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revision 1.80 by mlosch, Wed Aug 7 16:55:52 2002 UTC revision 1.176 by dimitri, Thu Aug 7 02:31:28 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint51f_pre
7    o Added on-the-fly spatial interpolation capability
8        "USE_EXF_INTERPOLATION" to pkg/exf.
9      - This is a temporary Cartesian-grid hack until
10        the super-duper ESMF coupler becomes available.
11      - See verification/global_with_exf/README for usage example.
12      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
13        flags and modified pkg/seaice accordingly.
14    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
15        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
16        non-local transport term.
17    
18    checkpoint51e_post
19    o pkg/mom_vecinv:
20      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
21      - add time-ave diagnostic of vorticity advection.
22    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
23    o atmospheric geopotential: - include water vapor effect;
24                                - use p^kappa in p* scaling.
25    o land pkg: read initial state from files.
26    o AIM : add stratospheric drag in the upper level
27    
28    checkpoint51d_post
29    o change function ILNBLNK (=> last non-blank char.) to return zero
30      (instead of the string length) when the string. char is empty
31    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
32    o modif's to restore TAMC compatibility
33      - avoid "_d" constructs in PARAMETER declarations
34      - avoid interrupting lines by comment lines
35    o Use cluster local disks for purely local I/O
36      vs. globally visible disks needed for ctrl stuff
37      (merged from ecco-branch)
38      - new active_file_loc... and mdsio_..._loc routines
39      - affected packages: autodiff, ctrl, grdchk, mdsio
40    
41    checkpoint51c_post
42    o introducing integer flag debugLevel
43      - debLevZero: suppress all output
44      - debLevA: standard
45      - debLevB: equivalent to current debugMode=.TRUE.
46    o introducing pathname variable mdsioLocalDir for mdsio
47      that can be specified at runtime
48      (relevant for cluster I/O to local disk)
49    `
50    >>>checkpoint51b_post
51    adjoint of ptracers
52    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
53    o extended state in checkpoint_lev?, etc.
54    o alternative ctrl/cost with tr1 or ptracer
55    o new comlev1_bibj_ptracers
56    o new ptracers.flow
57    o made ptracers_forcing same as external_forcing_s
58    o added verification for adjoint with ptracers
59      - adm. grdchk fail so far
60      - tlm. grdchk OK
61      - checked tapelev/comlev recomputations: OK
62    <<<checkpoint51b_pre
63    
64    checkpoint51a_post
65    o added code for biogeochemistry package
66      - new pkgs: dic, gchem
67      - new subroutine in ptracers
68    o modify code for biogeo packages
69      - in model/src and pkg/ptracers
70    
71    checkpoint51
72    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
73      - autodiff, ctrl, exf, grdchk, seaice
74      kept separate packages
75      - cost, ecco, obcs
76    o updating verification/internal_wave, verification/lab_sea
77      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
78    
79    checkpoint50i_post
80    o Preparing next differentiable checkpoint and sync
81      of MAIN vs. ecco-branch
82      - 1st step: this one is differentiable
83      - 2nd step: next(! not this) checkpoint will have updated packages
84                  from ecco-branch)
85    
86    checkpoint50h_post
87    o new package "land": provide surface BC for AIM.
88    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
89    o AIM: use true log-P extrapolation for near surface temp (= as in
90        F.Molteni paper) ; update aim.5l_cs output.
91    o New variable in PARM03 for more flexible pickups
92    o somewhat cleaned package initialisation sequence for
93      ctrl/ cost/ ecco/ in packages_... routines
94    
95    checkpoint50g_post
96    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
97      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
98      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
99        made the default because of faster convergence than ADI
100    
101    checkpoint50f_post
102    o exf totally restructured
103      - replaced all exf_set_ routines by one generic exf_set_gen.F
104        and made sure it's still differentiable
105      - split exf_getffields.F into new exf_bulkformulae.F
106      - exf_inscal_/exf_outscal_ suffixes consistent with field names
107      - updated adjoint/makefile and relevant verif. accordingly
108    
109    checkpoint50f_pre
110     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
111          + change Evap over land. (update aim.5l_cs output)
112     o added missing .cvsignores and made uniform across expts
113     o changed configuration of tidal_basin_2d expt
114     o added pkg/debug functions for tracing code in fatal crashes
115     o tidied pkg/monitor to use MONITOR_OPTIONS.h
116     o new fn in pkg/monitor to stop model if solution grows too big
117     o removed lots of single quotes from comments
118    
119    checkpoint50e_post
120    o make KPP work with PTRACERS
121     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
122       nearly a copy of kpp_transport_s
123     - there is no analogue to SurfaceTendencyS, so I have to use
124       gPtr(of the surface layer) instead
125    o add a new platform SunFire+mpi (SunFire 15000) to genmake
126    checkpoint50e_pre
127    
128    checkpoint50d_post
129    o change kpp output from multiple-record state files to single-record state
130      files analogous to write_state.F
131    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
132      analogous to the cg2d-related output.
133    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
134      so that writing to internal file fn (with length 512) fails.
135    checkpoint50d_pre
136    
137    checkpoint50c_post
138    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
139    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
140    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
141    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
142    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
143    
144    checkpoint50c_pre
145    Merging from release1_p13:
146    o bug fix for pkg/seaice dynamic solver
147    o Added SEAICE_initialHEFF to pkg/seaice
148    
149    checkpoint50b_post
150    o store u*,v* in gU,V instead of in guNm1,gvNm1
151    o in order to put the momForcing out of the Adams-Bashforth:
152      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
153      to timestep.F
154    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
155    o re-generate output for highly sensitive test-exp:
156       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
157    
158    checkpoint50b_pre
159    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
160    o corrected CPP option mismatch in exf_Bulk... functions for case
161      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
162    
163    checkpoint50a_post
164    o Bug fix for merging between c50 and KPP.
165      ikey was passed from thermodynamics to kpp_calc via
166      common block rather than being recomputed in kpp_calc,
167      in contradiction with new key itdkey.
168      New key ikppkey created, and tamc.h headers updated.
169    
170    checkpoint50
171    - 2nd step of merge with ecco-branch:
172      merge changes in ecco-branch back into main trunk
173    - bug fix in find_alpha
174    - more storing in gmredi_calc_tensor.F, kpp_routines.F
175    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
176    - merged some sliced AD support routines
177    
178    checkpoint49
179    merged from ecco-branch:
180    o exf:
181      - Enable initialisation of forcing fields to constant
182        (runtime) values.
183      - in exf_getffields.F
184        Reduce i-/j-loop to interior domain, discarding overlaps.
185        That also fixes wrong TAF-key computations for key_1, key_2
186        with bulf formulae.
187      - exf_init.F modify #ifdef for exf_init_evap
188      - exf_getffieldrec.F, ctrl_getrec.F
189        The following INT-usages are not safe:
190          fldsecs  = int(fldsecs/fldperiod)*fldperiod
191          fldcount = int(fldsecs/fldperiod) + 1
192        and were modified.
193    o autodiff: checkpoint_lev...
194      - updated storing for bulk formulae (some arrays were missing)
195      - added state for seaice package
196      - synchronized with main branch
197    o DIVA:
198      Modif.s in
199      - the_main_loop.F
200      - the_model_main.F
201      and added cost_final_restore.F cost_final_store.F
202      o With these changes, it is possible to fully separate
203        the first forward run to compute the cost function (mdthe_main_loop)
204        and adjoint runs over individual DIVA intervals (adthe_main_loop)
205        into separate model executions.
206        This enables better tuning of DIVA to given queue sizes.
207      o Loss of cost function value in consecutive DIVA runs is
208        fixed by storing to 'costfinal' file.
209      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
210        beginning/end of adjoint integration is accounted for.
211      The current changes apply to TAF-1.4.26.
212      TAF has one remaining bug, requiring one manual change
213      (see MITgcm manual).
214    o cal: synchronized between MAIN and ecco-branch
215    
216    checkpoint48i_post
217    o Changes to restore differentiability of code w.r.t. previous tag
218      (mostly adding new routines to make list and replacing
219      pressure by totPhiHyd).
220    o Updated and merged grdchk package
221      - has both ADM and TLM checks
222      - works for single- and multi-proc.
223      - output cleaned
224      - worked successfully for parallel DIVA
225    o genmake:
226      - Adding -platform=SP4
227      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
228    o Modif. for DIVA:
229      ctrl_unpack should not be called in intermediate DIVA interval.
230      (similar thing would apply for active files such as
231      tbar, sbar, psbar, which should not be reinitialised;
232      only relevant for ecco-branch)
233    
234    checkpoint48h_post
235    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
236    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
237    o Added SEAICE_initialHEFF to pkg/seaice
238    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
239    
240    checkpoint48g_post
241    --- EOS:
242    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
243      store total Potential in totPhyHyd for diagnostics & EOS.
244    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
245    --- Pressure/geopotential gradient:
246    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
247    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
248      ( changes results of global_ocean_pressure )
249    o NLFS + z-coord.: add eta*Rho' contribution.
250    o accurate phiHyd when using interface-W at the middle between 2 centers
251     ( changes results of ideal_2D_oce )
252    o includes r* 2nd term in potential gradient.
253    
254    checkpoint48f_post
255    Merging from release1_p12:
256    o Modifications for using pkg/exf with pkg/seaice
257      - improved description of the various forcing configurations
258      - added basic radiation bulk formulae to pkg/exf
259      - units/sign fix for evap computation in exf_getffields.F
260      - updated verification/global_with_exf/results/output.txt
261    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
262      (SBO) core products, including oceanic mass, center-of-mass,
263      angular, and bottom pressure (see pkg/sbo/README.sbo).
264    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
265      to avoid negative values in shallow regions.
266      - updated verification/natl_box/results/output.txt
267      - updated verification/lab_sea/results/output.txt
268    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
269    o Added useSingleCpuIO option (see PARAMS.h).
270    o Updated useSingleCpuIO option in mdsio_writefield.F to
271      work with multi-field files, e.g., for single-file pickup.
272    o pkg/seaice:
273      - bug fix in growth.F: QNET for no shortwave case
274      - added HeffFile for specifying initial sea-ice thickness
275      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
276    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
277      kpp_transport_t.F, forward_step.F, and the_main_loop.F
278    o pkg/seaice:
279      - adjoint-friendly modifications
280      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
281    
282    checkpoint48e_post
283    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
284    o dynamics: change definition of computational domain & adapt mom_fluxform
285      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
286    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
287        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
288        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
289        global_ocean.90x40x15 global_with_exf global_ocean_pressure
290        inverted_barometer solid-body.cs-32x32x1
291      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
292    
293    checkpoint48d_post
294    o in preparation for r*:
295     a) use pre-computed gradient of hydrostatic potential:
296        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
297     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
298        => affects results of glob_oce_pressure (different truncation error)  
299      update output.txt of ideal_2D_oce & global_ocean_pressure
300    
301    checkpoint48d_pre
302    o in preparation for r*:
303      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
304      pass the 2 comp. of the grad. as arguments to momentum S/R.
305      but for the moment, only used if it does not change the results.
306    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
307    
308    checkpoint48c_post
309    Modifications in treatment of initial flux forcing controls
310    to avoid extra storing of flux fields.
311    
312    checkpoint48c_pre
313    o Added tidal_basin_2d experiment (currently 1D!)
314    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
315    
316    checkpoint48b_post
317    o r* coordinate added in #ifdef NONLIN_FRSURF block.
318     (modification to pressure gradient not yet implemented)
319    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
320      (for U & V) that are used for vertical advection of momentum.
321    
322    checkpoint48a_post
323    o In preparation for r*, use temp. array to compute vertical transport
324       in flux-form momentum pkg. => change results of few test-exp.
325      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
326                        lab_sea, natl_box & plume_on_slope
327    
328    checkpoint48
329    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
330    
331    checkpoint47j_post
332    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
333    o moved adexch from forward_step to addummy_in_stepping
334    o added exch in ctrl_map_...
335    o aveFreq.=0. at end of cost_final to avoid overwrite in
336      reverse checkpointing loop
337    o Yet more changes in gmredi:
338      * adgmredi_calc_tensor
339        avoiding all recomputation of gmredi_slope_limit
340      * adgmredi_x/y/rtransport
341        added flag for excessive storing to avoid recomp. of
342        u/v/rtans, dTdx/y/z
343        -> this is not really necessary and very memory-consuming
344      * adgmredi_slope_psi:
345        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
346      * gmredi_slope_limit
347        re-activated full calculation of taperfct for case 'ac02'
348    o updating verification/ adjoints of carbon, global_ocean.90x40x15
349    
350    checkpoint47i_post
351    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
352    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
353      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
354    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
355    o gmredi: fix few bugs.
356    
357    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
358    This will be a good checkpoint to plug into the ecco-branch.
359    o few modif.'s to get latest version adjointed
360      (mainly kick out code in ini_linear_phisurf)
361    o modif's to run adjoint with exactConserv
362    o case GM_BOLUS_ADVEC should be cleaned
363      S/R gmredi_slope_psi should be cleaned
364    o verification/carbon now has exactConserv=.TRUE.
365    
366    checkpoint47g_post
367    o time-average AIM output: becomes independent from statvars time-average
368      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
369    o After TAF bug fix:
370      Tested adjoint of gmredi package.
371      Tests were done with checkpoint47 rather than with latest
372      checkpoint47f_post since the latter is broken for the adjoint
373      verification/carbon/ contains both ADM and TLM gradient checks.
374    Here they are, before they get changed/lost/stolen.
375    Mostly modif.'s to fix numerical sensitivities.
376    Gradient checks OK for
377    - GM_taper_scheme:
378      * clipping
379      * ac02
380      * linear
381      * glw91
382      * dm95
383      * ldd97
384    - GMREDI_OPTIONS:
385      * GM_VISBECK_VARIABLE_K
386      * GM_NON_UNITY_DIAGONAL
387      * GM_EXTRA_DIAGONAL
388      * GM_BOLUS_ADVEC
389    in conjunction with data.gmredi parameters to be checked in
390    in a few minutes under verification/carbon/code/
391    
392    checkpoint47f_post
393    Merging from release1_p10:
394    o modifications for using pkg/exf with pkg/seaice
395      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
396        and SEAICE_EXTERNAL_FLUXES
397      - pkg/exf CPP options EXF_READ_EVAP and
398        EXF_NO_BULK_COMPUTATIONS
399      - usage examples are Experiments 8 and 9 in
400        verification/lab_sea/README
401      - verification/lab_sea default experiment now uses
402        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
403    
404    checkpoint47e_post
405    o created a tag prior to creating a branch
406    
407    checkpoint47d_post
408    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
409      at the bottom boundary had an erroneous half slip boundary condition
410    o added bottom drag and no slip boundary condition capabilities to
411      oceanic pressure coordinates code
412    o added new verification experiment global_ocean_pressure, this experiment is
413      also described in the tutorial section of the manual
414    checkpoint47d_pre
415    
416    checkpoint47c_post
417    o Added a verification experiment for a global cubed-sphere ocean run
418      -  verification/global_ocean.cubed32x32x30
419      -  uses pkg/therm_seaice and pkg/bulk_forcing
420    
421    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
422    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
423      when using P-coordinate; only implemented for atmospheric config.
424    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
425      NOTES: requires option NONLIN_FRSURF to be "#define".
426    o update advect_xz/results/output.txt (left from checkpoint44g_post)
427    
428    checkpoint47b_post
429    Merging from release1_p9:
430    o pkg/seaice
431      - removed GOTO's and added taf directives
432      - double precision constants to reduce the g77 (Linux)
433        to F77 (SGI) differences reported in release1_p8
434    o tools/genmake
435      - added SGI options
436    o verification/testscript
437      - updated to that of checkpoint47a_post
438    o verification/global_ocean.90x40x15/input/eedata
439      - modified for SGI f77 compatibility
440    o verification/lab_sea
441      - added description of sea-ice model
442      - added missing matlab routines
443      - added test of thermodynamics parallelization
444    
445    checkpoint47a_post
446    o new pkg: aim_v23
447     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
448       for now, keep the same surface forcing as before.
449     - Part-Cell implemented into AIM; check that Heat & Water are conserved
450     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
451     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
452    o add diagnostic of surface correction term in monitor output
453    
454    o bulk_force and therm_seaice
455    - Two packages:  bulk_force (Bulk forcing)
456      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
457    - Earlier integration from Stephaine Dutkiewicz
458      and Patrick Heimbach.
459    - Two ifdef statements for compile time,
460       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
461    
462    checkpoint47
463    differentiable version of checkpoint46n_post
464    o bug fix in quasihydrostaticterms
465    o * "clean" adjoint code (in terms of extensive recomputations)
466        can now be obtained for all GMREDI options (i.e. for
467        - GM_VISBECK_VARIABLE_K
468        - GM_NON_UNITY_DIAGONAL
469        - GM_EXTRA_DIAGONAL
470        - GM_BOLUS_ADVEC )
471      * However, wrong gradient check problem remains unsolved.
472      * New CPP options have been introduced for different
473        tapering schemes
474    o external_fields_load now part of differentiation list
475    o pressure needs multiple storing;
476      would be nice to have store_pressure at beginning or
477      end of forward_step, e.g. by having phiHyd global (5-dim.)
478      (NB: pressure is needed for certain cases in find_rho,
479      which is also invoked through convective_adjustment).
480    o recomputations in find_rho for cases
481     'JMD95'/'UNESCO' or 'MDJWF' are OK.
482    o #define ATMOSPHERIC_LOADING should be differentiable
483    o ini_forcing shifted to begining of initialise_varia
484    o Incorporating QNVS line search routines into MITgcm
485      (this is separate code, and therefore not under pkg)
486      lsopt/, optim/
487    o Updated verification/carbon/
488      - #define GM_VISBECK_VARIABLE_K
489      - GM_taper_scheme    = 'ldd97'    
490    
491    checkpoint46n_post
492    Merging from release1_p8:
493    o verification/natl_box:
494      updating new external_fields_load routine
495    o New package: pkg/seaice
496      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
497      The sea-ice code is based on Hibler (1979-1980).
498      Two sea-ice dynamic solvers, ADI and LSR, are included.
499      In addition to computing prognostic sea-ice variables and diagnosing
500      the forcing/external data fields that drive the ocean model,
501      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
502      The implied surface heat flux is then stored in variable
503      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
504      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
505      non-local transport term.  Because this call precedes model
506      thermodynamics, temperature under sea-ice may not be "exactly" at
507      the freezing point by the time theta is dumped or time-averaged.
508      N.B.: fairly large differences in accuracy occur across
509            different platforms/compilers; comparison between
510            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
511            generated output gives:
512       T           S           U           V
513      C D M    c        m  s        m  s        m  s        m  s
514      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
515      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
516      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
517    
518      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
519    o GAD:
520      - generated new common blocks to account for call of
521        same gad routines with differing traceridentities
522        (needed to modify tracerIdentity indices in GAD.h)
523      - generated separate common blocks for case useCubedSphereExchange
524        (Department of Futurology)
525      - parameter lists to gmredi_?transport: added tracerIdentity
526      - added new key indices to tamc.h
527    o external_fields_load:
528      - added this routine to TAF list
529      - needed to make some common blocks global and additional storing
530        along the same lines as exf package (checkpoint_lev?_directives.h)
531    o exf:
532      updated external forcing package
533      - bug fixes carried over from ecco-branch
534        (missing OBCS_OPTIONS.h in two routines)
535      - enable easy to use "no forcing".
536      - added exf I/O for atmospheric loading
537      - added exf I/O for runoff data
538      - transfered scaling between exf <-> MITgcm to exf namelist
539    o Adding new verification experiment global_with_exf.
540      This verification experiment is almost identical to the
541      global_ocean.90x40x15 experiment, except that it uses
542      the exf (and cal) package instead of the
543      external_fields_load routine (cf README file).
544    
545    checkpoint46m_post
546    o modified testscript to return -- when there are no lines of "%MON" output
547    o added new flag "quasiHydrostatic" for QH mode
548      and new routine quasihydrostaticterms()
549    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
550      New routine: mom_u_coriolis_nh()
551    o fixed sign of non-hydrostatic metric terms in u and v equations.
552      Depend on correct sign of gravitySign.
553    o added work.pc* to .cvsignore in aim directories using ifc
554    o introduced flag for controllin non-hydrostatic metric terms
555    o removed gravitySign from PARM04
556    o switched to g77/ifc from pgf77 in aim experiments
557    
558    checkpoint46l_post
559    o made convective adjustment work with pressure coordinates:
560     - changed the direction of k-loop in convective_adjustment.F for the
561       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
562     - adjusted the reference pressure k-index in convective_adjustment.F
563     - adjusted the convection condition in convect.F (in analogy to
564       calc_ivdc.F)
565     - convective_adjustment no longer computes anything on the halos
566     - removed the warnings about negative salinity from find_rho.F and
567       find_alpha.F; instead the new routine look_for_neg_salinity, called
568       at the beginning of find_rho, find_alpha, and find_beta, does a
569       check of the entire slice, if CPP-option
570       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
571    checkpoint46l_pre
572    
573    checkpoint46k_post
574    o fixed the verification/global_ocean.90x40x15 experiment:
575     - new bathymetry (the world according to A., JMC, and M.)
576     - new initial fields and forcing fields (*.bin files)
577     - new POLY3.COEFFS (for the next release one should switch to a full
578       equation of state: JMD95P or MDJWF)
579     - fixed several errors and redundancies in the data file
580     - experiment uses looped cells
581     - added matlab directory with diagnostic scripts for plotting of output
582    
583    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
584     - read AIM physics parameters from a file (data.aimphys)
585     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
586    
587    checkpoint46j_post
588    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
589    o move wVel computation at the end of the time step, in S/R integr_continuity
590    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
591    o update timeave pkg for wVel diagnostic.
592    checkpoint46j_pre
593    
594    checkpoint46i_post
595    o Clean up AIM package (and keep the results unchanged):
596      include CPP_OPTION and use IMPLICT NONE in all routines ;
597      declare all the variables _RL ; use _d 0 for all numerical constants.
598      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
599    
600    checkpoint46h_post
601    o cleaned up the use of rhoNil and rhoConst.
602      - rhoNil should only appear in the LINEAR equation of state, everywhere
603        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
604        and the dynamical equations are all divided by rhoConst
605    o introduced new parameter rhoConstFresh, a reference density of fresh
606      water, to remove the fresh water flux's dependence on rhoNil. The default
607      value is 999.8 kg/m^3
608    o cleanup up external_forcing.F and external_forcing_surf.F
609      - can now be used by both OCEANIC and OCEANICP
610    checkpoint46h_pre
611    
612     Added code to convert surface volume flux (fresh water) into
613     a mass flux when using P coordinates in the ocean (OCEANICP).
614     Note: It assumes you have set rho0=rhoConst=density of fresh water.
615    
616    checkpoint46g_post
617    o Include a new diagnostic variable phiHydLow for the ocean model
618      - in z-coordinates, it is the bottom pressure anomaly
619      - in p-coordinates, it is the sea surface elevation
620      - in both cases, these variable have global drift, reflecting the mass
621        drift in z-coordinates and the volume drift in p-coordinates
622      - included time averaging for phiHydLow, be aware of the drift!
623    o depth-dependent computation of Bo_surf for pressure coordinates
624      in the ocean (buoyancyRelation='OCEANICP')
625      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
626        Theta, Salinity, and Pressure in the parameter list. This routine is
627        presently contained in find_rho.F. This routine does not give the
628        correct density for 'POLY3', which would be a z-dependent reference
629        density.
630    o cleaned up find_rho
631      - removed obsolete 'eqn' from the parameter list.
632    o added two new verification experiments: gop and goz
633      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
634    checkpoint46g_pre
635    
636    checkpoint46f_post
637    o Enable tangent linear (forward mode) gradient checks:
638      - extended active file handling to g_... files
639      - added TANGENT_SIMULATION to theSimulationMode
640      - extended grdchk package accordingly
641    o added tangent linear setup in verification/carbon/code_ftl
642    o added adjoint setup in verification/front_relax/code_ad
643    
644    checkpoint46e_post
645    o Added new equation of state -> MDJWF
646      - EOS of McDougall et al., 2002, JAOT, submitted
647      - caveat: the equation of state is only valid for a smaller (more
648        realistic?) range of values than JMD95P/Z and UNESCO
649      - added masks to the calculation of pressure in store_pressure
650      - added more check values for density in check_eos (ini_eos.F), some of
651        the old check values are out of the range of the MDJWF-eos, so don't
652        expect perfect matches for those
653    checkpoint46e_pre
654    
655    checkpoint46d_post
656    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
657      'OCEANICP', also initialised field pressure correctly in ini_eos in the
658      case of pressure coordinates. eosType='JMD95Z' in
659      combination with buoyancyRelation='OCEANICP' now causes an error.
660    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
661      in find_alpha/beta.
662    checkpoint46d_pre
663    
664    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
665      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
666    
667    checkpoint46c_post
668    o Changes necessary for ocean in p-coordinates
669     -  Added new buoyancy relation = 'OCEANICP'
670     -  Added new parameters = gravitySign (this used to be contained inside
671        the factor dRdZ which I added when we first switched to R coordinates).
672     X GM/Redi is not compatible (yet)
673     X bottom drag and no-slip need to be debugged.
674    checkpoint46c_pre
675    
676  checkpoint46b_post  checkpoint46b_post
677  o Added new equation of state -> JMD95Z and JMD95P  o Added new equation of state -> JMD95Z and JMD95P
678    - EOS of Jackett and McDougall, 1995, JPO    - EOS of Jackett and McDougall, 1995, JAOT
679    - moved all EOS parameters into EOS.h    - moved all EOS parameters into EOS.h
680    - new routines ini_eos.F, store_pressure.F    - new routines ini_eos.F, store_pressure.F
681  o Added UNESCO EOS, but not recommended because it requires  o Added UNESCO EOS, but not recommended because it requires

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