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revision 1.47 by heimbach, Tue Aug 21 16:38:41 2001 UTC revision 1.197 by heimbach, Mon Oct 27 23:00:59 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint51o_post
7    o bringing AD-related verif's up to date with genmake2
8      - carbon/
9      - global_ocean.90x40x15/
10      - hs.94.1x64x5/
11      - (front_relax/ )
12    o (more) consistent directory structure for AD-related verif.'s
13    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
14    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
15    o bug fix in find_alpha.F for MDJWF:
16      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
17        change rho -> rho-rhoConst
18      - replace call find_rho to find_rhonum
19    o initialisation of rFlx extended to full array (required by TAF)
20      and shifted to thermodynamics
21    o removed PTRACERS.h in ptracers routine
22    o added surfacetendencyPtr to S/R parameter list pracers_forcing
23    o Correcting initialisations for fVerU, fVerV.
24    o helping TAF to recognize dependency on kUp for
25      fVerU, fVerV
26    o Replacing delZ by delR in pkg/ctrl/
27    checkpoint51o_pre
28    
29    o undid all of cp51 pending some cleanups and discussion
30    o added the [#include "AD_CONFIG.h"] statement to all files that need
31       it for adjoint/tl #defines
32     o re-worked the build logic in genmake2 to support AD_CONFIG.h
33     o removed tools/genmake since it no longer works
34    
35    checkpoint51n_post
36    o modifications to make FREEZE flux visible to pkg/kpp
37      - moved surfaceTendencyTice from pkg/seaice to main code
38      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
39      - subroutine FREEZE now limits only surface temperature
40        (this means new output.txt for global_ocean.90x40x15,
41         global_ocean.cs32x15, and global_with_exf)
42    o added surface flux output variables to TIMEAVE_STATVARS
43    
44    checkpoint51n_pre
45    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
46    o added [#include "AD_CONFIG.h"] to all files that use the following
47      defines:
48      - ALLOW_ADJOINT_RUN
49      - ALLOW_TANGENTLINEAR_RUN
50      - ALLOW_ECCO_OPTIMIZATION
51    
52    checkpoint51m_post
53    o incorporating changes to get TAMC/TAF working in genmake2
54      - added new TAMC/TAF targets to the Makefile
55      - various cleanups related to package handling
56      - these changes should have no impact on the forward model
57    
58    checkpoint51l_post
59    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
60     - faster algorithm for cal_addtime.F
61     - higher precision arithmetic, where needed
62     - pkg/exf *startdate variables changed from calendar date to
63       model integration time
64    
65    checkpoint51l_pre
66    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
67    o enable to apply restoring on S & T only in a latitude band.
68    o update output (external_forcing_surf modif. change truncation errors)
69       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
70    
71    checkpoint51k_post
72    o change default to: useNHMTerms=.FALSE.
73     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
74       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
75     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
76        exp1, ideal_2D_oce
77     - change data file of oceanic exp (leave the results unchanged for now)
78       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
79    o set gravitySign automatically according to the vertical coordinate used
80      (and change sign: back to "logical" value: +1 when R increases downward)
81    o added an include barrier to the default CPP_OPTIONS.h and
82      removed the #include "PACKAGES_CONFIG.h" from it
83    o fix a bug in mom_fluxform (from chk51j_post)
84    
85    checkpoint51j_post
86    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
87    o adjusted some flow directives (dynamics, thermodynamics)
88    o added cubed-sphere case to test cost function
89    o heckpoint_lev?_directives.h now include
90      pkg-specific directives, whenever those are enabled.
91    o Moving pkg-specific flow directives to corresponding pkg
92      Moving pkg-specific differentiation list to corresponding pkg
93      Moving pkg-specific checkpoint-lev storing to corresponding pkg
94      ---> conventions are
95           - pkg_ad.flow
96           - pkg_ad_diff.list
97           - pkg_ad_check_lev?_dir.h
98    
99    checkpoint51i_post
100    o merge of the branch-genmake2
101      - knowingly breaks the older genmake
102      - automatic generation of all ALLOW_${PKG_NAME} defines
103      - new testreport supersedes older testscript
104    o large number of package inclusion and header cleanups
105    checkpoint51i_pre
106    
107    o new output for adjoin of global ocean vector invariant
108    o fix for checkpoint of thermodynamic seaice and bulk_force
109    o Steph gchem various cleanups
110    
111    checkpoint 51h_pre
112    o fixed some single quotes
113    o modify gchem pkg to be more versatile
114    o modifications to clean up dic pkg
115    o add pkg/cfc
116    
117    checkpoint51g_post
118    o provide links for ARPACK and ADM*TLM
119    o start removing verification/vero/
120    o update AD-related stuff
121      (in particular some IF-statements in model/src/ routines)
122    o adding to verification/global_ocean.90x40x15/ adjoint of
123      vector invariant setup
124    
125    checkpoint51f_post
126    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
127    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
128      of tracer Green's fucntions for ocean inversion project.
129    
130    checkpoint51f_pre
131    o Added on-the-fly spatial interpolation capability
132        "USE_EXF_INTERPOLATION" to pkg/exf.
133      - This is a temporary Cartesian-grid hack until
134        the super-duper ESMF coupler becomes available.
135      - See verification/global_with_exf/README for usage example.
136      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
137        flags and modified pkg/seaice accordingly.
138    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
139        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
140        non-local transport term.
141    
142    checkpoint51e_post
143    o pkg/mom_vecinv:
144      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
145      - add time-ave diagnostic of vorticity advection.
146    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
147    o atmospheric geopotential: - include water vapor effect;
148                                - use p^kappa in p* scaling.
149    o land pkg: read initial state from files.
150    o AIM : add stratospheric drag in the upper level
151    
152    checkpoint51d_post
153    o change function ILNBLNK (=> last non-blank char.) to return zero
154      (instead of the string length) when the string. char is empty
155    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
156    o modif's to restore TAMC compatibility
157      - avoid "_d" constructs in PARAMETER declarations
158      - avoid interrupting lines by comment lines
159    o Use cluster local disks for purely local I/O
160      vs. globally visible disks needed for ctrl stuff
161      (merged from ecco-branch)
162      - new active_file_loc... and mdsio_..._loc routines
163      - affected packages: autodiff, ctrl, grdchk, mdsio
164    
165    checkpoint51c_post
166    o introducing integer flag debugLevel
167      - debLevZero: suppress all output
168      - debLevA: standard
169      - debLevB: equivalent to current debugMode=.TRUE.
170    o introducing pathname variable mdsioLocalDir for mdsio
171      that can be specified at runtime
172      (relevant for cluster I/O to local disk)
173    `
174    >>>checkpoint51b_post
175    adjoint of ptracers
176    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
177    o extended state in checkpoint_lev?, etc.
178    o alternative ctrl/cost with tr1 or ptracer
179    o new comlev1_bibj_ptracers
180    o new ptracers.flow
181    o made ptracers_forcing same as external_forcing_s
182    o added verification for adjoint with ptracers
183      - adm. grdchk fail so far
184      - tlm. grdchk OK
185      - checked tapelev/comlev recomputations: OK
186    <<<checkpoint51b_pre
187    
188    checkpoint51a_post
189    o added code for biogeochemistry package
190      - new pkgs: dic, gchem
191      - new subroutine in ptracers
192    o modify code for biogeo packages
193      - in model/src and pkg/ptracers
194    
195    checkpoint51
196    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
197      - autodiff, ctrl, exf, grdchk, seaice
198      kept separate packages
199      - cost, ecco, obcs
200    o updating verification/internal_wave, verification/lab_sea
201      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
202    
203    checkpoint50i_post
204    o Preparing next differentiable checkpoint and sync
205      of MAIN vs. ecco-branch
206      - 1st step: this one is differentiable
207      - 2nd step: next(! not this) checkpoint will have updated packages
208                  from ecco-branch)
209    
210    checkpoint50h_post
211    o new package "land": provide surface BC for AIM.
212    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
213    o AIM: use true log-P extrapolation for near surface temp (= as in
214        F.Molteni paper) ; update aim.5l_cs output.
215    o New variable in PARM03 for more flexible pickups
216    o somewhat cleaned package initialisation sequence for
217      ctrl/ cost/ ecco/ in packages_... routines
218    
219    checkpoint50g_post
220    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
221      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
222      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
223        made the default because of faster convergence than ADI
224    
225    checkpoint50f_post
226    o exf totally restructured
227      - replaced all exf_set_ routines by one generic exf_set_gen.F
228        and made sure it's still differentiable
229      - split exf_getffields.F into new exf_bulkformulae.F
230      - exf_inscal_/exf_outscal_ suffixes consistent with field names
231      - updated adjoint/makefile and relevant verif. accordingly
232    
233    checkpoint50f_pre
234     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
235          + change Evap over land. (update aim.5l_cs output)
236     o added missing .cvsignores and made uniform across expts
237     o changed configuration of tidal_basin_2d expt
238     o added pkg/debug functions for tracing code in fatal crashes
239     o tidied pkg/monitor to use MONITOR_OPTIONS.h
240     o new fn in pkg/monitor to stop model if solution grows too big
241     o removed lots of single quotes from comments
242    
243    checkpoint50e_post
244    o make KPP work with PTRACERS
245     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
246       nearly a copy of kpp_transport_s
247     - there is no analogue to SurfaceTendencyS, so I have to use
248       gPtr(of the surface layer) instead
249    o add a new platform SunFire+mpi (SunFire 15000) to genmake
250    checkpoint50e_pre
251    
252    checkpoint50d_post
253    o change kpp output from multiple-record state files to single-record state
254      files analogous to write_state.F
255    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
256      analogous to the cg2d-related output.
257    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
258      so that writing to internal file fn (with length 512) fails.
259    checkpoint50d_pre
260    
261    checkpoint50c_post
262    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
263    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
264    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
265    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
266    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
267    
268    checkpoint50c_pre
269    Merging from release1_p13:
270    o bug fix for pkg/seaice dynamic solver
271    o Added SEAICE_initialHEFF to pkg/seaice
272    
273    checkpoint50b_post
274    o store u*,v* in gU,V instead of in guNm1,gvNm1
275    o in order to put the momForcing out of the Adams-Bashforth:
276      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
277      to timestep.F
278    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
279    o re-generate output for highly sensitive test-exp:
280       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
281    
282    checkpoint50b_pre
283    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
284    o corrected CPP option mismatch in exf_Bulk... functions for case
285      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
286    
287    checkpoint50a_post
288    o Bug fix for merging between c50 and KPP.
289      ikey was passed from thermodynamics to kpp_calc via
290      common block rather than being recomputed in kpp_calc,
291      in contradiction with new key itdkey.
292      New key ikppkey created, and tamc.h headers updated.
293    
294    checkpoint50
295    - 2nd step of merge with ecco-branch:
296      merge changes in ecco-branch back into main trunk
297    - bug fix in find_alpha
298    - more storing in gmredi_calc_tensor.F, kpp_routines.F
299    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
300    - merged some sliced AD support routines
301    
302    checkpoint49
303    merged from ecco-branch:
304    o exf:
305      - Enable initialisation of forcing fields to constant
306        (runtime) values.
307      - in exf_getffields.F
308        Reduce i-/j-loop to interior domain, discarding overlaps.
309        That also fixes wrong TAF-key computations for key_1, key_2
310        with bulf formulae.
311      - exf_init.F modify #ifdef for exf_init_evap
312      - exf_getffieldrec.F, ctrl_getrec.F
313        The following INT-usages are not safe:
314          fldsecs  = int(fldsecs/fldperiod)*fldperiod
315          fldcount = int(fldsecs/fldperiod) + 1
316        and were modified.
317    o autodiff: checkpoint_lev...
318      - updated storing for bulk formulae (some arrays were missing)
319      - added state for seaice package
320      - synchronized with main branch
321    o DIVA:
322      Modif.s in
323      - the_main_loop.F
324      - the_model_main.F
325      and added cost_final_restore.F cost_final_store.F
326      o With these changes, it is possible to fully separate
327        the first forward run to compute the cost function (mdthe_main_loop)
328        and adjoint runs over individual DIVA intervals (adthe_main_loop)
329        into separate model executions.
330        This enables better tuning of DIVA to given queue sizes.
331      o Loss of cost function value in consecutive DIVA runs is
332        fixed by storing to 'costfinal' file.
333      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
334        beginning/end of adjoint integration is accounted for.
335      The current changes apply to TAF-1.4.26.
336      TAF has one remaining bug, requiring one manual change
337      (see MITgcm manual).
338    o cal: synchronized between MAIN and ecco-branch
339    
340    checkpoint48i_post
341    o Changes to restore differentiability of code w.r.t. previous tag
342      (mostly adding new routines to make list and replacing
343      pressure by totPhiHyd).
344    o Updated and merged grdchk package
345      - has both ADM and TLM checks
346      - works for single- and multi-proc.
347      - output cleaned
348      - worked successfully for parallel DIVA
349    o genmake:
350      - Adding -platform=SP4
351      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
352    o Modif. for DIVA:
353      ctrl_unpack should not be called in intermediate DIVA interval.
354      (similar thing would apply for active files such as
355      tbar, sbar, psbar, which should not be reinitialised;
356      only relevant for ecco-branch)
357    
358    checkpoint48h_post
359    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
360    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
361    o Added SEAICE_initialHEFF to pkg/seaice
362    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
363    
364    checkpoint48g_post
365    --- EOS:
366    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
367      store total Potential in totPhyHyd for diagnostics & EOS.
368    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
369    --- Pressure/geopotential gradient:
370    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
371    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
372      ( changes results of global_ocean_pressure )
373    o NLFS + z-coord.: add eta*Rho' contribution.
374    o accurate phiHyd when using interface-W at the middle between 2 centers
375     ( changes results of ideal_2D_oce )
376    o includes r* 2nd term in potential gradient.
377    
378    checkpoint48f_post
379    Merging from release1_p12:
380    o Modifications for using pkg/exf with pkg/seaice
381      - improved description of the various forcing configurations
382      - added basic radiation bulk formulae to pkg/exf
383      - units/sign fix for evap computation in exf_getffields.F
384      - updated verification/global_with_exf/results/output.txt
385    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
386      (SBO) core products, including oceanic mass, center-of-mass,
387      angular, and bottom pressure (see pkg/sbo/README.sbo).
388    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
389      to avoid negative values in shallow regions.
390      - updated verification/natl_box/results/output.txt
391      - updated verification/lab_sea/results/output.txt
392    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
393    o Added useSingleCpuIO option (see PARAMS.h).
394    o Updated useSingleCpuIO option in mdsio_writefield.F to
395      work with multi-field files, e.g., for single-file pickup.
396    o pkg/seaice:
397      - bug fix in growth.F: QNET for no shortwave case
398      - added HeffFile for specifying initial sea-ice thickness
399      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
400    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
401      kpp_transport_t.F, forward_step.F, and the_main_loop.F
402    o pkg/seaice:
403      - adjoint-friendly modifications
404      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
405    
406    checkpoint48e_post
407    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
408    o dynamics: change definition of computational domain & adapt mom_fluxform
409      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
410    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
411        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
412        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
413        global_ocean.90x40x15 global_with_exf global_ocean_pressure
414        inverted_barometer solid-body.cs-32x32x1
415      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
416    
417    checkpoint48d_post
418    o in preparation for r*:
419     a) use pre-computed gradient of hydrostatic potential:
420        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
421     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
422        => affects results of glob_oce_pressure (different truncation error)  
423      update output.txt of ideal_2D_oce & global_ocean_pressure
424    
425    checkpoint48d_pre
426    o in preparation for r*:
427      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
428      pass the 2 comp. of the grad. as arguments to momentum S/R.
429      but for the moment, only used if it does not change the results.
430    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
431    
432    checkpoint48c_post
433    Modifications in treatment of initial flux forcing controls
434    to avoid extra storing of flux fields.
435    
436    checkpoint48c_pre
437    o Added tidal_basin_2d experiment (currently 1D!)
438    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
439    
440    checkpoint48b_post
441    o r* coordinate added in #ifdef NONLIN_FRSURF block.
442     (modification to pressure gradient not yet implemented)
443    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
444      (for U & V) that are used for vertical advection of momentum.
445    
446    checkpoint48a_post
447    o In preparation for r*, use temp. array to compute vertical transport
448       in flux-form momentum pkg. => change results of few test-exp.
449      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
450                        lab_sea, natl_box & plume_on_slope
451    
452    checkpoint48
453    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
454    
455    checkpoint47j_post
456    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
457    o moved adexch from forward_step to addummy_in_stepping
458    o added exch in ctrl_map_...
459    o aveFreq.=0. at end of cost_final to avoid overwrite in
460      reverse checkpointing loop
461    o Yet more changes in gmredi:
462      * adgmredi_calc_tensor
463        avoiding all recomputation of gmredi_slope_limit
464      * adgmredi_x/y/rtransport
465        added flag for excessive storing to avoid recomp. of
466        u/v/rtans, dTdx/y/z
467        -> this is not really necessary and very memory-consuming
468      * adgmredi_slope_psi:
469        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
470      * gmredi_slope_limit
471        re-activated full calculation of taperfct for case 'ac02'
472    o updating verification/ adjoints of carbon, global_ocean.90x40x15
473    
474    checkpoint47i_post
475    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
476    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
477      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
478    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
479    o gmredi: fix few bugs.
480    
481    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
482    This will be a good checkpoint to plug into the ecco-branch.
483    o few modif.'s to get latest version adjointed
484      (mainly kick out code in ini_linear_phisurf)
485    o modif's to run adjoint with exactConserv
486    o case GM_BOLUS_ADVEC should be cleaned
487      S/R gmredi_slope_psi should be cleaned
488    o verification/carbon now has exactConserv=.TRUE.
489    
490    checkpoint47g_post
491    o time-average AIM output: becomes independent from statvars time-average
492      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
493    o After TAF bug fix:
494      Tested adjoint of gmredi package.
495      Tests were done with checkpoint47 rather than with latest
496      checkpoint47f_post since the latter is broken for the adjoint
497      verification/carbon/ contains both ADM and TLM gradient checks.
498    Here they are, before they get changed/lost/stolen.
499    Mostly modif.'s to fix numerical sensitivities.
500    Gradient checks OK for
501    - GM_taper_scheme:
502      * clipping
503      * ac02
504      * linear
505      * glw91
506      * dm95
507      * ldd97
508    - GMREDI_OPTIONS:
509      * GM_VISBECK_VARIABLE_K
510      * GM_NON_UNITY_DIAGONAL
511      * GM_EXTRA_DIAGONAL
512      * GM_BOLUS_ADVEC
513    in conjunction with data.gmredi parameters to be checked in
514    in a few minutes under verification/carbon/code/
515    
516    checkpoint47f_post
517    Merging from release1_p10:
518    o modifications for using pkg/exf with pkg/seaice
519      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
520        and SEAICE_EXTERNAL_FLUXES
521      - pkg/exf CPP options EXF_READ_EVAP and
522        EXF_NO_BULK_COMPUTATIONS
523      - usage examples are Experiments 8 and 9 in
524        verification/lab_sea/README
525      - verification/lab_sea default experiment now uses
526        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
527    
528    checkpoint47e_post
529    o created a tag prior to creating a branch
530    
531    checkpoint47d_post
532    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
533      at the bottom boundary had an erroneous half slip boundary condition
534    o added bottom drag and no slip boundary condition capabilities to
535      oceanic pressure coordinates code
536    o added new verification experiment global_ocean_pressure, this experiment is
537      also described in the tutorial section of the manual
538    checkpoint47d_pre
539    
540    checkpoint47c_post
541    o Added a verification experiment for a global cubed-sphere ocean run
542      -  verification/global_ocean.cubed32x32x30
543      -  uses pkg/therm_seaice and pkg/bulk_forcing
544    
545    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
546    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
547      when using P-coordinate; only implemented for atmospheric config.
548    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
549      NOTES: requires option NONLIN_FRSURF to be "#define".
550    o update advect_xz/results/output.txt (left from checkpoint44g_post)
551    
552    checkpoint47b_post
553    Merging from release1_p9:
554    o pkg/seaice
555      - removed GOTO's and added taf directives
556      - double precision constants to reduce the g77 (Linux)
557        to F77 (SGI) differences reported in release1_p8
558    o tools/genmake
559      - added SGI options
560    o verification/testscript
561      - updated to that of checkpoint47a_post
562    o verification/global_ocean.90x40x15/input/eedata
563      - modified for SGI f77 compatibility
564    o verification/lab_sea
565      - added description of sea-ice model
566      - added missing matlab routines
567      - added test of thermodynamics parallelization
568    
569    checkpoint47a_post
570    o new pkg: aim_v23
571     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
572       for now, keep the same surface forcing as before.
573     - Part-Cell implemented into AIM; check that Heat & Water are conserved
574     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
575     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
576    o add diagnostic of surface correction term in monitor output
577    
578    o bulk_force and therm_seaice
579    - Two packages:  bulk_force (Bulk forcing)
580      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
581    - Earlier integration from Stephaine Dutkiewicz
582      and Patrick Heimbach.
583    - Two ifdef statements for compile time,
584       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
585    
586    checkpoint47
587    differentiable version of checkpoint46n_post
588    o bug fix in quasihydrostaticterms
589    o * "clean" adjoint code (in terms of extensive recomputations)
590        can now be obtained for all GMREDI options (i.e. for
591        - GM_VISBECK_VARIABLE_K
592        - GM_NON_UNITY_DIAGONAL
593        - GM_EXTRA_DIAGONAL
594        - GM_BOLUS_ADVEC )
595      * However, wrong gradient check problem remains unsolved.
596      * New CPP options have been introduced for different
597        tapering schemes
598    o external_fields_load now part of differentiation list
599    o pressure needs multiple storing;
600      would be nice to have store_pressure at beginning or
601      end of forward_step, e.g. by having phiHyd global (5-dim.)
602      (NB: pressure is needed for certain cases in find_rho,
603      which is also invoked through convective_adjustment).
604    o recomputations in find_rho for cases
605     'JMD95'/'UNESCO' or 'MDJWF' are OK.
606    o #define ATMOSPHERIC_LOADING should be differentiable
607    o ini_forcing shifted to begining of initialise_varia
608    o Incorporating QNVS line search routines into MITgcm
609      (this is separate code, and therefore not under pkg)
610      lsopt/, optim/
611    o Updated verification/carbon/
612      - #define GM_VISBECK_VARIABLE_K
613      - GM_taper_scheme    = 'ldd97'    
614    
615    checkpoint46n_post
616    Merging from release1_p8:
617    o verification/natl_box:
618      updating new external_fields_load routine
619    o New package: pkg/seaice
620      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
621      The sea-ice code is based on Hibler (1979-1980).
622      Two sea-ice dynamic solvers, ADI and LSR, are included.
623      In addition to computing prognostic sea-ice variables and diagnosing
624      the forcing/external data fields that drive the ocean model,
625      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
626      The implied surface heat flux is then stored in variable
627      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
628      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
629      non-local transport term.  Because this call precedes model
630      thermodynamics, temperature under sea-ice may not be "exactly" at
631      the freezing point by the time theta is dumped or time-averaged.
632      N.B.: fairly large differences in accuracy occur across
633            different platforms/compilers; comparison between
634            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
635            generated output gives:
636       T           S           U           V
637      C D M    c        m  s        m  s        m  s        m  s
638      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
639      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
640      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
641    
642      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
643    o GAD:
644      - generated new common blocks to account for call of
645        same gad routines with differing traceridentities
646        (needed to modify tracerIdentity indices in GAD.h)
647      - generated separate common blocks for case useCubedSphereExchange
648        (Department of Futurology)
649      - parameter lists to gmredi_?transport: added tracerIdentity
650      - added new key indices to tamc.h
651    o external_fields_load:
652      - added this routine to TAF list
653      - needed to make some common blocks global and additional storing
654        along the same lines as exf package (checkpoint_lev?_directives.h)
655    o exf:
656      updated external forcing package
657      - bug fixes carried over from ecco-branch
658        (missing OBCS_OPTIONS.h in two routines)
659      - enable easy to use "no forcing".
660      - added exf I/O for atmospheric loading
661      - added exf I/O for runoff data
662      - transfered scaling between exf <-> MITgcm to exf namelist
663    o Adding new verification experiment global_with_exf.
664      This verification experiment is almost identical to the
665      global_ocean.90x40x15 experiment, except that it uses
666      the exf (and cal) package instead of the
667      external_fields_load routine (cf README file).
668    
669    checkpoint46m_post
670    o modified testscript to return -- when there are no lines of "%MON" output
671    o added new flag "quasiHydrostatic" for QH mode
672      and new routine quasihydrostaticterms()
673    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
674      New routine: mom_u_coriolis_nh()
675    o fixed sign of non-hydrostatic metric terms in u and v equations.
676      Depend on correct sign of gravitySign.
677    o added work.pc* to .cvsignore in aim directories using ifc
678    o introduced flag for controllin non-hydrostatic metric terms
679    o removed gravitySign from PARM04
680    o switched to g77/ifc from pgf77 in aim experiments
681    
682    checkpoint46l_post
683    o made convective adjustment work with pressure coordinates:
684     - changed the direction of k-loop in convective_adjustment.F for the
685       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
686     - adjusted the reference pressure k-index in convective_adjustment.F
687     - adjusted the convection condition in convect.F (in analogy to
688       calc_ivdc.F)
689     - convective_adjustment no longer computes anything on the halos
690     - removed the warnings about negative salinity from find_rho.F and
691       find_alpha.F; instead the new routine look_for_neg_salinity, called
692       at the beginning of find_rho, find_alpha, and find_beta, does a
693       check of the entire slice, if CPP-option
694       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
695    checkpoint46l_pre
696    
697    checkpoint46k_post
698    o fixed the verification/global_ocean.90x40x15 experiment:
699     - new bathymetry (the world according to A., JMC, and M.)
700     - new initial fields and forcing fields (*.bin files)
701     - new POLY3.COEFFS (for the next release one should switch to a full
702       equation of state: JMD95P or MDJWF)
703     - fixed several errors and redundancies in the data file
704     - experiment uses looped cells
705     - added matlab directory with diagnostic scripts for plotting of output
706    
707    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
708     - read AIM physics parameters from a file (data.aimphys)
709     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
710    
711    checkpoint46j_post
712    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
713    o move wVel computation at the end of the time step, in S/R integr_continuity
714    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
715    o update timeave pkg for wVel diagnostic.
716    checkpoint46j_pre
717    
718    checkpoint46i_post
719    o Clean up AIM package (and keep the results unchanged):
720      include CPP_OPTION and use IMPLICT NONE in all routines ;
721      declare all the variables _RL ; use _d 0 for all numerical constants.
722      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
723    
724    checkpoint46h_post
725    o cleaned up the use of rhoNil and rhoConst.
726      - rhoNil should only appear in the LINEAR equation of state, everywhere
727        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
728        and the dynamical equations are all divided by rhoConst
729    o introduced new parameter rhoConstFresh, a reference density of fresh
730      water, to remove the fresh water flux's dependence on rhoNil. The default
731      value is 999.8 kg/m^3
732    o cleanup up external_forcing.F and external_forcing_surf.F
733      - can now be used by both OCEANIC and OCEANICP
734    checkpoint46h_pre
735    
736     Added code to convert surface volume flux (fresh water) into
737     a mass flux when using P coordinates in the ocean (OCEANICP).
738     Note: It assumes you have set rho0=rhoConst=density of fresh water.
739    
740    checkpoint46g_post
741    o Include a new diagnostic variable phiHydLow for the ocean model
742      - in z-coordinates, it is the bottom pressure anomaly
743      - in p-coordinates, it is the sea surface elevation
744      - in both cases, these variable have global drift, reflecting the mass
745        drift in z-coordinates and the volume drift in p-coordinates
746      - included time averaging for phiHydLow, be aware of the drift!
747    o depth-dependent computation of Bo_surf for pressure coordinates
748      in the ocean (buoyancyRelation='OCEANICP')
749      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
750        Theta, Salinity, and Pressure in the parameter list. This routine is
751        presently contained in find_rho.F. This routine does not give the
752        correct density for 'POLY3', which would be a z-dependent reference
753        density.
754    o cleaned up find_rho
755      - removed obsolete 'eqn' from the parameter list.
756    o added two new verification experiments: gop and goz
757      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
758    checkpoint46g_pre
759    
760    checkpoint46f_post
761    o Enable tangent linear (forward mode) gradient checks:
762      - extended active file handling to g_... files
763      - added TANGENT_SIMULATION to theSimulationMode
764      - extended grdchk package accordingly
765    o added tangent linear setup in verification/carbon/code_ftl
766    o added adjoint setup in verification/front_relax/code_ad
767    
768    checkpoint46e_post
769    o Added new equation of state -> MDJWF
770      - EOS of McDougall et al., 2002, JAOT, submitted
771      - caveat: the equation of state is only valid for a smaller (more
772        realistic?) range of values than JMD95P/Z and UNESCO
773      - added masks to the calculation of pressure in store_pressure
774      - added more check values for density in check_eos (ini_eos.F), some of
775        the old check values are out of the range of the MDJWF-eos, so don't
776        expect perfect matches for those
777    checkpoint46e_pre
778    
779    checkpoint46d_post
780    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
781      'OCEANICP', also initialised field pressure correctly in ini_eos in the
782      case of pressure coordinates. eosType='JMD95Z' in
783      combination with buoyancyRelation='OCEANICP' now causes an error.
784    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
785      in find_alpha/beta.
786    checkpoint46d_pre
787    
788    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
789      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
790    
791    checkpoint46c_post
792    o Changes necessary for ocean in p-coordinates
793     -  Added new buoyancy relation = 'OCEANICP'
794     -  Added new parameters = gravitySign (this used to be contained inside
795        the factor dRdZ which I added when we first switched to R coordinates).
796     X GM/Redi is not compatible (yet)
797     X bottom drag and no-slip need to be debugged.
798    checkpoint46c_pre
799    
800    checkpoint46b_post
801    o Added new equation of state -> JMD95Z and JMD95P
802      - EOS of Jackett and McDougall, 1995, JAOT
803      - moved all EOS parameters into EOS.h
804      - new routines ini_eos.F, store_pressure.F
805    o Added UNESCO EOS, but not recommended because it requires
806      in-situ temperature (see JMD95)
807    o Modified formatting for knudsen2.f in utils/knudsen2 and added
808      unesco.f to be used with POLY3
809    checkpoint46b_pre
810    
811    checkpoint46a_post
812    o Added (atmospheric) pressure loading
813      - new field in FFIELDS.h, etc...
814      - new cpp flag ATMOSPHERIC_LOADING
815    o Changed hFacC to _hFacC in calc_phi_hyd.F
816    o Added SHORTWAVE_HEATING to some files for consistency
817    checkpoint46a_pre
818    
819    checkpoint46
820    further merges from release1_p5
821    o new ctrl package
822      - adopted from ECCO environment to enable optimization
823      - added Eliassen Palm fluxes to controls
824    o added Eliassen Palm flux controls to gradient check package
825    o cost package
826      - Compatible with new ctrl package
827      - added Eliassen Palm cost hooks
828      - modif's of existing cost functions
829    o Adjoint-related bug fixes in kpp:
830      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
831      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
832    o autodiff package
833      - flow directives:
834        + new for S/R do_the_model_io
835        + enhanced for S/R checkpoint
836        + new gmredi.flow
837      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
838        disable adcommon.h/g_common.h by default.
839      - fixed problem for adjoint of global_max
840    o modified verification/carbon/
841    o New setup for adjoint of global_ocean
842    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
843    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
844    o incorporated hooks for sponge layer code (external_forcing.F)
845    
846    checkpoint45d_post
847    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
848    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
849      (affects plume_on_slope "cg2d" output)
850    o add new parameter deltaTfreesurf for free-surface time stepping
851    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
852    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
853    o change phiMin in exp1 (to agree with documentation)
854    o add new flags:
855     - T,S forcing inside/outside Adams-Bashforth
856     - turn off temp,salt advection and/or forcing
857     - for each tracer, define internal flag for multiDimAdvection & A-B
858    o monitor: change definition of KE to check conservation of Energy
859    
860    checkpoint45c_post
861    o Removed f90 comments ("!")
862    o Modified initialisations to enable exf package for MITgcm
863      (without invoking ECCO_PACKAGE).
864    o modifications to gradient check package (Martin Losch)
865      - enable centered differences
866      - modified format of standard output
867    
868    checkpoint45b_post
869    o cleaned exchange calls in cg2d
870    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
871    o included CPP option SINGLE_LAYER_MODE in thermodynamics
872      to configure barotropic setup (Martin Losch)
873    o moved some initialisations within bi,bj loop in dynamics
874      (TAF flow dependency)
875    o in initialise_varia, moved call packages_init_variables
876      before convective_adjustment_init
877      (corresponding adjustment of TAF tape initialisation).
878    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
879    
880    checkpoint45a_post
881    o compute Rho over the whole domain (extend iMin,jMin indices)
882    o specific exchange for X-slice domain (case Ny=1)
883    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
884    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
885    
886    checkpoint44h_post = checkpoint45
887    o Fix to restore differentiability:
888      place at which packages_init_variables is called in
889      initialise_varia is crucial for reverse control flow.
890    o modifications in GMRedi to enable stable adjoint
891      (corresponding modif's in thermodynamics, dynamics)
892    o added missing hook for sponge layer code in external_forcing
893    o modified test cost functions
894    o storing in gad_advection (plus removal of write(0,*)!
895    o missing headers TR1.h added in convective_adjustment routines
896    o errorMessageUnit set non-equal zero in eeboot
897      (conflict on some platforms, e.g. IBM SP3)
898    o modified carbon verif.
899    
900    checkpoint44h_pre
901    o vertical grid option: allow to put the Interface at the middle between
902      2 cell-centers ; replace delZ in pkg/kpp by drF.
903    o GM Advective form: Tracers are advected using the residual transport (=
904      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
905    
906    checkpoint44g_post
907    o fix surface correction term in multiDimAdvection (affects plume_on_slope
908      results) ; ifdef missing in thermodynamics.F
909    
910    checkpoint44f_pre,checkpoint44f_post
911    o added PTRACERS package
912      This allows an arbitrary number of passive tracers to be integrated
913      forward simultaneously with the dynamicaly model.
914      + Implemented so far:
915        - basic forward algorithm (time-stepping, advection, diffusion, convection)
916        - I/O and checkpointing
917        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
918      + Not implemented so far:
919        - KPP
920        - OBCS
921      + No specific example supplied (yet) but global_ocean.90x40x15 has the
922        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
923        line in data.pkg.
924      + This package is disabled by default since it increases storage.
925    
926    
927    o testscript: added -cleanup option
928    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
929                 b) enable to filter 2D fields.
930    
931    checkpoint44e_pre,post
932    o re-wrote convective adjustment to use pre-calculated weights
933      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
934      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
935      Original calls to convect() still in place.
936    
937    chkpt44d_pre,post
938    o added missing EXCLUDE_MONITOR flags
939    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
940      (incompatible typ in MIN/MAX expressions caused problems
941      on IBM SP3)
942    o in genmake added variable MAKEDEPEND
943      plus resetting for case SunOS
944    o added timer_stats.c routine for IBM SP3
945    o removed variables in dynamics
946    !!! I forgot to create tag chkpt44d_pre !!!
947    !!! But chkpt44d_pre = chkpt44c_post    !!!
948    
949    o real fresh water flux implemented with non-linear free-surface.
950    
951    chkpt44c_pre,post
952    o few fix (mask in shap_s2, EmPmR in external_field_load,
953      USE_NATURAL_BCS in solve_for_P);
954    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
955    
956    checkpoint44b_pre/_post
957    o merge of relevant stuff from the ecco-branch:
958      - genmake: removed $S64 overwrite for case SunOS
959      - pkg/exf: update and corrections for field swapping and obcs
960      - pkg/ecco: parameter lists for the_model_main, the_main_loop
961                  harmonized between ECCO and MITgcm
962      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
963                      updated checkpointing_lev... lists for obcs
964      - model/src: minor changes in forward_step, plot_field
965                   added directive for divided adjoint in the_main_loop
966      - pkg/mdsio: added mdsio_gl_slice
967    
968    o check parameters & config (chkpt44a_pre,post)
969    o OBC and NonLin_FrSurf.
970    
971    checkpoint44
972    o fix bug in mom_vi_del2uv
973    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
974    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
975    o update AIM experiments (NCEP input files)
976    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
977    o added some stuff for AD
978    
979    checkpoint43
980    o added two new advection tests
981    o added global 4x4 degree ocean test
982    o added test of H&S94 with free surface on cube
983    o some final mods for gradient check, adjoint,...
984    
985    checkpoint42
986      Fixed AD-related problems:
987    o Store directives up-to-date with re-arranged Adams-Bashforth
988      (mainly thermodynamics.F)
989    o New store directives for multi-dim. advection schemes
990      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
991      * new common block and key passkey
992      (mainly gad_advection.F)
993    o Modified store directives for split of dynamics/thermodynamics
994      for the case ALLOW_KPP
995    o Cleaned argument list for timestep_tracer.F
996    
997    checkpoint41
998    o re-formatted/added comments in prologues of key subroutines
999      to work with protex
1000    
1001  checkpoint40  checkpoint40
1002  o all changes of checkpoint40pre?  o moved calc_gs, calc_gt and calc_tr1 back to model/src
1003    o added FLT (floats) package from Arne along with demo. experiment
1004    o re-arranged Adams-Bashforth scheme for tracers to allow easier
1005      implementation of forward-in-time forcing terms
1006    o more mods for non-linear free-surface including new variable
1007    o modified multi-dim method to work on cube
1008    o bug fix in KPP (from DM)
1009    
1010    checkpoint40pre9
1011    o added DST advection schemes
1012    o fix MPI bug on SGI's
1013    o modifications for non-linear free-surface
1014    o fixed conditionals for fixed flow/passive tracer only mode
1015    o added tension/strain form of stress tensor
1016    o changes to commenting of arguments for TAF/TAMC
1017    o added/updated many matlab scripts
1018    o added multi-dimensional advection method for tracers
1019      
1020    checkpoint40pre8
1021  o new package rw/  o new package rw/
1022    Added method for dumping intermediate local arrays:    Added method for dumping intermediate local arrays:
1023    mdsio_writetile - same as mdsio_writefield except works from inside    mdsio_writetile - same as mdsio_writefield except works from inside

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