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revision 1.141 by heimbach, Fri Feb 28 05:21:22 2003 UTC revision 1.272 by edhill, Mon Mar 29 22:10:28 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 doc/api_reference added
7      - a framework for building an API Reference Manual using all
8        the "protex" comments embedded in the code
9      - see pkg/generic_advdiff, pkg/mnc for examples
10    o MNC:
11      - make myThid the last argument for all subroutines
12      - new default for the grid files: NO halos
13      - add useMNC and other run-time flags
14      - separate per-file-group handling of the unlimited dimension
15      - early initialization of MNC w/ flags read at the eeboot stage
16        and lookup tables set in initialize_fixed
17      - write all MNC output to a freshly-created directory
18    o thermodynamics sea-ice (thsice) is now tested with testreport.
19    o test exp. advect_cs: use the standard cs32 grid ; update output.
20    o Added functionality to grdchk:
21      pick global i,j,k position (or nearest wet) where to perform check.
22    
23    checkpoint52l_post
24    o new land formulation:
25      a) use ground enthalpy as prognostic variable to ensure exact
26         energy conservation.
27      b) account for water temperature and for latent heat of freezing
28         in all processes (rain, run-off, ground storage)
29      c) compute surface and ground temperature implicitly.
30    o aim_v23 modification for new land model:
31      a) Treat separately land / ocean / sea-ice surface fluxes
32         to allow implicit computation of land & sea-ice surface temp.
33      b) add snow precipitation.
34    checkpoint52l_pre
35    
36    o fix problem (when 1 tile is empty) in min/max monitor.
37    o fix bug in timeAve (u,vZetatave in common block)
38    o no restoring terms under ice for pkg/seaice
39    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
40    o bug fix for pkg/seaice pickups
41    o change MNC call locations and add coordinate attributes
42    o mask vorticity at the corner ; affects global_ocean.cs output
43    o fix ini_curvilinear_grid ; test CS experiments with mpi
44    o aim.5l_cs: modify sea-ice fraction input file ; update output
45    o exf: Adding simple range check routine for exf fields after read
46    
47    checkpoint52k_post
48    o removed top-level directory "diags"
49      - we migrated these functions to pkg/timeave a long time ago
50    o fixed bug introduced in pkg/monitor
51    o accuracy ctrlprec = 32 insuffient for gradient checks using
52      averaged fields (I/O via cost_averages)
53      -> use ctrl.h in active_file*.F to control I/O precision.
54    o paramter list of CALL ADTHE_MAIN_LOOP
55    o added initial do_the_model_io to ecco
56    o set all ...Freq to zero after cost_final
57      taveFreq, dumpFreq, pChkptFreq
58    o MAIN and ECCO differentiability restored
59    
60    checkpoint52j_post
61    o fix nchklev in tamc.h for global_ocean...
62    o Bringing flow and store directives up-to-date
63    o Really weird thing!
64      call do_the_model_io from the_main_loop with parameters
65      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
66      TAF places a faulty re-call of initialise_varia
67      after cost_final call which should not be there!
68    checkpoint52j_pre
69    
70    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
71      error messages
72    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
73    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
74      debug output
75    o modfied mdsio_writefield.F to handle non-global files under exch2
76    o update AIM Cubed-Sphere exp (aim.5l_cs):
77      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
78    o update AIM Equatorial Channel exp:
79      use standard aim_v23 pkg and change the SST fields to be more realistic.
80    o globalFile now works with exch2
81    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
82      mon_vort3.F to make exch2 friendly with >1 tile per cube face
83    o limit timeave output for hi-res integrations
84    
85    checkpoint52i_post
86    o removed CPP_EEOPTIONS.h from verification/*/code
87    o updated the tiling for global_ocean_pressure
88    checkpoint52i_pre
89    
90    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
91      the old pkg/aim).
92    
93    checkpoint52h_pre
94    o shortened offending lines in exch2_send_rx?.template
95    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
96    o genmake2: add build & execute test for NetCDF code
97    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
98      old grid files, moved CPP_EEMACROS.h to pkg/exch2
99    o added useSingleCPUIO flag to monitor.F and mon_out.F
100    o added temporary hack for sea-ice dynamics on the cube:
101      metric terms are ignored and it is assumed that
102      there is no sea-ice on cube faces 1, 2, 4, and 5.
103    
104    checkpoint52f_post
105    o added exch2 cube routines to pkg/exch2
106    o modified hs94.cs-32x32x5 to use it
107    o added new grid files to hs94.cs-32x32x5
108    checkpoint52f_pre
109    
110    checkpoint52e_post
111    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
112      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
113    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
114      to work with implicit vertical advection and AB ;
115    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
116    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
117     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
118    checkpoint52e_pre
119    
120    o fix bug in impldiff when Nr=1 or Nr=2.
121    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
122    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
123    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
124      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
125    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
126    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
127    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
128    
129    checkpoint52d_post
130    o re-tiled many expts to allow comparison in multi-processor mode
131      - updated output accordingly
132      - changed hs94.128x64x5 to use intial T from file rather than use the
133        random number generator
134    o add infrastructure in model routines for fizhi and gridalt packages
135    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
136    o changes to permit hi-res, cubed-sphere, configuration
137      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
138      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
139      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
140        of surface winds for the cube
141      (A verification experiment, based on global_ocean.cs32x15, but with
142       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
143       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
144       complete with example surface forcing files and matlab scripts to look
145       at the output and compare it with that of global_ocean.cs32x15.)
146    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
147       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
148       to conform to the common rule.
149    o check-in the first version of the coupler + interfaces for multi-components
150       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
151       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
152       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
153       - ocean and atmos. share the same horizontal grid (no interpolation).
154       - exchanges between component and coupler is done in forward_step
155    o new verification experiment, cpl_aim+ocn:
156       coupled ocean - AIM atmosphere on cs32 grid.
157    
158    checkpoint52d_pre
159    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
160    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
161    
162    checkpoint52c_post
163    o Fixing OPTIONS files for use of exf:
164      - ALLOW_ECCO not needed
165      - ECCO_CPPOPTIONS.h should not be included from
166        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
167        as has been the case in the past
168      - All cal/exf related options are currently set in
169        single header file. Should remain so until we
170        agree on a consistent new policy.
171    o Removed all CPP options for cal package.
172      cal has no more CPP options.
173    o modified STOREs in GAD_ADVECTION
174    o corrected key comp. for passkey
175    
176    checkpoint52b_post
177    o new version: "thsice" of thermodynamic sea-ice pkg:
178     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
179     - modify fluxes but do not change theta directly;
180     - light cleaning of bulk_force pkg (still needed with thsice).
181     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
182       + output_thsice.txt to test thsice & bulk_force pkgs.
183    o put back grid & coriolis monitor output.
184    checkpoint52b_pre
185    
186    o call "do_the_model_io" at the beginning (=> dump initial state)
187    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
188    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
189      (need info on NUMBER_OF_PTRACERS)
190    o missing PTRACERS headers in some routines
191    o default tamc.h in pkg/autodiff supposed to crash
192      to ensure proper customization
193    
194    checkpoint52a_post
195    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
196      - moved surfaceTendencyTice from pkg/seaice to main code
197      - subroutine FREEZE_SURFACE now limits only surface temperature
198        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
199        => new output.txt for global_ocean.cs32x15 & global_with_exf
200      - keep the old version of FREEZE for backward compatibility;
201        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
202      - corresponding modifs for TAF directives
203    o added surface flux output variables to TIMEAVE_STATVARS
204    o time-averaged output for pkg/ptracers
205    o fix problem with ECCO-related divided adjoint
206      snapshot file was missing some ad-variables,
207      but no warning issued by TAF
208    
209    checkpoint52a_pre
210    o some bug fixes for #undef REAL4_IS_SLOW
211    
212    checkpoint52 = ecco_c52_e35
213    o after testing adjoints of checkpoint51u_post
214    
215    checkpoint51u_post
216    o this is the post-merge tag of the ecco-branch
217      (needs another clean checkout and re-testing)
218    o various natl_box_adjoint configs and results
219      but no input fields
220    o obcs adjoint not yet merged!
221    o adding ECCO global 1x1 and 2x2 degree configs
222    o updated/extended some store directives for seaice
223    o pkg/ecco now containes ecco-specific part of cost function
224    o top level routines the_main_loop, forward_step
225      supersede those in model/src/
226      previous input data.cost now in data.ecco
227      (new namelist ecco_cost_nml)
228    o in ctrl/ cleaned some cross-dependencies and updated CPP options
229    
230    checkpoint51t_post
231    o this is the pre-merge tag of the ecco-branch
232    
233    checkpoint51s_post
234    o cleanup: removed various obsolete #define-s
235    o pkg/grdchk
236      - renamed 'ph-grd 3' to 'grad-res'
237      - merged from ecco-branch
238        (remaining bug fixes for obcs gradient checks)
239      - additional high-precision output for testreport
240        (grep for 'precision_grdchk_result')
241    
242    checkpoint51r_post
243    o cleaned up or removed CPP_OPTIONS.h files
244    o updated results for some of the tests to reflect the new
245      optfiles (-ieee: -O0 instead of -O3)
246    
247    checkpoint51q_post
248    o cd_code:
249      - moved cd_scheme.F -> cd_code_scheme.F
250      - separate read_checkpoint from cd_code_ini_vars.F
251      - separated cd_code part from write_checkpoint
252      - updated AD_SOURCE, generated .flow
253      - added CD_CODE_VARS.h to the_main_loop
254      - Moving cd_code specific store dir.s to pkg/cd_code
255    o ctrl package totally restructured
256      - pack/unpack now optional and decoupled from
257        xx_/adxx_ I/O
258      - ctrl_pack/unpack cleaned
259        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
260      - confined inclusion of AD_CONFIG.h to where necessary.
261    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
262    
263    checkpoint51p_post
264    o create initial cd_code package
265      - WARNING: the initialization of fields within packages
266        is broken because INI_FIELDS (where READ_CHECKPOINT is
267        called) is called *before* PACKAGES_INIT_VARIABLES.
268        This seems to be backwards since
269        1) its important to initially zero the entire field including
270           the "halo" region
271        2) zeroing needs to be done *before* reading pickup info
272           and the pickup call might or might not happen in any
273           particular run
274      - this needs an overhaul for R2
275    o cleanup verification/*/code/GMREDI_OPTIONS.h
276    o cleanup testreport
277    
278    checkpoint51o_post
279    o bringing AD-related verif's up to date with genmake2
280      - carbon/
281      - global_ocean.90x40x15/
282      - hs.94.1x64x5/
283      - (front_relax/ )
284    o (more) consistent directory structure for AD-related verif.'s
285    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
286    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
287    o bug fix in find_alpha.F for MDJWF:
288      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
289        change rho -> rho-rhoConst
290      - replace call find_rho to find_rhonum
291    o initialisation of rFlx extended to full array (required by TAF)
292      and shifted to thermodynamics
293    o removed PTRACERS.h in ptracers routine
294    o added surfacetendencyPtr to S/R parameter list pracers_forcing
295    o Correcting initialisations for fVerU, fVerV.
296    o helping TAF to recognize dependency on kUp for
297      fVerU, fVerV
298    o Replacing delZ by delR in pkg/ctrl/
299    checkpoint51o_pre
300    
301    o undid all of cp51 pending some cleanups and discussion
302    o added the [#include "AD_CONFIG.h"] statement to all files that need
303       it for adjoint/tl #defines
304     o re-worked the build logic in genmake2 to support AD_CONFIG.h
305     o removed tools/genmake since it no longer works
306    
307    checkpoint51n_post
308    o modifications to make FREEZE flux visible to pkg/kpp
309      - moved surfaceTendencyTice from pkg/seaice to main code
310      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
311      - subroutine FREEZE now limits only surface temperature
312        (this means new output.txt for global_ocean.90x40x15,
313         global_ocean.cs32x15, and global_with_exf)
314    o added surface flux output variables to TIMEAVE_STATVARS
315    
316    checkpoint51n_pre
317    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
318    o added [#include "AD_CONFIG.h"] to all files that use the following
319      defines:
320      - ALLOW_ADJOINT_RUN
321      - ALLOW_TANGENTLINEAR_RUN
322      - ALLOW_ECCO_OPTIMIZATION
323    
324    checkpoint51m_post
325    o incorporating changes to get TAMC/TAF working in genmake2
326      - added new TAMC/TAF targets to the Makefile
327      - various cleanups related to package handling
328      - these changes should have no impact on the forward model
329    
330    checkpoint51l_post
331    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
332     - faster algorithm for cal_addtime.F
333     - higher precision arithmetic, where needed
334     - pkg/exf *startdate variables changed from calendar date to
335       model integration time
336    
337    checkpoint51l_pre
338    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
339    o enable to apply restoring on S & T only in a latitude band.
340    o update output (external_forcing_surf modif. change truncation errors)
341       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
342    
343    checkpoint51k_post
344    o change default to: useNHMTerms=.FALSE.
345     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
346       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
347     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
348        exp1, ideal_2D_oce
349     - change data file of oceanic exp (leave the results unchanged for now)
350       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
351    o set gravitySign automatically according to the vertical coordinate used
352      (and change sign: back to "logical" value: +1 when R increases downward)
353    o added an include barrier to the default CPP_OPTIONS.h and
354      removed the #include "PACKAGES_CONFIG.h" from it
355    o fix a bug in mom_fluxform (from chk51j_post)
356    
357    checkpoint51j_post
358    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
359    o adjusted some flow directives (dynamics, thermodynamics)
360    o added cubed-sphere case to test cost function
361    o heckpoint_lev?_directives.h now include
362      pkg-specific directives, whenever those are enabled.
363    o Moving pkg-specific flow directives to corresponding pkg
364      Moving pkg-specific differentiation list to corresponding pkg
365      Moving pkg-specific checkpoint-lev storing to corresponding pkg
366      ---> conventions are
367           - pkg_ad.flow
368           - pkg_ad_diff.list
369           - pkg_ad_check_lev?_dir.h
370    
371    checkpoint51i_post
372    o merge of the branch-genmake2
373      - knowingly breaks the older genmake
374      - automatic generation of all ALLOW_${PKG_NAME} defines
375      - new testreport supersedes older testscript
376    o large number of package inclusion and header cleanups
377    checkpoint51i_pre
378    
379    o new output for adjoin of global ocean vector invariant
380    o fix for checkpoint of thermodynamic seaice and bulk_force
381    o Steph gchem various cleanups
382    
383    checkpoint 51h_pre
384    o fixed some single quotes
385    o modify gchem pkg to be more versatile
386    o modifications to clean up dic pkg
387    o add pkg/cfc
388    
389    checkpoint51g_post
390    o provide links for ARPACK and ADM*TLM
391    o start removing verification/vero/
392    o update AD-related stuff
393      (in particular some IF-statements in model/src/ routines)
394    o adding to verification/global_ocean.90x40x15/ adjoint of
395      vector invariant setup
396    
397    checkpoint51f_post
398    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
399    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
400      of tracer Green's fucntions for ocean inversion project.
401    
402    checkpoint51f_pre
403    o Added on-the-fly spatial interpolation capability
404        "USE_EXF_INTERPOLATION" to pkg/exf.
405      - This is a temporary Cartesian-grid hack until
406        the super-duper ESMF coupler becomes available.
407      - See verification/global_with_exf/README for usage example.
408      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
409        flags and modified pkg/seaice accordingly.
410    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
411        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
412        non-local transport term.
413    
414    checkpoint51e_post
415    o pkg/mom_vecinv:
416      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
417      - add time-ave diagnostic of vorticity advection.
418    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
419    o atmospheric geopotential: - include water vapor effect;
420                                - use p^kappa in p* scaling.
421    o land pkg: read initial state from files.
422    o AIM : add stratospheric drag in the upper level
423    
424    checkpoint51d_post
425    o change function ILNBLNK (=> last non-blank char.) to return zero
426      (instead of the string length) when the string. char is empty
427    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
428    o modif's to restore TAMC compatibility
429      - avoid "_d" constructs in PARAMETER declarations
430      - avoid interrupting lines by comment lines
431    o Use cluster local disks for purely local I/O
432      vs. globally visible disks needed for ctrl stuff
433      (merged from ecco-branch)
434      - new active_file_loc... and mdsio_..._loc routines
435      - affected packages: autodiff, ctrl, grdchk, mdsio
436    
437    checkpoint51c_post
438    o introducing integer flag debugLevel
439      - debLevZero: suppress all output
440      - debLevA: standard
441      - debLevB: equivalent to current debugMode=.TRUE.
442    o introducing pathname variable mdsioLocalDir for mdsio
443      that can be specified at runtime
444      (relevant for cluster I/O to local disk)
445    `
446    >>>checkpoint51b_post
447    adjoint of ptracers
448    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
449    o extended state in checkpoint_lev?, etc.
450    o alternative ctrl/cost with tr1 or ptracer
451    o new comlev1_bibj_ptracers
452    o new ptracers.flow
453    o made ptracers_forcing same as external_forcing_s
454    o added verification for adjoint with ptracers
455      - adm. grdchk fail so far
456      - tlm. grdchk OK
457      - checked tapelev/comlev recomputations: OK
458    <<<checkpoint51b_pre
459    
460    checkpoint51a_post
461    o added code for biogeochemistry package
462      - new pkgs: dic, gchem
463      - new subroutine in ptracers
464    o modify code for biogeo packages
465      - in model/src and pkg/ptracers
466    
467    checkpoint51
468    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
469      - autodiff, ctrl, exf, grdchk, seaice
470      kept separate packages
471      - cost, ecco, obcs
472    o updating verification/internal_wave, verification/lab_sea
473      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
474    
475    checkpoint50i_post
476    o Preparing next differentiable checkpoint and sync
477      of MAIN vs. ecco-branch
478      - 1st step: this one is differentiable
479      - 2nd step: next(! not this) checkpoint will have updated packages
480                  from ecco-branch)
481    
482    checkpoint50h_post
483    o new package "land": provide surface BC for AIM.
484    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
485    o AIM: use true log-P extrapolation for near surface temp (= as in
486        F.Molteni paper) ; update aim.5l_cs output.
487    o New variable in PARM03 for more flexible pickups
488    o somewhat cleaned package initialisation sequence for
489      ctrl/ cost/ ecco/ in packages_... routines
490    
491    checkpoint50g_post
492    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
493      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
494      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
495        made the default because of faster convergence than ADI
496    
497    checkpoint50f_post
498    o exf totally restructured
499      - replaced all exf_set_ routines by one generic exf_set_gen.F
500        and made sure it's still differentiable
501      - split exf_getffields.F into new exf_bulkformulae.F
502      - exf_inscal_/exf_outscal_ suffixes consistent with field names
503      - updated adjoint/makefile and relevant verif. accordingly
504    
505    checkpoint50f_pre
506     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
507          + change Evap over land. (update aim.5l_cs output)
508     o added missing .cvsignores and made uniform across expts
509     o changed configuration of tidal_basin_2d expt
510     o added pkg/debug functions for tracing code in fatal crashes
511     o tidied pkg/monitor to use MONITOR_OPTIONS.h
512     o new fn in pkg/monitor to stop model if solution grows too big
513     o removed lots of single quotes from comments
514    
515    checkpoint50e_post
516    o make KPP work with PTRACERS
517     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
518       nearly a copy of kpp_transport_s
519     - there is no analogue to SurfaceTendencyS, so I have to use
520       gPtr(of the surface layer) instead
521    o add a new platform SunFire+mpi (SunFire 15000) to genmake
522    checkpoint50e_pre
523    
524    checkpoint50d_post
525    o change kpp output from multiple-record state files to single-record state
526      files analogous to write_state.F
527    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
528      analogous to the cg2d-related output.
529    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
530      so that writing to internal file fn (with length 512) fails.
531    checkpoint50d_pre
532    
533    checkpoint50c_post
534    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
535    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
536    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
537    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
538    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
539    
540    checkpoint50c_pre
541    Merging from release1_p13:
542    o bug fix for pkg/seaice dynamic solver
543    o Added SEAICE_initialHEFF to pkg/seaice
544    
545    checkpoint50b_post
546    o store u*,v* in gU,V instead of in guNm1,gvNm1
547    o in order to put the momForcing out of the Adams-Bashforth:
548      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
549      to timestep.F
550    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
551    o re-generate output for highly sensitive test-exp:
552       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
553    
554    checkpoint50b_pre
555    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
556    o corrected CPP option mismatch in exf_Bulk... functions for case
557      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
558    
559    checkpoint50a_post
560    o Bug fix for merging between c50 and KPP.
561      ikey was passed from thermodynamics to kpp_calc via
562      common block rather than being recomputed in kpp_calc,
563      in contradiction with new key itdkey.
564      New key ikppkey created, and tamc.h headers updated.
565    
566    checkpoint50
567    - 2nd step of merge with ecco-branch:
568      merge changes in ecco-branch back into main trunk
569    - bug fix in find_alpha
570    - more storing in gmredi_calc_tensor.F, kpp_routines.F
571    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
572    - merged some sliced AD support routines
573    
574  checkpoint49  checkpoint49
575    merged from ecco-branch:
576    o exf:
577      - Enable initialisation of forcing fields to constant
578        (runtime) values.
579      - in exf_getffields.F
580        Reduce i-/j-loop to interior domain, discarding overlaps.
581        That also fixes wrong TAF-key computations for key_1, key_2
582        with bulf formulae.
583      - exf_init.F modify #ifdef for exf_init_evap
584      - exf_getffieldrec.F, ctrl_getrec.F
585        The following INT-usages are not safe:
586          fldsecs  = int(fldsecs/fldperiod)*fldperiod
587          fldcount = int(fldsecs/fldperiod) + 1
588        and were modified.
589    o autodiff: checkpoint_lev...
590      - updated storing for bulk formulae (some arrays were missing)
591      - added state for seaice package
592      - synchronized with main branch
593    o DIVA:
594      Modif.s in
595      - the_main_loop.F
596      - the_model_main.F
597      and added cost_final_restore.F cost_final_store.F
598      o With these changes, it is possible to fully separate
599        the first forward run to compute the cost function (mdthe_main_loop)
600        and adjoint runs over individual DIVA intervals (adthe_main_loop)
601        into separate model executions.
602        This enables better tuning of DIVA to given queue sizes.
603      o Loss of cost function value in consecutive DIVA runs is
604        fixed by storing to 'costfinal' file.
605      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
606        beginning/end of adjoint integration is accounted for.
607      The current changes apply to TAF-1.4.26.
608      TAF has one remaining bug, requiring one manual change
609      (see MITgcm manual).
610    o cal: synchronized between MAIN and ecco-branch
611    
612    checkpoint48i_post
613  o Changes to restore differentiability of code w.r.t. previous tag  o Changes to restore differentiability of code w.r.t. previous tag
614    (mostly adding new routines to make list and replacing    (mostly adding new routines to make list and replacing
615    pressure by totPhiHyd).    pressure by totPhiHyd).

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