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revision 1.38 by heimbach, Tue Apr 10 22:35:24 2001 UTC revision 1.205 by heimbach, Fri Nov 7 05:24:46 2003 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint52 = ecco_c52_e35
7    o after testing adjoints of checkpoint51u_post
8    
9    checkpoint51u_post
10    o this is the post-merge tag of the ecco-branch
11      (needs another clean checkout and re-testing)
12    o various natl_box_adjoint configs and results
13      but no input fields
14    o obcs adjoint not yet merged!
15    o adding ECCO global 1x1 and 2x2 degree configs
16    o updated/extended some store directives for seaice
17    o pkg/ecco now containes ecco-specific part of cost function
18    o top level routines the_main_loop, forward_step
19      supersede those in model/src/
20      previous input data.cost now in data.ecco
21      (new namelist ecco_cost_nml)
22    o in ctrl/ cleaned some cross-dependencies and updated CPP options
23    
24    checkpoint51t_post
25    o this is the pre-merge tag of the ecco-branch
26    
27    checkpoint51s_post
28    o cleanup: removed various obsolete #define-s
29    o pkg/grdchk
30      - renamed 'ph-grd 3' to 'grad-res'
31      - merged from ecco-branch
32        (remaining bug fixes for obcs gradient checks)
33      - additional high-precision output for testreport
34        (grep for 'precision_grdchk_result')
35    
36    checkpoint51r_post
37    o cleaned up or removed CPP_OPTIONS.h files
38    o updated results for some of the tests to reflect the new
39      optfiles (-ieee: -O0 instead of -O3)
40    
41    checkpoint51q_post
42    o cd_code:
43      - moved cd_scheme.F -> cd_code_scheme.F
44      - separate read_checkpoint from cd_code_ini_vars.F
45      - separated cd_code part from write_checkpoint
46      - updated AD_SOURCE, generated .flow
47      - added CD_CODE_VARS.h to the_main_loop
48      - Moving cd_code specific store dir.s to pkg/cd_code
49    o ctrl package totally restructured
50      - pack/unpack now optional and decoupled from
51        xx_/adxx_ I/O
52      - ctrl_pack/unpack cleaned
53        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
54      - confined inclusion of AD_CONFIG.h to where necessary.
55    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
56    
57    checkpoint51p_post
58    o create initial cd_code package
59      - WARNING: the initialization of fields within packages
60        is broken because INI_FIELDS (where READ_CHECKPOINT is
61        called) is called *before* PACKAGES_INIT_VARIABLES.
62        This seems to be backwards since
63        1) its important to initially zero the entire field including
64           the "halo" region
65        2) zeroing needs to be done *before* reading pickup info
66           and the pickup call might or might not happen in any
67           particular run
68      - this needs an overhaul for R2
69    o cleanup verification/*/code/GMREDI_OPTIONS.h
70    o cleanup testreport
71    
72    checkpoint51o_post
73    o bringing AD-related verif's up to date with genmake2
74      - carbon/
75      - global_ocean.90x40x15/
76      - hs.94.1x64x5/
77      - (front_relax/ )
78    o (more) consistent directory structure for AD-related verif.'s
79    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
80    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
81    o bug fix in find_alpha.F for MDJWF:
82      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
83        change rho -> rho-rhoConst
84      - replace call find_rho to find_rhonum
85    o initialisation of rFlx extended to full array (required by TAF)
86      and shifted to thermodynamics
87    o removed PTRACERS.h in ptracers routine
88    o added surfacetendencyPtr to S/R parameter list pracers_forcing
89    o Correcting initialisations for fVerU, fVerV.
90    o helping TAF to recognize dependency on kUp for
91      fVerU, fVerV
92    o Replacing delZ by delR in pkg/ctrl/
93    checkpoint51o_pre
94    
95    o undid all of cp51 pending some cleanups and discussion
96    o added the [#include "AD_CONFIG.h"] statement to all files that need
97       it for adjoint/tl #defines
98     o re-worked the build logic in genmake2 to support AD_CONFIG.h
99     o removed tools/genmake since it no longer works
100    
101    checkpoint51n_post
102    o modifications to make FREEZE flux visible to pkg/kpp
103      - moved surfaceTendencyTice from pkg/seaice to main code
104      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
105      - subroutine FREEZE now limits only surface temperature
106        (this means new output.txt for global_ocean.90x40x15,
107         global_ocean.cs32x15, and global_with_exf)
108    o added surface flux output variables to TIMEAVE_STATVARS
109    
110    checkpoint51n_pre
111    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
112    o added [#include "AD_CONFIG.h"] to all files that use the following
113      defines:
114      - ALLOW_ADJOINT_RUN
115      - ALLOW_TANGENTLINEAR_RUN
116      - ALLOW_ECCO_OPTIMIZATION
117    
118    checkpoint51m_post
119    o incorporating changes to get TAMC/TAF working in genmake2
120      - added new TAMC/TAF targets to the Makefile
121      - various cleanups related to package handling
122      - these changes should have no impact on the forward model
123    
124    checkpoint51l_post
125    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
126     - faster algorithm for cal_addtime.F
127     - higher precision arithmetic, where needed
128     - pkg/exf *startdate variables changed from calendar date to
129       model integration time
130    
131    checkpoint51l_pre
132    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
133    o enable to apply restoring on S & T only in a latitude band.
134    o update output (external_forcing_surf modif. change truncation errors)
135       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
136    
137    checkpoint51k_post
138    o change default to: useNHMTerms=.FALSE.
139     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
140       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
141     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
142        exp1, ideal_2D_oce
143     - change data file of oceanic exp (leave the results unchanged for now)
144       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
145    o set gravitySign automatically according to the vertical coordinate used
146      (and change sign: back to "logical" value: +1 when R increases downward)
147    o added an include barrier to the default CPP_OPTIONS.h and
148      removed the #include "PACKAGES_CONFIG.h" from it
149    o fix a bug in mom_fluxform (from chk51j_post)
150    
151    checkpoint51j_post
152    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
153    o adjusted some flow directives (dynamics, thermodynamics)
154    o added cubed-sphere case to test cost function
155    o heckpoint_lev?_directives.h now include
156      pkg-specific directives, whenever those are enabled.
157    o Moving pkg-specific flow directives to corresponding pkg
158      Moving pkg-specific differentiation list to corresponding pkg
159      Moving pkg-specific checkpoint-lev storing to corresponding pkg
160      ---> conventions are
161           - pkg_ad.flow
162           - pkg_ad_diff.list
163           - pkg_ad_check_lev?_dir.h
164    
165    checkpoint51i_post
166    o merge of the branch-genmake2
167      - knowingly breaks the older genmake
168      - automatic generation of all ALLOW_${PKG_NAME} defines
169      - new testreport supersedes older testscript
170    o large number of package inclusion and header cleanups
171    checkpoint51i_pre
172    
173    o new output for adjoin of global ocean vector invariant
174    o fix for checkpoint of thermodynamic seaice and bulk_force
175    o Steph gchem various cleanups
176    
177    checkpoint 51h_pre
178    o fixed some single quotes
179    o modify gchem pkg to be more versatile
180    o modifications to clean up dic pkg
181    o add pkg/cfc
182    
183    checkpoint51g_post
184    o provide links for ARPACK and ADM*TLM
185    o start removing verification/vero/
186    o update AD-related stuff
187      (in particular some IF-statements in model/src/ routines)
188    o adding to verification/global_ocean.90x40x15/ adjoint of
189      vector invariant setup
190    
191    checkpoint51f_post
192    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
193    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
194      of tracer Green's fucntions for ocean inversion project.
195    
196    checkpoint51f_pre
197    o Added on-the-fly spatial interpolation capability
198        "USE_EXF_INTERPOLATION" to pkg/exf.
199      - This is a temporary Cartesian-grid hack until
200        the super-duper ESMF coupler becomes available.
201      - See verification/global_with_exf/README for usage example.
202      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
203        flags and modified pkg/seaice accordingly.
204    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
205        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
206        non-local transport term.
207    
208    checkpoint51e_post
209    o pkg/mom_vecinv:
210      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
211      - add time-ave diagnostic of vorticity advection.
212    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
213    o atmospheric geopotential: - include water vapor effect;
214                                - use p^kappa in p* scaling.
215    o land pkg: read initial state from files.
216    o AIM : add stratospheric drag in the upper level
217    
218    checkpoint51d_post
219    o change function ILNBLNK (=> last non-blank char.) to return zero
220      (instead of the string length) when the string. char is empty
221    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
222    o modif's to restore TAMC compatibility
223      - avoid "_d" constructs in PARAMETER declarations
224      - avoid interrupting lines by comment lines
225    o Use cluster local disks for purely local I/O
226      vs. globally visible disks needed for ctrl stuff
227      (merged from ecco-branch)
228      - new active_file_loc... and mdsio_..._loc routines
229      - affected packages: autodiff, ctrl, grdchk, mdsio
230    
231    checkpoint51c_post
232    o introducing integer flag debugLevel
233      - debLevZero: suppress all output
234      - debLevA: standard
235      - debLevB: equivalent to current debugMode=.TRUE.
236    o introducing pathname variable mdsioLocalDir for mdsio
237      that can be specified at runtime
238      (relevant for cluster I/O to local disk)
239    `
240    >>>checkpoint51b_post
241    adjoint of ptracers
242    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
243    o extended state in checkpoint_lev?, etc.
244    o alternative ctrl/cost with tr1 or ptracer
245    o new comlev1_bibj_ptracers
246    o new ptracers.flow
247    o made ptracers_forcing same as external_forcing_s
248    o added verification for adjoint with ptracers
249      - adm. grdchk fail so far
250      - tlm. grdchk OK
251      - checked tapelev/comlev recomputations: OK
252    <<<checkpoint51b_pre
253    
254    checkpoint51a_post
255    o added code for biogeochemistry package
256      - new pkgs: dic, gchem
257      - new subroutine in ptracers
258    o modify code for biogeo packages
259      - in model/src and pkg/ptracers
260    
261    checkpoint51
262    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
263      - autodiff, ctrl, exf, grdchk, seaice
264      kept separate packages
265      - cost, ecco, obcs
266    o updating verification/internal_wave, verification/lab_sea
267      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
268    
269    checkpoint50i_post
270    o Preparing next differentiable checkpoint and sync
271      of MAIN vs. ecco-branch
272      - 1st step: this one is differentiable
273      - 2nd step: next(! not this) checkpoint will have updated packages
274                  from ecco-branch)
275    
276    checkpoint50h_post
277    o new package "land": provide surface BC for AIM.
278    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
279    o AIM: use true log-P extrapolation for near surface temp (= as in
280        F.Molteni paper) ; update aim.5l_cs output.
281    o New variable in PARM03 for more flexible pickups
282    o somewhat cleaned package initialisation sequence for
283      ctrl/ cost/ ecco/ in packages_... routines
284    
285    checkpoint50g_post
286    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
287      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
288      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
289        made the default because of faster convergence than ADI
290    
291    checkpoint50f_post
292    o exf totally restructured
293      - replaced all exf_set_ routines by one generic exf_set_gen.F
294        and made sure it's still differentiable
295      - split exf_getffields.F into new exf_bulkformulae.F
296      - exf_inscal_/exf_outscal_ suffixes consistent with field names
297      - updated adjoint/makefile and relevant verif. accordingly
298    
299    checkpoint50f_pre
300     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
301          + change Evap over land. (update aim.5l_cs output)
302     o added missing .cvsignores and made uniform across expts
303     o changed configuration of tidal_basin_2d expt
304     o added pkg/debug functions for tracing code in fatal crashes
305     o tidied pkg/monitor to use MONITOR_OPTIONS.h
306     o new fn in pkg/monitor to stop model if solution grows too big
307     o removed lots of single quotes from comments
308    
309    checkpoint50e_post
310    o make KPP work with PTRACERS
311     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
312       nearly a copy of kpp_transport_s
313     - there is no analogue to SurfaceTendencyS, so I have to use
314       gPtr(of the surface layer) instead
315    o add a new platform SunFire+mpi (SunFire 15000) to genmake
316    checkpoint50e_pre
317    
318    checkpoint50d_post
319    o change kpp output from multiple-record state files to single-record state
320      files analogous to write_state.F
321    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
322      analogous to the cg2d-related output.
323    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
324      so that writing to internal file fn (with length 512) fails.
325    checkpoint50d_pre
326    
327    checkpoint50c_post
328    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
329    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
330    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
331    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
332    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
333    
334    checkpoint50c_pre
335    Merging from release1_p13:
336    o bug fix for pkg/seaice dynamic solver
337    o Added SEAICE_initialHEFF to pkg/seaice
338    
339    checkpoint50b_post
340    o store u*,v* in gU,V instead of in guNm1,gvNm1
341    o in order to put the momForcing out of the Adams-Bashforth:
342      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
343      to timestep.F
344    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
345    o re-generate output for highly sensitive test-exp:
346       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
347    
348    checkpoint50b_pre
349    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
350    o corrected CPP option mismatch in exf_Bulk... functions for case
351      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
352    
353    checkpoint50a_post
354    o Bug fix for merging between c50 and KPP.
355      ikey was passed from thermodynamics to kpp_calc via
356      common block rather than being recomputed in kpp_calc,
357      in contradiction with new key itdkey.
358      New key ikppkey created, and tamc.h headers updated.
359    
360    checkpoint50
361    - 2nd step of merge with ecco-branch:
362      merge changes in ecco-branch back into main trunk
363    - bug fix in find_alpha
364    - more storing in gmredi_calc_tensor.F, kpp_routines.F
365    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
366    - merged some sliced AD support routines
367    
368    checkpoint49
369    merged from ecco-branch:
370    o exf:
371      - Enable initialisation of forcing fields to constant
372        (runtime) values.
373      - in exf_getffields.F
374        Reduce i-/j-loop to interior domain, discarding overlaps.
375        That also fixes wrong TAF-key computations for key_1, key_2
376        with bulf formulae.
377      - exf_init.F modify #ifdef for exf_init_evap
378      - exf_getffieldrec.F, ctrl_getrec.F
379        The following INT-usages are not safe:
380          fldsecs  = int(fldsecs/fldperiod)*fldperiod
381          fldcount = int(fldsecs/fldperiod) + 1
382        and were modified.
383    o autodiff: checkpoint_lev...
384      - updated storing for bulk formulae (some arrays were missing)
385      - added state for seaice package
386      - synchronized with main branch
387    o DIVA:
388      Modif.s in
389      - the_main_loop.F
390      - the_model_main.F
391      and added cost_final_restore.F cost_final_store.F
392      o With these changes, it is possible to fully separate
393        the first forward run to compute the cost function (mdthe_main_loop)
394        and adjoint runs over individual DIVA intervals (adthe_main_loop)
395        into separate model executions.
396        This enables better tuning of DIVA to given queue sizes.
397      o Loss of cost function value in consecutive DIVA runs is
398        fixed by storing to 'costfinal' file.
399      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
400        beginning/end of adjoint integration is accounted for.
401      The current changes apply to TAF-1.4.26.
402      TAF has one remaining bug, requiring one manual change
403      (see MITgcm manual).
404    o cal: synchronized between MAIN and ecco-branch
405    
406    checkpoint48i_post
407    o Changes to restore differentiability of code w.r.t. previous tag
408      (mostly adding new routines to make list and replacing
409      pressure by totPhiHyd).
410    o Updated and merged grdchk package
411      - has both ADM and TLM checks
412      - works for single- and multi-proc.
413      - output cleaned
414      - worked successfully for parallel DIVA
415    o genmake:
416      - Adding -platform=SP4
417      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
418    o Modif. for DIVA:
419      ctrl_unpack should not be called in intermediate DIVA interval.
420      (similar thing would apply for active files such as
421      tbar, sbar, psbar, which should not be reinitialised;
422      only relevant for ecco-branch)
423    
424    checkpoint48h_post
425    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
426    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
427    o Added SEAICE_initialHEFF to pkg/seaice
428    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
429    
430    checkpoint48g_post
431    --- EOS:
432    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
433      store total Potential in totPhyHyd for diagnostics & EOS.
434    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
435    --- Pressure/geopotential gradient:
436    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
437    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
438      ( changes results of global_ocean_pressure )
439    o NLFS + z-coord.: add eta*Rho' contribution.
440    o accurate phiHyd when using interface-W at the middle between 2 centers
441     ( changes results of ideal_2D_oce )
442    o includes r* 2nd term in potential gradient.
443    
444    checkpoint48f_post
445    Merging from release1_p12:
446    o Modifications for using pkg/exf with pkg/seaice
447      - improved description of the various forcing configurations
448      - added basic radiation bulk formulae to pkg/exf
449      - units/sign fix for evap computation in exf_getffields.F
450      - updated verification/global_with_exf/results/output.txt
451    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
452      (SBO) core products, including oceanic mass, center-of-mass,
453      angular, and bottom pressure (see pkg/sbo/README.sbo).
454    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
455      to avoid negative values in shallow regions.
456      - updated verification/natl_box/results/output.txt
457      - updated verification/lab_sea/results/output.txt
458    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
459    o Added useSingleCpuIO option (see PARAMS.h).
460    o Updated useSingleCpuIO option in mdsio_writefield.F to
461      work with multi-field files, e.g., for single-file pickup.
462    o pkg/seaice:
463      - bug fix in growth.F: QNET for no shortwave case
464      - added HeffFile for specifying initial sea-ice thickness
465      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
466    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
467      kpp_transport_t.F, forward_step.F, and the_main_loop.F
468    o pkg/seaice:
469      - adjoint-friendly modifications
470      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
471    
472    checkpoint48e_post
473    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
474    o dynamics: change definition of computational domain & adapt mom_fluxform
475      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
476    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
477        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
478        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
479        global_ocean.90x40x15 global_with_exf global_ocean_pressure
480        inverted_barometer solid-body.cs-32x32x1
481      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
482    
483    checkpoint48d_post
484    o in preparation for r*:
485     a) use pre-computed gradient of hydrostatic potential:
486        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
487     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
488        => affects results of glob_oce_pressure (different truncation error)  
489      update output.txt of ideal_2D_oce & global_ocean_pressure
490    
491    checkpoint48d_pre
492    o in preparation for r*:
493      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
494      pass the 2 comp. of the grad. as arguments to momentum S/R.
495      but for the moment, only used if it does not change the results.
496    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
497    
498    checkpoint48c_post
499    Modifications in treatment of initial flux forcing controls
500    to avoid extra storing of flux fields.
501    
502    checkpoint48c_pre
503    o Added tidal_basin_2d experiment (currently 1D!)
504    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
505    
506    checkpoint48b_post
507    o r* coordinate added in #ifdef NONLIN_FRSURF block.
508     (modification to pressure gradient not yet implemented)
509    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
510      (for U & V) that are used for vertical advection of momentum.
511    
512    checkpoint48a_post
513    o In preparation for r*, use temp. array to compute vertical transport
514       in flux-form momentum pkg. => change results of few test-exp.
515      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
516                        lab_sea, natl_box & plume_on_slope
517    
518    checkpoint48
519    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
520    
521    checkpoint47j_post
522    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
523    o moved adexch from forward_step to addummy_in_stepping
524    o added exch in ctrl_map_...
525    o aveFreq.=0. at end of cost_final to avoid overwrite in
526      reverse checkpointing loop
527    o Yet more changes in gmredi:
528      * adgmredi_calc_tensor
529        avoiding all recomputation of gmredi_slope_limit
530      * adgmredi_x/y/rtransport
531        added flag for excessive storing to avoid recomp. of
532        u/v/rtans, dTdx/y/z
533        -> this is not really necessary and very memory-consuming
534      * adgmredi_slope_psi:
535        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
536      * gmredi_slope_limit
537        re-activated full calculation of taperfct for case 'ac02'
538    o updating verification/ adjoints of carbon, global_ocean.90x40x15
539    
540    checkpoint47i_post
541    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
542    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
543      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
544    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
545    o gmredi: fix few bugs.
546    
547    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
548    This will be a good checkpoint to plug into the ecco-branch.
549    o few modif.'s to get latest version adjointed
550      (mainly kick out code in ini_linear_phisurf)
551    o modif's to run adjoint with exactConserv
552    o case GM_BOLUS_ADVEC should be cleaned
553      S/R gmredi_slope_psi should be cleaned
554    o verification/carbon now has exactConserv=.TRUE.
555    
556    checkpoint47g_post
557    o time-average AIM output: becomes independent from statvars time-average
558      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
559    o After TAF bug fix:
560      Tested adjoint of gmredi package.
561      Tests were done with checkpoint47 rather than with latest
562      checkpoint47f_post since the latter is broken for the adjoint
563      verification/carbon/ contains both ADM and TLM gradient checks.
564    Here they are, before they get changed/lost/stolen.
565    Mostly modif.'s to fix numerical sensitivities.
566    Gradient checks OK for
567    - GM_taper_scheme:
568      * clipping
569      * ac02
570      * linear
571      * glw91
572      * dm95
573      * ldd97
574    - GMREDI_OPTIONS:
575      * GM_VISBECK_VARIABLE_K
576      * GM_NON_UNITY_DIAGONAL
577      * GM_EXTRA_DIAGONAL
578      * GM_BOLUS_ADVEC
579    in conjunction with data.gmredi parameters to be checked in
580    in a few minutes under verification/carbon/code/
581    
582    checkpoint47f_post
583    Merging from release1_p10:
584    o modifications for using pkg/exf with pkg/seaice
585      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
586        and SEAICE_EXTERNAL_FLUXES
587      - pkg/exf CPP options EXF_READ_EVAP and
588        EXF_NO_BULK_COMPUTATIONS
589      - usage examples are Experiments 8 and 9 in
590        verification/lab_sea/README
591      - verification/lab_sea default experiment now uses
592        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
593    
594    checkpoint47e_post
595    o created a tag prior to creating a branch
596    
597    checkpoint47d_post
598    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
599      at the bottom boundary had an erroneous half slip boundary condition
600    o added bottom drag and no slip boundary condition capabilities to
601      oceanic pressure coordinates code
602    o added new verification experiment global_ocean_pressure, this experiment is
603      also described in the tutorial section of the manual
604    checkpoint47d_pre
605    
606    checkpoint47c_post
607    o Added a verification experiment for a global cubed-sphere ocean run
608      -  verification/global_ocean.cubed32x32x30
609      -  uses pkg/therm_seaice and pkg/bulk_forcing
610    
611    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
612    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
613      when using P-coordinate; only implemented for atmospheric config.
614    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
615      NOTES: requires option NONLIN_FRSURF to be "#define".
616    o update advect_xz/results/output.txt (left from checkpoint44g_post)
617    
618    checkpoint47b_post
619    Merging from release1_p9:
620    o pkg/seaice
621      - removed GOTO's and added taf directives
622      - double precision constants to reduce the g77 (Linux)
623        to F77 (SGI) differences reported in release1_p8
624    o tools/genmake
625      - added SGI options
626    o verification/testscript
627      - updated to that of checkpoint47a_post
628    o verification/global_ocean.90x40x15/input/eedata
629      - modified for SGI f77 compatibility
630    o verification/lab_sea
631      - added description of sea-ice model
632      - added missing matlab routines
633      - added test of thermodynamics parallelization
634    
635    checkpoint47a_post
636    o new pkg: aim_v23
637     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
638       for now, keep the same surface forcing as before.
639     - Part-Cell implemented into AIM; check that Heat & Water are conserved
640     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
641     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
642    o add diagnostic of surface correction term in monitor output
643    
644    o bulk_force and therm_seaice
645    - Two packages:  bulk_force (Bulk forcing)
646      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
647    - Earlier integration from Stephaine Dutkiewicz
648      and Patrick Heimbach.
649    - Two ifdef statements for compile time,
650       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
651    
652    checkpoint47
653    differentiable version of checkpoint46n_post
654    o bug fix in quasihydrostaticterms
655    o * "clean" adjoint code (in terms of extensive recomputations)
656        can now be obtained for all GMREDI options (i.e. for
657        - GM_VISBECK_VARIABLE_K
658        - GM_NON_UNITY_DIAGONAL
659        - GM_EXTRA_DIAGONAL
660        - GM_BOLUS_ADVEC )
661      * However, wrong gradient check problem remains unsolved.
662      * New CPP options have been introduced for different
663        tapering schemes
664    o external_fields_load now part of differentiation list
665    o pressure needs multiple storing;
666      would be nice to have store_pressure at beginning or
667      end of forward_step, e.g. by having phiHyd global (5-dim.)
668      (NB: pressure is needed for certain cases in find_rho,
669      which is also invoked through convective_adjustment).
670    o recomputations in find_rho for cases
671     'JMD95'/'UNESCO' or 'MDJWF' are OK.
672    o #define ATMOSPHERIC_LOADING should be differentiable
673    o ini_forcing shifted to begining of initialise_varia
674    o Incorporating QNVS line search routines into MITgcm
675      (this is separate code, and therefore not under pkg)
676      lsopt/, optim/
677    o Updated verification/carbon/
678      - #define GM_VISBECK_VARIABLE_K
679      - GM_taper_scheme    = 'ldd97'    
680    
681    checkpoint46n_post
682    Merging from release1_p8:
683    o verification/natl_box:
684      updating new external_fields_load routine
685    o New package: pkg/seaice
686      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
687      The sea-ice code is based on Hibler (1979-1980).
688      Two sea-ice dynamic solvers, ADI and LSR, are included.
689      In addition to computing prognostic sea-ice variables and diagnosing
690      the forcing/external data fields that drive the ocean model,
691      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
692      The implied surface heat flux is then stored in variable
693      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
694      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
695      non-local transport term.  Because this call precedes model
696      thermodynamics, temperature under sea-ice may not be "exactly" at
697      the freezing point by the time theta is dumped or time-averaged.
698      N.B.: fairly large differences in accuracy occur across
699            different platforms/compilers; comparison between
700            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
701            generated output gives:
702       T           S           U           V
703      C D M    c        m  s        m  s        m  s        m  s
704      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
705      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
706      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
707    
708      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
709    o GAD:
710      - generated new common blocks to account for call of
711        same gad routines with differing traceridentities
712        (needed to modify tracerIdentity indices in GAD.h)
713      - generated separate common blocks for case useCubedSphereExchange
714        (Department of Futurology)
715      - parameter lists to gmredi_?transport: added tracerIdentity
716      - added new key indices to tamc.h
717    o external_fields_load:
718      - added this routine to TAF list
719      - needed to make some common blocks global and additional storing
720        along the same lines as exf package (checkpoint_lev?_directives.h)
721    o exf:
722      updated external forcing package
723      - bug fixes carried over from ecco-branch
724        (missing OBCS_OPTIONS.h in two routines)
725      - enable easy to use "no forcing".
726      - added exf I/O for atmospheric loading
727      - added exf I/O for runoff data
728      - transfered scaling between exf <-> MITgcm to exf namelist
729    o Adding new verification experiment global_with_exf.
730      This verification experiment is almost identical to the
731      global_ocean.90x40x15 experiment, except that it uses
732      the exf (and cal) package instead of the
733      external_fields_load routine (cf README file).
734    
735    checkpoint46m_post
736    o modified testscript to return -- when there are no lines of "%MON" output
737    o added new flag "quasiHydrostatic" for QH mode
738      and new routine quasihydrostaticterms()
739    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
740      New routine: mom_u_coriolis_nh()
741    o fixed sign of non-hydrostatic metric terms in u and v equations.
742      Depend on correct sign of gravitySign.
743    o added work.pc* to .cvsignore in aim directories using ifc
744    o introduced flag for controllin non-hydrostatic metric terms
745    o removed gravitySign from PARM04
746    o switched to g77/ifc from pgf77 in aim experiments
747    
748    checkpoint46l_post
749    o made convective adjustment work with pressure coordinates:
750     - changed the direction of k-loop in convective_adjustment.F for the
751       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
752     - adjusted the reference pressure k-index in convective_adjustment.F
753     - adjusted the convection condition in convect.F (in analogy to
754       calc_ivdc.F)
755     - convective_adjustment no longer computes anything on the halos
756     - removed the warnings about negative salinity from find_rho.F and
757       find_alpha.F; instead the new routine look_for_neg_salinity, called
758       at the beginning of find_rho, find_alpha, and find_beta, does a
759       check of the entire slice, if CPP-option
760       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
761    checkpoint46l_pre
762    
763    checkpoint46k_post
764    o fixed the verification/global_ocean.90x40x15 experiment:
765     - new bathymetry (the world according to A., JMC, and M.)
766     - new initial fields and forcing fields (*.bin files)
767     - new POLY3.COEFFS (for the next release one should switch to a full
768       equation of state: JMD95P or MDJWF)
769     - fixed several errors and redundancies in the data file
770     - experiment uses looped cells
771     - added matlab directory with diagnostic scripts for plotting of output
772    
773    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
774     - read AIM physics parameters from a file (data.aimphys)
775     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
776    
777    checkpoint46j_post
778    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
779    o move wVel computation at the end of the time step, in S/R integr_continuity
780    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
781    o update timeave pkg for wVel diagnostic.
782    checkpoint46j_pre
783    
784    checkpoint46i_post
785    o Clean up AIM package (and keep the results unchanged):
786      include CPP_OPTION and use IMPLICT NONE in all routines ;
787      declare all the variables _RL ; use _d 0 for all numerical constants.
788      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
789    
790    checkpoint46h_post
791    o cleaned up the use of rhoNil and rhoConst.
792      - rhoNil should only appear in the LINEAR equation of state, everywhere
793        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
794        and the dynamical equations are all divided by rhoConst
795    o introduced new parameter rhoConstFresh, a reference density of fresh
796      water, to remove the fresh water flux's dependence on rhoNil. The default
797      value is 999.8 kg/m^3
798    o cleanup up external_forcing.F and external_forcing_surf.F
799      - can now be used by both OCEANIC and OCEANICP
800    checkpoint46h_pre
801    
802     Added code to convert surface volume flux (fresh water) into
803     a mass flux when using P coordinates in the ocean (OCEANICP).
804     Note: It assumes you have set rho0=rhoConst=density of fresh water.
805    
806    checkpoint46g_post
807    o Include a new diagnostic variable phiHydLow for the ocean model
808      - in z-coordinates, it is the bottom pressure anomaly
809      - in p-coordinates, it is the sea surface elevation
810      - in both cases, these variable have global drift, reflecting the mass
811        drift in z-coordinates and the volume drift in p-coordinates
812      - included time averaging for phiHydLow, be aware of the drift!
813    o depth-dependent computation of Bo_surf for pressure coordinates
814      in the ocean (buoyancyRelation='OCEANICP')
815      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
816        Theta, Salinity, and Pressure in the parameter list. This routine is
817        presently contained in find_rho.F. This routine does not give the
818        correct density for 'POLY3', which would be a z-dependent reference
819        density.
820    o cleaned up find_rho
821      - removed obsolete 'eqn' from the parameter list.
822    o added two new verification experiments: gop and goz
823      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
824    checkpoint46g_pre
825    
826    checkpoint46f_post
827    o Enable tangent linear (forward mode) gradient checks:
828      - extended active file handling to g_... files
829      - added TANGENT_SIMULATION to theSimulationMode
830      - extended grdchk package accordingly
831    o added tangent linear setup in verification/carbon/code_ftl
832    o added adjoint setup in verification/front_relax/code_ad
833    
834    checkpoint46e_post
835    o Added new equation of state -> MDJWF
836      - EOS of McDougall et al., 2002, JAOT, submitted
837      - caveat: the equation of state is only valid for a smaller (more
838        realistic?) range of values than JMD95P/Z and UNESCO
839      - added masks to the calculation of pressure in store_pressure
840      - added more check values for density in check_eos (ini_eos.F), some of
841        the old check values are out of the range of the MDJWF-eos, so don't
842        expect perfect matches for those
843    checkpoint46e_pre
844    
845    checkpoint46d_post
846    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
847      'OCEANICP', also initialised field pressure correctly in ini_eos in the
848      case of pressure coordinates. eosType='JMD95Z' in
849      combination with buoyancyRelation='OCEANICP' now causes an error.
850    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
851      in find_alpha/beta.
852    checkpoint46d_pre
853    
854    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
855      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
856    
857    checkpoint46c_post
858    o Changes necessary for ocean in p-coordinates
859     -  Added new buoyancy relation = 'OCEANICP'
860     -  Added new parameters = gravitySign (this used to be contained inside
861        the factor dRdZ which I added when we first switched to R coordinates).
862     X GM/Redi is not compatible (yet)
863     X bottom drag and no-slip need to be debugged.
864    checkpoint46c_pre
865    
866    checkpoint46b_post
867    o Added new equation of state -> JMD95Z and JMD95P
868      - EOS of Jackett and McDougall, 1995, JAOT
869      - moved all EOS parameters into EOS.h
870      - new routines ini_eos.F, store_pressure.F
871    o Added UNESCO EOS, but not recommended because it requires
872      in-situ temperature (see JMD95)
873    o Modified formatting for knudsen2.f in utils/knudsen2 and added
874      unesco.f to be used with POLY3
875    checkpoint46b_pre
876    
877    checkpoint46a_post
878    o Added (atmospheric) pressure loading
879      - new field in FFIELDS.h, etc...
880      - new cpp flag ATMOSPHERIC_LOADING
881    o Changed hFacC to _hFacC in calc_phi_hyd.F
882    o Added SHORTWAVE_HEATING to some files for consistency
883    checkpoint46a_pre
884    
885    checkpoint46
886    further merges from release1_p5
887    o new ctrl package
888      - adopted from ECCO environment to enable optimization
889      - added Eliassen Palm fluxes to controls
890    o added Eliassen Palm flux controls to gradient check package
891    o cost package
892      - Compatible with new ctrl package
893      - added Eliassen Palm cost hooks
894      - modif's of existing cost functions
895    o Adjoint-related bug fixes in kpp:
896      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
897      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
898    o autodiff package
899      - flow directives:
900        + new for S/R do_the_model_io
901        + enhanced for S/R checkpoint
902        + new gmredi.flow
903      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
904        disable adcommon.h/g_common.h by default.
905      - fixed problem for adjoint of global_max
906    o modified verification/carbon/
907    o New setup for adjoint of global_ocean
908    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
909    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
910    o incorporated hooks for sponge layer code (external_forcing.F)
911    
912    checkpoint45d_post
913    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
914    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
915      (affects plume_on_slope "cg2d" output)
916    o add new parameter deltaTfreesurf for free-surface time stepping
917    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
918    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
919    o change phiMin in exp1 (to agree with documentation)
920    o add new flags:
921     - T,S forcing inside/outside Adams-Bashforth
922     - turn off temp,salt advection and/or forcing
923     - for each tracer, define internal flag for multiDimAdvection & A-B
924    o monitor: change definition of KE to check conservation of Energy
925    
926    checkpoint45c_post
927    o Removed f90 comments ("!")
928    o Modified initialisations to enable exf package for MITgcm
929      (without invoking ECCO_PACKAGE).
930    o modifications to gradient check package (Martin Losch)
931      - enable centered differences
932      - modified format of standard output
933    
934    checkpoint45b_post
935    o cleaned exchange calls in cg2d
936    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
937    o included CPP option SINGLE_LAYER_MODE in thermodynamics
938      to configure barotropic setup (Martin Losch)
939    o moved some initialisations within bi,bj loop in dynamics
940      (TAF flow dependency)
941    o in initialise_varia, moved call packages_init_variables
942      before convective_adjustment_init
943      (corresponding adjustment of TAF tape initialisation).
944    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
945    
946    checkpoint45a_post
947    o compute Rho over the whole domain (extend iMin,jMin indices)
948    o specific exchange for X-slice domain (case Ny=1)
949    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
950    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
951    
952    checkpoint44h_post = checkpoint45
953    o Fix to restore differentiability:
954      place at which packages_init_variables is called in
955      initialise_varia is crucial for reverse control flow.
956    o modifications in GMRedi to enable stable adjoint
957      (corresponding modif's in thermodynamics, dynamics)
958    o added missing hook for sponge layer code in external_forcing
959    o modified test cost functions
960    o storing in gad_advection (plus removal of write(0,*)!
961    o missing headers TR1.h added in convective_adjustment routines
962    o errorMessageUnit set non-equal zero in eeboot
963      (conflict on some platforms, e.g. IBM SP3)
964    o modified carbon verif.
965    
966    checkpoint44h_pre
967    o vertical grid option: allow to put the Interface at the middle between
968      2 cell-centers ; replace delZ in pkg/kpp by drF.
969    o GM Advective form: Tracers are advected using the residual transport (=
970      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
971    
972    checkpoint44g_post
973    o fix surface correction term in multiDimAdvection (affects plume_on_slope
974      results) ; ifdef missing in thermodynamics.F
975    
976    checkpoint44f_pre,checkpoint44f_post
977    o added PTRACERS package
978      This allows an arbitrary number of passive tracers to be integrated
979      forward simultaneously with the dynamicaly model.
980      + Implemented so far:
981        - basic forward algorithm (time-stepping, advection, diffusion, convection)
982        - I/O and checkpointing
983        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
984      + Not implemented so far:
985        - KPP
986        - OBCS
987      + No specific example supplied (yet) but global_ocean.90x40x15 has the
988        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
989        line in data.pkg.
990      + This package is disabled by default since it increases storage.
991    
992    
993    o testscript: added -cleanup option
994    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
995                 b) enable to filter 2D fields.
996    
997    checkpoint44e_pre,post
998    o re-wrote convective adjustment to use pre-calculated weights
999      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
1000      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
1001      Original calls to convect() still in place.
1002    
1003    chkpt44d_pre,post
1004    o added missing EXCLUDE_MONITOR flags
1005    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
1006      (incompatible typ in MIN/MAX expressions caused problems
1007      on IBM SP3)
1008    o in genmake added variable MAKEDEPEND
1009      plus resetting for case SunOS
1010    o added timer_stats.c routine for IBM SP3
1011    o removed variables in dynamics
1012    !!! I forgot to create tag chkpt44d_pre !!!
1013    !!! But chkpt44d_pre = chkpt44c_post    !!!
1014    
1015    o real fresh water flux implemented with non-linear free-surface.
1016    
1017    chkpt44c_pre,post
1018    o few fix (mask in shap_s2, EmPmR in external_field_load,
1019      USE_NATURAL_BCS in solve_for_P);
1020    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
1021    
1022    checkpoint44b_pre/_post
1023    o merge of relevant stuff from the ecco-branch:
1024      - genmake: removed $S64 overwrite for case SunOS
1025      - pkg/exf: update and corrections for field swapping and obcs
1026      - pkg/ecco: parameter lists for the_model_main, the_main_loop
1027                  harmonized between ECCO and MITgcm
1028      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
1029                      updated checkpointing_lev... lists for obcs
1030      - model/src: minor changes in forward_step, plot_field
1031                   added directive for divided adjoint in the_main_loop
1032      - pkg/mdsio: added mdsio_gl_slice
1033    
1034    o check parameters & config (chkpt44a_pre,post)
1035    o OBC and NonLin_FrSurf.
1036    
1037    checkpoint44
1038    o fix bug in mom_vi_del2uv
1039    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
1040    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
1041    o update AIM experiments (NCEP input files)
1042    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
1043    o added some stuff for AD
1044    
1045    checkpoint43
1046    o added two new advection tests
1047    o added global 4x4 degree ocean test
1048    o added test of H&S94 with free surface on cube
1049    o some final mods for gradient check, adjoint,...
1050    
1051    checkpoint42
1052      Fixed AD-related problems:
1053    o Store directives up-to-date with re-arranged Adams-Bashforth
1054      (mainly thermodynamics.F)
1055    o New store directives for multi-dim. advection schemes
1056      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
1057      * new common block and key passkey
1058      (mainly gad_advection.F)
1059    o Modified store directives for split of dynamics/thermodynamics
1060      for the case ALLOW_KPP
1061    o Cleaned argument list for timestep_tracer.F
1062    
1063    checkpoint41
1064    o re-formatted/added comments in prologues of key subroutines
1065      to work with protex
1066    
1067    checkpoint40
1068    o moved calc_gs, calc_gt and calc_tr1 back to model/src
1069    o added FLT (floats) package from Arne along with demo. experiment
1070    o re-arranged Adams-Bashforth scheme for tracers to allow easier
1071      implementation of forward-in-time forcing terms
1072    o more mods for non-linear free-surface including new variable
1073    o modified multi-dim method to work on cube
1074    o bug fix in KPP (from DM)
1075    
1076    checkpoint40pre9
1077    o added DST advection schemes
1078    o fix MPI bug on SGI's
1079    o modifications for non-linear free-surface
1080    o fixed conditionals for fixed flow/passive tracer only mode
1081    o added tension/strain form of stress tensor
1082    o changes to commenting of arguments for TAF/TAMC
1083    o added/updated many matlab scripts
1084    o added multi-dimensional advection method for tracers
1085      
1086    checkpoint40pre8
1087    o new package rw/
1088      Added method for dumping intermediate local arrays:
1089      mdsio_writetile - same as mdsio_writefield except works from inside
1090                        bi,bj loop
1091      mdsio_writelocal - same as mdsio_writetile except works for local
1092                         arrays
1093      write_local_r? - higher-level wrapper for mdsio_writelocal
1094      Controlled by diagFreq. Defaults to zero (ie. no dumps)
1095      Example given at end of mom_vecinv.F that dumps some local arrays.
1096    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
1097      control flux-form versus vector invariant code.
1098      Switch is runtime flag vectorInvariantMomentum (defaults to false)
1099      or genmake -DISABLE ...
1100    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
1101      (additional storing is now needed for case vecinv;
1102      currently nothing implemented to switch this storing off
1103      in case fluxform is used since no CPP flag available).
1104    
1105    checkpoint40pre7
1106    o bug fix in dynamics.F
1107      calc_viscosity called before k=1,Nr loop.
1108    o added some #ifdef's ALLOW_PASSIVE_TRACER
1109    o cleaned initialisations in ctrl_map_ini
1110      related to TAF
1111    
1112    checkpoint40pre6
1113    o split dynamics into thermodynamics & dynamics
1114    o corresponding split of calc_diffusivity into
1115      calc_diffusivity, calc_viscosity
1116      (kpp_calc_diff, kpp_calc_visc).
1117    o Added diffkr, kapgm to control variables
1118    o bug fix in gmredi_slope_limit for ldd97
1119    
1120    checkpoint40pre5
1121    o proper initialization of Adams-Bashforth time stepping
1122      + uses forward step for very first step of model (iter=0)
1123    o re-generated *all* output since almost all output is modified by this
1124      change (sorry but we've been putting this one off for about 2 years)
1125      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
1126        *not* regenerated since they are already out of date and I don't
1127        want to create the impression that they are suddenly working.
1128    o removed KAP stuff for DEC's
1129    o modified/added many .cvsignore files in */code and */input
1130    o added new expt "solid-body.cs-32x32x1"
1131      + this uses an alternative form of ini_curvilinear_grid.F which
1132        is not necessarily any better than the current one...
1133    
1134    checkpoint40pre4
1135    o added re-initialisations of utrans,vtrans,rtrans in
1136      calc_common_factors which are crucial for TAF.
1137    o extended iMin,jMin range for calc_common_factors,
1138      calc_diffusivity
1139    o added option ALLOW_PASSIVE_TRACER
1140    o a few minor updates and fixes
1141    
1142    checkpoint40pre3
1143    o created calc_gtr1.F for gad package
1144    o split the_main_loop and re-introduced forward_step
1145    o some recomputations of nIter0 for TAMC
1146    
1147    checkpoint40pre2
1148    o Updated to latest branch of AJA, JMC
1149    o Added gradient check package
1150    o Added routines for passive tracer handling
1151    o Added carbon sequestration sensitivity experiment
1152    
1153    checkpoint39
1154     o Modifications and fixes to support TAMC
1155       (mainly missing or wrong directives)
1156     o Corrected common blocks when fooling TAMC to produce adjoint I/O
1157       in addummy_in_stepping
1158     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
1159     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
1160     o Included following packages:
1161       cal: calendar
1162       exf: external forcing
1163       ecco: essential routines to control use of cal, exf
1164             (NB: this is not the full ECCO environment)
1165     o disabled some packages by default in genmake
1166    
1167  checkpoint38  checkpoint38
1168   o see notes_c37_adj.txt   o see notes_c37_adj.txt
1169   o corrected wrong layer index in external_forcing_t   o corrected wrong layer index in external_forcing_t

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