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revision 1.139 by dimitri, Thu Feb 27 23:03:55 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  untagged  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
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
634      (mostly adding new routines to make list and replacing
635      pressure by totPhiHyd).
636    o Updated and merged grdchk package
637      - has both ADM and TLM checks
638      - works for single- and multi-proc.
639      - output cleaned
640      - worked successfully for parallel DIVA
641    o genmake:
642      - Adding -platform=SP4
643      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
644    o Modif. for DIVA:
645      ctrl_unpack should not be called in intermediate DIVA interval.
646      (similar thing would apply for active files such as
647      tbar, sbar, psbar, which should not be reinitialised;
648      only relevant for ecco-branch)
649    
650    checkpoint48h_post
651  o improve "ini_p_ground" when using finite difference form for calc_phi_hyd  o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
652  o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F  o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
653  o Added SEAICE_initialHEFF to pkg/seaice  o Added SEAICE_initialHEFF to pkg/seaice

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