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revision 1.8 by adcroft, Wed Jul 1 22:49:29 1998 UTC revision 1.191 by edhill, Tue Oct 21 21:14:08 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint51m_post
7    o incorporating changes to get TAMC/TAF working in genmake2
8      - added new TAMC/TAF targets to the Makefile
9      - various cleanups related to package handling
10      - these changes should have no impact on the forward model
11    
12    checkpoint51l_post
13    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
14     - faster algorithm for cal_addtime.F
15     - higher precision arithmetic, where needed
16     - pkg/exf *startdate variables changed from calendar date to
17       model integration time
18    
19    checkpoint51l_pre
20    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
21    o enable to apply restoring on S & T only in a latitude band.
22    o update output (external_forcing_surf modif. change truncation errors)
23       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
24    
25    checkpoint51k_post
26    o change default to: useNHMTerms=.FALSE.
27     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
28       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
29     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
30        exp1, ideal_2D_oce
31     - change data file of oceanic exp (leave the results unchanged for now)
32       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
33    o set gravitySign automatically according to the vertical coordinate used
34      (and change sign: back to "logical" value: +1 when R increases downward)
35    o added an include barrier to the default CPP_OPTIONS.h and
36      removed the #include "PACKAGES_CONFIG.h" from it
37    o fix a bug in mom_fluxform (from chk51j_post)
38    
39    checkpoint51j_post
40    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
41    o adjusted some flow directives (dynamics, thermodynamics)
42    o added cubed-sphere case to test cost function
43    o heckpoint_lev?_directives.h now include
44      pkg-specific directives, whenever those are enabled.
45    o Moving pkg-specific flow directives to corresponding pkg
46      Moving pkg-specific differentiation list to corresponding pkg
47      Moving pkg-specific checkpoint-lev storing to corresponding pkg
48      ---> conventions are
49           - pkg_ad.flow
50           - pkg_ad_diff.list
51           - pkg_ad_check_lev?_dir.h
52    
53    checkpoint51i_post
54    o merge of the branch-genmake2
55      - knowingly breaks the older genmake
56      - automatic generation of all ALLOW_${PKG_NAME} defines
57      - new testreport supersedes older testscript
58    o large number of package inclusion and header cleanups
59    checkpoint51i_pre
60    
61    o new output for adjoin of global ocean vector invariant
62    o fix for checkpoint of thermodynamic seaice and bulk_force
63    o Steph gchem various cleanups
64    
65    checkpoint 51h_pre
66    o fixed some single quotes
67    o modify gchem pkg to be more versatile
68    o modifications to clean up dic pkg
69    o add pkg/cfc
70    
71    checkpoint51g_post
72    o provide links for ARPACK and ADM*TLM
73    o start removing verification/vero/
74    o update AD-related stuff
75      (in particular some IF-statements in model/src/ routines)
76    o adding to verification/global_ocean.90x40x15/ adjoint of
77      vector invariant setup
78    
79    checkpoint51f_post
80    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
81    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
82      of tracer Green's fucntions for ocean inversion project.
83    
84    checkpoint51f_pre
85    o Added on-the-fly spatial interpolation capability
86        "USE_EXF_INTERPOLATION" to pkg/exf.
87      - This is a temporary Cartesian-grid hack until
88        the super-duper ESMF coupler becomes available.
89      - See verification/global_with_exf/README for usage example.
90      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
91        flags and modified pkg/seaice accordingly.
92    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
93        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
94        non-local transport term.
95    
96    checkpoint51e_post
97    o pkg/mom_vecinv:
98      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
99      - add time-ave diagnostic of vorticity advection.
100    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
101    o atmospheric geopotential: - include water vapor effect;
102                                - use p^kappa in p* scaling.
103    o land pkg: read initial state from files.
104    o AIM : add stratospheric drag in the upper level
105    
106    checkpoint51d_post
107    o change function ILNBLNK (=> last non-blank char.) to return zero
108      (instead of the string length) when the string. char is empty
109    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
110    o modif's to restore TAMC compatibility
111      - avoid "_d" constructs in PARAMETER declarations
112      - avoid interrupting lines by comment lines
113    o Use cluster local disks for purely local I/O
114      vs. globally visible disks needed for ctrl stuff
115      (merged from ecco-branch)
116      - new active_file_loc... and mdsio_..._loc routines
117      - affected packages: autodiff, ctrl, grdchk, mdsio
118    
119    checkpoint51c_post
120    o introducing integer flag debugLevel
121      - debLevZero: suppress all output
122      - debLevA: standard
123      - debLevB: equivalent to current debugMode=.TRUE.
124    o introducing pathname variable mdsioLocalDir for mdsio
125      that can be specified at runtime
126      (relevant for cluster I/O to local disk)
127    `
128    >>>checkpoint51b_post
129    adjoint of ptracers
130    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
131    o extended state in checkpoint_lev?, etc.
132    o alternative ctrl/cost with tr1 or ptracer
133    o new comlev1_bibj_ptracers
134    o new ptracers.flow
135    o made ptracers_forcing same as external_forcing_s
136    o added verification for adjoint with ptracers
137      - adm. grdchk fail so far
138      - tlm. grdchk OK
139      - checked tapelev/comlev recomputations: OK
140    <<<checkpoint51b_pre
141    
142    checkpoint51a_post
143    o added code for biogeochemistry package
144      - new pkgs: dic, gchem
145      - new subroutine in ptracers
146    o modify code for biogeo packages
147      - in model/src and pkg/ptracers
148    
149    checkpoint51
150    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
151      - autodiff, ctrl, exf, grdchk, seaice
152      kept separate packages
153      - cost, ecco, obcs
154    o updating verification/internal_wave, verification/lab_sea
155      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
156    
157    checkpoint50i_post
158    o Preparing next differentiable checkpoint and sync
159      of MAIN vs. ecco-branch
160      - 1st step: this one is differentiable
161      - 2nd step: next(! not this) checkpoint will have updated packages
162                  from ecco-branch)
163    
164    checkpoint50h_post
165    o new package "land": provide surface BC for AIM.
166    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
167    o AIM: use true log-P extrapolation for near surface temp (= as in
168        F.Molteni paper) ; update aim.5l_cs output.
169    o New variable in PARM03 for more flexible pickups
170    o somewhat cleaned package initialisation sequence for
171      ctrl/ cost/ ecco/ in packages_... routines
172    
173    checkpoint50g_post
174    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
175      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
176      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
177        made the default because of faster convergence than ADI
178    
179    checkpoint50f_post
180    o exf totally restructured
181      - replaced all exf_set_ routines by one generic exf_set_gen.F
182        and made sure it's still differentiable
183      - split exf_getffields.F into new exf_bulkformulae.F
184      - exf_inscal_/exf_outscal_ suffixes consistent with field names
185      - updated adjoint/makefile and relevant verif. accordingly
186    
187    checkpoint50f_pre
188     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
189          + change Evap over land. (update aim.5l_cs output)
190     o added missing .cvsignores and made uniform across expts
191     o changed configuration of tidal_basin_2d expt
192     o added pkg/debug functions for tracing code in fatal crashes
193     o tidied pkg/monitor to use MONITOR_OPTIONS.h
194     o new fn in pkg/monitor to stop model if solution grows too big
195     o removed lots of single quotes from comments
196    
197    checkpoint50e_post
198    o make KPP work with PTRACERS
199     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
200       nearly a copy of kpp_transport_s
201     - there is no analogue to SurfaceTendencyS, so I have to use
202       gPtr(of the surface layer) instead
203    o add a new platform SunFire+mpi (SunFire 15000) to genmake
204    checkpoint50e_pre
205    
206    checkpoint50d_post
207    o change kpp output from multiple-record state files to single-record state
208      files analogous to write_state.F
209    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
210      analogous to the cg2d-related output.
211    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
212      so that writing to internal file fn (with length 512) fails.
213    checkpoint50d_pre
214    
215    checkpoint50c_post
216    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
217    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
218    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
219    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
220    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
221    
222    checkpoint50c_pre
223    Merging from release1_p13:
224    o bug fix for pkg/seaice dynamic solver
225    o Added SEAICE_initialHEFF to pkg/seaice
226    
227    checkpoint50b_post
228    o store u*,v* in gU,V instead of in guNm1,gvNm1
229    o in order to put the momForcing out of the Adams-Bashforth:
230      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
231      to timestep.F
232    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
233    o re-generate output for highly sensitive test-exp:
234       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
235    
236    checkpoint50b_pre
237    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
238    o corrected CPP option mismatch in exf_Bulk... functions for case
239      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
240    
241    checkpoint50a_post
242    o Bug fix for merging between c50 and KPP.
243      ikey was passed from thermodynamics to kpp_calc via
244      common block rather than being recomputed in kpp_calc,
245      in contradiction with new key itdkey.
246      New key ikppkey created, and tamc.h headers updated.
247    
248    checkpoint50
249    - 2nd step of merge with ecco-branch:
250      merge changes in ecco-branch back into main trunk
251    - bug fix in find_alpha
252    - more storing in gmredi_calc_tensor.F, kpp_routines.F
253    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
254    - merged some sliced AD support routines
255    
256    checkpoint49
257    merged from ecco-branch:
258    o exf:
259      - Enable initialisation of forcing fields to constant
260        (runtime) values.
261      - in exf_getffields.F
262        Reduce i-/j-loop to interior domain, discarding overlaps.
263        That also fixes wrong TAF-key computations for key_1, key_2
264        with bulf formulae.
265      - exf_init.F modify #ifdef for exf_init_evap
266      - exf_getffieldrec.F, ctrl_getrec.F
267        The following INT-usages are not safe:
268          fldsecs  = int(fldsecs/fldperiod)*fldperiod
269          fldcount = int(fldsecs/fldperiod) + 1
270        and were modified.
271    o autodiff: checkpoint_lev...
272      - updated storing for bulk formulae (some arrays were missing)
273      - added state for seaice package
274      - synchronized with main branch
275    o DIVA:
276      Modif.s in
277      - the_main_loop.F
278      - the_model_main.F
279      and added cost_final_restore.F cost_final_store.F
280      o With these changes, it is possible to fully separate
281        the first forward run to compute the cost function (mdthe_main_loop)
282        and adjoint runs over individual DIVA intervals (adthe_main_loop)
283        into separate model executions.
284        This enables better tuning of DIVA to given queue sizes.
285      o Loss of cost function value in consecutive DIVA runs is
286        fixed by storing to 'costfinal' file.
287      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
288        beginning/end of adjoint integration is accounted for.
289      The current changes apply to TAF-1.4.26.
290      TAF has one remaining bug, requiring one manual change
291      (see MITgcm manual).
292    o cal: synchronized between MAIN and ecco-branch
293    
294    checkpoint48i_post
295    o Changes to restore differentiability of code w.r.t. previous tag
296      (mostly adding new routines to make list and replacing
297      pressure by totPhiHyd).
298    o Updated and merged grdchk package
299      - has both ADM and TLM checks
300      - works for single- and multi-proc.
301      - output cleaned
302      - worked successfully for parallel DIVA
303    o genmake:
304      - Adding -platform=SP4
305      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
306    o Modif. for DIVA:
307      ctrl_unpack should not be called in intermediate DIVA interval.
308      (similar thing would apply for active files such as
309      tbar, sbar, psbar, which should not be reinitialised;
310      only relevant for ecco-branch)
311    
312    checkpoint48h_post
313    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
314    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
315    o Added SEAICE_initialHEFF to pkg/seaice
316    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
317    
318    checkpoint48g_post
319    --- EOS:
320    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
321      store total Potential in totPhyHyd for diagnostics & EOS.
322    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
323    --- Pressure/geopotential gradient:
324    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
325    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
326      ( changes results of global_ocean_pressure )
327    o NLFS + z-coord.: add eta*Rho' contribution.
328    o accurate phiHyd when using interface-W at the middle between 2 centers
329     ( changes results of ideal_2D_oce )
330    o includes r* 2nd term in potential gradient.
331    
332    checkpoint48f_post
333    Merging from release1_p12:
334    o Modifications for using pkg/exf with pkg/seaice
335      - improved description of the various forcing configurations
336      - added basic radiation bulk formulae to pkg/exf
337      - units/sign fix for evap computation in exf_getffields.F
338      - updated verification/global_with_exf/results/output.txt
339    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
340      (SBO) core products, including oceanic mass, center-of-mass,
341      angular, and bottom pressure (see pkg/sbo/README.sbo).
342    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
343      to avoid negative values in shallow regions.
344      - updated verification/natl_box/results/output.txt
345      - updated verification/lab_sea/results/output.txt
346    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
347    o Added useSingleCpuIO option (see PARAMS.h).
348    o Updated useSingleCpuIO option in mdsio_writefield.F to
349      work with multi-field files, e.g., for single-file pickup.
350    o pkg/seaice:
351      - bug fix in growth.F: QNET for no shortwave case
352      - added HeffFile for specifying initial sea-ice thickness
353      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
354    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
355      kpp_transport_t.F, forward_step.F, and the_main_loop.F
356    o pkg/seaice:
357      - adjoint-friendly modifications
358      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
359    
360    checkpoint48e_post
361    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
362    o dynamics: change definition of computational domain & adapt mom_fluxform
363      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
364    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
365        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
366        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
367        global_ocean.90x40x15 global_with_exf global_ocean_pressure
368        inverted_barometer solid-body.cs-32x32x1
369      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
370    
371    checkpoint48d_post
372    o in preparation for r*:
373     a) use pre-computed gradient of hydrostatic potential:
374        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
375     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
376        => affects results of glob_oce_pressure (different truncation error)  
377      update output.txt of ideal_2D_oce & global_ocean_pressure
378    
379    checkpoint48d_pre
380    o in preparation for r*:
381      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
382      pass the 2 comp. of the grad. as arguments to momentum S/R.
383      but for the moment, only used if it does not change the results.
384    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
385    
386    checkpoint48c_post
387    Modifications in treatment of initial flux forcing controls
388    to avoid extra storing of flux fields.
389    
390    checkpoint48c_pre
391    o Added tidal_basin_2d experiment (currently 1D!)
392    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
393    
394    checkpoint48b_post
395    o r* coordinate added in #ifdef NONLIN_FRSURF block.
396     (modification to pressure gradient not yet implemented)
397    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
398      (for U & V) that are used for vertical advection of momentum.
399    
400    checkpoint48a_post
401    o In preparation for r*, use temp. array to compute vertical transport
402       in flux-form momentum pkg. => change results of few test-exp.
403      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
404                        lab_sea, natl_box & plume_on_slope
405    
406    checkpoint48
407    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
408    
409    checkpoint47j_post
410    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
411    o moved adexch from forward_step to addummy_in_stepping
412    o added exch in ctrl_map_...
413    o aveFreq.=0. at end of cost_final to avoid overwrite in
414      reverse checkpointing loop
415    o Yet more changes in gmredi:
416      * adgmredi_calc_tensor
417        avoiding all recomputation of gmredi_slope_limit
418      * adgmredi_x/y/rtransport
419        added flag for excessive storing to avoid recomp. of
420        u/v/rtans, dTdx/y/z
421        -> this is not really necessary and very memory-consuming
422      * adgmredi_slope_psi:
423        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
424      * gmredi_slope_limit
425        re-activated full calculation of taperfct for case 'ac02'
426    o updating verification/ adjoints of carbon, global_ocean.90x40x15
427    
428    checkpoint47i_post
429    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
430    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
431      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
432    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
433    o gmredi: fix few bugs.
434    
435    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
436    This will be a good checkpoint to plug into the ecco-branch.
437    o few modif.'s to get latest version adjointed
438      (mainly kick out code in ini_linear_phisurf)
439    o modif's to run adjoint with exactConserv
440    o case GM_BOLUS_ADVEC should be cleaned
441      S/R gmredi_slope_psi should be cleaned
442    o verification/carbon now has exactConserv=.TRUE.
443    
444    checkpoint47g_post
445    o time-average AIM output: becomes independent from statvars time-average
446      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
447    o After TAF bug fix:
448      Tested adjoint of gmredi package.
449      Tests were done with checkpoint47 rather than with latest
450      checkpoint47f_post since the latter is broken for the adjoint
451      verification/carbon/ contains both ADM and TLM gradient checks.
452    Here they are, before they get changed/lost/stolen.
453    Mostly modif.'s to fix numerical sensitivities.
454    Gradient checks OK for
455    - GM_taper_scheme:
456      * clipping
457      * ac02
458      * linear
459      * glw91
460      * dm95
461      * ldd97
462    - GMREDI_OPTIONS:
463      * GM_VISBECK_VARIABLE_K
464      * GM_NON_UNITY_DIAGONAL
465      * GM_EXTRA_DIAGONAL
466      * GM_BOLUS_ADVEC
467    in conjunction with data.gmredi parameters to be checked in
468    in a few minutes under verification/carbon/code/
469    
470    checkpoint47f_post
471    Merging from release1_p10:
472    o modifications for using pkg/exf with pkg/seaice
473      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
474        and SEAICE_EXTERNAL_FLUXES
475      - pkg/exf CPP options EXF_READ_EVAP and
476        EXF_NO_BULK_COMPUTATIONS
477      - usage examples are Experiments 8 and 9 in
478        verification/lab_sea/README
479      - verification/lab_sea default experiment now uses
480        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
481    
482    checkpoint47e_post
483    o created a tag prior to creating a branch
484    
485    checkpoint47d_post
486    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
487      at the bottom boundary had an erroneous half slip boundary condition
488    o added bottom drag and no slip boundary condition capabilities to
489      oceanic pressure coordinates code
490    o added new verification experiment global_ocean_pressure, this experiment is
491      also described in the tutorial section of the manual
492    checkpoint47d_pre
493    
494    checkpoint47c_post
495    o Added a verification experiment for a global cubed-sphere ocean run
496      -  verification/global_ocean.cubed32x32x30
497      -  uses pkg/therm_seaice and pkg/bulk_forcing
498    
499    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
500    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
501      when using P-coordinate; only implemented for atmospheric config.
502    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
503      NOTES: requires option NONLIN_FRSURF to be "#define".
504    o update advect_xz/results/output.txt (left from checkpoint44g_post)
505    
506    checkpoint47b_post
507    Merging from release1_p9:
508    o pkg/seaice
509      - removed GOTO's and added taf directives
510      - double precision constants to reduce the g77 (Linux)
511        to F77 (SGI) differences reported in release1_p8
512    o tools/genmake
513      - added SGI options
514    o verification/testscript
515      - updated to that of checkpoint47a_post
516    o verification/global_ocean.90x40x15/input/eedata
517      - modified for SGI f77 compatibility
518    o verification/lab_sea
519      - added description of sea-ice model
520      - added missing matlab routines
521      - added test of thermodynamics parallelization
522    
523    checkpoint47a_post
524    o new pkg: aim_v23
525     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
526       for now, keep the same surface forcing as before.
527     - Part-Cell implemented into AIM; check that Heat & Water are conserved
528     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
529     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
530    o add diagnostic of surface correction term in monitor output
531    
532    o bulk_force and therm_seaice
533    - Two packages:  bulk_force (Bulk forcing)
534      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
535    - Earlier integration from Stephaine Dutkiewicz
536      and Patrick Heimbach.
537    - Two ifdef statements for compile time,
538       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
539    
540    checkpoint47
541    differentiable version of checkpoint46n_post
542    o bug fix in quasihydrostaticterms
543    o * "clean" adjoint code (in terms of extensive recomputations)
544        can now be obtained for all GMREDI options (i.e. for
545        - GM_VISBECK_VARIABLE_K
546        - GM_NON_UNITY_DIAGONAL
547        - GM_EXTRA_DIAGONAL
548        - GM_BOLUS_ADVEC )
549      * However, wrong gradient check problem remains unsolved.
550      * New CPP options have been introduced for different
551        tapering schemes
552    o external_fields_load now part of differentiation list
553    o pressure needs multiple storing;
554      would be nice to have store_pressure at beginning or
555      end of forward_step, e.g. by having phiHyd global (5-dim.)
556      (NB: pressure is needed for certain cases in find_rho,
557      which is also invoked through convective_adjustment).
558    o recomputations in find_rho for cases
559     'JMD95'/'UNESCO' or 'MDJWF' are OK.
560    o #define ATMOSPHERIC_LOADING should be differentiable
561    o ini_forcing shifted to begining of initialise_varia
562    o Incorporating QNVS line search routines into MITgcm
563      (this is separate code, and therefore not under pkg)
564      lsopt/, optim/
565    o Updated verification/carbon/
566      - #define GM_VISBECK_VARIABLE_K
567      - GM_taper_scheme    = 'ldd97'    
568    
569    checkpoint46n_post
570    Merging from release1_p8:
571    o verification/natl_box:
572      updating new external_fields_load routine
573    o New package: pkg/seaice
574      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
575      The sea-ice code is based on Hibler (1979-1980).
576      Two sea-ice dynamic solvers, ADI and LSR, are included.
577      In addition to computing prognostic sea-ice variables and diagnosing
578      the forcing/external data fields that drive the ocean model,
579      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
580      The implied surface heat flux is then stored in variable
581      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
582      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
583      non-local transport term.  Because this call precedes model
584      thermodynamics, temperature under sea-ice may not be "exactly" at
585      the freezing point by the time theta is dumped or time-averaged.
586      N.B.: fairly large differences in accuracy occur across
587            different platforms/compilers; comparison between
588            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
589            generated output gives:
590       T           S           U           V
591      C D M    c        m  s        m  s        m  s        m  s
592      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
593      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
594      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
595    
596      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
597    o GAD:
598      - generated new common blocks to account for call of
599        same gad routines with differing traceridentities
600        (needed to modify tracerIdentity indices in GAD.h)
601      - generated separate common blocks for case useCubedSphereExchange
602        (Department of Futurology)
603      - parameter lists to gmredi_?transport: added tracerIdentity
604      - added new key indices to tamc.h
605    o external_fields_load:
606      - added this routine to TAF list
607      - needed to make some common blocks global and additional storing
608        along the same lines as exf package (checkpoint_lev?_directives.h)
609    o exf:
610      updated external forcing package
611      - bug fixes carried over from ecco-branch
612        (missing OBCS_OPTIONS.h in two routines)
613      - enable easy to use "no forcing".
614      - added exf I/O for atmospheric loading
615      - added exf I/O for runoff data
616      - transfered scaling between exf <-> MITgcm to exf namelist
617    o Adding new verification experiment global_with_exf.
618      This verification experiment is almost identical to the
619      global_ocean.90x40x15 experiment, except that it uses
620      the exf (and cal) package instead of the
621      external_fields_load routine (cf README file).
622    
623    checkpoint46m_post
624    o modified testscript to return -- when there are no lines of "%MON" output
625    o added new flag "quasiHydrostatic" for QH mode
626      and new routine quasihydrostaticterms()
627    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
628      New routine: mom_u_coriolis_nh()
629    o fixed sign of non-hydrostatic metric terms in u and v equations.
630      Depend on correct sign of gravitySign.
631    o added work.pc* to .cvsignore in aim directories using ifc
632    o introduced flag for controllin non-hydrostatic metric terms
633    o removed gravitySign from PARM04
634    o switched to g77/ifc from pgf77 in aim experiments
635    
636    checkpoint46l_post
637    o made convective adjustment work with pressure coordinates:
638     - changed the direction of k-loop in convective_adjustment.F for the
639       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
640     - adjusted the reference pressure k-index in convective_adjustment.F
641     - adjusted the convection condition in convect.F (in analogy to
642       calc_ivdc.F)
643     - convective_adjustment no longer computes anything on the halos
644     - removed the warnings about negative salinity from find_rho.F and
645       find_alpha.F; instead the new routine look_for_neg_salinity, called
646       at the beginning of find_rho, find_alpha, and find_beta, does a
647       check of the entire slice, if CPP-option
648       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
649    checkpoint46l_pre
650    
651    checkpoint46k_post
652    o fixed the verification/global_ocean.90x40x15 experiment:
653     - new bathymetry (the world according to A., JMC, and M.)
654     - new initial fields and forcing fields (*.bin files)
655     - new POLY3.COEFFS (for the next release one should switch to a full
656       equation of state: JMD95P or MDJWF)
657     - fixed several errors and redundancies in the data file
658     - experiment uses looped cells
659     - added matlab directory with diagnostic scripts for plotting of output
660    
661    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
662     - read AIM physics parameters from a file (data.aimphys)
663     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
664    
665    checkpoint46j_post
666    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
667    o move wVel computation at the end of the time step, in S/R integr_continuity
668    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
669    o update timeave pkg for wVel diagnostic.
670    checkpoint46j_pre
671    
672    checkpoint46i_post
673    o Clean up AIM package (and keep the results unchanged):
674      include CPP_OPTION and use IMPLICT NONE in all routines ;
675      declare all the variables _RL ; use _d 0 for all numerical constants.
676      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
677    
678    checkpoint46h_post
679    o cleaned up the use of rhoNil and rhoConst.
680      - rhoNil should only appear in the LINEAR equation of state, everywhere
681        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
682        and the dynamical equations are all divided by rhoConst
683    o introduced new parameter rhoConstFresh, a reference density of fresh
684      water, to remove the fresh water flux's dependence on rhoNil. The default
685      value is 999.8 kg/m^3
686    o cleanup up external_forcing.F and external_forcing_surf.F
687      - can now be used by both OCEANIC and OCEANICP
688    checkpoint46h_pre
689    
690     Added code to convert surface volume flux (fresh water) into
691     a mass flux when using P coordinates in the ocean (OCEANICP).
692     Note: It assumes you have set rho0=rhoConst=density of fresh water.
693    
694    checkpoint46g_post
695    o Include a new diagnostic variable phiHydLow for the ocean model
696      - in z-coordinates, it is the bottom pressure anomaly
697      - in p-coordinates, it is the sea surface elevation
698      - in both cases, these variable have global drift, reflecting the mass
699        drift in z-coordinates and the volume drift in p-coordinates
700      - included time averaging for phiHydLow, be aware of the drift!
701    o depth-dependent computation of Bo_surf for pressure coordinates
702      in the ocean (buoyancyRelation='OCEANICP')
703      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
704        Theta, Salinity, and Pressure in the parameter list. This routine is
705        presently contained in find_rho.F. This routine does not give the
706        correct density for 'POLY3', which would be a z-dependent reference
707        density.
708    o cleaned up find_rho
709      - removed obsolete 'eqn' from the parameter list.
710    o added two new verification experiments: gop and goz
711      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
712    checkpoint46g_pre
713    
714    checkpoint46f_post
715    o Enable tangent linear (forward mode) gradient checks:
716      - extended active file handling to g_... files
717      - added TANGENT_SIMULATION to theSimulationMode
718      - extended grdchk package accordingly
719    o added tangent linear setup in verification/carbon/code_ftl
720    o added adjoint setup in verification/front_relax/code_ad
721    
722    checkpoint46e_post
723    o Added new equation of state -> MDJWF
724      - EOS of McDougall et al., 2002, JAOT, submitted
725      - caveat: the equation of state is only valid for a smaller (more
726        realistic?) range of values than JMD95P/Z and UNESCO
727      - added masks to the calculation of pressure in store_pressure
728      - added more check values for density in check_eos (ini_eos.F), some of
729        the old check values are out of the range of the MDJWF-eos, so don't
730        expect perfect matches for those
731    checkpoint46e_pre
732    
733    checkpoint46d_post
734    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
735      'OCEANICP', also initialised field pressure correctly in ini_eos in the
736      case of pressure coordinates. eosType='JMD95Z' in
737      combination with buoyancyRelation='OCEANICP' now causes an error.
738    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
739      in find_alpha/beta.
740    checkpoint46d_pre
741    
742    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
743      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
744    
745    checkpoint46c_post
746    o Changes necessary for ocean in p-coordinates
747     -  Added new buoyancy relation = 'OCEANICP'
748     -  Added new parameters = gravitySign (this used to be contained inside
749        the factor dRdZ which I added when we first switched to R coordinates).
750     X GM/Redi is not compatible (yet)
751     X bottom drag and no-slip need to be debugged.
752    checkpoint46c_pre
753    
754    checkpoint46b_post
755    o Added new equation of state -> JMD95Z and JMD95P
756      - EOS of Jackett and McDougall, 1995, JAOT
757      - moved all EOS parameters into EOS.h
758      - new routines ini_eos.F, store_pressure.F
759    o Added UNESCO EOS, but not recommended because it requires
760      in-situ temperature (see JMD95)
761    o Modified formatting for knudsen2.f in utils/knudsen2 and added
762      unesco.f to be used with POLY3
763    checkpoint46b_pre
764    
765    checkpoint46a_post
766    o Added (atmospheric) pressure loading
767      - new field in FFIELDS.h, etc...
768      - new cpp flag ATMOSPHERIC_LOADING
769    o Changed hFacC to _hFacC in calc_phi_hyd.F
770    o Added SHORTWAVE_HEATING to some files for consistency
771    checkpoint46a_pre
772    
773    checkpoint46
774    further merges from release1_p5
775    o new ctrl package
776      - adopted from ECCO environment to enable optimization
777      - added Eliassen Palm fluxes to controls
778    o added Eliassen Palm flux controls to gradient check package
779    o cost package
780      - Compatible with new ctrl package
781      - added Eliassen Palm cost hooks
782      - modif's of existing cost functions
783    o Adjoint-related bug fixes in kpp:
784      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
785      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
786    o autodiff package
787      - flow directives:
788        + new for S/R do_the_model_io
789        + enhanced for S/R checkpoint
790        + new gmredi.flow
791      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
792        disable adcommon.h/g_common.h by default.
793      - fixed problem for adjoint of global_max
794    o modified verification/carbon/
795    o New setup for adjoint of global_ocean
796    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
797    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
798    o incorporated hooks for sponge layer code (external_forcing.F)
799    
800    checkpoint45d_post
801    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
802    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
803      (affects plume_on_slope "cg2d" output)
804    o add new parameter deltaTfreesurf for free-surface time stepping
805    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
806    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
807    o change phiMin in exp1 (to agree with documentation)
808    o add new flags:
809     - T,S forcing inside/outside Adams-Bashforth
810     - turn off temp,salt advection and/or forcing
811     - for each tracer, define internal flag for multiDimAdvection & A-B
812    o monitor: change definition of KE to check conservation of Energy
813    
814    checkpoint45c_post
815    o Removed f90 comments ("!")
816    o Modified initialisations to enable exf package for MITgcm
817      (without invoking ECCO_PACKAGE).
818    o modifications to gradient check package (Martin Losch)
819      - enable centered differences
820      - modified format of standard output
821    
822    checkpoint45b_post
823    o cleaned exchange calls in cg2d
824    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
825    o included CPP option SINGLE_LAYER_MODE in thermodynamics
826      to configure barotropic setup (Martin Losch)
827    o moved some initialisations within bi,bj loop in dynamics
828      (TAF flow dependency)
829    o in initialise_varia, moved call packages_init_variables
830      before convective_adjustment_init
831      (corresponding adjustment of TAF tape initialisation).
832    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
833    
834    checkpoint45a_post
835    o compute Rho over the whole domain (extend iMin,jMin indices)
836    o specific exchange for X-slice domain (case Ny=1)
837    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
838    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
839    
840    checkpoint44h_post = checkpoint45
841    o Fix to restore differentiability:
842      place at which packages_init_variables is called in
843      initialise_varia is crucial for reverse control flow.
844    o modifications in GMRedi to enable stable adjoint
845      (corresponding modif's in thermodynamics, dynamics)
846    o added missing hook for sponge layer code in external_forcing
847    o modified test cost functions
848    o storing in gad_advection (plus removal of write(0,*)!
849    o missing headers TR1.h added in convective_adjustment routines
850    o errorMessageUnit set non-equal zero in eeboot
851      (conflict on some platforms, e.g. IBM SP3)
852    o modified carbon verif.
853    
854    checkpoint44h_pre
855    o vertical grid option: allow to put the Interface at the middle between
856      2 cell-centers ; replace delZ in pkg/kpp by drF.
857    o GM Advective form: Tracers are advected using the residual transport (=
858      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
859    
860    checkpoint44g_post
861    o fix surface correction term in multiDimAdvection (affects plume_on_slope
862      results) ; ifdef missing in thermodynamics.F
863    
864    checkpoint44f_pre,checkpoint44f_post
865    o added PTRACERS package
866      This allows an arbitrary number of passive tracers to be integrated
867      forward simultaneously with the dynamicaly model.
868      + Implemented so far:
869        - basic forward algorithm (time-stepping, advection, diffusion, convection)
870        - I/O and checkpointing
871        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
872      + Not implemented so far:
873        - KPP
874        - OBCS
875      + No specific example supplied (yet) but global_ocean.90x40x15 has the
876        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
877        line in data.pkg.
878      + This package is disabled by default since it increases storage.
879    
880    
881    o testscript: added -cleanup option
882    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
883                 b) enable to filter 2D fields.
884    
885    checkpoint44e_pre,post
886    o re-wrote convective adjustment to use pre-calculated weights
887      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
888      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
889      Original calls to convect() still in place.
890    
891    chkpt44d_pre,post
892    o added missing EXCLUDE_MONITOR flags
893    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
894      (incompatible typ in MIN/MAX expressions caused problems
895      on IBM SP3)
896    o in genmake added variable MAKEDEPEND
897      plus resetting for case SunOS
898    o added timer_stats.c routine for IBM SP3
899    o removed variables in dynamics
900    !!! I forgot to create tag chkpt44d_pre !!!
901    !!! But chkpt44d_pre = chkpt44c_post    !!!
902    
903    o real fresh water flux implemented with non-linear free-surface.
904    
905    chkpt44c_pre,post
906    o few fix (mask in shap_s2, EmPmR in external_field_load,
907      USE_NATURAL_BCS in solve_for_P);
908    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
909    
910    checkpoint44b_pre/_post
911    o merge of relevant stuff from the ecco-branch:
912      - genmake: removed $S64 overwrite for case SunOS
913      - pkg/exf: update and corrections for field swapping and obcs
914      - pkg/ecco: parameter lists for the_model_main, the_main_loop
915                  harmonized between ECCO and MITgcm
916      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
917                      updated checkpointing_lev... lists for obcs
918      - model/src: minor changes in forward_step, plot_field
919                   added directive for divided adjoint in the_main_loop
920      - pkg/mdsio: added mdsio_gl_slice
921    
922    o check parameters & config (chkpt44a_pre,post)
923    o OBC and NonLin_FrSurf.
924    
925    checkpoint44
926    o fix bug in mom_vi_del2uv
927    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
928    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
929    o update AIM experiments (NCEP input files)
930    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
931    o added some stuff for AD
932    
933    checkpoint43
934    o added two new advection tests
935    o added global 4x4 degree ocean test
936    o added test of H&S94 with free surface on cube
937    o some final mods for gradient check, adjoint,...
938    
939    checkpoint42
940      Fixed AD-related problems:
941    o Store directives up-to-date with re-arranged Adams-Bashforth
942      (mainly thermodynamics.F)
943    o New store directives for multi-dim. advection schemes
944      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
945      * new common block and key passkey
946      (mainly gad_advection.F)
947    o Modified store directives for split of dynamics/thermodynamics
948      for the case ALLOW_KPP
949    o Cleaned argument list for timestep_tracer.F
950    
951    checkpoint41
952    o re-formatted/added comments in prologues of key subroutines
953      to work with protex
954    
955    checkpoint40
956    o moved calc_gs, calc_gt and calc_tr1 back to model/src
957    o added FLT (floats) package from Arne along with demo. experiment
958    o re-arranged Adams-Bashforth scheme for tracers to allow easier
959      implementation of forward-in-time forcing terms
960    o more mods for non-linear free-surface including new variable
961    o modified multi-dim method to work on cube
962    o bug fix in KPP (from DM)
963    
964    checkpoint40pre9
965    o added DST advection schemes
966    o fix MPI bug on SGI's
967    o modifications for non-linear free-surface
968    o fixed conditionals for fixed flow/passive tracer only mode
969    o added tension/strain form of stress tensor
970    o changes to commenting of arguments for TAF/TAMC
971    o added/updated many matlab scripts
972    o added multi-dimensional advection method for tracers
973      
974    checkpoint40pre8
975    o new package rw/
976      Added method for dumping intermediate local arrays:
977      mdsio_writetile - same as mdsio_writefield except works from inside
978                        bi,bj loop
979      mdsio_writelocal - same as mdsio_writetile except works for local
980                         arrays
981      write_local_r? - higher-level wrapper for mdsio_writelocal
982      Controlled by diagFreq. Defaults to zero (ie. no dumps)
983      Example given at end of mom_vecinv.F that dumps some local arrays.
984    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
985      control flux-form versus vector invariant code.
986      Switch is runtime flag vectorInvariantMomentum (defaults to false)
987      or genmake -DISABLE ...
988    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
989      (additional storing is now needed for case vecinv;
990      currently nothing implemented to switch this storing off
991      in case fluxform is used since no CPP flag available).
992    
993    checkpoint40pre7
994    o bug fix in dynamics.F
995      calc_viscosity called before k=1,Nr loop.
996    o added some #ifdef's ALLOW_PASSIVE_TRACER
997    o cleaned initialisations in ctrl_map_ini
998      related to TAF
999    
1000    checkpoint40pre6
1001    o split dynamics into thermodynamics & dynamics
1002    o corresponding split of calc_diffusivity into
1003      calc_diffusivity, calc_viscosity
1004      (kpp_calc_diff, kpp_calc_visc).
1005    o Added diffkr, kapgm to control variables
1006    o bug fix in gmredi_slope_limit for ldd97
1007    
1008    checkpoint40pre5
1009    o proper initialization of Adams-Bashforth time stepping
1010      + uses forward step for very first step of model (iter=0)
1011    o re-generated *all* output since almost all output is modified by this
1012      change (sorry but we've been putting this one off for about 2 years)
1013      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
1014        *not* regenerated since they are already out of date and I don't
1015        want to create the impression that they are suddenly working.
1016    o removed KAP stuff for DEC's
1017    o modified/added many .cvsignore files in */code and */input
1018    o added new expt "solid-body.cs-32x32x1"
1019      + this uses an alternative form of ini_curvilinear_grid.F which
1020        is not necessarily any better than the current one...
1021    
1022    checkpoint40pre4
1023    o added re-initialisations of utrans,vtrans,rtrans in
1024      calc_common_factors which are crucial for TAF.
1025    o extended iMin,jMin range for calc_common_factors,
1026      calc_diffusivity
1027    o added option ALLOW_PASSIVE_TRACER
1028    o a few minor updates and fixes
1029    
1030    checkpoint40pre3
1031    o created calc_gtr1.F for gad package
1032    o split the_main_loop and re-introduced forward_step
1033    o some recomputations of nIter0 for TAMC
1034    
1035    checkpoint40pre2
1036    o Updated to latest branch of AJA, JMC
1037    o Added gradient check package
1038    o Added routines for passive tracer handling
1039    o Added carbon sequestration sensitivity experiment
1040    
1041    checkpoint39
1042     o Modifications and fixes to support TAMC
1043       (mainly missing or wrong directives)
1044     o Corrected common blocks when fooling TAMC to produce adjoint I/O
1045       in addummy_in_stepping
1046     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
1047     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
1048     o Included following packages:
1049       cal: calendar
1050       exf: external forcing
1051       ecco: essential routines to control use of cal, exf
1052             (NB: this is not the full ECCO environment)
1053     o disabled some packages by default in genmake
1054    
1055    checkpoint38
1056     o see notes_c37_adj.txt
1057     o corrected wrong layer index in external_forcing_t
1058     o replaced the_main_loop/forward_step by the_main_loop
1059     o removed forceoutput from write_state
1060       (replaced criteria for initial/final state)
1061     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
1062    
1063    checkpoint37
1064     o mdsio.F routine split and packaged in pkg/mdsio
1065       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
1066        used unless genmake -disable=mdsio)
1067     o allow a more precise surface-geopotential gradient for the atmosphere
1068       taking into account the change in space of Alpha (=1/rho) at the surface.
1069     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
1070       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
1071     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
1072       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
1073       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
1074     o Time-Average diagnostics defined as a pseudo package "timeave".
1075     o pickup files : old pickup (before c35) did not work with new code (c35
1076       and after) unless activating 2 commented lines in initialise-varia.
1077     o Non-Hydrostatic pickup file Pb fixed.
1078     o bug with Rigid-lid version (since c35) fixed.  
1079    
1080    checkpoint36
1081     o implement Crank-Nickelson barotropic time-stepping
1082     o recover Time-Average diagnostics
1083     o fix Pb in checkpoint (PR#19)
1084     o AIM become a standard package ; clean unused CPP_kees
1085    
1086    checkpoint35
1087     o subtantial rewrite of dynamics.f
1088     o allows staggered time-stepping
1089     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
1090     o added bottom drag (linear + quadratic)
1091    
1092    checkpoint34
1093     o Modified exchange routines for correct reverse simulation.
1094     o Added verification output to comply with bug fix in impldiff.F
1095       as of c33 (exp2, natl_box).
1096     o Corrected store directives in dynamics.F
1097     o Corrected array boundaries in impldiff.F
1098     o Corrected array dimensions in gmredi.
1099       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
1100     o Added routine GLOBAL_SUM_INT to global_sum.F
1101     o Added mdsio_gl.F for ECCO purposes.
1102    
1103    checkpoint33
1104     o Fixed bug in lower BC in impldiff.F
1105     o Fixed confusion about units of forcing arrays in FFIELDS.h
1106       namely Fu,Fv,Qnet,Qsw,EmPmR:
1107       - Removed verification/natl_box/code/external_fields_scale.F
1108         (did not differ from that in model/src)
1109       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
1110         (see FFIELDS.h for description)
1111       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
1112         kpp_calc.F and kpp_transport_t.F
1113       - Removed model/src/external_fields_scale.F and calls to it
1114       - verification/natl_box uses flux data with "atmospheric" sign so
1115         a special version of external_fields_load.F is used to
1116         change the data as it's read in. This way, the arrays
1117         have the right units and signs at all times tha a user could
1118         possibly use them.
1119     o Corrected genmake to delete a temporary file during configuration
1120    
1121    checkpoint32
1122     o Scaling of forcing fields moved from external_forcing.F to
1123       external_fields_scale.F, called directly after loading fields.
1124     o Surface relaxation terms added to surface tendency fields in
1125       extra subroutine.
1126     o impldiff.F changed to avoid storing by TAMC of huge intermediate
1127       fields.
1128     o Changes in GMRedi to comply with packaging structure.
1129     o Modifications and bug fixes in KPP package.
1130     o Verification experiment for KPP added (verification/nat_box/)
1131    
1132    checkpoint31
1133     o Packages interface brought in line with defined standard
1134       -> new routines packages_...F
1135       -> changes in initialise_fixed.F, initialise_varia.F
1136       -> enables initialisation interface for ECCO package
1137     o Rescaling of external forcing fields immediately after read
1138       (removed from external_forcing.F)
1139       -> new: surface_fields_scale.F
1140       -> affects ini_foorcing.F, external_fields_load.F
1141     o Computation of surface tendencies before tendency updates.
1142       -> new: external_forcing_surf.F
1143     o Change of variable names useGMRedi, useKPP, useECCO
1144     o Further changes in dynamics.F, impldiff.F for TAMC
1145     o Tested for experiments 0, 2, 4.
1146       - not yet tested for GMRedi.
1147       - not yet tested for KPP.
1148    
1149    checkpoint30
1150     o Updates for OBCs
1151     o New experiment for test OBCs (internal_wave)
1152     o New output.txt in verification/exp4/results/
1153     o Updates for KPP: calculation of viscosity corrected, new variables
1154       kpp_dumpFreq and kpp_taveFreq
1155     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
1156       and entry for T90 in genmake
1157    
1158    checkpoint29
1159     o packaged KPP and GM/Redi
1160    
1161    checkpoint28
1162     o Corrected initialization of hFacMin for difference vertical coordinates
1163     o Modified calculation of partial cell thickness to more robust algorithm
1164     o config_summary.F: replaced write_1D_... by write_0D_...
1165       read_write.F: added subroutines write_0D_...
1166     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
1167       included some initialisations required for TAMC.
1168     o routine calc_isoslopes: modified sqrt computation to make it
1169       differentiable for zero argument.
1170     o routines dynamics, impldiff:
1171       included store directives and tape key computations required for TAMC.
1172     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
1173    
1174    checkpoint27
1175     o fixed calc_isoslopes() to so that cancellation of terms in tensor
1176       formulation works properly with variable resolution.
1177     o restructured the calling tree between the_model_main() and dynamics()
1178     o split initialise() into initialise_fixed() and initialise_varia()
1179     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
1180       in new routine ini_psurf()
1181    
1182    checkpoint26
1183     o moved some #ifdef in optional routines to encompass everything
1184       except the argument declarations. This was using up some memory.
1185     o fixed macros like _ADT to work with both versions of Linux cpp
1186     o cleaned up some unused and uninitialized variables
1187       (helps when debugging with strict compile options)
1188     o split up CPP_EEOPTIONS.h into options and macros
1189       (macros are now in eesupp/inc/CPP_EEMACROS.h)
1190     o patch for 2 processor JAM mode
1191    
1192    checkpoint25
1193     o updates for OBCs and NH
1194     o dramatically reduced memory usage
1195     o added "JAM" routines for use on Artic network
1196     o parameterization of convection by implicit vertical diffusion
1197     o added a diagnostic of convective index
1198     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
1199       (this is was partly for OBCs and NH but also in anticipation of
1200        an explicit free-surface option)
1201     o initial state input files for U and V
1202    
1203    checkpoint24
1204     o Removed some spurious "REAL"s
1205     o Updated KPP to latest version from JPL
1206     o Added a COS(latitude) in horizontal viscosity
1207    
1208    checkpoint23
1209     o Added del^4 diffusion for salt and temperature
1210     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
1211    
1212    checkpoint22
1213     o Made many small changes: implicit none, format(i5), etc...
1214     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
1215    
1216    checkpoint21
1217     o Introduced new I/O package that supports direct-access records (mdsio.F)
1218     o Split-up mid-level I/O routines
1219     o Updated input data for experiments 0,1,2,4 and 5
1220     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
1221    
1222    checkpoint20
1223     o Tidied up open-boundaries some more
1224     o Added non-hydrostatic code
1225     o Fixed some input data
1226     o Modified MPI start-up to work in "coupled" context.
1227    
1228    checkpoint19
1229     o Tidied up directory structure for verification experiments.
1230     o Added new code for open boundaries.
1231     o Corrected advective terms near boundaries.
1232     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
1233     o Implemented free-slip/no-slip BCs and del^4 dissipation.
1234     o Split default parameters out of ini_parms.F into set_defaults.F.
1235    
1236    checkpoint18
1237     o Further changes for optional code generation with
1238       CPP - ugh!
1239    
1240    checkpoint17
1241     o Beginning to incorporating modularity
1242       for supporting atmos. and ocean configs.
1243     o Small changes for TAMC complinace
1244     o New ultra simple test case. Barotropic box
1245       configuration "exp0".
1246    
1247    checkpoint16
1248     o Minor changes to exchange routines to support
1249       accumulation in reverse mode. Adjoint of an
1250       assignment is an addition.
1251     o Changes to support compilation by TAMC (LR(1)
1252       syntax) and by g77 under Linux ( 72 character
1253       limit ).
1254    
1255    checkpoint15
1256     Rewrote exchange routines to allow
1257     o General tile <-> tile connectivity.
1258     o TAMC reverse mode flag ( is this really needed? )
1259     o Variable width overlap and exchange region widths.
1260     o Hooks for sharing data via DMA, Arctic, Memory Channel,
1261       shmput/shmget, VIA, SYSV shmem and every other cool
1262       communication method.
1263    
1264    checkpoint14
1265     Consistent isomorphism chages made. These allow dynamical core
1266     to support both pressure and meters as a vertical coordinate.
1267    
1268    checkpoint13
1269     Release which corrects global_max problem and a couple
1270     of KGM time-averaging diagnostic errors. Also contains
1271     a double-gyre experiment setup as well as the baseline
1272     4 degree global template. The double gyre template is
1273     organised to allow it to be applied automatically to
1274     the baseline configuration.
1275    
1276    branch-point-rdot
1277     A few tidy-ups have been made bt the real point of this
1278     check-point (excuse the pun) is to allow a branch to be
1279     made for the purposes of adding the rDot alterations.
1280     I don't want to commit the rDot to the main-trunk until
1281     we've actually tested it...
1282    
1283    checkpoint12
1284     Tidy up and added generic genmake script (formerly
1285     configure script).
1286     Released to testers.
1287    
1288    checkpoint11
1289     Re-arranged initialise() and introduced ini_vertical_grid()
1290     and ini_masks_etc().
1291    
1292  checkpoint10  checkpoint10
1293   Introduced the configure script.   Introduced the configure script.
1294   Separated out the diags package.   Separated out the diags package.

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