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revision 1.141 by heimbach, Fri Feb 28 05:21:22 2003 UTC revision 1.279 by jmc, Sun Apr 18 22:31:33 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o fix in pkg/thsice:
7      - update Evap (Tsf changes) to be consistent with Latent heat flux
8      - maintain snow precipitation unchanged (even if Tsf >=0).
9     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
10    
11    checkpoint52m_post
12    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
13      this does not change any of the results, because myIter=0 in swfrac always
14      lead to jwtype=2 (the default anyway), but the call makes little sense
15      as a default
16    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
17    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
18      atmospheric model (AIM) to use it ; add a "slab ocean" component.
19    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
20    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
21    o extending useSingleCpuIO option to work with new exch2 I/O format
22      - old-style, missing-tile I/O is still accessible by defining CPP
23        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
24    o monitor package can write to NetCDF files and/or STDOUT
25    o fix re-definition bug in MNC_GRID_INIT_ALL()
26    o doc/api_reference added
27      - a framework for building an API Reference Manual using all
28        the "protex" comments embedded in the code
29      - see pkg/generic_advdiff, pkg/mnc for examples
30    o MNC:
31      - make myThid the last argument for all subroutines
32      - new default for the grid files: NO halos
33      - add useMNC and other run-time flags
34      - separate per-file-group handling of the unlimited dimension
35      - early initialization of MNC w/ flags read at the eeboot stage
36        and lookup tables set in initialize_fixed
37      - write all MNC output to a freshly-created directory
38    o thermodynamics sea-ice (thsice) is now tested with testreport.
39    o test exp. advect_cs: use the standard cs32 grid ; update output.
40    o Added functionality to grdchk:
41      pick global i,j,k position (or nearest wet) where to perform check.
42    
43    checkpoint52l_post
44    o new land formulation:
45      a) use ground enthalpy as prognostic variable to ensure exact
46         energy conservation.
47      b) account for water temperature and for latent heat of freezing
48         in all processes (rain, run-off, ground storage)
49      c) compute surface and ground temperature implicitly.
50    o aim_v23 modification for new land model:
51      a) Treat separately land / ocean / sea-ice surface fluxes
52         to allow implicit computation of land & sea-ice surface temp.
53      b) add snow precipitation.
54    checkpoint52l_pre
55    
56    o fix problem (when 1 tile is empty) in min/max monitor.
57    o fix bug in timeAve (u,vZetatave in common block)
58    o no restoring terms under ice for pkg/seaice
59    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
60    o bug fix for pkg/seaice pickups
61    o change MNC call locations and add coordinate attributes
62    o mask vorticity at the corner ; affects global_ocean.cs output
63    o fix ini_curvilinear_grid ; test CS experiments with mpi
64    o aim.5l_cs: modify sea-ice fraction input file ; update output
65    o exf: Adding simple range check routine for exf fields after read
66    
67    checkpoint52k_post
68    o removed top-level directory "diags"
69      - we migrated these functions to pkg/timeave a long time ago
70    o fixed bug introduced in pkg/monitor
71    o accuracy ctrlprec = 32 insuffient for gradient checks using
72      averaged fields (I/O via cost_averages)
73      -> use ctrl.h in active_file*.F to control I/O precision.
74    o paramter list of CALL ADTHE_MAIN_LOOP
75    o added initial do_the_model_io to ecco
76    o set all ...Freq to zero after cost_final
77      taveFreq, dumpFreq, pChkptFreq
78    o MAIN and ECCO differentiability restored
79    
80    checkpoint52j_post
81    o fix nchklev in tamc.h for global_ocean...
82    o Bringing flow and store directives up-to-date
83    o Really weird thing!
84      call do_the_model_io from the_main_loop with parameters
85      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
86      TAF places a faulty re-call of initialise_varia
87      after cost_final call which should not be there!
88    checkpoint52j_pre
89    
90    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
91      error messages
92    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
93    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
94      debug output
95    o modfied mdsio_writefield.F to handle non-global files under exch2
96    o update AIM Cubed-Sphere exp (aim.5l_cs):
97      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
98    o update AIM Equatorial Channel exp:
99      use standard aim_v23 pkg and change the SST fields to be more realistic.
100    o globalFile now works with exch2
101    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
102      mon_vort3.F to make exch2 friendly with >1 tile per cube face
103    o limit timeave output for hi-res integrations
104    
105    checkpoint52i_post
106    o removed CPP_EEOPTIONS.h from verification/*/code
107    o updated the tiling for global_ocean_pressure
108    checkpoint52i_pre
109    
110    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
111      the old pkg/aim).
112    
113    checkpoint52h_pre
114    o shortened offending lines in exch2_send_rx?.template
115    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
116    o genmake2: add build & execute test for NetCDF code
117    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
118      old grid files, moved CPP_EEMACROS.h to pkg/exch2
119    o added useSingleCPUIO flag to monitor.F and mon_out.F
120    o added temporary hack for sea-ice dynamics on the cube:
121      metric terms are ignored and it is assumed that
122      there is no sea-ice on cube faces 1, 2, 4, and 5.
123    
124    checkpoint52f_post
125    o added exch2 cube routines to pkg/exch2
126    o modified hs94.cs-32x32x5 to use it
127    o added new grid files to hs94.cs-32x32x5
128    checkpoint52f_pre
129    
130    checkpoint52e_post
131    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
132      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
133    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
134      to work with implicit vertical advection and AB ;
135    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
136    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
137     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
138    checkpoint52e_pre
139    
140    o fix bug in impldiff when Nr=1 or Nr=2.
141    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
142    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
143    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
144      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
145    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
146    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
147    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
148    
149    checkpoint52d_post
150    o re-tiled many expts to allow comparison in multi-processor mode
151      - updated output accordingly
152      - changed hs94.128x64x5 to use intial T from file rather than use the
153        random number generator
154    o add infrastructure in model routines for fizhi and gridalt packages
155    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
156    o changes to permit hi-res, cubed-sphere, configuration
157      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
158      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
159      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
160        of surface winds for the cube
161      (A verification experiment, based on global_ocean.cs32x15, but with
162       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
163       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
164       complete with example surface forcing files and matlab scripts to look
165       at the output and compare it with that of global_ocean.cs32x15.)
166    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
167       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
168       to conform to the common rule.
169    o check-in the first version of the coupler + interfaces for multi-components
170       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
171       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
172       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
173       - ocean and atmos. share the same horizontal grid (no interpolation).
174       - exchanges between component and coupler is done in forward_step
175    o new verification experiment, cpl_aim+ocn:
176       coupled ocean - AIM atmosphere on cs32 grid.
177    
178    checkpoint52d_pre
179    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
180    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
181    
182    checkpoint52c_post
183    o Fixing OPTIONS files for use of exf:
184      - ALLOW_ECCO not needed
185      - ECCO_CPPOPTIONS.h should not be included from
186        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
187        as has been the case in the past
188      - All cal/exf related options are currently set in
189        single header file. Should remain so until we
190        agree on a consistent new policy.
191    o Removed all CPP options for cal package.
192      cal has no more CPP options.
193    o modified STOREs in GAD_ADVECTION
194    o corrected key comp. for passkey
195    
196    checkpoint52b_post
197    o new version: "thsice" of thermodynamic sea-ice pkg:
198     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
199     - modify fluxes but do not change theta directly;
200     - light cleaning of bulk_force pkg (still needed with thsice).
201     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
202       + output_thsice.txt to test thsice & bulk_force pkgs.
203    o put back grid & coriolis monitor output.
204    checkpoint52b_pre
205    
206    o call "do_the_model_io" at the beginning (=> dump initial state)
207    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
208    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
209      (need info on NUMBER_OF_PTRACERS)
210    o missing PTRACERS headers in some routines
211    o default tamc.h in pkg/autodiff supposed to crash
212      to ensure proper customization
213    
214    checkpoint52a_post
215    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
216      - moved surfaceTendencyTice from pkg/seaice to main code
217      - subroutine FREEZE_SURFACE now limits only surface temperature
218        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
219        => new output.txt for global_ocean.cs32x15 & global_with_exf
220      - keep the old version of FREEZE for backward compatibility;
221        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
222      - corresponding modifs for TAF directives
223    o added surface flux output variables to TIMEAVE_STATVARS
224    o time-averaged output for pkg/ptracers
225    o fix problem with ECCO-related divided adjoint
226      snapshot file was missing some ad-variables,
227      but no warning issued by TAF
228    
229    checkpoint52a_pre
230    o some bug fixes for #undef REAL4_IS_SLOW
231    
232    checkpoint52 = ecco_c52_e35
233    o after testing adjoints of checkpoint51u_post
234    
235    checkpoint51u_post
236    o this is the post-merge tag of the ecco-branch
237      (needs another clean checkout and re-testing)
238    o various natl_box_adjoint configs and results
239      but no input fields
240    o obcs adjoint not yet merged!
241    o adding ECCO global 1x1 and 2x2 degree configs
242    o updated/extended some store directives for seaice
243    o pkg/ecco now containes ecco-specific part of cost function
244    o top level routines the_main_loop, forward_step
245      supersede those in model/src/
246      previous input data.cost now in data.ecco
247      (new namelist ecco_cost_nml)
248    o in ctrl/ cleaned some cross-dependencies and updated CPP options
249    
250    checkpoint51t_post
251    o this is the pre-merge tag of the ecco-branch
252    
253    checkpoint51s_post
254    o cleanup: removed various obsolete #define-s
255    o pkg/grdchk
256      - renamed 'ph-grd 3' to 'grad-res'
257      - merged from ecco-branch
258        (remaining bug fixes for obcs gradient checks)
259      - additional high-precision output for testreport
260        (grep for 'precision_grdchk_result')
261    
262    checkpoint51r_post
263    o cleaned up or removed CPP_OPTIONS.h files
264    o updated results for some of the tests to reflect the new
265      optfiles (-ieee: -O0 instead of -O3)
266    
267    checkpoint51q_post
268    o cd_code:
269      - moved cd_scheme.F -> cd_code_scheme.F
270      - separate read_checkpoint from cd_code_ini_vars.F
271      - separated cd_code part from write_checkpoint
272      - updated AD_SOURCE, generated .flow
273      - added CD_CODE_VARS.h to the_main_loop
274      - Moving cd_code specific store dir.s to pkg/cd_code
275    o ctrl package totally restructured
276      - pack/unpack now optional and decoupled from
277        xx_/adxx_ I/O
278      - ctrl_pack/unpack cleaned
279        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
280      - confined inclusion of AD_CONFIG.h to where necessary.
281    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
282    
283    checkpoint51p_post
284    o create initial cd_code package
285      - WARNING: the initialization of fields within packages
286        is broken because INI_FIELDS (where READ_CHECKPOINT is
287        called) is called *before* PACKAGES_INIT_VARIABLES.
288        This seems to be backwards since
289        1) its important to initially zero the entire field including
290           the "halo" region
291        2) zeroing needs to be done *before* reading pickup info
292           and the pickup call might or might not happen in any
293           particular run
294      - this needs an overhaul for R2
295    o cleanup verification/*/code/GMREDI_OPTIONS.h
296    o cleanup testreport
297    
298    checkpoint51o_post
299    o bringing AD-related verif's up to date with genmake2
300      - carbon/
301      - global_ocean.90x40x15/
302      - hs.94.1x64x5/
303      - (front_relax/ )
304    o (more) consistent directory structure for AD-related verif.'s
305    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
306    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
307    o bug fix in find_alpha.F for MDJWF:
308      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
309        change rho -> rho-rhoConst
310      - replace call find_rho to find_rhonum
311    o initialisation of rFlx extended to full array (required by TAF)
312      and shifted to thermodynamics
313    o removed PTRACERS.h in ptracers routine
314    o added surfacetendencyPtr to S/R parameter list pracers_forcing
315    o Correcting initialisations for fVerU, fVerV.
316    o helping TAF to recognize dependency on kUp for
317      fVerU, fVerV
318    o Replacing delZ by delR in pkg/ctrl/
319    checkpoint51o_pre
320    
321    o undid all of cp51 pending some cleanups and discussion
322    o added the [#include "AD_CONFIG.h"] statement to all files that need
323       it for adjoint/tl #defines
324     o re-worked the build logic in genmake2 to support AD_CONFIG.h
325     o removed tools/genmake since it no longer works
326    
327    checkpoint51n_post
328    o modifications to make FREEZE flux visible to pkg/kpp
329      - moved surfaceTendencyTice from pkg/seaice to main code
330      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
331      - subroutine FREEZE now limits only surface temperature
332        (this means new output.txt for global_ocean.90x40x15,
333         global_ocean.cs32x15, and global_with_exf)
334    o added surface flux output variables to TIMEAVE_STATVARS
335    
336    checkpoint51n_pre
337    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
338    o added [#include "AD_CONFIG.h"] to all files that use the following
339      defines:
340      - ALLOW_ADJOINT_RUN
341      - ALLOW_TANGENTLINEAR_RUN
342      - ALLOW_ECCO_OPTIMIZATION
343    
344    checkpoint51m_post
345    o incorporating changes to get TAMC/TAF working in genmake2
346      - added new TAMC/TAF targets to the Makefile
347      - various cleanups related to package handling
348      - these changes should have no impact on the forward model
349    
350    checkpoint51l_post
351    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
352     - faster algorithm for cal_addtime.F
353     - higher precision arithmetic, where needed
354     - pkg/exf *startdate variables changed from calendar date to
355       model integration time
356    
357    checkpoint51l_pre
358    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
359    o enable to apply restoring on S & T only in a latitude band.
360    o update output (external_forcing_surf modif. change truncation errors)
361       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
362    
363    checkpoint51k_post
364    o change default to: useNHMTerms=.FALSE.
365     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
366       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
367     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
368        exp1, ideal_2D_oce
369     - change data file of oceanic exp (leave the results unchanged for now)
370       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
371    o set gravitySign automatically according to the vertical coordinate used
372      (and change sign: back to "logical" value: +1 when R increases downward)
373    o added an include barrier to the default CPP_OPTIONS.h and
374      removed the #include "PACKAGES_CONFIG.h" from it
375    o fix a bug in mom_fluxform (from chk51j_post)
376    
377    checkpoint51j_post
378    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
379    o adjusted some flow directives (dynamics, thermodynamics)
380    o added cubed-sphere case to test cost function
381    o heckpoint_lev?_directives.h now include
382      pkg-specific directives, whenever those are enabled.
383    o Moving pkg-specific flow directives to corresponding pkg
384      Moving pkg-specific differentiation list to corresponding pkg
385      Moving pkg-specific checkpoint-lev storing to corresponding pkg
386      ---> conventions are
387           - pkg_ad.flow
388           - pkg_ad_diff.list
389           - pkg_ad_check_lev?_dir.h
390    
391    checkpoint51i_post
392    o merge of the branch-genmake2
393      - knowingly breaks the older genmake
394      - automatic generation of all ALLOW_${PKG_NAME} defines
395      - new testreport supersedes older testscript
396    o large number of package inclusion and header cleanups
397    checkpoint51i_pre
398    
399    o new output for adjoin of global ocean vector invariant
400    o fix for checkpoint of thermodynamic seaice and bulk_force
401    o Steph gchem various cleanups
402    
403    checkpoint 51h_pre
404    o fixed some single quotes
405    o modify gchem pkg to be more versatile
406    o modifications to clean up dic pkg
407    o add pkg/cfc
408    
409    checkpoint51g_post
410    o provide links for ARPACK and ADM*TLM
411    o start removing verification/vero/
412    o update AD-related stuff
413      (in particular some IF-statements in model/src/ routines)
414    o adding to verification/global_ocean.90x40x15/ adjoint of
415      vector invariant setup
416    
417    checkpoint51f_post
418    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
419    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
420      of tracer Green's fucntions for ocean inversion project.
421    
422    checkpoint51f_pre
423    o Added on-the-fly spatial interpolation capability
424        "USE_EXF_INTERPOLATION" to pkg/exf.
425      - This is a temporary Cartesian-grid hack until
426        the super-duper ESMF coupler becomes available.
427      - See verification/global_with_exf/README for usage example.
428      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
429        flags and modified pkg/seaice accordingly.
430    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
431        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
432        non-local transport term.
433    
434    checkpoint51e_post
435    o pkg/mom_vecinv:
436      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
437      - add time-ave diagnostic of vorticity advection.
438    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
439    o atmospheric geopotential: - include water vapor effect;
440                                - use p^kappa in p* scaling.
441    o land pkg: read initial state from files.
442    o AIM : add stratospheric drag in the upper level
443    
444    checkpoint51d_post
445    o change function ILNBLNK (=> last non-blank char.) to return zero
446      (instead of the string length) when the string. char is empty
447    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
448    o modif's to restore TAMC compatibility
449      - avoid "_d" constructs in PARAMETER declarations
450      - avoid interrupting lines by comment lines
451    o Use cluster local disks for purely local I/O
452      vs. globally visible disks needed for ctrl stuff
453      (merged from ecco-branch)
454      - new active_file_loc... and mdsio_..._loc routines
455      - affected packages: autodiff, ctrl, grdchk, mdsio
456    
457    checkpoint51c_post
458    o introducing integer flag debugLevel
459      - debLevZero: suppress all output
460      - debLevA: standard
461      - debLevB: equivalent to current debugMode=.TRUE.
462    o introducing pathname variable mdsioLocalDir for mdsio
463      that can be specified at runtime
464      (relevant for cluster I/O to local disk)
465    `
466    >>>checkpoint51b_post
467    adjoint of ptracers
468    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
469    o extended state in checkpoint_lev?, etc.
470    o alternative ctrl/cost with tr1 or ptracer
471    o new comlev1_bibj_ptracers
472    o new ptracers.flow
473    o made ptracers_forcing same as external_forcing_s
474    o added verification for adjoint with ptracers
475      - adm. grdchk fail so far
476      - tlm. grdchk OK
477      - checked tapelev/comlev recomputations: OK
478    <<<checkpoint51b_pre
479    
480    checkpoint51a_post
481    o added code for biogeochemistry package
482      - new pkgs: dic, gchem
483      - new subroutine in ptracers
484    o modify code for biogeo packages
485      - in model/src and pkg/ptracers
486    
487    checkpoint51
488    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
489      - autodiff, ctrl, exf, grdchk, seaice
490      kept separate packages
491      - cost, ecco, obcs
492    o updating verification/internal_wave, verification/lab_sea
493      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
494    
495    checkpoint50i_post
496    o Preparing next differentiable checkpoint and sync
497      of MAIN vs. ecco-branch
498      - 1st step: this one is differentiable
499      - 2nd step: next(! not this) checkpoint will have updated packages
500                  from ecco-branch)
501    
502    checkpoint50h_post
503    o new package "land": provide surface BC for AIM.
504    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
505    o AIM: use true log-P extrapolation for near surface temp (= as in
506        F.Molteni paper) ; update aim.5l_cs output.
507    o New variable in PARM03 for more flexible pickups
508    o somewhat cleaned package initialisation sequence for
509      ctrl/ cost/ ecco/ in packages_... routines
510    
511    checkpoint50g_post
512    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
513      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
514      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
515        made the default because of faster convergence than ADI
516    
517    checkpoint50f_post
518    o exf totally restructured
519      - replaced all exf_set_ routines by one generic exf_set_gen.F
520        and made sure it's still differentiable
521      - split exf_getffields.F into new exf_bulkformulae.F
522      - exf_inscal_/exf_outscal_ suffixes consistent with field names
523      - updated adjoint/makefile and relevant verif. accordingly
524    
525    checkpoint50f_pre
526     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
527          + change Evap over land. (update aim.5l_cs output)
528     o added missing .cvsignores and made uniform across expts
529     o changed configuration of tidal_basin_2d expt
530     o added pkg/debug functions for tracing code in fatal crashes
531     o tidied pkg/monitor to use MONITOR_OPTIONS.h
532     o new fn in pkg/monitor to stop model if solution grows too big
533     o removed lots of single quotes from comments
534    
535    checkpoint50e_post
536    o make KPP work with PTRACERS
537     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
538       nearly a copy of kpp_transport_s
539     - there is no analogue to SurfaceTendencyS, so I have to use
540       gPtr(of the surface layer) instead
541    o add a new platform SunFire+mpi (SunFire 15000) to genmake
542    checkpoint50e_pre
543    
544    checkpoint50d_post
545    o change kpp output from multiple-record state files to single-record state
546      files analogous to write_state.F
547    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
548      analogous to the cg2d-related output.
549    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
550      so that writing to internal file fn (with length 512) fails.
551    checkpoint50d_pre
552    
553    checkpoint50c_post
554    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
555    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
556    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
557    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
558    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
559    
560    checkpoint50c_pre
561    Merging from release1_p13:
562    o bug fix for pkg/seaice dynamic solver
563    o Added SEAICE_initialHEFF to pkg/seaice
564    
565    checkpoint50b_post
566    o store u*,v* in gU,V instead of in guNm1,gvNm1
567    o in order to put the momForcing out of the Adams-Bashforth:
568      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
569      to timestep.F
570    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
571    o re-generate output for highly sensitive test-exp:
572       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
573    
574    checkpoint50b_pre
575    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
576    o corrected CPP option mismatch in exf_Bulk... functions for case
577      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
578    
579    checkpoint50a_post
580    o Bug fix for merging between c50 and KPP.
581      ikey was passed from thermodynamics to kpp_calc via
582      common block rather than being recomputed in kpp_calc,
583      in contradiction with new key itdkey.
584      New key ikppkey created, and tamc.h headers updated.
585    
586    checkpoint50
587    - 2nd step of merge with ecco-branch:
588      merge changes in ecco-branch back into main trunk
589    - bug fix in find_alpha
590    - more storing in gmredi_calc_tensor.F, kpp_routines.F
591    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
592    - merged some sliced AD support routines
593    
594  checkpoint49  checkpoint49
595    merged from ecco-branch:
596    o exf:
597      - Enable initialisation of forcing fields to constant
598        (runtime) values.
599      - in exf_getffields.F
600        Reduce i-/j-loop to interior domain, discarding overlaps.
601        That also fixes wrong TAF-key computations for key_1, key_2
602        with bulf formulae.
603      - exf_init.F modify #ifdef for exf_init_evap
604      - exf_getffieldrec.F, ctrl_getrec.F
605        The following INT-usages are not safe:
606          fldsecs  = int(fldsecs/fldperiod)*fldperiod
607          fldcount = int(fldsecs/fldperiod) + 1
608        and were modified.
609    o autodiff: checkpoint_lev...
610      - updated storing for bulk formulae (some arrays were missing)
611      - added state for seaice package
612      - synchronized with main branch
613    o DIVA:
614      Modif.s in
615      - the_main_loop.F
616      - the_model_main.F
617      and added cost_final_restore.F cost_final_store.F
618      o With these changes, it is possible to fully separate
619        the first forward run to compute the cost function (mdthe_main_loop)
620        and adjoint runs over individual DIVA intervals (adthe_main_loop)
621        into separate model executions.
622        This enables better tuning of DIVA to given queue sizes.
623      o Loss of cost function value in consecutive DIVA runs is
624        fixed by storing to 'costfinal' file.
625      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
626        beginning/end of adjoint integration is accounted for.
627      The current changes apply to TAF-1.4.26.
628      TAF has one remaining bug, requiring one manual change
629      (see MITgcm manual).
630    o cal: synchronized between MAIN and ecco-branch
631    
632    checkpoint48i_post
633  o Changes to restore differentiability of code w.r.t. previous tag  o Changes to restore differentiability of code w.r.t. previous tag
634    (mostly adding new routines to make list and replacing    (mostly adding new routines to make list and replacing
635    pressure by totPhiHyd).    pressure by totPhiHyd).

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