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revision 1.81 by adcroft, Thu Aug 15 17:25:26 2002 UTC revision 1.177 by dimitri, Tue Sep 23 04:34:23 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    untagged
7    o Mods and bug fixes to pkg/cal and pkg/exf needed for computation
8      of tracer Green's fucntions for ocean inversion project.
9    
10    checkpoint51f_pre
11    o Added on-the-fly spatial interpolation capability
12        "USE_EXF_INTERPOLATION" to pkg/exf.
13      - This is a temporary Cartesian-grid hack until
14        the super-duper ESMF coupler becomes available.
15      - See verification/global_with_exf/README for usage example.
16      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
17        flags and modified pkg/seaice accordingly.
18    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
19        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
20        non-local transport term.
21    
22    checkpoint51e_post
23    o pkg/mom_vecinv:
24      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
25      - add time-ave diagnostic of vorticity advection.
26    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
27    o atmospheric geopotential: - include water vapor effect;
28                                - use p^kappa in p* scaling.
29    o land pkg: read initial state from files.
30    o AIM : add stratospheric drag in the upper level
31    
32    checkpoint51d_post
33    o change function ILNBLNK (=> last non-blank char.) to return zero
34      (instead of the string length) when the string. char is empty
35    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
36    o modif's to restore TAMC compatibility
37      - avoid "_d" constructs in PARAMETER declarations
38      - avoid interrupting lines by comment lines
39    o Use cluster local disks for purely local I/O
40      vs. globally visible disks needed for ctrl stuff
41      (merged from ecco-branch)
42      - new active_file_loc... and mdsio_..._loc routines
43      - affected packages: autodiff, ctrl, grdchk, mdsio
44    
45    checkpoint51c_post
46    o introducing integer flag debugLevel
47      - debLevZero: suppress all output
48      - debLevA: standard
49      - debLevB: equivalent to current debugMode=.TRUE.
50    o introducing pathname variable mdsioLocalDir for mdsio
51      that can be specified at runtime
52      (relevant for cluster I/O to local disk)
53    `
54    >>>checkpoint51b_post
55    adjoint of ptracers
56    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
57    o extended state in checkpoint_lev?, etc.
58    o alternative ctrl/cost with tr1 or ptracer
59    o new comlev1_bibj_ptracers
60    o new ptracers.flow
61    o made ptracers_forcing same as external_forcing_s
62    o added verification for adjoint with ptracers
63      - adm. grdchk fail so far
64      - tlm. grdchk OK
65      - checked tapelev/comlev recomputations: OK
66    <<<checkpoint51b_pre
67    
68    checkpoint51a_post
69    o added code for biogeochemistry package
70      - new pkgs: dic, gchem
71      - new subroutine in ptracers
72    o modify code for biogeo packages
73      - in model/src and pkg/ptracers
74    
75    checkpoint51
76    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
77      - autodiff, ctrl, exf, grdchk, seaice
78      kept separate packages
79      - cost, ecco, obcs
80    o updating verification/internal_wave, verification/lab_sea
81      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
82    
83    checkpoint50i_post
84    o Preparing next differentiable checkpoint and sync
85      of MAIN vs. ecco-branch
86      - 1st step: this one is differentiable
87      - 2nd step: next(! not this) checkpoint will have updated packages
88                  from ecco-branch)
89    
90    checkpoint50h_post
91    o new package "land": provide surface BC for AIM.
92    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
93    o AIM: use true log-P extrapolation for near surface temp (= as in
94        F.Molteni paper) ; update aim.5l_cs output.
95    o New variable in PARM03 for more flexible pickups
96    o somewhat cleaned package initialisation sequence for
97      ctrl/ cost/ ecco/ in packages_... routines
98    
99    checkpoint50g_post
100    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
101      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
102      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
103        made the default because of faster convergence than ADI
104    
105    checkpoint50f_post
106    o exf totally restructured
107      - replaced all exf_set_ routines by one generic exf_set_gen.F
108        and made sure it's still differentiable
109      - split exf_getffields.F into new exf_bulkformulae.F
110      - exf_inscal_/exf_outscal_ suffixes consistent with field names
111      - updated adjoint/makefile and relevant verif. accordingly
112    
113    checkpoint50f_pre
114     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
115          + change Evap over land. (update aim.5l_cs output)
116     o added missing .cvsignores and made uniform across expts
117     o changed configuration of tidal_basin_2d expt
118     o added pkg/debug functions for tracing code in fatal crashes
119     o tidied pkg/monitor to use MONITOR_OPTIONS.h
120     o new fn in pkg/monitor to stop model if solution grows too big
121     o removed lots of single quotes from comments
122    
123    checkpoint50e_post
124    o make KPP work with PTRACERS
125     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
126       nearly a copy of kpp_transport_s
127     - there is no analogue to SurfaceTendencyS, so I have to use
128       gPtr(of the surface layer) instead
129    o add a new platform SunFire+mpi (SunFire 15000) to genmake
130    checkpoint50e_pre
131    
132    checkpoint50d_post
133    o change kpp output from multiple-record state files to single-record state
134      files analogous to write_state.F
135    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
136      analogous to the cg2d-related output.
137    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
138      so that writing to internal file fn (with length 512) fails.
139    checkpoint50d_pre
140    
141    checkpoint50c_post
142    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
143    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
144    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
145    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
146    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
147    
148    checkpoint50c_pre
149    Merging from release1_p13:
150    o bug fix for pkg/seaice dynamic solver
151    o Added SEAICE_initialHEFF to pkg/seaice
152    
153    checkpoint50b_post
154    o store u*,v* in gU,V instead of in guNm1,gvNm1
155    o in order to put the momForcing out of the Adams-Bashforth:
156      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
157      to timestep.F
158    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
159    o re-generate output for highly sensitive test-exp:
160       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
161    
162    checkpoint50b_pre
163    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
164    o corrected CPP option mismatch in exf_Bulk... functions for case
165      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
166    
167    checkpoint50a_post
168    o Bug fix for merging between c50 and KPP.
169      ikey was passed from thermodynamics to kpp_calc via
170      common block rather than being recomputed in kpp_calc,
171      in contradiction with new key itdkey.
172      New key ikppkey created, and tamc.h headers updated.
173    
174    checkpoint50
175    - 2nd step of merge with ecco-branch:
176      merge changes in ecco-branch back into main trunk
177    - bug fix in find_alpha
178    - more storing in gmredi_calc_tensor.F, kpp_routines.F
179    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
180    - merged some sliced AD support routines
181    
182    checkpoint49
183    merged from ecco-branch:
184    o exf:
185      - Enable initialisation of forcing fields to constant
186        (runtime) values.
187      - in exf_getffields.F
188        Reduce i-/j-loop to interior domain, discarding overlaps.
189        That also fixes wrong TAF-key computations for key_1, key_2
190        with bulf formulae.
191      - exf_init.F modify #ifdef for exf_init_evap
192      - exf_getffieldrec.F, ctrl_getrec.F
193        The following INT-usages are not safe:
194          fldsecs  = int(fldsecs/fldperiod)*fldperiod
195          fldcount = int(fldsecs/fldperiod) + 1
196        and were modified.
197    o autodiff: checkpoint_lev...
198      - updated storing for bulk formulae (some arrays were missing)
199      - added state for seaice package
200      - synchronized with main branch
201    o DIVA:
202      Modif.s in
203      - the_main_loop.F
204      - the_model_main.F
205      and added cost_final_restore.F cost_final_store.F
206      o With these changes, it is possible to fully separate
207        the first forward run to compute the cost function (mdthe_main_loop)
208        and adjoint runs over individual DIVA intervals (adthe_main_loop)
209        into separate model executions.
210        This enables better tuning of DIVA to given queue sizes.
211      o Loss of cost function value in consecutive DIVA runs is
212        fixed by storing to 'costfinal' file.
213      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
214        beginning/end of adjoint integration is accounted for.
215      The current changes apply to TAF-1.4.26.
216      TAF has one remaining bug, requiring one manual change
217      (see MITgcm manual).
218    o cal: synchronized between MAIN and ecco-branch
219    
220    checkpoint48i_post
221    o Changes to restore differentiability of code w.r.t. previous tag
222      (mostly adding new routines to make list and replacing
223      pressure by totPhiHyd).
224    o Updated and merged grdchk package
225      - has both ADM and TLM checks
226      - works for single- and multi-proc.
227      - output cleaned
228      - worked successfully for parallel DIVA
229    o genmake:
230      - Adding -platform=SP4
231      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
232    o Modif. for DIVA:
233      ctrl_unpack should not be called in intermediate DIVA interval.
234      (similar thing would apply for active files such as
235      tbar, sbar, psbar, which should not be reinitialised;
236      only relevant for ecco-branch)
237    
238    checkpoint48h_post
239    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
240    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
241    o Added SEAICE_initialHEFF to pkg/seaice
242    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
243    
244    checkpoint48g_post
245    --- EOS:
246    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
247      store total Potential in totPhyHyd for diagnostics & EOS.
248    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
249    --- Pressure/geopotential gradient:
250    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
251    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
252      ( changes results of global_ocean_pressure )
253    o NLFS + z-coord.: add eta*Rho' contribution.
254    o accurate phiHyd when using interface-W at the middle between 2 centers
255     ( changes results of ideal_2D_oce )
256    o includes r* 2nd term in potential gradient.
257    
258    checkpoint48f_post
259    Merging from release1_p12:
260    o Modifications for using pkg/exf with pkg/seaice
261      - improved description of the various forcing configurations
262      - added basic radiation bulk formulae to pkg/exf
263      - units/sign fix for evap computation in exf_getffields.F
264      - updated verification/global_with_exf/results/output.txt
265    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
266      (SBO) core products, including oceanic mass, center-of-mass,
267      angular, and bottom pressure (see pkg/sbo/README.sbo).
268    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
269      to avoid negative values in shallow regions.
270      - updated verification/natl_box/results/output.txt
271      - updated verification/lab_sea/results/output.txt
272    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
273    o Added useSingleCpuIO option (see PARAMS.h).
274    o Updated useSingleCpuIO option in mdsio_writefield.F to
275      work with multi-field files, e.g., for single-file pickup.
276    o pkg/seaice:
277      - bug fix in growth.F: QNET for no shortwave case
278      - added HeffFile for specifying initial sea-ice thickness
279      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
280    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
281      kpp_transport_t.F, forward_step.F, and the_main_loop.F
282    o pkg/seaice:
283      - adjoint-friendly modifications
284      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
285    
286    checkpoint48e_post
287    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
288    o dynamics: change definition of computational domain & adapt mom_fluxform
289      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
290    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
291        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
292        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
293        global_ocean.90x40x15 global_with_exf global_ocean_pressure
294        inverted_barometer solid-body.cs-32x32x1
295      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
296    
297    checkpoint48d_post
298    o in preparation for r*:
299     a) use pre-computed gradient of hydrostatic potential:
300        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
301     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
302        => affects results of glob_oce_pressure (different truncation error)  
303      update output.txt of ideal_2D_oce & global_ocean_pressure
304    
305    checkpoint48d_pre
306    o in preparation for r*:
307      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
308      pass the 2 comp. of the grad. as arguments to momentum S/R.
309      but for the moment, only used if it does not change the results.
310    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
311    
312    checkpoint48c_post
313    Modifications in treatment of initial flux forcing controls
314    to avoid extra storing of flux fields.
315    
316    checkpoint48c_pre
317    o Added tidal_basin_2d experiment (currently 1D!)
318    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
319    
320    checkpoint48b_post
321    o r* coordinate added in #ifdef NONLIN_FRSURF block.
322     (modification to pressure gradient not yet implemented)
323    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
324      (for U & V) that are used for vertical advection of momentum.
325    
326    checkpoint48a_post
327    o In preparation for r*, use temp. array to compute vertical transport
328       in flux-form momentum pkg. => change results of few test-exp.
329      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
330                        lab_sea, natl_box & plume_on_slope
331    
332    checkpoint48
333    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
334    
335    checkpoint47j_post
336    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
337    o moved adexch from forward_step to addummy_in_stepping
338    o added exch in ctrl_map_...
339    o aveFreq.=0. at end of cost_final to avoid overwrite in
340      reverse checkpointing loop
341    o Yet more changes in gmredi:
342      * adgmredi_calc_tensor
343        avoiding all recomputation of gmredi_slope_limit
344      * adgmredi_x/y/rtransport
345        added flag for excessive storing to avoid recomp. of
346        u/v/rtans, dTdx/y/z
347        -> this is not really necessary and very memory-consuming
348      * adgmredi_slope_psi:
349        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
350      * gmredi_slope_limit
351        re-activated full calculation of taperfct for case 'ac02'
352    o updating verification/ adjoints of carbon, global_ocean.90x40x15
353    
354    checkpoint47i_post
355    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
356    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
357      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
358    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
359    o gmredi: fix few bugs.
360    
361    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
362    This will be a good checkpoint to plug into the ecco-branch.
363    o few modif.'s to get latest version adjointed
364      (mainly kick out code in ini_linear_phisurf)
365    o modif's to run adjoint with exactConserv
366    o case GM_BOLUS_ADVEC should be cleaned
367      S/R gmredi_slope_psi should be cleaned
368    o verification/carbon now has exactConserv=.TRUE.
369    
370    checkpoint47g_post
371    o time-average AIM output: becomes independent from statvars time-average
372      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
373    o After TAF bug fix:
374      Tested adjoint of gmredi package.
375      Tests were done with checkpoint47 rather than with latest
376      checkpoint47f_post since the latter is broken for the adjoint
377      verification/carbon/ contains both ADM and TLM gradient checks.
378    Here they are, before they get changed/lost/stolen.
379    Mostly modif.'s to fix numerical sensitivities.
380    Gradient checks OK for
381    - GM_taper_scheme:
382      * clipping
383      * ac02
384      * linear
385      * glw91
386      * dm95
387      * ldd97
388    - GMREDI_OPTIONS:
389      * GM_VISBECK_VARIABLE_K
390      * GM_NON_UNITY_DIAGONAL
391      * GM_EXTRA_DIAGONAL
392      * GM_BOLUS_ADVEC
393    in conjunction with data.gmredi parameters to be checked in
394    in a few minutes under verification/carbon/code/
395    
396    checkpoint47f_post
397    Merging from release1_p10:
398    o modifications for using pkg/exf with pkg/seaice
399      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
400        and SEAICE_EXTERNAL_FLUXES
401      - pkg/exf CPP options EXF_READ_EVAP and
402        EXF_NO_BULK_COMPUTATIONS
403      - usage examples are Experiments 8 and 9 in
404        verification/lab_sea/README
405      - verification/lab_sea default experiment now uses
406        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
407    
408    checkpoint47e_post
409    o created a tag prior to creating a branch
410    
411    checkpoint47d_post
412    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
413      at the bottom boundary had an erroneous half slip boundary condition
414    o added bottom drag and no slip boundary condition capabilities to
415      oceanic pressure coordinates code
416    o added new verification experiment global_ocean_pressure, this experiment is
417      also described in the tutorial section of the manual
418    checkpoint47d_pre
419    
420    checkpoint47c_post
421    o Added a verification experiment for a global cubed-sphere ocean run
422      -  verification/global_ocean.cubed32x32x30
423      -  uses pkg/therm_seaice and pkg/bulk_forcing
424    
425    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
426    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
427      when using P-coordinate; only implemented for atmospheric config.
428    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
429      NOTES: requires option NONLIN_FRSURF to be "#define".
430    o update advect_xz/results/output.txt (left from checkpoint44g_post)
431    
432    checkpoint47b_post
433    Merging from release1_p9:
434    o pkg/seaice
435      - removed GOTO's and added taf directives
436      - double precision constants to reduce the g77 (Linux)
437        to F77 (SGI) differences reported in release1_p8
438    o tools/genmake
439      - added SGI options
440    o verification/testscript
441      - updated to that of checkpoint47a_post
442    o verification/global_ocean.90x40x15/input/eedata
443      - modified for SGI f77 compatibility
444    o verification/lab_sea
445      - added description of sea-ice model
446      - added missing matlab routines
447      - added test of thermodynamics parallelization
448    
449    checkpoint47a_post
450    o new pkg: aim_v23
451     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
452       for now, keep the same surface forcing as before.
453     - Part-Cell implemented into AIM; check that Heat & Water are conserved
454     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
455     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
456    o add diagnostic of surface correction term in monitor output
457    
458    o bulk_force and therm_seaice
459    - Two packages:  bulk_force (Bulk forcing)
460      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
461    - Earlier integration from Stephaine Dutkiewicz
462      and Patrick Heimbach.
463    - Two ifdef statements for compile time,
464       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
465    
466    checkpoint47
467    differentiable version of checkpoint46n_post
468    o bug fix in quasihydrostaticterms
469    o * "clean" adjoint code (in terms of extensive recomputations)
470        can now be obtained for all GMREDI options (i.e. for
471        - GM_VISBECK_VARIABLE_K
472        - GM_NON_UNITY_DIAGONAL
473        - GM_EXTRA_DIAGONAL
474        - GM_BOLUS_ADVEC )
475      * However, wrong gradient check problem remains unsolved.
476      * New CPP options have been introduced for different
477        tapering schemes
478    o external_fields_load now part of differentiation list
479    o pressure needs multiple storing;
480      would be nice to have store_pressure at beginning or
481      end of forward_step, e.g. by having phiHyd global (5-dim.)
482      (NB: pressure is needed for certain cases in find_rho,
483      which is also invoked through convective_adjustment).
484    o recomputations in find_rho for cases
485     'JMD95'/'UNESCO' or 'MDJWF' are OK.
486    o #define ATMOSPHERIC_LOADING should be differentiable
487    o ini_forcing shifted to begining of initialise_varia
488    o Incorporating QNVS line search routines into MITgcm
489      (this is separate code, and therefore not under pkg)
490      lsopt/, optim/
491    o Updated verification/carbon/
492      - #define GM_VISBECK_VARIABLE_K
493      - GM_taper_scheme    = 'ldd97'    
494    
495    checkpoint46n_post
496    Merging from release1_p8:
497    o verification/natl_box:
498      updating new external_fields_load routine
499    o New package: pkg/seaice
500      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
501      The sea-ice code is based on Hibler (1979-1980).
502      Two sea-ice dynamic solvers, ADI and LSR, are included.
503      In addition to computing prognostic sea-ice variables and diagnosing
504      the forcing/external data fields that drive the ocean model,
505      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
506      The implied surface heat flux is then stored in variable
507      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
508      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
509      non-local transport term.  Because this call precedes model
510      thermodynamics, temperature under sea-ice may not be "exactly" at
511      the freezing point by the time theta is dumped or time-averaged.
512      N.B.: fairly large differences in accuracy occur across
513            different platforms/compilers; comparison between
514            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
515            generated output gives:
516       T           S           U           V
517      C D M    c        m  s        m  s        m  s        m  s
518      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
519      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
520      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
521    
522      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
523    o GAD:
524      - generated new common blocks to account for call of
525        same gad routines with differing traceridentities
526        (needed to modify tracerIdentity indices in GAD.h)
527      - generated separate common blocks for case useCubedSphereExchange
528        (Department of Futurology)
529      - parameter lists to gmredi_?transport: added tracerIdentity
530      - added new key indices to tamc.h
531    o external_fields_load:
532      - added this routine to TAF list
533      - needed to make some common blocks global and additional storing
534        along the same lines as exf package (checkpoint_lev?_directives.h)
535    o exf:
536      updated external forcing package
537      - bug fixes carried over from ecco-branch
538        (missing OBCS_OPTIONS.h in two routines)
539      - enable easy to use "no forcing".
540      - added exf I/O for atmospheric loading
541      - added exf I/O for runoff data
542      - transfered scaling between exf <-> MITgcm to exf namelist
543    o Adding new verification experiment global_with_exf.
544      This verification experiment is almost identical to the
545      global_ocean.90x40x15 experiment, except that it uses
546      the exf (and cal) package instead of the
547      external_fields_load routine (cf README file).
548    
549    checkpoint46m_post
550    o modified testscript to return -- when there are no lines of "%MON" output
551    o added new flag "quasiHydrostatic" for QH mode
552      and new routine quasihydrostaticterms()
553    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
554      New routine: mom_u_coriolis_nh()
555    o fixed sign of non-hydrostatic metric terms in u and v equations.
556      Depend on correct sign of gravitySign.
557    o added work.pc* to .cvsignore in aim directories using ifc
558    o introduced flag for controllin non-hydrostatic metric terms
559    o removed gravitySign from PARM04
560    o switched to g77/ifc from pgf77 in aim experiments
561    
562    checkpoint46l_post
563    o made convective adjustment work with pressure coordinates:
564     - changed the direction of k-loop in convective_adjustment.F for the
565       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
566     - adjusted the reference pressure k-index in convective_adjustment.F
567     - adjusted the convection condition in convect.F (in analogy to
568       calc_ivdc.F)
569     - convective_adjustment no longer computes anything on the halos
570     - removed the warnings about negative salinity from find_rho.F and
571       find_alpha.F; instead the new routine look_for_neg_salinity, called
572       at the beginning of find_rho, find_alpha, and find_beta, does a
573       check of the entire slice, if CPP-option
574       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
575    checkpoint46l_pre
576    
577    checkpoint46k_post
578    o fixed the verification/global_ocean.90x40x15 experiment:
579     - new bathymetry (the world according to A., JMC, and M.)
580     - new initial fields and forcing fields (*.bin files)
581     - new POLY3.COEFFS (for the next release one should switch to a full
582       equation of state: JMD95P or MDJWF)
583     - fixed several errors and redundancies in the data file
584     - experiment uses looped cells
585     - added matlab directory with diagnostic scripts for plotting of output
586    
587    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
588     - read AIM physics parameters from a file (data.aimphys)
589     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
590    
591    checkpoint46j_post
592    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
593    o move wVel computation at the end of the time step, in S/R integr_continuity
594    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
595    o update timeave pkg for wVel diagnostic.
596    checkpoint46j_pre
597    
598    checkpoint46i_post
599    o Clean up AIM package (and keep the results unchanged):
600      include CPP_OPTION and use IMPLICT NONE in all routines ;
601      declare all the variables _RL ; use _d 0 for all numerical constants.
602      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
603    
604    checkpoint46h_post
605    o cleaned up the use of rhoNil and rhoConst.
606      - rhoNil should only appear in the LINEAR equation of state, everywhere
607        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
608        and the dynamical equations are all divided by rhoConst
609    o introduced new parameter rhoConstFresh, a reference density of fresh
610      water, to remove the fresh water flux's dependence on rhoNil. The default
611      value is 999.8 kg/m^3
612    o cleanup up external_forcing.F and external_forcing_surf.F
613      - can now be used by both OCEANIC and OCEANICP
614    checkpoint46h_pre
615    
616     Added code to convert surface volume flux (fresh water) into
617     a mass flux when using P coordinates in the ocean (OCEANICP).
618     Note: It assumes you have set rho0=rhoConst=density of fresh water.
619    
620    checkpoint46g_post
621    o Include a new diagnostic variable phiHydLow for the ocean model
622      - in z-coordinates, it is the bottom pressure anomaly
623      - in p-coordinates, it is the sea surface elevation
624      - in both cases, these variable have global drift, reflecting the mass
625        drift in z-coordinates and the volume drift in p-coordinates
626      - included time averaging for phiHydLow, be aware of the drift!
627    o depth-dependent computation of Bo_surf for pressure coordinates
628      in the ocean (buoyancyRelation='OCEANICP')
629      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
630        Theta, Salinity, and Pressure in the parameter list. This routine is
631        presently contained in find_rho.F. This routine does not give the
632        correct density for 'POLY3', which would be a z-dependent reference
633        density.
634    o cleaned up find_rho
635      - removed obsolete 'eqn' from the parameter list.
636    o added two new verification experiments: gop and goz
637      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
638    checkpoint46g_pre
639    
640    checkpoint46f_post
641    o Enable tangent linear (forward mode) gradient checks:
642      - extended active file handling to g_... files
643      - added TANGENT_SIMULATION to theSimulationMode
644      - extended grdchk package accordingly
645    o added tangent linear setup in verification/carbon/code_ftl
646    o added adjoint setup in verification/front_relax/code_ad
647    
648    checkpoint46e_post
649    o Added new equation of state -> MDJWF
650      - EOS of McDougall et al., 2002, JAOT, submitted
651      - caveat: the equation of state is only valid for a smaller (more
652        realistic?) range of values than JMD95P/Z and UNESCO
653      - added masks to the calculation of pressure in store_pressure
654      - added more check values for density in check_eos (ini_eos.F), some of
655        the old check values are out of the range of the MDJWF-eos, so don't
656        expect perfect matches for those
657    checkpoint46e_pre
658    
659    checkpoint46d_post
660    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
661      'OCEANICP', also initialised field pressure correctly in ini_eos in the
662      case of pressure coordinates. eosType='JMD95Z' in
663      combination with buoyancyRelation='OCEANICP' now causes an error.
664    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
665      in find_alpha/beta.
666    checkpoint46d_pre
667    
668    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
669      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
670    
671  checkpoint46c_post  checkpoint46c_post
672  o Changes necessary for ocean in p-coordinates  o Changes necessary for ocean in p-coordinates
673   -  Added new buoyancy relation = 'OCEANICP'   -  Added new buoyancy relation = 'OCEANICP'
# Line 14  checkpoint46c_pre Line 679  checkpoint46c_pre
679    
680  checkpoint46b_post  checkpoint46b_post
681  o Added new equation of state -> JMD95Z and JMD95P  o Added new equation of state -> JMD95Z and JMD95P
682    - EOS of Jackett and McDougall, 1995, JPO    - EOS of Jackett and McDougall, 1995, JAOT
683    - moved all EOS parameters into EOS.h    - moved all EOS parameters into EOS.h
684    - new routines ini_eos.F, store_pressure.F    - new routines ini_eos.F, store_pressure.F
685  o Added UNESCO EOS, but not recommended because it requires  o Added UNESCO EOS, but not recommended because it requires

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