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revision 1.13 by cnh, Wed Sep 9 15:24:19 1998 UTC revision 1.205 by heimbach, Fri Nov 7 05:24:46 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint52 = ecco_c52_e35
7    o after testing adjoints of checkpoint51u_post
8    
9    checkpoint51u_post
10    o this is the post-merge tag of the ecco-branch
11      (needs another clean checkout and re-testing)
12    o various natl_box_adjoint configs and results
13      but no input fields
14    o obcs adjoint not yet merged!
15    o adding ECCO global 1x1 and 2x2 degree configs
16    o updated/extended some store directives for seaice
17    o pkg/ecco now containes ecco-specific part of cost function
18    o top level routines the_main_loop, forward_step
19      supersede those in model/src/
20      previous input data.cost now in data.ecco
21      (new namelist ecco_cost_nml)
22    o in ctrl/ cleaned some cross-dependencies and updated CPP options
23    
24    checkpoint51t_post
25    o this is the pre-merge tag of the ecco-branch
26    
27    checkpoint51s_post
28    o cleanup: removed various obsolete #define-s
29    o pkg/grdchk
30      - renamed 'ph-grd 3' to 'grad-res'
31      - merged from ecco-branch
32        (remaining bug fixes for obcs gradient checks)
33      - additional high-precision output for testreport
34        (grep for 'precision_grdchk_result')
35    
36    checkpoint51r_post
37    o cleaned up or removed CPP_OPTIONS.h files
38    o updated results for some of the tests to reflect the new
39      optfiles (-ieee: -O0 instead of -O3)
40    
41    checkpoint51q_post
42    o cd_code:
43      - moved cd_scheme.F -> cd_code_scheme.F
44      - separate read_checkpoint from cd_code_ini_vars.F
45      - separated cd_code part from write_checkpoint
46      - updated AD_SOURCE, generated .flow
47      - added CD_CODE_VARS.h to the_main_loop
48      - Moving cd_code specific store dir.s to pkg/cd_code
49    o ctrl package totally restructured
50      - pack/unpack now optional and decoupled from
51        xx_/adxx_ I/O
52      - ctrl_pack/unpack cleaned
53        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
54      - confined inclusion of AD_CONFIG.h to where necessary.
55    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
56    
57    checkpoint51p_post
58    o create initial cd_code package
59      - WARNING: the initialization of fields within packages
60        is broken because INI_FIELDS (where READ_CHECKPOINT is
61        called) is called *before* PACKAGES_INIT_VARIABLES.
62        This seems to be backwards since
63        1) its important to initially zero the entire field including
64           the "halo" region
65        2) zeroing needs to be done *before* reading pickup info
66           and the pickup call might or might not happen in any
67           particular run
68      - this needs an overhaul for R2
69    o cleanup verification/*/code/GMREDI_OPTIONS.h
70    o cleanup testreport
71    
72    checkpoint51o_post
73    o bringing AD-related verif's up to date with genmake2
74      - carbon/
75      - global_ocean.90x40x15/
76      - hs.94.1x64x5/
77      - (front_relax/ )
78    o (more) consistent directory structure for AD-related verif.'s
79    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
80    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
81    o bug fix in find_alpha.F for MDJWF:
82      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
83        change rho -> rho-rhoConst
84      - replace call find_rho to find_rhonum
85    o initialisation of rFlx extended to full array (required by TAF)
86      and shifted to thermodynamics
87    o removed PTRACERS.h in ptracers routine
88    o added surfacetendencyPtr to S/R parameter list pracers_forcing
89    o Correcting initialisations for fVerU, fVerV.
90    o helping TAF to recognize dependency on kUp for
91      fVerU, fVerV
92    o Replacing delZ by delR in pkg/ctrl/
93    checkpoint51o_pre
94    
95    o undid all of cp51 pending some cleanups and discussion
96    o added the [#include "AD_CONFIG.h"] statement to all files that need
97       it for adjoint/tl #defines
98     o re-worked the build logic in genmake2 to support AD_CONFIG.h
99     o removed tools/genmake since it no longer works
100    
101    checkpoint51n_post
102    o modifications to make FREEZE flux visible to pkg/kpp
103      - moved surfaceTendencyTice from pkg/seaice to main code
104      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
105      - subroutine FREEZE now limits only surface temperature
106        (this means new output.txt for global_ocean.90x40x15,
107         global_ocean.cs32x15, and global_with_exf)
108    o added surface flux output variables to TIMEAVE_STATVARS
109    
110    checkpoint51n_pre
111    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
112    o added [#include "AD_CONFIG.h"] to all files that use the following
113      defines:
114      - ALLOW_ADJOINT_RUN
115      - ALLOW_TANGENTLINEAR_RUN
116      - ALLOW_ECCO_OPTIMIZATION
117    
118    checkpoint51m_post
119    o incorporating changes to get TAMC/TAF working in genmake2
120      - added new TAMC/TAF targets to the Makefile
121      - various cleanups related to package handling
122      - these changes should have no impact on the forward model
123    
124    checkpoint51l_post
125    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
126     - faster algorithm for cal_addtime.F
127     - higher precision arithmetic, where needed
128     - pkg/exf *startdate variables changed from calendar date to
129       model integration time
130    
131    checkpoint51l_pre
132    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
133    o enable to apply restoring on S & T only in a latitude band.
134    o update output (external_forcing_surf modif. change truncation errors)
135       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
136    
137    checkpoint51k_post
138    o change default to: useNHMTerms=.FALSE.
139     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
140       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
141     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
142        exp1, ideal_2D_oce
143     - change data file of oceanic exp (leave the results unchanged for now)
144       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
145    o set gravitySign automatically according to the vertical coordinate used
146      (and change sign: back to "logical" value: +1 when R increases downward)
147    o added an include barrier to the default CPP_OPTIONS.h and
148      removed the #include "PACKAGES_CONFIG.h" from it
149    o fix a bug in mom_fluxform (from chk51j_post)
150    
151    checkpoint51j_post
152    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
153    o adjusted some flow directives (dynamics, thermodynamics)
154    o added cubed-sphere case to test cost function
155    o heckpoint_lev?_directives.h now include
156      pkg-specific directives, whenever those are enabled.
157    o Moving pkg-specific flow directives to corresponding pkg
158      Moving pkg-specific differentiation list to corresponding pkg
159      Moving pkg-specific checkpoint-lev storing to corresponding pkg
160      ---> conventions are
161           - pkg_ad.flow
162           - pkg_ad_diff.list
163           - pkg_ad_check_lev?_dir.h
164    
165    checkpoint51i_post
166    o merge of the branch-genmake2
167      - knowingly breaks the older genmake
168      - automatic generation of all ALLOW_${PKG_NAME} defines
169      - new testreport supersedes older testscript
170    o large number of package inclusion and header cleanups
171    checkpoint51i_pre
172    
173    o new output for adjoin of global ocean vector invariant
174    o fix for checkpoint of thermodynamic seaice and bulk_force
175    o Steph gchem various cleanups
176    
177    checkpoint 51h_pre
178    o fixed some single quotes
179    o modify gchem pkg to be more versatile
180    o modifications to clean up dic pkg
181    o add pkg/cfc
182    
183    checkpoint51g_post
184    o provide links for ARPACK and ADM*TLM
185    o start removing verification/vero/
186    o update AD-related stuff
187      (in particular some IF-statements in model/src/ routines)
188    o adding to verification/global_ocean.90x40x15/ adjoint of
189      vector invariant setup
190    
191    checkpoint51f_post
192    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
193    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
194      of tracer Green's fucntions for ocean inversion project.
195    
196    checkpoint51f_pre
197    o Added on-the-fly spatial interpolation capability
198        "USE_EXF_INTERPOLATION" to pkg/exf.
199      - This is a temporary Cartesian-grid hack until
200        the super-duper ESMF coupler becomes available.
201      - See verification/global_with_exf/README for usage example.
202      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
203        flags and modified pkg/seaice accordingly.
204    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
205        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
206        non-local transport term.
207    
208    checkpoint51e_post
209    o pkg/mom_vecinv:
210      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
211      - add time-ave diagnostic of vorticity advection.
212    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
213    o atmospheric geopotential: - include water vapor effect;
214                                - use p^kappa in p* scaling.
215    o land pkg: read initial state from files.
216    o AIM : add stratospheric drag in the upper level
217    
218    checkpoint51d_post
219    o change function ILNBLNK (=> last non-blank char.) to return zero
220      (instead of the string length) when the string. char is empty
221    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
222    o modif's to restore TAMC compatibility
223      - avoid "_d" constructs in PARAMETER declarations
224      - avoid interrupting lines by comment lines
225    o Use cluster local disks for purely local I/O
226      vs. globally visible disks needed for ctrl stuff
227      (merged from ecco-branch)
228      - new active_file_loc... and mdsio_..._loc routines
229      - affected packages: autodiff, ctrl, grdchk, mdsio
230    
231    checkpoint51c_post
232    o introducing integer flag debugLevel
233      - debLevZero: suppress all output
234      - debLevA: standard
235      - debLevB: equivalent to current debugMode=.TRUE.
236    o introducing pathname variable mdsioLocalDir for mdsio
237      that can be specified at runtime
238      (relevant for cluster I/O to local disk)
239    `
240    >>>checkpoint51b_post
241    adjoint of ptracers
242    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
243    o extended state in checkpoint_lev?, etc.
244    o alternative ctrl/cost with tr1 or ptracer
245    o new comlev1_bibj_ptracers
246    o new ptracers.flow
247    o made ptracers_forcing same as external_forcing_s
248    o added verification for adjoint with ptracers
249      - adm. grdchk fail so far
250      - tlm. grdchk OK
251      - checked tapelev/comlev recomputations: OK
252    <<<checkpoint51b_pre
253    
254    checkpoint51a_post
255    o added code for biogeochemistry package
256      - new pkgs: dic, gchem
257      - new subroutine in ptracers
258    o modify code for biogeo packages
259      - in model/src and pkg/ptracers
260    
261    checkpoint51
262    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
263      - autodiff, ctrl, exf, grdchk, seaice
264      kept separate packages
265      - cost, ecco, obcs
266    o updating verification/internal_wave, verification/lab_sea
267      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
268    
269    checkpoint50i_post
270    o Preparing next differentiable checkpoint and sync
271      of MAIN vs. ecco-branch
272      - 1st step: this one is differentiable
273      - 2nd step: next(! not this) checkpoint will have updated packages
274                  from ecco-branch)
275    
276    checkpoint50h_post
277    o new package "land": provide surface BC for AIM.
278    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
279    o AIM: use true log-P extrapolation for near surface temp (= as in
280        F.Molteni paper) ; update aim.5l_cs output.
281    o New variable in PARM03 for more flexible pickups
282    o somewhat cleaned package initialisation sequence for
283      ctrl/ cost/ ecco/ in packages_... routines
284    
285    checkpoint50g_post
286    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
287      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
288      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
289        made the default because of faster convergence than ADI
290    
291    checkpoint50f_post
292    o exf totally restructured
293      - replaced all exf_set_ routines by one generic exf_set_gen.F
294        and made sure it's still differentiable
295      - split exf_getffields.F into new exf_bulkformulae.F
296      - exf_inscal_/exf_outscal_ suffixes consistent with field names
297      - updated adjoint/makefile and relevant verif. accordingly
298    
299    checkpoint50f_pre
300     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
301          + change Evap over land. (update aim.5l_cs output)
302     o added missing .cvsignores and made uniform across expts
303     o changed configuration of tidal_basin_2d expt
304     o added pkg/debug functions for tracing code in fatal crashes
305     o tidied pkg/monitor to use MONITOR_OPTIONS.h
306     o new fn in pkg/monitor to stop model if solution grows too big
307     o removed lots of single quotes from comments
308    
309    checkpoint50e_post
310    o make KPP work with PTRACERS
311     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
312       nearly a copy of kpp_transport_s
313     - there is no analogue to SurfaceTendencyS, so I have to use
314       gPtr(of the surface layer) instead
315    o add a new platform SunFire+mpi (SunFire 15000) to genmake
316    checkpoint50e_pre
317    
318    checkpoint50d_post
319    o change kpp output from multiple-record state files to single-record state
320      files analogous to write_state.F
321    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
322      analogous to the cg2d-related output.
323    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
324      so that writing to internal file fn (with length 512) fails.
325    checkpoint50d_pre
326    
327    checkpoint50c_post
328    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
329    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
330    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
331    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
332    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
333    
334    checkpoint50c_pre
335    Merging from release1_p13:
336    o bug fix for pkg/seaice dynamic solver
337    o Added SEAICE_initialHEFF to pkg/seaice
338    
339    checkpoint50b_post
340    o store u*,v* in gU,V instead of in guNm1,gvNm1
341    o in order to put the momForcing out of the Adams-Bashforth:
342      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
343      to timestep.F
344    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
345    o re-generate output for highly sensitive test-exp:
346       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
347    
348    checkpoint50b_pre
349    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
350    o corrected CPP option mismatch in exf_Bulk... functions for case
351      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
352    
353    checkpoint50a_post
354    o Bug fix for merging between c50 and KPP.
355      ikey was passed from thermodynamics to kpp_calc via
356      common block rather than being recomputed in kpp_calc,
357      in contradiction with new key itdkey.
358      New key ikppkey created, and tamc.h headers updated.
359    
360    checkpoint50
361    - 2nd step of merge with ecco-branch:
362      merge changes in ecco-branch back into main trunk
363    - bug fix in find_alpha
364    - more storing in gmredi_calc_tensor.F, kpp_routines.F
365    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
366    - merged some sliced AD support routines
367    
368    checkpoint49
369    merged from ecco-branch:
370    o exf:
371      - Enable initialisation of forcing fields to constant
372        (runtime) values.
373      - in exf_getffields.F
374        Reduce i-/j-loop to interior domain, discarding overlaps.
375        That also fixes wrong TAF-key computations for key_1, key_2
376        with bulf formulae.
377      - exf_init.F modify #ifdef for exf_init_evap
378      - exf_getffieldrec.F, ctrl_getrec.F
379        The following INT-usages are not safe:
380          fldsecs  = int(fldsecs/fldperiod)*fldperiod
381          fldcount = int(fldsecs/fldperiod) + 1
382        and were modified.
383    o autodiff: checkpoint_lev...
384      - updated storing for bulk formulae (some arrays were missing)
385      - added state for seaice package
386      - synchronized with main branch
387    o DIVA:
388      Modif.s in
389      - the_main_loop.F
390      - the_model_main.F
391      and added cost_final_restore.F cost_final_store.F
392      o With these changes, it is possible to fully separate
393        the first forward run to compute the cost function (mdthe_main_loop)
394        and adjoint runs over individual DIVA intervals (adthe_main_loop)
395        into separate model executions.
396        This enables better tuning of DIVA to given queue sizes.
397      o Loss of cost function value in consecutive DIVA runs is
398        fixed by storing to 'costfinal' file.
399      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
400        beginning/end of adjoint integration is accounted for.
401      The current changes apply to TAF-1.4.26.
402      TAF has one remaining bug, requiring one manual change
403      (see MITgcm manual).
404    o cal: synchronized between MAIN and ecco-branch
405    
406    checkpoint48i_post
407    o Changes to restore differentiability of code w.r.t. previous tag
408      (mostly adding new routines to make list and replacing
409      pressure by totPhiHyd).
410    o Updated and merged grdchk package
411      - has both ADM and TLM checks
412      - works for single- and multi-proc.
413      - output cleaned
414      - worked successfully for parallel DIVA
415    o genmake:
416      - Adding -platform=SP4
417      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
418    o Modif. for DIVA:
419      ctrl_unpack should not be called in intermediate DIVA interval.
420      (similar thing would apply for active files such as
421      tbar, sbar, psbar, which should not be reinitialised;
422      only relevant for ecco-branch)
423    
424    checkpoint48h_post
425    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
426    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
427    o Added SEAICE_initialHEFF to pkg/seaice
428    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
429    
430    checkpoint48g_post
431    --- EOS:
432    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
433      store total Potential in totPhyHyd for diagnostics & EOS.
434    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
435    --- Pressure/geopotential gradient:
436    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
437    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
438      ( changes results of global_ocean_pressure )
439    o NLFS + z-coord.: add eta*Rho' contribution.
440    o accurate phiHyd when using interface-W at the middle between 2 centers
441     ( changes results of ideal_2D_oce )
442    o includes r* 2nd term in potential gradient.
443    
444    checkpoint48f_post
445    Merging from release1_p12:
446    o Modifications for using pkg/exf with pkg/seaice
447      - improved description of the various forcing configurations
448      - added basic radiation bulk formulae to pkg/exf
449      - units/sign fix for evap computation in exf_getffields.F
450      - updated verification/global_with_exf/results/output.txt
451    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
452      (SBO) core products, including oceanic mass, center-of-mass,
453      angular, and bottom pressure (see pkg/sbo/README.sbo).
454    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
455      to avoid negative values in shallow regions.
456      - updated verification/natl_box/results/output.txt
457      - updated verification/lab_sea/results/output.txt
458    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
459    o Added useSingleCpuIO option (see PARAMS.h).
460    o Updated useSingleCpuIO option in mdsio_writefield.F to
461      work with multi-field files, e.g., for single-file pickup.
462    o pkg/seaice:
463      - bug fix in growth.F: QNET for no shortwave case
464      - added HeffFile for specifying initial sea-ice thickness
465      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
466    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
467      kpp_transport_t.F, forward_step.F, and the_main_loop.F
468    o pkg/seaice:
469      - adjoint-friendly modifications
470      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
471    
472    checkpoint48e_post
473    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
474    o dynamics: change definition of computational domain & adapt mom_fluxform
475      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
476    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
477        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
478        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
479        global_ocean.90x40x15 global_with_exf global_ocean_pressure
480        inverted_barometer solid-body.cs-32x32x1
481      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
482    
483    checkpoint48d_post
484    o in preparation for r*:
485     a) use pre-computed gradient of hydrostatic potential:
486        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
487     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
488        => affects results of glob_oce_pressure (different truncation error)  
489      update output.txt of ideal_2D_oce & global_ocean_pressure
490    
491    checkpoint48d_pre
492    o in preparation for r*:
493      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
494      pass the 2 comp. of the grad. as arguments to momentum S/R.
495      but for the moment, only used if it does not change the results.
496    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
497    
498    checkpoint48c_post
499    Modifications in treatment of initial flux forcing controls
500    to avoid extra storing of flux fields.
501    
502    checkpoint48c_pre
503    o Added tidal_basin_2d experiment (currently 1D!)
504    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
505    
506    checkpoint48b_post
507    o r* coordinate added in #ifdef NONLIN_FRSURF block.
508     (modification to pressure gradient not yet implemented)
509    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
510      (for U & V) that are used for vertical advection of momentum.
511    
512    checkpoint48a_post
513    o In preparation for r*, use temp. array to compute vertical transport
514       in flux-form momentum pkg. => change results of few test-exp.
515      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
516                        lab_sea, natl_box & plume_on_slope
517    
518    checkpoint48
519    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
520    
521    checkpoint47j_post
522    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
523    o moved adexch from forward_step to addummy_in_stepping
524    o added exch in ctrl_map_...
525    o aveFreq.=0. at end of cost_final to avoid overwrite in
526      reverse checkpointing loop
527    o Yet more changes in gmredi:
528      * adgmredi_calc_tensor
529        avoiding all recomputation of gmredi_slope_limit
530      * adgmredi_x/y/rtransport
531        added flag for excessive storing to avoid recomp. of
532        u/v/rtans, dTdx/y/z
533        -> this is not really necessary and very memory-consuming
534      * adgmredi_slope_psi:
535        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
536      * gmredi_slope_limit
537        re-activated full calculation of taperfct for case 'ac02'
538    o updating verification/ adjoints of carbon, global_ocean.90x40x15
539    
540    checkpoint47i_post
541    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
542    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
543      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
544    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
545    o gmredi: fix few bugs.
546    
547    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
548    This will be a good checkpoint to plug into the ecco-branch.
549    o few modif.'s to get latest version adjointed
550      (mainly kick out code in ini_linear_phisurf)
551    o modif's to run adjoint with exactConserv
552    o case GM_BOLUS_ADVEC should be cleaned
553      S/R gmredi_slope_psi should be cleaned
554    o verification/carbon now has exactConserv=.TRUE.
555    
556    checkpoint47g_post
557    o time-average AIM output: becomes independent from statvars time-average
558      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
559    o After TAF bug fix:
560      Tested adjoint of gmredi package.
561      Tests were done with checkpoint47 rather than with latest
562      checkpoint47f_post since the latter is broken for the adjoint
563      verification/carbon/ contains both ADM and TLM gradient checks.
564    Here they are, before they get changed/lost/stolen.
565    Mostly modif.'s to fix numerical sensitivities.
566    Gradient checks OK for
567    - GM_taper_scheme:
568      * clipping
569      * ac02
570      * linear
571      * glw91
572      * dm95
573      * ldd97
574    - GMREDI_OPTIONS:
575      * GM_VISBECK_VARIABLE_K
576      * GM_NON_UNITY_DIAGONAL
577      * GM_EXTRA_DIAGONAL
578      * GM_BOLUS_ADVEC
579    in conjunction with data.gmredi parameters to be checked in
580    in a few minutes under verification/carbon/code/
581    
582    checkpoint47f_post
583    Merging from release1_p10:
584    o modifications for using pkg/exf with pkg/seaice
585      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
586        and SEAICE_EXTERNAL_FLUXES
587      - pkg/exf CPP options EXF_READ_EVAP and
588        EXF_NO_BULK_COMPUTATIONS
589      - usage examples are Experiments 8 and 9 in
590        verification/lab_sea/README
591      - verification/lab_sea default experiment now uses
592        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
593    
594    checkpoint47e_post
595    o created a tag prior to creating a branch
596    
597    checkpoint47d_post
598    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
599      at the bottom boundary had an erroneous half slip boundary condition
600    o added bottom drag and no slip boundary condition capabilities to
601      oceanic pressure coordinates code
602    o added new verification experiment global_ocean_pressure, this experiment is
603      also described in the tutorial section of the manual
604    checkpoint47d_pre
605    
606    checkpoint47c_post
607    o Added a verification experiment for a global cubed-sphere ocean run
608      -  verification/global_ocean.cubed32x32x30
609      -  uses pkg/therm_seaice and pkg/bulk_forcing
610    
611    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
612    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
613      when using P-coordinate; only implemented for atmospheric config.
614    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
615      NOTES: requires option NONLIN_FRSURF to be "#define".
616    o update advect_xz/results/output.txt (left from checkpoint44g_post)
617    
618    checkpoint47b_post
619    Merging from release1_p9:
620    o pkg/seaice
621      - removed GOTO's and added taf directives
622      - double precision constants to reduce the g77 (Linux)
623        to F77 (SGI) differences reported in release1_p8
624    o tools/genmake
625      - added SGI options
626    o verification/testscript
627      - updated to that of checkpoint47a_post
628    o verification/global_ocean.90x40x15/input/eedata
629      - modified for SGI f77 compatibility
630    o verification/lab_sea
631      - added description of sea-ice model
632      - added missing matlab routines
633      - added test of thermodynamics parallelization
634    
635    checkpoint47a_post
636    o new pkg: aim_v23
637     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
638       for now, keep the same surface forcing as before.
639     - Part-Cell implemented into AIM; check that Heat & Water are conserved
640     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
641     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
642    o add diagnostic of surface correction term in monitor output
643    
644    o bulk_force and therm_seaice
645    - Two packages:  bulk_force (Bulk forcing)
646      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
647    - Earlier integration from Stephaine Dutkiewicz
648      and Patrick Heimbach.
649    - Two ifdef statements for compile time,
650       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
651    
652    checkpoint47
653    differentiable version of checkpoint46n_post
654    o bug fix in quasihydrostaticterms
655    o * "clean" adjoint code (in terms of extensive recomputations)
656        can now be obtained for all GMREDI options (i.e. for
657        - GM_VISBECK_VARIABLE_K
658        - GM_NON_UNITY_DIAGONAL
659        - GM_EXTRA_DIAGONAL
660        - GM_BOLUS_ADVEC )
661      * However, wrong gradient check problem remains unsolved.
662      * New CPP options have been introduced for different
663        tapering schemes
664    o external_fields_load now part of differentiation list
665    o pressure needs multiple storing;
666      would be nice to have store_pressure at beginning or
667      end of forward_step, e.g. by having phiHyd global (5-dim.)
668      (NB: pressure is needed for certain cases in find_rho,
669      which is also invoked through convective_adjustment).
670    o recomputations in find_rho for cases
671     'JMD95'/'UNESCO' or 'MDJWF' are OK.
672    o #define ATMOSPHERIC_LOADING should be differentiable
673    o ini_forcing shifted to begining of initialise_varia
674    o Incorporating QNVS line search routines into MITgcm
675      (this is separate code, and therefore not under pkg)
676      lsopt/, optim/
677    o Updated verification/carbon/
678      - #define GM_VISBECK_VARIABLE_K
679      - GM_taper_scheme    = 'ldd97'    
680    
681    checkpoint46n_post
682    Merging from release1_p8:
683    o verification/natl_box:
684      updating new external_fields_load routine
685    o New package: pkg/seaice
686      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
687      The sea-ice code is based on Hibler (1979-1980).
688      Two sea-ice dynamic solvers, ADI and LSR, are included.
689      In addition to computing prognostic sea-ice variables and diagnosing
690      the forcing/external data fields that drive the ocean model,
691      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
692      The implied surface heat flux is then stored in variable
693      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
694      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
695      non-local transport term.  Because this call precedes model
696      thermodynamics, temperature under sea-ice may not be "exactly" at
697      the freezing point by the time theta is dumped or time-averaged.
698      N.B.: fairly large differences in accuracy occur across
699            different platforms/compilers; comparison between
700            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
701            generated output gives:
702       T           S           U           V
703      C D M    c        m  s        m  s        m  s        m  s
704      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
705      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
706      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
707    
708      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
709    o GAD:
710      - generated new common blocks to account for call of
711        same gad routines with differing traceridentities
712        (needed to modify tracerIdentity indices in GAD.h)
713      - generated separate common blocks for case useCubedSphereExchange
714        (Department of Futurology)
715      - parameter lists to gmredi_?transport: added tracerIdentity
716      - added new key indices to tamc.h
717    o external_fields_load:
718      - added this routine to TAF list
719      - needed to make some common blocks global and additional storing
720        along the same lines as exf package (checkpoint_lev?_directives.h)
721    o exf:
722      updated external forcing package
723      - bug fixes carried over from ecco-branch
724        (missing OBCS_OPTIONS.h in two routines)
725      - enable easy to use "no forcing".
726      - added exf I/O for atmospheric loading
727      - added exf I/O for runoff data
728      - transfered scaling between exf <-> MITgcm to exf namelist
729    o Adding new verification experiment global_with_exf.
730      This verification experiment is almost identical to the
731      global_ocean.90x40x15 experiment, except that it uses
732      the exf (and cal) package instead of the
733      external_fields_load routine (cf README file).
734    
735    checkpoint46m_post
736    o modified testscript to return -- when there are no lines of "%MON" output
737    o added new flag "quasiHydrostatic" for QH mode
738      and new routine quasihydrostaticterms()
739    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
740      New routine: mom_u_coriolis_nh()
741    o fixed sign of non-hydrostatic metric terms in u and v equations.
742      Depend on correct sign of gravitySign.
743    o added work.pc* to .cvsignore in aim directories using ifc
744    o introduced flag for controllin non-hydrostatic metric terms
745    o removed gravitySign from PARM04
746    o switched to g77/ifc from pgf77 in aim experiments
747    
748    checkpoint46l_post
749    o made convective adjustment work with pressure coordinates:
750     - changed the direction of k-loop in convective_adjustment.F for the
751       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
752     - adjusted the reference pressure k-index in convective_adjustment.F
753     - adjusted the convection condition in convect.F (in analogy to
754       calc_ivdc.F)
755     - convective_adjustment no longer computes anything on the halos
756     - removed the warnings about negative salinity from find_rho.F and
757       find_alpha.F; instead the new routine look_for_neg_salinity, called
758       at the beginning of find_rho, find_alpha, and find_beta, does a
759       check of the entire slice, if CPP-option
760       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
761    checkpoint46l_pre
762    
763    checkpoint46k_post
764    o fixed the verification/global_ocean.90x40x15 experiment:
765     - new bathymetry (the world according to A., JMC, and M.)
766     - new initial fields and forcing fields (*.bin files)
767     - new POLY3.COEFFS (for the next release one should switch to a full
768       equation of state: JMD95P or MDJWF)
769     - fixed several errors and redundancies in the data file
770     - experiment uses looped cells
771     - added matlab directory with diagnostic scripts for plotting of output
772    
773    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
774     - read AIM physics parameters from a file (data.aimphys)
775     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
776    
777    checkpoint46j_post
778    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
779    o move wVel computation at the end of the time step, in S/R integr_continuity
780    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
781    o update timeave pkg for wVel diagnostic.
782    checkpoint46j_pre
783    
784    checkpoint46i_post
785    o Clean up AIM package (and keep the results unchanged):
786      include CPP_OPTION and use IMPLICT NONE in all routines ;
787      declare all the variables _RL ; use _d 0 for all numerical constants.
788      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
789    
790    checkpoint46h_post
791    o cleaned up the use of rhoNil and rhoConst.
792      - rhoNil should only appear in the LINEAR equation of state, everywhere
793        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
794        and the dynamical equations are all divided by rhoConst
795    o introduced new parameter rhoConstFresh, a reference density of fresh
796      water, to remove the fresh water flux's dependence on rhoNil. The default
797      value is 999.8 kg/m^3
798    o cleanup up external_forcing.F and external_forcing_surf.F
799      - can now be used by both OCEANIC and OCEANICP
800    checkpoint46h_pre
801    
802     Added code to convert surface volume flux (fresh water) into
803     a mass flux when using P coordinates in the ocean (OCEANICP).
804     Note: It assumes you have set rho0=rhoConst=density of fresh water.
805    
806    checkpoint46g_post
807    o Include a new diagnostic variable phiHydLow for the ocean model
808      - in z-coordinates, it is the bottom pressure anomaly
809      - in p-coordinates, it is the sea surface elevation
810      - in both cases, these variable have global drift, reflecting the mass
811        drift in z-coordinates and the volume drift in p-coordinates
812      - included time averaging for phiHydLow, be aware of the drift!
813    o depth-dependent computation of Bo_surf for pressure coordinates
814      in the ocean (buoyancyRelation='OCEANICP')
815      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
816        Theta, Salinity, and Pressure in the parameter list. This routine is
817        presently contained in find_rho.F. This routine does not give the
818        correct density for 'POLY3', which would be a z-dependent reference
819        density.
820    o cleaned up find_rho
821      - removed obsolete 'eqn' from the parameter list.
822    o added two new verification experiments: gop and goz
823      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
824    checkpoint46g_pre
825    
826    checkpoint46f_post
827    o Enable tangent linear (forward mode) gradient checks:
828      - extended active file handling to g_... files
829      - added TANGENT_SIMULATION to theSimulationMode
830      - extended grdchk package accordingly
831    o added tangent linear setup in verification/carbon/code_ftl
832    o added adjoint setup in verification/front_relax/code_ad
833    
834    checkpoint46e_post
835    o Added new equation of state -> MDJWF
836      - EOS of McDougall et al., 2002, JAOT, submitted
837      - caveat: the equation of state is only valid for a smaller (more
838        realistic?) range of values than JMD95P/Z and UNESCO
839      - added masks to the calculation of pressure in store_pressure
840      - added more check values for density in check_eos (ini_eos.F), some of
841        the old check values are out of the range of the MDJWF-eos, so don't
842        expect perfect matches for those
843    checkpoint46e_pre
844    
845    checkpoint46d_post
846    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
847      'OCEANICP', also initialised field pressure correctly in ini_eos in the
848      case of pressure coordinates. eosType='JMD95Z' in
849      combination with buoyancyRelation='OCEANICP' now causes an error.
850    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
851      in find_alpha/beta.
852    checkpoint46d_pre
853    
854    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
855      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
856    
857    checkpoint46c_post
858    o Changes necessary for ocean in p-coordinates
859     -  Added new buoyancy relation = 'OCEANICP'
860     -  Added new parameters = gravitySign (this used to be contained inside
861        the factor dRdZ which I added when we first switched to R coordinates).
862     X GM/Redi is not compatible (yet)
863     X bottom drag and no-slip need to be debugged.
864    checkpoint46c_pre
865    
866    checkpoint46b_post
867    o Added new equation of state -> JMD95Z and JMD95P
868      - EOS of Jackett and McDougall, 1995, JAOT
869      - moved all EOS parameters into EOS.h
870      - new routines ini_eos.F, store_pressure.F
871    o Added UNESCO EOS, but not recommended because it requires
872      in-situ temperature (see JMD95)
873    o Modified formatting for knudsen2.f in utils/knudsen2 and added
874      unesco.f to be used with POLY3
875    checkpoint46b_pre
876    
877    checkpoint46a_post
878    o Added (atmospheric) pressure loading
879      - new field in FFIELDS.h, etc...
880      - new cpp flag ATMOSPHERIC_LOADING
881    o Changed hFacC to _hFacC in calc_phi_hyd.F
882    o Added SHORTWAVE_HEATING to some files for consistency
883    checkpoint46a_pre
884    
885    checkpoint46
886    further merges from release1_p5
887    o new ctrl package
888      - adopted from ECCO environment to enable optimization
889      - added Eliassen Palm fluxes to controls
890    o added Eliassen Palm flux controls to gradient check package
891    o cost package
892      - Compatible with new ctrl package
893      - added Eliassen Palm cost hooks
894      - modif's of existing cost functions
895    o Adjoint-related bug fixes in kpp:
896      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
897      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
898    o autodiff package
899      - flow directives:
900        + new for S/R do_the_model_io
901        + enhanced for S/R checkpoint
902        + new gmredi.flow
903      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
904        disable adcommon.h/g_common.h by default.
905      - fixed problem for adjoint of global_max
906    o modified verification/carbon/
907    o New setup for adjoint of global_ocean
908    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
909    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
910    o incorporated hooks for sponge layer code (external_forcing.F)
911    
912    checkpoint45d_post
913    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
914    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
915      (affects plume_on_slope "cg2d" output)
916    o add new parameter deltaTfreesurf for free-surface time stepping
917    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
918    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
919    o change phiMin in exp1 (to agree with documentation)
920    o add new flags:
921     - T,S forcing inside/outside Adams-Bashforth
922     - turn off temp,salt advection and/or forcing
923     - for each tracer, define internal flag for multiDimAdvection & A-B
924    o monitor: change definition of KE to check conservation of Energy
925    
926    checkpoint45c_post
927    o Removed f90 comments ("!")
928    o Modified initialisations to enable exf package for MITgcm
929      (without invoking ECCO_PACKAGE).
930    o modifications to gradient check package (Martin Losch)
931      - enable centered differences
932      - modified format of standard output
933    
934    checkpoint45b_post
935    o cleaned exchange calls in cg2d
936    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
937    o included CPP option SINGLE_LAYER_MODE in thermodynamics
938      to configure barotropic setup (Martin Losch)
939    o moved some initialisations within bi,bj loop in dynamics
940      (TAF flow dependency)
941    o in initialise_varia, moved call packages_init_variables
942      before convective_adjustment_init
943      (corresponding adjustment of TAF tape initialisation).
944    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
945    
946    checkpoint45a_post
947    o compute Rho over the whole domain (extend iMin,jMin indices)
948    o specific exchange for X-slice domain (case Ny=1)
949    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
950    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
951    
952    checkpoint44h_post = checkpoint45
953    o Fix to restore differentiability:
954      place at which packages_init_variables is called in
955      initialise_varia is crucial for reverse control flow.
956    o modifications in GMRedi to enable stable adjoint
957      (corresponding modif's in thermodynamics, dynamics)
958    o added missing hook for sponge layer code in external_forcing
959    o modified test cost functions
960    o storing in gad_advection (plus removal of write(0,*)!
961    o missing headers TR1.h added in convective_adjustment routines
962    o errorMessageUnit set non-equal zero in eeboot
963      (conflict on some platforms, e.g. IBM SP3)
964    o modified carbon verif.
965    
966    checkpoint44h_pre
967    o vertical grid option: allow to put the Interface at the middle between
968      2 cell-centers ; replace delZ in pkg/kpp by drF.
969    o GM Advective form: Tracers are advected using the residual transport (=
970      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
971    
972    checkpoint44g_post
973    o fix surface correction term in multiDimAdvection (affects plume_on_slope
974      results) ; ifdef missing in thermodynamics.F
975    
976    checkpoint44f_pre,checkpoint44f_post
977    o added PTRACERS package
978      This allows an arbitrary number of passive tracers to be integrated
979      forward simultaneously with the dynamicaly model.
980      + Implemented so far:
981        - basic forward algorithm (time-stepping, advection, diffusion, convection)
982        - I/O and checkpointing
983        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
984      + Not implemented so far:
985        - KPP
986        - OBCS
987      + No specific example supplied (yet) but global_ocean.90x40x15 has the
988        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
989        line in data.pkg.
990      + This package is disabled by default since it increases storage.
991    
992    
993    o testscript: added -cleanup option
994    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
995                 b) enable to filter 2D fields.
996    
997    checkpoint44e_pre,post
998    o re-wrote convective adjustment to use pre-calculated weights
999      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
1000      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
1001      Original calls to convect() still in place.
1002    
1003    chkpt44d_pre,post
1004    o added missing EXCLUDE_MONITOR flags
1005    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
1006      (incompatible typ in MIN/MAX expressions caused problems
1007      on IBM SP3)
1008    o in genmake added variable MAKEDEPEND
1009      plus resetting for case SunOS
1010    o added timer_stats.c routine for IBM SP3
1011    o removed variables in dynamics
1012    !!! I forgot to create tag chkpt44d_pre !!!
1013    !!! But chkpt44d_pre = chkpt44c_post    !!!
1014    
1015    o real fresh water flux implemented with non-linear free-surface.
1016    
1017    chkpt44c_pre,post
1018    o few fix (mask in shap_s2, EmPmR in external_field_load,
1019      USE_NATURAL_BCS in solve_for_P);
1020    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
1021    
1022    checkpoint44b_pre/_post
1023    o merge of relevant stuff from the ecco-branch:
1024      - genmake: removed $S64 overwrite for case SunOS
1025      - pkg/exf: update and corrections for field swapping and obcs
1026      - pkg/ecco: parameter lists for the_model_main, the_main_loop
1027                  harmonized between ECCO and MITgcm
1028      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
1029                      updated checkpointing_lev... lists for obcs
1030      - model/src: minor changes in forward_step, plot_field
1031                   added directive for divided adjoint in the_main_loop
1032      - pkg/mdsio: added mdsio_gl_slice
1033    
1034    o check parameters & config (chkpt44a_pre,post)
1035    o OBC and NonLin_FrSurf.
1036    
1037    checkpoint44
1038    o fix bug in mom_vi_del2uv
1039    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
1040    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
1041    o update AIM experiments (NCEP input files)
1042    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
1043    o added some stuff for AD
1044    
1045    checkpoint43
1046    o added two new advection tests
1047    o added global 4x4 degree ocean test
1048    o added test of H&S94 with free surface on cube
1049    o some final mods for gradient check, adjoint,...
1050    
1051    checkpoint42
1052      Fixed AD-related problems:
1053    o Store directives up-to-date with re-arranged Adams-Bashforth
1054      (mainly thermodynamics.F)
1055    o New store directives for multi-dim. advection schemes
1056      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
1057      * new common block and key passkey
1058      (mainly gad_advection.F)
1059    o Modified store directives for split of dynamics/thermodynamics
1060      for the case ALLOW_KPP
1061    o Cleaned argument list for timestep_tracer.F
1062    
1063    checkpoint41
1064    o re-formatted/added comments in prologues of key subroutines
1065      to work with protex
1066    
1067    checkpoint40
1068    o moved calc_gs, calc_gt and calc_tr1 back to model/src
1069    o added FLT (floats) package from Arne along with demo. experiment
1070    o re-arranged Adams-Bashforth scheme for tracers to allow easier
1071      implementation of forward-in-time forcing terms
1072    o more mods for non-linear free-surface including new variable
1073    o modified multi-dim method to work on cube
1074    o bug fix in KPP (from DM)
1075    
1076    checkpoint40pre9
1077    o added DST advection schemes
1078    o fix MPI bug on SGI's
1079    o modifications for non-linear free-surface
1080    o fixed conditionals for fixed flow/passive tracer only mode
1081    o added tension/strain form of stress tensor
1082    o changes to commenting of arguments for TAF/TAMC
1083    o added/updated many matlab scripts
1084    o added multi-dimensional advection method for tracers
1085      
1086    checkpoint40pre8
1087    o new package rw/
1088      Added method for dumping intermediate local arrays:
1089      mdsio_writetile - same as mdsio_writefield except works from inside
1090                        bi,bj loop
1091      mdsio_writelocal - same as mdsio_writetile except works for local
1092                         arrays
1093      write_local_r? - higher-level wrapper for mdsio_writelocal
1094      Controlled by diagFreq. Defaults to zero (ie. no dumps)
1095      Example given at end of mom_vecinv.F that dumps some local arrays.
1096    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
1097      control flux-form versus vector invariant code.
1098      Switch is runtime flag vectorInvariantMomentum (defaults to false)
1099      or genmake -DISABLE ...
1100    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
1101      (additional storing is now needed for case vecinv;
1102      currently nothing implemented to switch this storing off
1103      in case fluxform is used since no CPP flag available).
1104    
1105    checkpoint40pre7
1106    o bug fix in dynamics.F
1107      calc_viscosity called before k=1,Nr loop.
1108    o added some #ifdef's ALLOW_PASSIVE_TRACER
1109    o cleaned initialisations in ctrl_map_ini
1110      related to TAF
1111    
1112    checkpoint40pre6
1113    o split dynamics into thermodynamics & dynamics
1114    o corresponding split of calc_diffusivity into
1115      calc_diffusivity, calc_viscosity
1116      (kpp_calc_diff, kpp_calc_visc).
1117    o Added diffkr, kapgm to control variables
1118    o bug fix in gmredi_slope_limit for ldd97
1119    
1120    checkpoint40pre5
1121    o proper initialization of Adams-Bashforth time stepping
1122      + uses forward step for very first step of model (iter=0)
1123    o re-generated *all* output since almost all output is modified by this
1124      change (sorry but we've been putting this one off for about 2 years)
1125      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
1126        *not* regenerated since they are already out of date and I don't
1127        want to create the impression that they are suddenly working.
1128    o removed KAP stuff for DEC's
1129    o modified/added many .cvsignore files in */code and */input
1130    o added new expt "solid-body.cs-32x32x1"
1131      + this uses an alternative form of ini_curvilinear_grid.F which
1132        is not necessarily any better than the current one...
1133    
1134    checkpoint40pre4
1135    o added re-initialisations of utrans,vtrans,rtrans in
1136      calc_common_factors which are crucial for TAF.
1137    o extended iMin,jMin range for calc_common_factors,
1138      calc_diffusivity
1139    o added option ALLOW_PASSIVE_TRACER
1140    o a few minor updates and fixes
1141    
1142    checkpoint40pre3
1143    o created calc_gtr1.F for gad package
1144    o split the_main_loop and re-introduced forward_step
1145    o some recomputations of nIter0 for TAMC
1146    
1147    checkpoint40pre2
1148    o Updated to latest branch of AJA, JMC
1149    o Added gradient check package
1150    o Added routines for passive tracer handling
1151    o Added carbon sequestration sensitivity experiment
1152    
1153    checkpoint39
1154     o Modifications and fixes to support TAMC
1155       (mainly missing or wrong directives)
1156     o Corrected common blocks when fooling TAMC to produce adjoint I/O
1157       in addummy_in_stepping
1158     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
1159     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
1160     o Included following packages:
1161       cal: calendar
1162       exf: external forcing
1163       ecco: essential routines to control use of cal, exf
1164             (NB: this is not the full ECCO environment)
1165     o disabled some packages by default in genmake
1166    
1167    checkpoint38
1168     o see notes_c37_adj.txt
1169     o corrected wrong layer index in external_forcing_t
1170     o replaced the_main_loop/forward_step by the_main_loop
1171     o removed forceoutput from write_state
1172       (replaced criteria for initial/final state)
1173     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
1174    
1175    checkpoint37
1176     o mdsio.F routine split and packaged in pkg/mdsio
1177       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
1178        used unless genmake -disable=mdsio)
1179     o allow a more precise surface-geopotential gradient for the atmosphere
1180       taking into account the change in space of Alpha (=1/rho) at the surface.
1181     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
1182       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
1183     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
1184       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
1185       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
1186     o Time-Average diagnostics defined as a pseudo package "timeave".
1187     o pickup files : old pickup (before c35) did not work with new code (c35
1188       and after) unless activating 2 commented lines in initialise-varia.
1189     o Non-Hydrostatic pickup file Pb fixed.
1190     o bug with Rigid-lid version (since c35) fixed.  
1191    
1192    checkpoint36
1193     o implement Crank-Nickelson barotropic time-stepping
1194     o recover Time-Average diagnostics
1195     o fix Pb in checkpoint (PR#19)
1196     o AIM become a standard package ; clean unused CPP_kees
1197    
1198    checkpoint35
1199     o subtantial rewrite of dynamics.f
1200     o allows staggered time-stepping
1201     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
1202     o added bottom drag (linear + quadratic)
1203    
1204    checkpoint34
1205     o Modified exchange routines for correct reverse simulation.
1206     o Added verification output to comply with bug fix in impldiff.F
1207       as of c33 (exp2, natl_box).
1208     o Corrected store directives in dynamics.F
1209     o Corrected array boundaries in impldiff.F
1210     o Corrected array dimensions in gmredi.
1211       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
1212     o Added routine GLOBAL_SUM_INT to global_sum.F
1213     o Added mdsio_gl.F for ECCO purposes.
1214    
1215    checkpoint33
1216     o Fixed bug in lower BC in impldiff.F
1217     o Fixed confusion about units of forcing arrays in FFIELDS.h
1218       namely Fu,Fv,Qnet,Qsw,EmPmR:
1219       - Removed verification/natl_box/code/external_fields_scale.F
1220         (did not differ from that in model/src)
1221       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
1222         (see FFIELDS.h for description)
1223       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
1224         kpp_calc.F and kpp_transport_t.F
1225       - Removed model/src/external_fields_scale.F and calls to it
1226       - verification/natl_box uses flux data with "atmospheric" sign so
1227         a special version of external_fields_load.F is used to
1228         change the data as it's read in. This way, the arrays
1229         have the right units and signs at all times tha a user could
1230         possibly use them.
1231     o Corrected genmake to delete a temporary file during configuration
1232    
1233    checkpoint32
1234     o Scaling of forcing fields moved from external_forcing.F to
1235       external_fields_scale.F, called directly after loading fields.
1236     o Surface relaxation terms added to surface tendency fields in
1237       extra subroutine.
1238     o impldiff.F changed to avoid storing by TAMC of huge intermediate
1239       fields.
1240     o Changes in GMRedi to comply with packaging structure.
1241     o Modifications and bug fixes in KPP package.
1242     o Verification experiment for KPP added (verification/nat_box/)
1243    
1244    checkpoint31
1245     o Packages interface brought in line with defined standard
1246       -> new routines packages_...F
1247       -> changes in initialise_fixed.F, initialise_varia.F
1248       -> enables initialisation interface for ECCO package
1249     o Rescaling of external forcing fields immediately after read
1250       (removed from external_forcing.F)
1251       -> new: surface_fields_scale.F
1252       -> affects ini_foorcing.F, external_fields_load.F
1253     o Computation of surface tendencies before tendency updates.
1254       -> new: external_forcing_surf.F
1255     o Change of variable names useGMRedi, useKPP, useECCO
1256     o Further changes in dynamics.F, impldiff.F for TAMC
1257     o Tested for experiments 0, 2, 4.
1258       - not yet tested for GMRedi.
1259       - not yet tested for KPP.
1260    
1261    checkpoint30
1262     o Updates for OBCs
1263     o New experiment for test OBCs (internal_wave)
1264     o New output.txt in verification/exp4/results/
1265     o Updates for KPP: calculation of viscosity corrected, new variables
1266       kpp_dumpFreq and kpp_taveFreq
1267     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
1268       and entry for T90 in genmake
1269    
1270    checkpoint29
1271     o packaged KPP and GM/Redi
1272    
1273    checkpoint28
1274     o Corrected initialization of hFacMin for difference vertical coordinates
1275     o Modified calculation of partial cell thickness to more robust algorithm
1276     o config_summary.F: replaced write_1D_... by write_0D_...
1277       read_write.F: added subroutines write_0D_...
1278     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
1279       included some initialisations required for TAMC.
1280     o routine calc_isoslopes: modified sqrt computation to make it
1281       differentiable for zero argument.
1282     o routines dynamics, impldiff:
1283       included store directives and tape key computations required for TAMC.
1284     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
1285    
1286    checkpoint27
1287     o fixed calc_isoslopes() to so that cancellation of terms in tensor
1288       formulation works properly with variable resolution.
1289     o restructured the calling tree between the_model_main() and dynamics()
1290     o split initialise() into initialise_fixed() and initialise_varia()
1291     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
1292       in new routine ini_psurf()
1293    
1294    checkpoint26
1295     o moved some #ifdef in optional routines to encompass everything
1296       except the argument declarations. This was using up some memory.
1297     o fixed macros like _ADT to work with both versions of Linux cpp
1298     o cleaned up some unused and uninitialized variables
1299       (helps when debugging with strict compile options)
1300     o split up CPP_EEOPTIONS.h into options and macros
1301       (macros are now in eesupp/inc/CPP_EEMACROS.h)
1302     o patch for 2 processor JAM mode
1303    
1304    checkpoint25
1305     o updates for OBCs and NH
1306     o dramatically reduced memory usage
1307     o added "JAM" routines for use on Artic network
1308     o parameterization of convection by implicit vertical diffusion
1309     o added a diagnostic of convective index
1310     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
1311       (this is was partly for OBCs and NH but also in anticipation of
1312        an explicit free-surface option)
1313     o initial state input files for U and V
1314    
1315    checkpoint24
1316     o Removed some spurious "REAL"s
1317     o Updated KPP to latest version from JPL
1318     o Added a COS(latitude) in horizontal viscosity
1319    
1320    checkpoint23
1321     o Added del^4 diffusion for salt and temperature
1322     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
1323    
1324    checkpoint22
1325     o Made many small changes: implicit none, format(i5), etc...
1326     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
1327    
1328    checkpoint21
1329     o Introduced new I/O package that supports direct-access records (mdsio.F)
1330     o Split-up mid-level I/O routines
1331     o Updated input data for experiments 0,1,2,4 and 5
1332     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
1333    
1334    checkpoint20
1335     o Tidied up open-boundaries some more
1336     o Added non-hydrostatic code
1337     o Fixed some input data
1338     o Modified MPI start-up to work in "coupled" context.
1339    
1340    checkpoint19
1341     o Tidied up directory structure for verification experiments.
1342     o Added new code for open boundaries.
1343     o Corrected advective terms near boundaries.
1344     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
1345     o Implemented free-slip/no-slip BCs and del^4 dissipation.
1346     o Split default parameters out of ini_parms.F into set_defaults.F.
1347    
1348    checkpoint18
1349     o Further changes for optional code generation with
1350       CPP - ugh!
1351    
1352    checkpoint17
1353     o Beginning to incorporating modularity
1354       for supporting atmos. and ocean configs.
1355     o Small changes for TAMC complinace
1356     o New ultra simple test case. Barotropic box
1357       configuration "exp0".
1358    
1359    checkpoint16
1360     o Minor changes to exchange routines to support
1361       accumulation in reverse mode. Adjoint of an
1362       assignment is an addition.
1363     o Changes to support compilation by TAMC (LR(1)
1364       syntax) and by g77 under Linux ( 72 character
1365       limit ).
1366    
1367    checkpoint15
1368     Rewrote exchange routines to allow
1369     o General tile <-> tile connectivity.
1370     o TAMC reverse mode flag ( is this really needed? )
1371     o Variable width overlap and exchange region widths.
1372     o Hooks for sharing data via DMA, Arctic, Memory Channel,
1373       shmput/shmget, VIA, SYSV shmem and every other cool
1374       communication method.
1375    
1376  checkpoint14  checkpoint14
1377   Consistent isomorphism chages made. These allow dynamical core   Consistent isomorphism chages made. These allow dynamical core
1378   to support both pressure and meters as a vertical coordinate.   to support both pressure and meters as a vertical coordinate.

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