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revision 1.66 by jmc, Tue Mar 5 15:36:06 2002 UTC revision 1.189 by dimitri, Mon Oct 20 06:25:15 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint51l_post
7    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
8     - faster algorithm for cal_addtime.F
9     - higher precision arithmetic, where needed
10     - pkg/exf *startdate variables changed from calendar date to
11       model integration time
12    
13    checkpoint51l_pre
14    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
15    o enable to apply restoring on S & T only in a latitude band.
16    o update output (external_forcing_surf modif. change truncation errors)
17       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
18    
19    checkpoint51k_post
20    o change default to: useNHMTerms=.FALSE.
21     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
22       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
23     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
24        exp1, ideal_2D_oce
25     - change data file of oceanic exp (leave the results unchanged for now)
26       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
27    o set gravitySign automatically according to the vertical coordinate used
28      (and change sign: back to "logical" value: +1 when R increases downward)
29    o added an include barrier to the default CPP_OPTIONS.h and
30      removed the #include "PACKAGES_CONFIG.h" from it
31    o fix a bug in mom_fluxform (from chk51j_post)
32    
33    checkpoint51j_post
34    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
35    o adjusted some flow directives (dynamics, thermodynamics)
36    o added cubed-sphere case to test cost function
37    o heckpoint_lev?_directives.h now include
38      pkg-specific directives, whenever those are enabled.
39    o Moving pkg-specific flow directives to corresponding pkg
40      Moving pkg-specific differentiation list to corresponding pkg
41      Moving pkg-specific checkpoint-lev storing to corresponding pkg
42      ---> conventions are
43           - pkg_ad.flow
44           - pkg_ad_diff.list
45           - pkg_ad_check_lev?_dir.h
46    
47    checkpoint51i_post
48    o merge of the branch-genmake2
49      - knowingly breaks the older genmake
50      - automatic generation of all ALLOW_${PKG_NAME} defines
51      - new testreport supersedes older testscript
52    o large number of package inclusion and header cleanups
53    checkpoint51i_pre
54    
55    o new output for adjoin of global ocean vector invariant
56    o fix for checkpoint of thermodynamic seaice and bulk_force
57    o Steph gchem various cleanups
58    
59    checkpoint 51h_pre
60    o fixed some single quotes
61    o modify gchem pkg to be more versatile
62    o modifications to clean up dic pkg
63    o add pkg/cfc
64    
65    checkpoint51g_post
66    o provide links for ARPACK and ADM*TLM
67    o start removing verification/vero/
68    o update AD-related stuff
69      (in particular some IF-statements in model/src/ routines)
70    o adding to verification/global_ocean.90x40x15/ adjoint of
71      vector invariant setup
72    
73    checkpoint51f_post
74    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
75    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
76      of tracer Green's fucntions for ocean inversion project.
77    
78    checkpoint51f_pre
79    o Added on-the-fly spatial interpolation capability
80        "USE_EXF_INTERPOLATION" to pkg/exf.
81      - This is a temporary Cartesian-grid hack until
82        the super-duper ESMF coupler becomes available.
83      - See verification/global_with_exf/README for usage example.
84      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
85        flags and modified pkg/seaice accordingly.
86    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
87        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
88        non-local transport term.
89    
90    checkpoint51e_post
91    o pkg/mom_vecinv:
92      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
93      - add time-ave diagnostic of vorticity advection.
94    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
95    o atmospheric geopotential: - include water vapor effect;
96                                - use p^kappa in p* scaling.
97    o land pkg: read initial state from files.
98    o AIM : add stratospheric drag in the upper level
99    
100    checkpoint51d_post
101    o change function ILNBLNK (=> last non-blank char.) to return zero
102      (instead of the string length) when the string. char is empty
103    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
104    o modif's to restore TAMC compatibility
105      - avoid "_d" constructs in PARAMETER declarations
106      - avoid interrupting lines by comment lines
107    o Use cluster local disks for purely local I/O
108      vs. globally visible disks needed for ctrl stuff
109      (merged from ecco-branch)
110      - new active_file_loc... and mdsio_..._loc routines
111      - affected packages: autodiff, ctrl, grdchk, mdsio
112    
113    checkpoint51c_post
114    o introducing integer flag debugLevel
115      - debLevZero: suppress all output
116      - debLevA: standard
117      - debLevB: equivalent to current debugMode=.TRUE.
118    o introducing pathname variable mdsioLocalDir for mdsio
119      that can be specified at runtime
120      (relevant for cluster I/O to local disk)
121    `
122    >>>checkpoint51b_post
123    adjoint of ptracers
124    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
125    o extended state in checkpoint_lev?, etc.
126    o alternative ctrl/cost with tr1 or ptracer
127    o new comlev1_bibj_ptracers
128    o new ptracers.flow
129    o made ptracers_forcing same as external_forcing_s
130    o added verification for adjoint with ptracers
131      - adm. grdchk fail so far
132      - tlm. grdchk OK
133      - checked tapelev/comlev recomputations: OK
134    <<<checkpoint51b_pre
135    
136    checkpoint51a_post
137    o added code for biogeochemistry package
138      - new pkgs: dic, gchem
139      - new subroutine in ptracers
140    o modify code for biogeo packages
141      - in model/src and pkg/ptracers
142    
143    checkpoint51
144    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
145      - autodiff, ctrl, exf, grdchk, seaice
146      kept separate packages
147      - cost, ecco, obcs
148    o updating verification/internal_wave, verification/lab_sea
149      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
150    
151    checkpoint50i_post
152    o Preparing next differentiable checkpoint and sync
153      of MAIN vs. ecco-branch
154      - 1st step: this one is differentiable
155      - 2nd step: next(! not this) checkpoint will have updated packages
156                  from ecco-branch)
157    
158    checkpoint50h_post
159    o new package "land": provide surface BC for AIM.
160    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
161    o AIM: use true log-P extrapolation for near surface temp (= as in
162        F.Molteni paper) ; update aim.5l_cs output.
163    o New variable in PARM03 for more flexible pickups
164    o somewhat cleaned package initialisation sequence for
165      ctrl/ cost/ ecco/ in packages_... routines
166    
167    checkpoint50g_post
168    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
169      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
170      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
171        made the default because of faster convergence than ADI
172    
173    checkpoint50f_post
174    o exf totally restructured
175      - replaced all exf_set_ routines by one generic exf_set_gen.F
176        and made sure it's still differentiable
177      - split exf_getffields.F into new exf_bulkformulae.F
178      - exf_inscal_/exf_outscal_ suffixes consistent with field names
179      - updated adjoint/makefile and relevant verif. accordingly
180    
181    checkpoint50f_pre
182     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
183          + change Evap over land. (update aim.5l_cs output)
184     o added missing .cvsignores and made uniform across expts
185     o changed configuration of tidal_basin_2d expt
186     o added pkg/debug functions for tracing code in fatal crashes
187     o tidied pkg/monitor to use MONITOR_OPTIONS.h
188     o new fn in pkg/monitor to stop model if solution grows too big
189     o removed lots of single quotes from comments
190    
191    checkpoint50e_post
192    o make KPP work with PTRACERS
193     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
194       nearly a copy of kpp_transport_s
195     - there is no analogue to SurfaceTendencyS, so I have to use
196       gPtr(of the surface layer) instead
197    o add a new platform SunFire+mpi (SunFire 15000) to genmake
198    checkpoint50e_pre
199    
200    checkpoint50d_post
201    o change kpp output from multiple-record state files to single-record state
202      files analogous to write_state.F
203    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
204      analogous to the cg2d-related output.
205    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
206      so that writing to internal file fn (with length 512) fails.
207    checkpoint50d_pre
208    
209    checkpoint50c_post
210    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
211    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
212    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
213    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
214    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
215    
216    checkpoint50c_pre
217    Merging from release1_p13:
218    o bug fix for pkg/seaice dynamic solver
219    o Added SEAICE_initialHEFF to pkg/seaice
220    
221    checkpoint50b_post
222    o store u*,v* in gU,V instead of in guNm1,gvNm1
223    o in order to put the momForcing out of the Adams-Bashforth:
224      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
225      to timestep.F
226    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
227    o re-generate output for highly sensitive test-exp:
228       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
229    
230    checkpoint50b_pre
231    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
232    o corrected CPP option mismatch in exf_Bulk... functions for case
233      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
234    
235    checkpoint50a_post
236    o Bug fix for merging between c50 and KPP.
237      ikey was passed from thermodynamics to kpp_calc via
238      common block rather than being recomputed in kpp_calc,
239      in contradiction with new key itdkey.
240      New key ikppkey created, and tamc.h headers updated.
241    
242    checkpoint50
243    - 2nd step of merge with ecco-branch:
244      merge changes in ecco-branch back into main trunk
245    - bug fix in find_alpha
246    - more storing in gmredi_calc_tensor.F, kpp_routines.F
247    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
248    - merged some sliced AD support routines
249    
250    checkpoint49
251    merged from ecco-branch:
252    o exf:
253      - Enable initialisation of forcing fields to constant
254        (runtime) values.
255      - in exf_getffields.F
256        Reduce i-/j-loop to interior domain, discarding overlaps.
257        That also fixes wrong TAF-key computations for key_1, key_2
258        with bulf formulae.
259      - exf_init.F modify #ifdef for exf_init_evap
260      - exf_getffieldrec.F, ctrl_getrec.F
261        The following INT-usages are not safe:
262          fldsecs  = int(fldsecs/fldperiod)*fldperiod
263          fldcount = int(fldsecs/fldperiod) + 1
264        and were modified.
265    o autodiff: checkpoint_lev...
266      - updated storing for bulk formulae (some arrays were missing)
267      - added state for seaice package
268      - synchronized with main branch
269    o DIVA:
270      Modif.s in
271      - the_main_loop.F
272      - the_model_main.F
273      and added cost_final_restore.F cost_final_store.F
274      o With these changes, it is possible to fully separate
275        the first forward run to compute the cost function (mdthe_main_loop)
276        and adjoint runs over individual DIVA intervals (adthe_main_loop)
277        into separate model executions.
278        This enables better tuning of DIVA to given queue sizes.
279      o Loss of cost function value in consecutive DIVA runs is
280        fixed by storing to 'costfinal' file.
281      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
282        beginning/end of adjoint integration is accounted for.
283      The current changes apply to TAF-1.4.26.
284      TAF has one remaining bug, requiring one manual change
285      (see MITgcm manual).
286    o cal: synchronized between MAIN and ecco-branch
287    
288    checkpoint48i_post
289    o Changes to restore differentiability of code w.r.t. previous tag
290      (mostly adding new routines to make list and replacing
291      pressure by totPhiHyd).
292    o Updated and merged grdchk package
293      - has both ADM and TLM checks
294      - works for single- and multi-proc.
295      - output cleaned
296      - worked successfully for parallel DIVA
297    o genmake:
298      - Adding -platform=SP4
299      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
300    o Modif. for DIVA:
301      ctrl_unpack should not be called in intermediate DIVA interval.
302      (similar thing would apply for active files such as
303      tbar, sbar, psbar, which should not be reinitialised;
304      only relevant for ecco-branch)
305    
306    checkpoint48h_post
307    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
308    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
309    o Added SEAICE_initialHEFF to pkg/seaice
310    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
311    
312    checkpoint48g_post
313    --- EOS:
314    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
315      store total Potential in totPhyHyd for diagnostics & EOS.
316    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
317    --- Pressure/geopotential gradient:
318    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
319    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
320      ( changes results of global_ocean_pressure )
321    o NLFS + z-coord.: add eta*Rho' contribution.
322    o accurate phiHyd when using interface-W at the middle between 2 centers
323     ( changes results of ideal_2D_oce )
324    o includes r* 2nd term in potential gradient.
325    
326    checkpoint48f_post
327    Merging from release1_p12:
328    o Modifications for using pkg/exf with pkg/seaice
329      - improved description of the various forcing configurations
330      - added basic radiation bulk formulae to pkg/exf
331      - units/sign fix for evap computation in exf_getffields.F
332      - updated verification/global_with_exf/results/output.txt
333    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
334      (SBO) core products, including oceanic mass, center-of-mass,
335      angular, and bottom pressure (see pkg/sbo/README.sbo).
336    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
337      to avoid negative values in shallow regions.
338      - updated verification/natl_box/results/output.txt
339      - updated verification/lab_sea/results/output.txt
340    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
341    o Added useSingleCpuIO option (see PARAMS.h).
342    o Updated useSingleCpuIO option in mdsio_writefield.F to
343      work with multi-field files, e.g., for single-file pickup.
344    o pkg/seaice:
345      - bug fix in growth.F: QNET for no shortwave case
346      - added HeffFile for specifying initial sea-ice thickness
347      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
348    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
349      kpp_transport_t.F, forward_step.F, and the_main_loop.F
350    o pkg/seaice:
351      - adjoint-friendly modifications
352      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
353    
354    checkpoint48e_post
355    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
356    o dynamics: change definition of computational domain & adapt mom_fluxform
357      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
358    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
359        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
360        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
361        global_ocean.90x40x15 global_with_exf global_ocean_pressure
362        inverted_barometer solid-body.cs-32x32x1
363      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
364    
365    checkpoint48d_post
366    o in preparation for r*:
367     a) use pre-computed gradient of hydrostatic potential:
368        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
369     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
370        => affects results of glob_oce_pressure (different truncation error)  
371      update output.txt of ideal_2D_oce & global_ocean_pressure
372    
373    checkpoint48d_pre
374    o in preparation for r*:
375      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
376      pass the 2 comp. of the grad. as arguments to momentum S/R.
377      but for the moment, only used if it does not change the results.
378    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
379    
380    checkpoint48c_post
381    Modifications in treatment of initial flux forcing controls
382    to avoid extra storing of flux fields.
383    
384    checkpoint48c_pre
385    o Added tidal_basin_2d experiment (currently 1D!)
386    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
387    
388    checkpoint48b_post
389    o r* coordinate added in #ifdef NONLIN_FRSURF block.
390     (modification to pressure gradient not yet implemented)
391    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
392      (for U & V) that are used for vertical advection of momentum.
393    
394    checkpoint48a_post
395    o In preparation for r*, use temp. array to compute vertical transport
396       in flux-form momentum pkg. => change results of few test-exp.
397      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
398                        lab_sea, natl_box & plume_on_slope
399    
400    checkpoint48
401    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
402    
403    checkpoint47j_post
404    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
405    o moved adexch from forward_step to addummy_in_stepping
406    o added exch in ctrl_map_...
407    o aveFreq.=0. at end of cost_final to avoid overwrite in
408      reverse checkpointing loop
409    o Yet more changes in gmredi:
410      * adgmredi_calc_tensor
411        avoiding all recomputation of gmredi_slope_limit
412      * adgmredi_x/y/rtransport
413        added flag for excessive storing to avoid recomp. of
414        u/v/rtans, dTdx/y/z
415        -> this is not really necessary and very memory-consuming
416      * adgmredi_slope_psi:
417        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
418      * gmredi_slope_limit
419        re-activated full calculation of taperfct for case 'ac02'
420    o updating verification/ adjoints of carbon, global_ocean.90x40x15
421    
422    checkpoint47i_post
423    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
424    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
425      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
426    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
427    o gmredi: fix few bugs.
428    
429    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
430    This will be a good checkpoint to plug into the ecco-branch.
431    o few modif.'s to get latest version adjointed
432      (mainly kick out code in ini_linear_phisurf)
433    o modif's to run adjoint with exactConserv
434    o case GM_BOLUS_ADVEC should be cleaned
435      S/R gmredi_slope_psi should be cleaned
436    o verification/carbon now has exactConserv=.TRUE.
437    
438    checkpoint47g_post
439    o time-average AIM output: becomes independent from statvars time-average
440      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
441    o After TAF bug fix:
442      Tested adjoint of gmredi package.
443      Tests were done with checkpoint47 rather than with latest
444      checkpoint47f_post since the latter is broken for the adjoint
445      verification/carbon/ contains both ADM and TLM gradient checks.
446    Here they are, before they get changed/lost/stolen.
447    Mostly modif.'s to fix numerical sensitivities.
448    Gradient checks OK for
449    - GM_taper_scheme:
450      * clipping
451      * ac02
452      * linear
453      * glw91
454      * dm95
455      * ldd97
456    - GMREDI_OPTIONS:
457      * GM_VISBECK_VARIABLE_K
458      * GM_NON_UNITY_DIAGONAL
459      * GM_EXTRA_DIAGONAL
460      * GM_BOLUS_ADVEC
461    in conjunction with data.gmredi parameters to be checked in
462    in a few minutes under verification/carbon/code/
463    
464    checkpoint47f_post
465    Merging from release1_p10:
466    o modifications for using pkg/exf with pkg/seaice
467      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
468        and SEAICE_EXTERNAL_FLUXES
469      - pkg/exf CPP options EXF_READ_EVAP and
470        EXF_NO_BULK_COMPUTATIONS
471      - usage examples are Experiments 8 and 9 in
472        verification/lab_sea/README
473      - verification/lab_sea default experiment now uses
474        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
475    
476    checkpoint47e_post
477    o created a tag prior to creating a branch
478    
479    checkpoint47d_post
480    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
481      at the bottom boundary had an erroneous half slip boundary condition
482    o added bottom drag and no slip boundary condition capabilities to
483      oceanic pressure coordinates code
484    o added new verification experiment global_ocean_pressure, this experiment is
485      also described in the tutorial section of the manual
486    checkpoint47d_pre
487    
488    checkpoint47c_post
489    o Added a verification experiment for a global cubed-sphere ocean run
490      -  verification/global_ocean.cubed32x32x30
491      -  uses pkg/therm_seaice and pkg/bulk_forcing
492    
493    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
494    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
495      when using P-coordinate; only implemented for atmospheric config.
496    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
497      NOTES: requires option NONLIN_FRSURF to be "#define".
498    o update advect_xz/results/output.txt (left from checkpoint44g_post)
499    
500    checkpoint47b_post
501    Merging from release1_p9:
502    o pkg/seaice
503      - removed GOTO's and added taf directives
504      - double precision constants to reduce the g77 (Linux)
505        to F77 (SGI) differences reported in release1_p8
506    o tools/genmake
507      - added SGI options
508    o verification/testscript
509      - updated to that of checkpoint47a_post
510    o verification/global_ocean.90x40x15/input/eedata
511      - modified for SGI f77 compatibility
512    o verification/lab_sea
513      - added description of sea-ice model
514      - added missing matlab routines
515      - added test of thermodynamics parallelization
516    
517    checkpoint47a_post
518    o new pkg: aim_v23
519     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
520       for now, keep the same surface forcing as before.
521     - Part-Cell implemented into AIM; check that Heat & Water are conserved
522     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
523     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
524    o add diagnostic of surface correction term in monitor output
525    
526    o bulk_force and therm_seaice
527    - Two packages:  bulk_force (Bulk forcing)
528      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
529    - Earlier integration from Stephaine Dutkiewicz
530      and Patrick Heimbach.
531    - Two ifdef statements for compile time,
532       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
533    
534    checkpoint47
535    differentiable version of checkpoint46n_post
536    o bug fix in quasihydrostaticterms
537    o * "clean" adjoint code (in terms of extensive recomputations)
538        can now be obtained for all GMREDI options (i.e. for
539        - GM_VISBECK_VARIABLE_K
540        - GM_NON_UNITY_DIAGONAL
541        - GM_EXTRA_DIAGONAL
542        - GM_BOLUS_ADVEC )
543      * However, wrong gradient check problem remains unsolved.
544      * New CPP options have been introduced for different
545        tapering schemes
546    o external_fields_load now part of differentiation list
547    o pressure needs multiple storing;
548      would be nice to have store_pressure at beginning or
549      end of forward_step, e.g. by having phiHyd global (5-dim.)
550      (NB: pressure is needed for certain cases in find_rho,
551      which is also invoked through convective_adjustment).
552    o recomputations in find_rho for cases
553     'JMD95'/'UNESCO' or 'MDJWF' are OK.
554    o #define ATMOSPHERIC_LOADING should be differentiable
555    o ini_forcing shifted to begining of initialise_varia
556    o Incorporating QNVS line search routines into MITgcm
557      (this is separate code, and therefore not under pkg)
558      lsopt/, optim/
559    o Updated verification/carbon/
560      - #define GM_VISBECK_VARIABLE_K
561      - GM_taper_scheme    = 'ldd97'    
562    
563    checkpoint46n_post
564    Merging from release1_p8:
565    o verification/natl_box:
566      updating new external_fields_load routine
567    o New package: pkg/seaice
568      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
569      The sea-ice code is based on Hibler (1979-1980).
570      Two sea-ice dynamic solvers, ADI and LSR, are included.
571      In addition to computing prognostic sea-ice variables and diagnosing
572      the forcing/external data fields that drive the ocean model,
573      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
574      The implied surface heat flux is then stored in variable
575      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
576      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
577      non-local transport term.  Because this call precedes model
578      thermodynamics, temperature under sea-ice may not be "exactly" at
579      the freezing point by the time theta is dumped or time-averaged.
580      N.B.: fairly large differences in accuracy occur across
581            different platforms/compilers; comparison between
582            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
583            generated output gives:
584       T           S           U           V
585      C D M    c        m  s        m  s        m  s        m  s
586      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
587      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
588      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
589    
590      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
591    o GAD:
592      - generated new common blocks to account for call of
593        same gad routines with differing traceridentities
594        (needed to modify tracerIdentity indices in GAD.h)
595      - generated separate common blocks for case useCubedSphereExchange
596        (Department of Futurology)
597      - parameter lists to gmredi_?transport: added tracerIdentity
598      - added new key indices to tamc.h
599    o external_fields_load:
600      - added this routine to TAF list
601      - needed to make some common blocks global and additional storing
602        along the same lines as exf package (checkpoint_lev?_directives.h)
603    o exf:
604      updated external forcing package
605      - bug fixes carried over from ecco-branch
606        (missing OBCS_OPTIONS.h in two routines)
607      - enable easy to use "no forcing".
608      - added exf I/O for atmospheric loading
609      - added exf I/O for runoff data
610      - transfered scaling between exf <-> MITgcm to exf namelist
611    o Adding new verification experiment global_with_exf.
612      This verification experiment is almost identical to the
613      global_ocean.90x40x15 experiment, except that it uses
614      the exf (and cal) package instead of the
615      external_fields_load routine (cf README file).
616    
617    checkpoint46m_post
618    o modified testscript to return -- when there are no lines of "%MON" output
619    o added new flag "quasiHydrostatic" for QH mode
620      and new routine quasihydrostaticterms()
621    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
622      New routine: mom_u_coriolis_nh()
623    o fixed sign of non-hydrostatic metric terms in u and v equations.
624      Depend on correct sign of gravitySign.
625    o added work.pc* to .cvsignore in aim directories using ifc
626    o introduced flag for controllin non-hydrostatic metric terms
627    o removed gravitySign from PARM04
628    o switched to g77/ifc from pgf77 in aim experiments
629    
630    checkpoint46l_post
631    o made convective adjustment work with pressure coordinates:
632     - changed the direction of k-loop in convective_adjustment.F for the
633       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
634     - adjusted the reference pressure k-index in convective_adjustment.F
635     - adjusted the convection condition in convect.F (in analogy to
636       calc_ivdc.F)
637     - convective_adjustment no longer computes anything on the halos
638     - removed the warnings about negative salinity from find_rho.F and
639       find_alpha.F; instead the new routine look_for_neg_salinity, called
640       at the beginning of find_rho, find_alpha, and find_beta, does a
641       check of the entire slice, if CPP-option
642       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
643    checkpoint46l_pre
644    
645    checkpoint46k_post
646    o fixed the verification/global_ocean.90x40x15 experiment:
647     - new bathymetry (the world according to A., JMC, and M.)
648     - new initial fields and forcing fields (*.bin files)
649     - new POLY3.COEFFS (for the next release one should switch to a full
650       equation of state: JMD95P or MDJWF)
651     - fixed several errors and redundancies in the data file
652     - experiment uses looped cells
653     - added matlab directory with diagnostic scripts for plotting of output
654    
655    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
656     - read AIM physics parameters from a file (data.aimphys)
657     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
658    
659    checkpoint46j_post
660    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
661    o move wVel computation at the end of the time step, in S/R integr_continuity
662    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
663    o update timeave pkg for wVel diagnostic.
664    checkpoint46j_pre
665    
666    checkpoint46i_post
667    o Clean up AIM package (and keep the results unchanged):
668      include CPP_OPTION and use IMPLICT NONE in all routines ;
669      declare all the variables _RL ; use _d 0 for all numerical constants.
670      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
671    
672    checkpoint46h_post
673    o cleaned up the use of rhoNil and rhoConst.
674      - rhoNil should only appear in the LINEAR equation of state, everywhere
675        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
676        and the dynamical equations are all divided by rhoConst
677    o introduced new parameter rhoConstFresh, a reference density of fresh
678      water, to remove the fresh water flux's dependence on rhoNil. The default
679      value is 999.8 kg/m^3
680    o cleanup up external_forcing.F and external_forcing_surf.F
681      - can now be used by both OCEANIC and OCEANICP
682    checkpoint46h_pre
683    
684     Added code to convert surface volume flux (fresh water) into
685     a mass flux when using P coordinates in the ocean (OCEANICP).
686     Note: It assumes you have set rho0=rhoConst=density of fresh water.
687    
688    checkpoint46g_post
689    o Include a new diagnostic variable phiHydLow for the ocean model
690      - in z-coordinates, it is the bottom pressure anomaly
691      - in p-coordinates, it is the sea surface elevation
692      - in both cases, these variable have global drift, reflecting the mass
693        drift in z-coordinates and the volume drift in p-coordinates
694      - included time averaging for phiHydLow, be aware of the drift!
695    o depth-dependent computation of Bo_surf for pressure coordinates
696      in the ocean (buoyancyRelation='OCEANICP')
697      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
698        Theta, Salinity, and Pressure in the parameter list. This routine is
699        presently contained in find_rho.F. This routine does not give the
700        correct density for 'POLY3', which would be a z-dependent reference
701        density.
702    o cleaned up find_rho
703      - removed obsolete 'eqn' from the parameter list.
704    o added two new verification experiments: gop and goz
705      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
706    checkpoint46g_pre
707    
708    checkpoint46f_post
709    o Enable tangent linear (forward mode) gradient checks:
710      - extended active file handling to g_... files
711      - added TANGENT_SIMULATION to theSimulationMode
712      - extended grdchk package accordingly
713    o added tangent linear setup in verification/carbon/code_ftl
714    o added adjoint setup in verification/front_relax/code_ad
715    
716    checkpoint46e_post
717    o Added new equation of state -> MDJWF
718      - EOS of McDougall et al., 2002, JAOT, submitted
719      - caveat: the equation of state is only valid for a smaller (more
720        realistic?) range of values than JMD95P/Z and UNESCO
721      - added masks to the calculation of pressure in store_pressure
722      - added more check values for density in check_eos (ini_eos.F), some of
723        the old check values are out of the range of the MDJWF-eos, so don't
724        expect perfect matches for those
725    checkpoint46e_pre
726    
727    checkpoint46d_post
728    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
729      'OCEANICP', also initialised field pressure correctly in ini_eos in the
730      case of pressure coordinates. eosType='JMD95Z' in
731      combination with buoyancyRelation='OCEANICP' now causes an error.
732    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
733      in find_alpha/beta.
734    checkpoint46d_pre
735    
736    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
737      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
738    
739    checkpoint46c_post
740    o Changes necessary for ocean in p-coordinates
741     -  Added new buoyancy relation = 'OCEANICP'
742     -  Added new parameters = gravitySign (this used to be contained inside
743        the factor dRdZ which I added when we first switched to R coordinates).
744     X GM/Redi is not compatible (yet)
745     X bottom drag and no-slip need to be debugged.
746    checkpoint46c_pre
747    
748    checkpoint46b_post
749    o Added new equation of state -> JMD95Z and JMD95P
750      - EOS of Jackett and McDougall, 1995, JAOT
751      - moved all EOS parameters into EOS.h
752      - new routines ini_eos.F, store_pressure.F
753    o Added UNESCO EOS, but not recommended because it requires
754      in-situ temperature (see JMD95)
755    o Modified formatting for knudsen2.f in utils/knudsen2 and added
756      unesco.f to be used with POLY3
757    checkpoint46b_pre
758    
759    checkpoint46a_post
760    o Added (atmospheric) pressure loading
761      - new field in FFIELDS.h, etc...
762      - new cpp flag ATMOSPHERIC_LOADING
763    o Changed hFacC to _hFacC in calc_phi_hyd.F
764    o Added SHORTWAVE_HEATING to some files for consistency
765    checkpoint46a_pre
766    
767    checkpoint46
768    further merges from release1_p5
769    o new ctrl package
770      - adopted from ECCO environment to enable optimization
771      - added Eliassen Palm fluxes to controls
772    o added Eliassen Palm flux controls to gradient check package
773    o cost package
774      - Compatible with new ctrl package
775      - added Eliassen Palm cost hooks
776      - modif's of existing cost functions
777    o Adjoint-related bug fixes in kpp:
778      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
779      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
780    o autodiff package
781      - flow directives:
782        + new for S/R do_the_model_io
783        + enhanced for S/R checkpoint
784        + new gmredi.flow
785      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
786        disable adcommon.h/g_common.h by default.
787      - fixed problem for adjoint of global_max
788    o modified verification/carbon/
789    o New setup for adjoint of global_ocean
790    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
791    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
792    o incorporated hooks for sponge layer code (external_forcing.F)
793    
794    checkpoint45d_post
795    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
796    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
797      (affects plume_on_slope "cg2d" output)
798    o add new parameter deltaTfreesurf for free-surface time stepping
799    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
800    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
801    o change phiMin in exp1 (to agree with documentation)
802    o add new flags:
803     - T,S forcing inside/outside Adams-Bashforth
804     - turn off temp,salt advection and/or forcing
805     - for each tracer, define internal flag for multiDimAdvection & A-B
806    o monitor: change definition of KE to check conservation of Energy
807    
808    checkpoint45c_post
809    o Removed f90 comments ("!")
810    o Modified initialisations to enable exf package for MITgcm
811      (without invoking ECCO_PACKAGE).
812    o modifications to gradient check package (Martin Losch)
813      - enable centered differences
814      - modified format of standard output
815    
816    checkpoint45b_post
817    o cleaned exchange calls in cg2d
818    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
819    o included CPP option SINGLE_LAYER_MODE in thermodynamics
820      to configure barotropic setup (Martin Losch)
821    o moved some initialisations within bi,bj loop in dynamics
822      (TAF flow dependency)
823    o in initialise_varia, moved call packages_init_variables
824      before convective_adjustment_init
825      (corresponding adjustment of TAF tape initialisation).
826    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
827    
828    checkpoint45a_post
829    o compute Rho over the whole domain (extend iMin,jMin indices)
830    o specific exchange for X-slice domain (case Ny=1)
831    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
832    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
833    
834    checkpoint44h_post = checkpoint45
835    o Fix to restore differentiability:
836      place at which packages_init_variables is called in
837      initialise_varia is crucial for reverse control flow.
838    o modifications in GMRedi to enable stable adjoint
839      (corresponding modif's in thermodynamics, dynamics)
840    o added missing hook for sponge layer code in external_forcing
841    o modified test cost functions
842    o storing in gad_advection (plus removal of write(0,*)!
843    o missing headers TR1.h added in convective_adjustment routines
844    o errorMessageUnit set non-equal zero in eeboot
845      (conflict on some platforms, e.g. IBM SP3)
846    o modified carbon verif.
847    
848    checkpoint44h_pre
849    o vertical grid option: allow to put the Interface at the middle between
850      2 cell-centers ; replace delZ in pkg/kpp by drF.
851    o GM Advective form: Tracers are advected using the residual transport (=
852      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
853    
854  checkpoint44g_post  checkpoint44g_post
855  o fix surface correction term in multiDimAdvection (affects plume_on_slope  o fix surface correction term in multiDimAdvection (affects plume_on_slope
856    results) ; ifdef missing in thermodynamics.F    results) ; ifdef missing in thermodynamics.F

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