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revision 1.70 by jmc, Sat Apr 6 01:36:25 2002 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  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  o solve_for_pressure : set cg2d_x to zero where OBCS are applied
975    

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