Green's fucntions for ocean inversion project.
219    
220    checkpoint51f_pre
221    o Added on-the-fly spatial interpolation capability
222        "USE_EXF_INTERPOLATION" to pkg/exf.
223      - This is a temporary Cartesian-grid hack until
224        the super-duper ESMF coupler becomes available.
225      - See verification/global_with_exf/README for usage example.
226      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
227        flags and modified pkg/seaice accordingly.
228    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
229        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
230        non-local transport term.
231    
232    checkpoint51e_post
233    o pkg/mom_vecinv:
234      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
235      - add time-ave diagnostic of vorticity advection.
236    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
237    o atmospheric geopotential: - include water vapor effect;
238                                - use p^kappa in p* scaling.
239    o land pkg: read initial state from files.
240    o AIM : add stratospheric drag in the upper level
241    
242    checkpoint51d_post
243    o change function ILNBLNK (=> last non-blank char.) to return zero
244      (instead of the string length) when the string. char is empty
245    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
246    o modif's to restore TAMC compatibility
247      - avoid "_d" constructs in PARAMETER declarations
248      - avoid interrupting lines by comment lines
249    o Use cluster local disks for purely local I/O
250      vs. globally visible disks needed for ctrl stuff
251      (merged from ecco-branch)
252      - new active_file_loc... and mdsio_..._loc routines
253      - affected packages: autodiff, ctrl, grdchk, mdsio
254    
255    checkpoint51c_post
256    o introducing integer flag debugLevel
257      - debLevZero: suppress all output
258      - debLevA: standard
259      - debLevB: equivalent to current debugMode=.TRUE.
260    o introducing pathname variable mdsioLocalDir for mdsio
261      that can be specified at runtime
262      (relevant for cluster I/O to local disk)
263    `
264    >>>checkpoint51b_post
265    adjoint of ptracers
266    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
267    o extended state in checkpoint_lev?, etc.
268    o alternative ctrl/cost with tr1 or ptracer
269    o new comlev1_bibj_ptracers
270    o new ptracers.flow
271    o made ptracers_forcing same as external_forcing_s
272    o added verification for adjoint with ptracers
273      - adm. grdchk fail so far
274      - tlm. grdchk OK
275      - checked tapelev/comlev recomputations: OK
276    <<<checkpoint51b_pre
277    
278    checkpoint51a_post
279    o added code for biogeochemistry package
280      - new pkgs: dic, gchem
281      - new subroutine in ptracers
282    o modify code for biogeo packages
283      - in model/src and pkg/ptracers
284    
285    checkpoint51
286    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
287      - autodiff, ctrl, exf, grdchk, seaice
288      kept separate packages
289      - cost, ecco, obcs
290    o updating verification/internal_wave, verification/lab_sea
291      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
292    
293    checkpoint50i_post
294    o Preparing next differentiable checkpoint and sync
295      of MAIN vs. ecco-branch
296      - 1st step: this one is differentiable
297      - 2nd step: next(! not this) checkpoint will have updated packages
298                  from ecco-branch)
299    
300    checkpoint50h_post
301    o new package "land": provide surface BC for AIM.
302    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
303    o AIM: use true log-P extrapolation for near surface temp (= as in
304        F.Molteni paper) ; update aim.5l_cs output.
305    o New variable in PARM03 for more flexible pickups
306    o somewhat cleaned package initialisation sequence for
307      ctrl/ cost/ ecco/ in packages_... routines
308    
309    checkpoint50g_post
310    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
311      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
312      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
313        made the default because of faster convergence than ADI
314    
315    checkpoint50f_post
316    o exf totally restructured
317      - replaced all exf_set_ routines by one generic exf_set_gen.F
318        and made sure it's still differentiable
319      - split exf_getffields.F into new exf_bulkformulae.F
320      - exf_inscal_/exf_outscal_ suffixes consistent with field names
321      - updated adjoint/makefile and relevant verif. accordingly
322    
323    checkpoint50f_pre
324     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
325          + change Evap over land. (update aim.5l_cs output)
326     o added missing .cvsignores and made uniform across expts
327     o changed configuration of tidal_basin_2d expt
328     o added pkg/debug functions for tracing code in fatal crashes
329     o tidied pkg/monitor to use MONITOR_OPTIONS.h
330     o new fn in pkg/monitor to stop model if solution grows too big
331     o removed lots of single quotes from comments
332    
333    checkpoint50e_post
334    o make KPP work with PTRACERS
335     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
336       nearly a copy of kpp_transport_s
337     - there is no analogue to SurfaceTendencyS, so I have to use
338       gPtr(of the surface layer) instead
339    o add a new platform SunFire+mpi (SunFire 15000) to genmake
340    checkpoint50e_pre
341    
342    checkpoint50d_post
343    o change kpp output from multiple-record state files to single-record state
344      files analogous to write_state.F
345    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
346      analogous to the cg2d-related output.
347    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
348      so that writing to internal file fn (with length 512) fails.
349    checkpoint50d_pre
350    
351    checkpoint50c_post
352    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
353    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
354    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
355    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
356    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
357    
358    checkpoint50c_pre
359    Merging from release1_p13:
360    o bug fix for pkg/seaice dynamic solver
361    o Added SEAICE_initialHEFF to pkg/seaice
362    
363    checkpoint50b_post
364    o store u*,v* in gU,V instead of in guNm1,gvNm1
365    o in order to put the momForcing out of the Adams-Bashforth:
366      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
367      to timestep.F
368    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
369    o re-generate output for highly sensitive test-exp:
370       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
371    
372    checkpoint50b_pre
373    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
374    o corrected CPP option mismatch in exf_Bulk... functions for case
375      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
376    
377    checkpoint50a_post
378    o Bug fix for merging between c50 and KPP.
379      ikey was passed from thermodynamics to kpp_calc via
380      common block rather than being recomputed in kpp_calc,
381      in contradiction with new key itdkey.
382      New key ikppkey created, and tamc.h headers updated.
383    
384    checkpoint50
385    - 2nd step of merge with ecco-branch:
386      merge changes in ecco-branch back into main trunk
387    - bug fix in find_alpha
388    - more storing in gmredi_calc_tensor.F, kpp_routines.F
389    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
390    - merged some sliced AD support routines
391    
392    checkpoint49
393    merged from ecco-branch:
394    o exf:
395      - Enable initialisation of forcing fields to constant
396        (runtime) values.
397      - in exf_getffields.F
398        Reduce i-/j-loop to interior domain, discarding overlaps.
399        That also fixes wrong TAF-key computations for key_1, key_2
400        with bulf formulae.
401      - exf_init.F modify #ifdef for exf_init_evap
402      - exf_getffieldrec.F, ctrl_getrec.F
403        The following INT-usages are not safe:
404          fldsecs  = int(fldsecs/fldperiod)*fldperiod
405          fldcount = int(fldsecs/fldperiod) + 1
406        and were modified.
407    o autodiff: checkpoint_lev...
408      - updated storing for bulk formulae (some arrays were missing)
409      - added state for seaice package
410      - synchronized with main branch
411    o DIVA:
412      Modif.s in
413      - the_main_loop.F
414      - the_model_main.F
415      and added cost_final_restore.F cost_final_store.F
416      o With these changes, it is possible to fully separate
417        the first forward run to compute the cost function (mdthe_main_loop)
418        and adjoint runs over individual DIVA intervals (adthe_main_loop)
419        into separate model executions.
420        This enables better tuning of DIVA to given queue sizes.
421      o Loss of cost function value in consecutive DIVA runs is
422        fixed by storing to 'costfinal' file.
423      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
424        beginning/end of adjoint integration is accounted for.
425      The current changes apply to TAF-1.4.26.
426      TAF has one remaining bug, requiring one manual change
427      (see MITgcm manual).
428    o cal: synchronized between MAIN and ecco-branch
429    
430    checkpoint48i_post
431    o Changes to restore differentiability of code w.r.t. previous tag
432      (mostly adding new routines to make list and replacing
433      pressure by totPhiHyd).
434    o Updated and merged grdchk package
435      - has both ADM and TLM checks
436      - works for single- and multi-proc.
437      - output cleaned
438      - worked successfully for parallel DIVA
439    o genmake:
440      - Adding -platform=SP4
441      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
442    o Modif. for DIVA:
443      ctrl_unpack should not be called in intermediate DIVA interval.
444      (similar thing would apply for active files such as
445      tbar, sbar, psbar, which should not be reinitialised;
446      only relevant for ecco-branch)
447    
448    checkpoint48h_post
449    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
450    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
451    o Added SEAICE_initialHEFF to pkg/seaice
452    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
453    
454    checkpoint48g_post
455    --- EOS:
456    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
457      store total Potential in totPhyHyd for diagnostics & EOS.
458    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
459    --- Pressure/geopotential gradient:
460    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
461    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
462      ( changes results of global_ocean_pressure )
463    o NLFS + z-coord.: add eta*Rho' contribution.
464    o accurate phiHyd when using interface-W at the middle between 2 centers
465     ( changes results of ideal_2D_oce )
466    o includes r* 2nd term in potential gradient.
467    
468    checkpoint48f_post
469    Merging from release1_p12:
470    o Modifications for using pkg/exf with pkg/seaice
471      - improved description of the various forcing configurations
472      - added basic radiation bulk formulae to pkg/exf
473      - units/sign fix for evap computation in exf_getffields.F
474      - updated verification/global_with_exf/results/output.txt
475    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
476      (SBO) core products, including oceanic mass, center-of-mass,
477      angular, and bottom pressure (see pkg/sbo/README.sbo).
478    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
479      to avoid negative values in shallow regions.
480      - updated verification/natl_box/results/output.txt
481      - updated verification/lab_sea/results/output.txt
482    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
483    o Added useSingleCpuIO option (see PARAMS.h).
484    o Updated useSingleCpuIO option in mdsio_writefield.F to
485      work with multi-field files, e.g., for single-file pickup.
486    o pkg/seaice:
487      - bug fix in growth.F: QNET for no shortwave case
488      - added HeffFile for specifying initial sea-ice thickness
489      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
490    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
491      kpp_transport_t.F, forward_step.F, and the_main_loop.F
492    o pkg/seaice:
493      - adjoint-friendly modifications
494      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
495    
496    checkpoint48e_post
497    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
498    o dynamics: change definition of computational domain & adapt mom_fluxform
499      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
500    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
501        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
502        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
503        global_ocean.90x40x15 global_with_exf global_ocean_pressure
504        inverted_barometer solid-body.cs-32x32x1
505      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
506    
507    checkpoint48d_post
508    o in preparation for r*:
509     a) use pre-computed gradient of hydrostatic potential:
510        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
511     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
512        => affects results of glob_oce_pressure (different truncation error)  
513      update output.txt of ideal_2D_oce & global_ocean_pressure
514    
515    checkpoint48d_pre
516    o in preparation for r*:
517      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
518      pass the 2 comp. of the grad. as arguments to momentum S/R.
519      but for the moment, only used if it does not change the results.
520    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
521    
522    checkpoint48c_post
523    Modifications in treatment of initial flux forcing controls
524    to avoid extra storing of flux fields.
525    
526    checkpoint48c_pre
527    o Added tidal_basin_2d experiment (currently 1D!)
528    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
529    
530    checkpoint48b_post
531    o r* coordinate added in #ifdef NONLIN_FRSURF block.
532     (modification to pressure gradient not yet implemented)
533    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
534      (for U & V) that are used for vertical advection of momentum.
535    
536    checkpoint48a_post
537    o In preparation for r*, use temp. array to compute vertical transport
538       in flux-form momentum pkg. => change results of few test-exp.
539      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
540                        lab_sea, natl_box & plume_on_slope
541    
542    checkpoint48
543    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
544    
545    checkpoint47j_post
546    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
547    o moved adexch from forward_step to addummy_in_stepping
548    o added exch in ctrl_map_...
549    o aveFreq.=0. at end of cost_final to avoid overwrite in
550      reverse checkpointing loop
551    o Yet more changes in gmredi:
552      * adgmredi_calc_tensor
553        avoiding all recomputation of gmredi_slope_limit
554      * adgmredi_x/y/rtransport
555        added flag for excessive storing to avoid recomp. of
556        u/v/rtans, dTdx/y/z
557        -> this is not really necessary and very memory-consuming
558      * adgmredi_slope_psi:
559        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
560      * gmredi_slope_limit
561        re-activated full calculation of taperfct for case 'ac02'
562    o updating verification/ adjoints of carbon, global_ocean.90x40x15
563    
564    checkpoint47i_post
565    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
566    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
567      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
568    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
569    o gmredi: fix few bugs.
570    
571    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
572    This will be a good checkpoint to plug into the ecco-branch.
573    o few modif.'s to get latest version adjointed
574      (mainly kick out code in ini_linear_phisurf)
575    o modif's to run adjoint with exactConserv
576    o case GM_BOLUS_ADVEC should be cleaned
577      S/R gmredi_slope_psi should be cleaned
578    o verification/carbon now has exactConserv=.TRUE.
579    
580    checkpoint47g_post
581    o time-average AIM output: becomes independent from statvars time-average
582      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
583    o After TAF bug fix:
584      Tested adjoint of gmredi package.
585      Tests were done with checkpoint47 rather than with latest
586      checkpoint47f_post since the latter is broken for the adjoint
587      verification/carbon/ contains both ADM and TLM gradient checks.
588    Here they are, before they get changed/lost/stolen.
589    Mostly modif.'s to fix numerical sensitivities.
590    Gradient checks OK for
591    - GM_taper_scheme:
592      * clipping
593      * ac02
594      * linear
595      * glw91
596      * dm95
597      * ldd97
598    - GMREDI_OPTIONS:
599      * GM_VISBECK_VARIABLE_K
600      * GM_NON_UNITY_DIAGONAL
601      * GM_EXTRA_DIAGONAL
602      * GM_BOLUS_ADVEC
603    in conjunction with data.gmredi parameters to be checked in
604    in a few minutes under verification/carbon/code/
605    
606    checkpoint47f_post
607    Merging from release1_p10:
608    o modifications for using pkg/exf with pkg/seaice
609      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
610        and SEAICE_EXTERNAL_FLUXES
611      - pkg/exf CPP options EXF_READ_EVAP and
612        EXF_NO_BULK_COMPUTATIONS
613      - usage examples are Experiments 8 and 9 in
614        verification/lab_sea/README
615      - verification/lab_sea default experiment now uses
616        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
617    
618    checkpoint47e_post
619    o created a tag prior to creating a branch
620    
621    checkpoint47d_post
622    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
623      at the bottom boundary had an erroneous half slip boundary condition
624    o added bottom drag and no slip boundary condition capabilities to
625      oceanic pressure coordinates code
626    o added new verification experiment global_ocean_pressure, this experiment is
627      also described in the tutorial section of the manual
628    checkpoint47d_pre
629    
630    checkpoint47c_post
631    o Added a verification experiment for a global cubed-sphere ocean run
632      -  verification/global_ocean.cubed32x32x30
633      -  uses pkg/therm_seaice and pkg/bulk_forcing
634    
635    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
636    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
637      when using P-coordinate; only implemented for atmospheric config.
638    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
639      NOTES: requires option NONLIN_FRSURF to be "#define".
640    o update advect_xz/results/output.txt (left from checkpoint44g_post)
641    
642    checkpoint47b_post
643    Merging from release1_p9:
644    o pkg/seaice
645      - removed GOTO's and added taf directives
646      - double precision constants to reduce the g77 (Linux)
647        to F77 (SGI) differences reported in release1_p8
648    o tools/genmake
649      - added SGI options
650    o verification/testscript
651      - updated to that of checkpoint47a_post
652    o verification/global_ocean.90x40x15/input/eedata
653      - modified for SGI f77 compatibility
654    o verification/lab_sea
655      - added description of sea-ice model
656      - added missing matlab routines
657      - added test of thermodynamics parallelization
658    
659    checkpoint47a_post
660    o new pkg: aim_v23
661     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
662       for now, keep the same surface forcing as before.
663     - Part-Cell implemented into AIM; check that Heat & Water are conserved
664     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
665     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
666    o add diagnostic of surface correction term in monitor output
667    
668    o bulk_force and therm_seaice
669    - Two packages:  bulk_force (Bulk forcing)
670      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
671    - Earlier integration from Stephaine Dutkiewicz
672      and Patrick Heimbach.
673    - Two ifdef statements for compile time,
674       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
675    
676    checkpoint47
677    differentiable version of checkpoint46n_post
678    o bug fix in quasihydrostaticterms
679    o * "clean" adjoint code (in terms of extensive recomputations)
680        can now be obtained for all GMREDI options (i.e. for
681        - GM_VISBECK_VARIABLE_K
682        - GM_NON_UNITY_DIAGONAL
683        - GM_EXTRA_DIAGONAL
684        - GM_BOLUS_ADVEC )
685      * However, wrong gradient check problem remains unsolved.
686      * New CPP options have been introduced for different
687        tapering schemes
688    o external_fields_load now part of differentiation list
689    o pressure needs multiple storing;
690      would be nice to have store_pressure at beginning or
691      end of forward_step, e.g. by having phiHyd global (5-dim.)
692      (NB: pressure is needed for certain cases in find_rho,
693      which is also invoked through convective_adjustment).
694    o recomputations in find_rho for cases
695     'JMD95'/'UNESCO' or 'MDJWF' are OK.
696    o #define ATMOSPHERIC_LOADING should be differentiable
697    o ini_forcing shifted to begining of initialise_varia
698    o Incorporating QNVS line search routines into MITgcm
699      (this is separate code, and therefore not under pkg)
700      lsopt/, optim/
701    o Updated verification/carbon/
702      - #define GM_VISBECK_VARIABLE_K
703      - GM_taper_scheme    = 'ldd97'    
704    
705    checkpoint46n_post
706    Merging from release1_p8:
707    o verification/natl_box:
708      updating new external_fields_load routine
709    o New package: pkg/seaice
710      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
711      The sea-ice code is based on Hibler (1979-1980).
712      Two sea-ice dynamic solvers, ADI and LSR, are included.
713      In addition to computing prognostic sea-ice variables and diagnosing
714      the forcing/external data fields that drive the ocean model,
715      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
716      The implied surface heat flux is then stored in variable
717      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
718      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
719      non-local transport term.  Because this call precedes model
720      thermodynamics, temperature under sea-ice may not be "exactly" at
721      the freezing point by the time theta is dumped or time-averaged.
722      N.B.: fairly large differences in accuracy occur across
723            different platforms/compilers; comparison between
724            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
725            generated output gives:
726       T           S           U           V
727      C D M    c        m  s        m  s        m  s        m  s
728      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
729      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
730      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
731    
732      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
733    o GAD:
734      - generated new common blocks to account for call of
735        same gad routines with differing traceridentities
736        (needed to modify tracerIdentity indices in GAD.h)
737      - generated separate common blocks for case useCubedSphereExchange
738        (Department of Futurology)
739      - parameter lists to gmredi_?transport: added tracerIdentity
740      - added new key indices to tamc.h
741    o external_fields_load:
742      - added this routine to TAF list
743      - needed to make some common blocks global and additional storing
744        along the same lines as exf package (checkpoint_lev?_directives.h)
745    o exf:
746      updated external forcing package
747      - bug fixes carried over from ecco-branch
748        (missing OBCS_OPTIONS.h in two routines)
749      - enable easy to use "no forcing".
750      - added exf I/O for atmospheric loading
751      - added exf I/O for runoff data
752      - transfered scaling between exf <-> MITgcm to exf namelist
753    o Adding new verification experiment global_with_exf.
754      This verification experiment is almost identical to the
755      global_ocean.90x40x15 experiment, except that it uses
756      the exf (and cal) package instead of the
757      external_fields_load routine (cf README file).
758    
759    checkpoint46m_post
760    o modified testscript to return -- when there are no lines of "%MON" output
761    o added new flag "quasiHydrostatic" for QH mode
762      and new routine quasihydrostaticterms()
763    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
764      New routine: mom_u_coriolis_nh()
765    o fixed sign of non-hydrostatic metric terms in u and v equations.
766      Depend on correct sign of gravitySign.
767    o added work.pc* to .cvsignore in aim directories using ifc
768    o introduced flag for controllin non-hydrostatic metric terms
769    o removed gravitySign from PARM04
770    o switched to g77/ifc from pgf77 in aim experiments
771    
772    checkpoint46l_post
773    o made convective adjustment work with pressure coordinates:
774     - changed the direction of k-loop in convective_adjustment.F for the
775       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
776     - adjusted the reference pressure k-index in convective_adjustment.F
777     - adjusted the convection condition in convect.F (in analogy to
778       calc_ivdc.F)
779     - convective_adjustment no longer computes anything on the halos
780     - removed the warnings about negative salinity from find_rho.F and
781       find_alpha.F; instead the new routine look_for_neg_salinity, called
782       at the beginning of find_rho, find_alpha, and find_beta, does a
783       check of the entire slice, if CPP-option
784       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
785    checkpoint46l_pre
786    
787    checkpoint46k_post
788    o fixed the verification/global_ocean.90x40x15 experiment:
789     - new bathymetry (the world according to A., JMC, and M.)
790     - new initial fields and forcing fields (*.bin files)
791     - new POLY3.COEFFS (for the next release one should switch to a full
792       equation of state: JMD95P or MDJWF)
793     - fixed several errors and redundancies in the data file
794     - experiment uses looped cells
795     - added matlab directory with diagnostic scripts for plotting of output
796    
797    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
798     - read AIM physics parameters from a file (data.aimphys)
799     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
800    
801    checkpoint46j_post
802    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
803    o move wVel computation at the end of the time step, in S/R integr_continuity
804    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
805    o update timeave pkg for wVel diagnostic.
806    checkpoint46j_pre
807    
808    checkpoint46i_post
809    o Clean up AIM package (and keep the results unchanged):
810      include CPP_OPTION and use IMPLICT NONE in all routines ;
811      declare all the variables _RL ; use _d 0 for all numerical constants.
812      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
813    
814    checkpoint46h_post
815    o cleaned up the use of rhoNil and rhoConst.
816      - rhoNil should only appear in the LINEAR equation of state, everywhere
817        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
818        and the dynamical equations are all divided by rhoConst
819    o introduced new parameter rhoConstFresh, a reference density of fresh
820      water, to remove the fresh water flux's dependence on rhoNil. The default
821      value is 999.8 kg/m^3
822    o cleanup up external_forcing.F and external_forcing_surf.F
823      - can now be used by both OCEANIC and OCEANICP
824    checkpoint46h_pre
825    
826     Added code to convert surface volume flux (fresh water) into
827     a mass flux when using P coordinates in the ocean (OCEANICP).
828     Note: It assumes you have set rho0=rhoConst=density of fresh water.
829    
830    checkpoint46g_post
831    o Include a new diagnostic variable phiHydLow for the ocean model
832      - in z-coordinates, it is the bottom pressure anomaly
833      - in p-coordinates, it is the sea surface elevation
834      - in both cases, these variable have global drift, reflecting the mass
835        drift in z-coordinates and the volume drift in p-coordinates
836      - included time averaging for phiHydLow, be aware of the drift!
837    o depth-dependent computation of Bo_surf for pressure coordinates
838      in the ocean (buoyancyRelation='OCEANICP')
839      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
840        Theta, Salinity, and Pressure in the parameter list. This routine is
841        presently contained in find_rho.F. This routine does not give the
842        correct density for 'POLY3', which would be a z-dependent reference
843        density.
844    o cleaned up find_rho
845      - removed obsolete 'eqn' from the parameter list.
846    o added two new verification experiments: gop and goz
847      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
848    checkpoint46g_pre
849    
850    checkpoint46f_post
851    o Enable tangent linear (forward mode) gradient checks:
852      - extended active file handling to g_... files
853      - added TANGENT_SIMULATION to theSimulationMode
854      - extended grdchk package accordingly
855    o added tangent linear setup in verification/carbon/code_ftl
856    o added adjoint setup in verification/front_relax/code_ad
857    
858    checkpoint46e_post
859    o Added new equation of state -> MDJWF
860      - EOS of McDougall et al., 2002, JAOT, submitted
861      - caveat: the equation of state is only valid for a smaller (more
862        realistic?) range of values than JMD95P/Z and UNESCO
863      - added masks to the calculation of pressure in store_pressure
864      - added more check values for density in check_eos (ini_eos.F), some of
865        the old check values are out of the range of the MDJWF-eos, so don't
866        expect perfect matches for those
867    checkpoint46e_pre
868    
869    checkpoint46d_post
870    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
871      'OCEANICP', also initialised field pressure correctly in ini_eos in the
872      case of pressure coordinates. eosType='JMD95Z' in
873      combination with buoyancyRelation='OCEANICP' now causes an error.
874    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
875      in find_alpha/beta.
876    checkpoint46d_pre
877    
878    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
879      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
880    
881    checkpoint46c_post
882    o Changes necessary for ocean in p-coordinates
883     -  Added new buoyancy relation = 'OCEANICP'
884     -  Added new parameters = gravitySign (this used to be contained inside
885        the factor dRdZ which I added when we first switched to R coordinates).
886     X GM/Redi is not compatible (yet)
887     X bottom drag and no-slip need to be debugged.
888    checkpoint46c_pre
889    
890    checkpoint46b_post
891    o Added new equation of state -> JMD95Z and JMD95P
892      - EOS of Jackett and McDougall, 1995, JAOT
893      - moved all EOS parameters into EOS.h
894      - new routines ini_eos.F, store_pressure.F
895    o Added UNESCO EOS, but not recommended because it requires
896      in-situ temperature (see JMD95)
897    o Modified formatting for knudsen2.f in utils/knudsen2 and added
898      unesco.f to be used with POLY3
899    checkpoint46b_pre
900    
901    checkpoint46a_post
902    o Added (atmospheric) pressure loading
903      - new field in FFIELDS.h, etc...
904      - new cpp flag ATMOSPHERIC_LOADING
905    o Changed hFacC to _hFacC in calc_phi_hyd.F
906    o Added SHORTWAVE_HEATING to some files for consistency
907    checkpoint46a_pre
908    
909    checkpoint46
910    further merges from release1_p5
911    o new ctrl package
912      - adopted from ECCO environment to enable optimization
913      - added Eliassen Palm fluxes to controls
914    o added Eliassen Palm flux controls to gradient check package
915    o cost package
916      - Compatible with new ctrl package
917      - added Eliassen Palm cost hooks
918      - modif's of existing cost functions
919    o Adjoint-related bug fixes in kpp:
920      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
921      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
922    o autodiff package
923      - flow directives:
924        + new for S/R do_the_model_io
925        + enhanced for S/R checkpoint
926        + new gmredi.flow
927      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
928        disable adcommon.h/g_common.h by default.
929      - fixed problem for adjoint of global_max
930    o modified verification/carbon/
931    o New setup for adjoint of global_ocean
932    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
933    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
934    o incorporated hooks for sponge layer code (external_forcing.F)
935    
936    checkpoint45d_post
937    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
938    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
939      (affects plume_on_slope "cg2d" output)
940    o add new parameter deltaTfreesurf for free-surface time stepping
941    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
942    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
943    o change phiMin in exp1 (to agree with documentation)
944    o add new flags:
945     - T,S forcing inside/outside Adams-Bashforth
946     - turn off temp,salt advection and/or forcing
947     - for each tracer, define internal flag for multiDimAdvection & A-B
948    o monitor: change definition of KE to check conservation of Energy
949    
950    checkpoint45c_post
951    o Removed f90 comments ("!")
952    o Modified initialisations to enable exf package for MITgcm
953      (without invoking ECCO_PACKAGE).
954    o modifications to gradient check package (Martin Losch)
955      - enable centered differences
956      - modified format of standard output
957    
958    checkpoint45b_post
959    o cleaned exchange calls in cg2d
960    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
961    o included CPP option SINGLE_LAYER_MODE in thermodynamics
962      to configure barotropic setup (Martin Losch)
963    o moved some initialisations within bi,bj loop in dynamics
964      (TAF flow dependency)
965    o in initialise_varia, moved call packages_init_variables
966      before convective_adjustment_init
967      (corresponding adjustment of TAF tape initialisation).
968    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
969    
970    checkpoint45a_post
971    o compute Rho over the whole domain (extend iMin,jMin indices)
972    o specific exchange for X-slice domain (case Ny=1)
973    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
974    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
975    
976    checkpoint44h_post = checkpoint45
977    o Fix to restore differentiability:
978      place at which packages_init_variables is called in
979      initialise_varia is crucial for reverse control flow.
980    o modifications in GMRedi to enable stable adjoint
981      (corresponding modif's in thermodynamics, dynamics)
982    o added missing hook for sponge layer code in external_forcing
983    o modified test cost functions
984    o storing in gad_advection (plus removal of write(0,*)!
985    o missing headers TR1.h added in convective_adjustment routines
986    o errorMessageUnit set non-equal zero in eeboot
987      (conflict on some platforms, e.g. IBM SP3)
988    o modified carbon verif.
989    
990    checkpoint44h_pre
991    o vertical grid option: allow to put the Interface at the middle between
992      2 cell-centers ; replace delZ in pkg/kpp by drF.
993    o GM Advective form: Tracers are advected using the residual transport (=
994      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
995    
996    checkpoint44g_post
997    o fix surface correction term in multiDimAdvection (affects plume_on_slope
998      results) ; ifdef missing in thermodynamics.F
999    
1000    checkpoint44f_pre,checkpoint44f_post
1001    o added PTRACERS package
1002      This allows an arbitrary number of passive tracers to be integrated
1003      forward simultaneously with the dynamicaly model.
1004      + Implemented so far:
1005        - basic forward algorithm (time-stepping, advection, diffusion, convection)
1006        - I/O and checkpointing
1007        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
1008      + Not implemented so far:
1009        - KPP
1010        - OBCS
1011      + No specific example supplied (yet) but global_ocean.90x40x15 has the
1012        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
1013        line in data.pkg.
1014      + This package is disabled by default since it increases storage.
1015    
1016    
1017    o testscript: added -cleanup option
1018    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
1019                 b) enable to filter 2D fields.
1020    
1021    checkpoint44e_pre,post
1022    o re-wrote convective adjustment to use pre-calculated weights
1023      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
1024      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
1025      Original calls to convect() still in place.
1026    
1027    chkpt44d_pre,post
1028    o added missing EXCLUDE_MONITOR flags
1029    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
1030      (incompatible typ in MIN/MAX expressions caused problems
1031      on IBM SP3)
1032    o in genmake added variable MAKEDEPEND
1033      plus resetting for case SunOS
1034    o added timer_stats.c routine for IBM SP3
1035    o removed variables in dynamics
1036    !!! I forgot to create tag chkpt44d_pre !!!
1037    !!! But chkpt44d_pre = chkpt44c_post    !!!
1038    
1039    o real fresh water flux implemented with non-linear free-surface.
1040    
1041    chkpt44c_pre,post
1042    o few fix (mask in shap_s2, EmPmR in external_field_load,
1043      USE_NATURAL_BCS in solve_for_P);
1044    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
1045    
1046    checkpoint44b_pre/_post
1047    o merge of relevant stuff from the ecco-branch:
1048      - genmake: removed $S64 overwrite for case SunOS
1049      - pkg/exf: update and corrections for field swapping and obcs
1050      - pkg/ecco: parameter lists for the_model_main, the_main_loop
1051                  harmonized between ECCO and MITgcm
1052      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
1053                      updated checkpointing_lev... lists for obcs
1054      - model/src: minor changes in forward_step, plot_field
1055                   added directive for divided adjoint in the_main_loop
1056      - pkg/mdsio: added mdsio_gl_slice
1057    
1058    o check parameters & config (chkpt44a_pre,post)
1059    o OBC and NonLin_FrSurf.
1060    
1061    checkpoint44
1062    o fix bug in mom_vi_del2uv
1063    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
1064    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
1065    o update AIM experiments (NCEP input files)
1066    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
1067    o added some stuff for AD
1068    
1069    checkpoint43
1070    o added two new advection tests
1071    o added global 4x4 degree ocean test
1072    o added test of H&S94 with free surface on cube
1073    o some final mods for gradient check, adjoint,...
1074    
1075    checkpoint42
1076      Fixed AD-related problems:
1077    o Store directives up-to-date with re-arranged Adams-Bashforth
1078      (mainly thermodynamics.F)
1079    o New store directives for multi-dim. advection schemes
1080      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
1081      * new common block and key passkey
1082      (mainly gad_advection.F)
1083    o Modified store directives for split of dynamics/thermodynamics
1084      for the case ALLOW_KPP
1085    o Cleaned argument list for timestep_tracer.F
1086    
1087    checkpoint41
1088    o re-formatted/added comments in prologues of key subroutines
1089      to work with protex
1090    
1091    checkpoint40
1092    o moved calc_gs, calc_gt and calc_tr1 back to model/src
1093    o added FLT (floats) package from Arne along with demo. experiment
1094    o re-arranged Adams-Bashforth scheme for tracers to allow easier
1095      implementation of forward-in-time forcing terms
1096    o more mods for non-linear free-surface including new variable
1097    o modified multi-dim method to work on cube
1098    o bug fix in KPP (from DM)
1099    
1100    checkpoint40pre9
1101    o added DST advection schemes
1102    o fix MPI bug on SGI's
1103    o modifications for non-linear free-surface
1104    o fixed conditionals for fixed flow/passive tracer only mode
1105    o added tension/strain form of stress tensor
1106    o changes to commenting of arguments for TAF/TAMC
1107    o added/updated many matlab scripts
1108    o added multi-dimensional advection method for tracers
1109      
1110    checkpoint40pre8
1111    o new package rw/
1112      Added method for dumping intermediate local arrays:
1113      mdsio_writetile - same as mdsio_writefield except works from inside
1114                        bi,bj loop
1115      mdsio_writelocal - same as mdsio_writetile except works for local
1116                         arrays
1117      write_local_r? - higher-level wrapper for mdsio_writelocal
1118      Controlled by diagFreq. Defaults to zero (ie. no dumps)
1119      Example given at end of mom_vecinv.F that dumps some local arrays.
1120    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
1121      control flux-form versus vector invariant code.
1122      Switch is runtime flag vectorInvariantMomentum (defaults to false)
1123      or genmake -DISABLE ...
1124    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
1125      (additional storing is now needed for case vecinv;
1126      currently nothing implemented to switch this storing off
1127      in case fluxform is used since no CPP flag available).
1128    
1129    checkpoint40pre7
1130    o bug fix in dynamics.F
1131      calc_viscosity called before k=1,Nr loop.
1132    o added some #ifdef's ALLOW_PASSIVE_TRACER
1133    o cleaned initialisations in ctrl_map_ini
1134      related to TAF
1135    
1136    checkpoint40pre6
1137    o split dynamics into thermodynamics & dynamics
1138    o corresponding split of calc_diffusivity into
1139      calc_diffusivity, calc_viscosity
1140      (kpp_calc_diff, kpp_calc_visc).
1141    o Added diffkr, kapgm to control variables
1142    o bug fix in gmredi_slope_limit for ldd97
1143    
1144    checkpoint40pre5
1145    o proper initialization of Adams-Bashforth time stepping
1146      + uses forward step for very first step of model (iter=0)
1147    o re-generated *all* output since almost all output is modified by this
1148      change (sorry but we've been putting this one off for about 2 years)
1149      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
1150        *not* regenerated since they are already out of date and I don't
1151        want to create the impression that they are suddenly working.
1152    o removed KAP stuff for DEC's
1153    o modified/added many .cvsignore files in */code and */input
1154    o added new expt "solid-body.cs-32x32x1"
1155      + this uses an alternative form of ini_curvilinear_grid.F which
1156        is not necessarily any better than the current one...
1157    
1158    checkpoint40pre4
1159    o added re-initialisations of utrans,vtrans,rtrans in
1160      calc_common_factors which are crucial for TAF.
1161    o extended iMin,jMin range for calc_common_factors,
1162      calc_diffusivity
1163    o added option ALLOW_PASSIVE_TRACER
1164    o a few minor updates and fixes
1165    
1166    checkpoint40pre3
1167    o created calc_gtr1.F for gad package
1168    o split the_main_loop and re-introduced forward_step
1169    o some recomputations of nIter0 for TAMC
1170    
1171    checkpoint40pre2
1172    o Updated to latest branch of AJA, JMC
1173    o Added gradient check package
1174    o Added routines for passive tracer handling
1175    o Added carbon sequestration sensitivity experiment
1176    
1177    checkpoint39
1178     o Modifications and fixes to support TAMC
1179       (mainly missing or wrong directives)
1180     o Corrected common blocks when fooling TAMC to produce adjoint I/O
1181       in addummy_in_stepping
1182     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
1183     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
1184     o Included following packages:
1185       cal: calendar
1186       exf: external forcing
1187       ecco: essential routines to control use of cal, exf
1188             (NB: this is not the full ECCO environment)
1189     o disabled some packages by default in genmake
1190    
1191    checkpoint38
1192     o see notes_c37_adj.txt
1193     o corrected wrong layer index in external_forcing_t
1194     o replaced the_main_loop/forward_step by the_main_loop
1195     o removed forceoutput from write_state
1196       (replaced criteria for initial/final state)
1197     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
1198    
1199    checkpoint37
1200     o mdsio.F routine split and packaged in pkg/mdsio
1201       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
1202        used unless genmake -disable=mdsio)
1203     o allow a more precise surface-geopotential gradient for the atmosphere
1204       taking into account the change in space of Alpha (=1/rho) at the surface.
1205     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
1206       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
1207     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
1208       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
1209       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
1210     o Time-Average diagnostics defined as a pseudo package "timeave".
1211     o pickup files : old pickup (before c35) did not work with new code (c35
1212       and after) unless activating 2 commented lines in initialise-varia.
1213     o Non-Hydrostatic pickup file Pb fixed.
1214     o bug with Rigid-lid version (since c35) fixed.  
1215    
1216    checkpoint36
1217     o implement Crank-Nickelson barotropic time-stepping
1218     o recover Time-Average diagnostics
1219     o fix Pb in checkpoint (PR#19)
1220     o AIM become a standard package ; clean unused CPP_kees
1221    
1222    checkpoint35
1223     o subtantial rewrite of dynamics.f
1224     o allows staggered time-stepping
1225     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
1226     o added bottom drag (linear + quadratic)
1227    
1228    checkpoint34
1229     o Modified exchange routines for correct reverse simulation.
1230     o Added verification output to comply with bug fix in impldiff.F
1231       as of c33 (exp2, natl_box).
1232     o Corrected store directives in dynamics.F
1233     o Corrected array boundaries in impldiff.F
1234     o Corrected array dimensions in gmredi.
1235       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
1236     o Added routine GLOBAL_SUM_INT to global_sum.F
1237     o Added mdsio_gl.F for ECCO purposes.
1238    
1239    checkpoint33
1240     o Fixed bug in lower BC in impldiff.F
1241     o Fixed confusion about units of forcing arrays in FFIELDS.h
1242       namely Fu,Fv,Qnet,Qsw,EmPmR:
1243       - Removed verification/natl_box/code/external_fields_scale.F
1244         (did not differ from that in model/src)
1245       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
1246         (see FFIELDS.h for description)
1247       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
1248         kpp_calc.F and kpp_transport_t.F
1249       - Removed model/src/external_fields_scale.F and calls to it
1250       - verification/natl_box uses flux data with "atmospheric" sign so
1251         a special version of external_fields_load.F is used to
1252         change the data as it's read in. This way, the arrays
1253         have the right units and signs at all times tha a user could
1254         possibly use them.
1255     o Corrected genmake to delete a temporary file during configuration
1256    
1257    checkpoint32
1258     o Scaling of forcing fields moved from external_forcing.F to
1259       external_fields_scale.F, called directly after loading fields.
1260     o Surface relaxation terms added to surface tendency fields in
1261       extra subroutine.
1262     o impldiff.F changed to avoid storing by TAMC of huge intermediate
1263       fields.
1264     o Changes in GMRedi to comply with packaging structure.
1265     o Modifications and bug fixes in KPP package.
1266     o Verification experiment for KPP added (verification/nat_box/)
1267    
1268    checkpoint31
1269     o Packages interface brought in line with defined standard
1270       -> new routines packages_...F
1271       -> changes in initialise_fixed.F, initialise_varia.F
1272       -> enables initialisation interface for ECCO package
1273     o Rescaling of external forcing fields immediately after read
1274       (removed from external_forcing.F)
1275       -> new: surface_fields_scale.F
1276       -> affects ini_foorcing.F, external_fields_load.F
1277     o Computation of surface tendencies before tendency updates.
1278       -> new: external_forcing_surf.F
1279     o Change of variable names useGMRedi, useKPP, useECCO
1280     o Further changes in dynamics.F, impldiff.F for TAMC
1281     o Tested for experiments 0, 2, 4.
1282       - not yet tested for GMRedi.
1283       - not yet tested for KPP.
1284    
1285    checkpoint30
1286     o Updates for OBCs
1287     o New experiment for test OBCs (internal_wave)
1288     o New output.txt in verification/exp4/results/
1289     o Updates for KPP: calculation of viscosity corrected, new variables
1290       kpp_dumpFreq and kpp_taveFreq
1291     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
1292       and entry for T90 in genmake
1293    
1294    checkpoint29
1295     o packaged KPP and GM/Redi
1296    
1297    checkpoint28
1298     o Corrected initialization of hFacMin for difference vertical coordinates
1299     o Modified calculation of partial cell thickness to more robust algorithm
1300     o config_summary.F: replaced write_1D_... by write_0D_...
1301       read_write.F: added subroutines write_0D_...
1302     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
1303       included some initialisations required for TAMC.
1304     o routine calc_isoslopes: modified sqrt computation to make it
1305       differentiable for zero argument.
1306     o routines dynamics, impldiff:
1307       included store directives and tape key computations required for TAMC.
1308     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
1309    
1310    checkpoint27
1311     o fixed calc_isoslopes() to so that cancellation of terms in tensor
1312       formulation works properly with variable resolution.
1313     o restructured the calling tree between the_model_main() and dynamics()
1314     o split initialise() into initialise_fixed() and initialise_varia()
1315     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
1316       in new routine ini_psurf()
1317    
1318    checkpoint26
1319     o moved some #ifdef in optional routines to encompass everything
1320       except the argument declarations. This was using up some memory.
1321     o fixed macros like _ADT to work with both versions of Linux cpp
1322     o cleaned up some unused and uninitialized variables
1323       (helps when debugging with strict compile options)
1324     o split up CPP_EEOPTIONS.h into options and macros
1325       (macros are now in eesupp/inc/CPP_EEMACROS.h)
1326     o patch for 2 processor JAM mode
1327    
1328    checkpoint25
1329     o updates for OBCs and NH
1330     o dramatically reduced memory usage
1331     o added "JAM" routines for use on Artic network
1332     o parameterization of convection by implicit vertical diffusion
1333     o added a diagnostic of convective index
1334     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
1335       (this is was partly for OBCs and NH but also in anticipation of
1336        an explicit free-surface option)
1337     o initial state input files for U and V
1338    
1339    checkpoint24
1340     o Removed some spurious "REAL"s
1341     o Updated KPP to latest version from JPL
1342     o Added a COS(latitude) in horizontal viscosity
1343    
1344    checkpoint23
1345     o Added del^4 diffusion for salt and temperature
1346     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
1347    
1348    checkpoint22
1349     o Made many small changes: implicit none, format(i5), etc...
1350     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
1351    
1352    checkpoint21
1353     o Introduced new I/O package that supports direct-access records (mdsio.F)
1354     o Split-up mid-level I/O routines
1355     o Updated input data for experiments 0,1,2,4 and 5
1356     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
1357    
1358    checkpoint20
1359     o Tidied up open-boundaries some more
1360     o Added non-hydrostatic code
1361     o Fixed some input data
1362     o Modified MPI start-up to work in "coupled" context.
1363    
1364    checkpoint19
1365     o Tidied up directory structure for verification experiments.
1366     o Added new code for open boundaries.
1367     o Corrected advective terms near boundaries.
1368     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
1369     o Implemented free-slip/no-slip BCs and del^4 dissipation.
1370     o Split default parameters out of ini_parms.F into set_defaults.F.
1371    
1372    checkpoint18
1373     o Further changes for optional code generation with
1374       CPP - ugh!
1375    
1376    checkpoint17
1377     o Beginning to incorporating modularity
1378       for supporting atmos. and ocean configs.
1379     o Small changes for TAMC complinace
1380     o New ultra simple test case. Barotropic box
1381       configuration "exp0".
1382    
1383    checkpoint16
1384     o Minor changes to exchange routines to support
1385       accumulation in reverse mode. Adjoint of an
1386       assignment is an addition.
1387     o Changes to support compilation by TAMC (LR(1)
1388       syntax) and by g77 under Linux ( 72 character
1389       limit ).
1390    
1391    checkpoint15
1392     Rewrote exchange routines to allow
1393     o General tile <-> tile connectivity.
1394     o TAMC reverse mode flag ( is this really needed? )
1395     o Variable width overlap and exchange region widths.
1396     o Hooks for sharing data via DMA, Arctic, Memory Channel,
1397       shmput/shmget, VIA, SYSV shmem and every other cool
1398       communication method.
1399    
1400    checkpoint14
1401     Consistent isomorphism chages made. These allow dynamical core
1402     to support both pressure and meters as a vertical coordinate.
1403    
1404    checkpoint13
1405     Release which corrects global_max problem and a couple
1406     of KGM time-averaging diagnostic errors. Also contains
1407     a double-gyre experiment setup as well as the baseline
1408     4 degree global template. The double gyre template is
1409     organised to allow it to be applied automatically to
1410     the baseline configuration.
1411    
1412    branch-point-rdot
1413     A few tidy-ups have been made bt the real point of this
1414     check-point (excuse the pun) is to allow a branch to be
1415     made for the purposes of adding the rDot alterations.
1416     I don't want to commit the rDot to the main-trunk until
1417     we've actually tested it...
1418    
1419    checkpoint12
1420     Tidy up and added generic genmake script (formerly
1421     configure script).
1422     Released to testers.
1423    
1424    checkpoint11
1425     Re-arranged initialise() and introduced ini_vertical_grid()
1426     and ini_masks_etc().
1427    
1428    checkpoint10
1429     Introduced the configure script.
1430     Separated out the diags package.
1431     Added template for writing time-averages of tile/intermediate quantities.
1432     Updated SIZE.h in exp2 and made the data big-endian.
1433    
1434    checkpoint9
1435     MPI fix. Filename changes (meta/data). salbin*y stuff.
1436     General tidy-up.
1437     SST.bin SSS.bin added to verification/exp2
1438    
1439    checkpoint8
1440     Inludes time-dependant forcing and time-averaging.
1441     Works at 4x4 and 2.8125x2.8125 global
1442    
1443    checkpoint7-4degree-ref
1444     Branch from checkpoint7. Released for application to
1445     global modeling and general modeling - process studies, regional
1446     model etc..
1447     Configured for verification/exp2 - 4 degree global, two process.
1448    
1449  checkpoint7  checkpoint7
1450   Created by cnh   Created by cnh
1451   Simple 4 degree global simulation   Simple 4 degree global simulation

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