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revision 1.141 by heimbach, Fri Feb 28 05:21:22 2003 UTC revision 1.270 by edhill, Mon Mar 22 05:10:10 2004 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    o MNC:
6      - make myThid the last argument for all subroutines
7      - new default for the grid files: NO halos
8      - add useMNC and other run-time flags
9      - separate per-file-group handling of the unlimited dimension
10      - early initialization of MNC w/ flags read at the eeboot stage
11        and lookup tables set in initialize_fixed
12      - write all MNC output to a freshly-created directory
13    o thermodynamics sea-ice (thsice) is now tested with testreport.
14    o test exp. advect_cs: use the standard cs32 grid ; update output.
15    
16    checkpoint52l_post
17    o new land formulation:
18      a) use ground enthalpy as prognostic variable to ensure exact
19         energy conservation.
20      b) account for water temperature and for latent heat of freezing
21         in all processes (rain, run-off, ground storage)
22      c) compute surface and ground temperature implicitly.
23    o aim_v23 modification for new land model:
24      a) Treat separately land / ocean / sea-ice surface fluxes
25         to allow implicit computation of land & sea-ice surface temp.
26      b) add snow precipitation.
27    checkpoint52l_pre
28    
29    o fix problem (when 1 tile is empty) in min/max monitor.
30    o fix bug in timeAve (u,vZetatave in common block)
31    o no restoring terms under ice for pkg/seaice
32    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
33    o bug fix for pkg/seaice pickups
34    o change MNC call locations and add coordinate attributes
35    o mask vorticity at the corner ; affects global_ocean.cs output
36    o fix ini_curvilinear_grid ; test CS experiments with mpi
37    o aim.5l_cs: modify sea-ice fraction input file ; update output
38    o exf: Adding simple range check routine for exf fields after read
39    
40    checkpoint52k_post
41    o removed top-level directory "diags"
42      - we migrated these functions to pkg/timeave a long time ago
43    o fixed bug introduced in pkg/monitor
44    o accuracy ctrlprec = 32 insuffient for gradient checks using
45      averaged fields (I/O via cost_averages)
46      -> use ctrl.h in active_file*.F to control I/O precision.
47    o paramter list of CALL ADTHE_MAIN_LOOP
48    o added initial do_the_model_io to ecco
49    o set all ...Freq to zero after cost_final
50      taveFreq, dumpFreq, pChkptFreq
51    o MAIN and ECCO differentiability restored
52    
53    checkpoint52j_post
54    o fix nchklev in tamc.h for global_ocean...
55    o Bringing flow and store directives up-to-date
56    o Really weird thing!
57      call do_the_model_io from the_main_loop with parameters
58      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
59      TAF places a faulty re-call of initialise_varia
60      after cost_final call which should not be there!
61    checkpoint52j_pre
62    
63    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
64      error messages
65    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
66    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
67      debug output
68    o modfied mdsio_writefield.F to handle non-global files under exch2
69    o update AIM Cubed-Sphere exp (aim.5l_cs):
70      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
71    o update AIM Equatorial Channel exp:
72      use standard aim_v23 pkg and change the SST fields to be more realistic.
73    o globalFile now works with exch2
74    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
75      mon_vort3.F to make exch2 friendly with >1 tile per cube face
76    o limit timeave output for hi-res integrations
77    
78    checkpoint52i_post
79    o removed CPP_EEOPTIONS.h from verification/*/code
80    o updated the tiling for global_ocean_pressure
81    checkpoint52i_pre
82    
83    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
84      the old pkg/aim).
85    
86    checkpoint52h_pre
87    o shortened offending lines in exch2_send_rx?.template
88    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
89    o genmake2: add build & execute test for NetCDF code
90    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
91      old grid files, moved CPP_EEMACROS.h to pkg/exch2
92    o added useSingleCPUIO flag to monitor.F and mon_out.F
93    o added temporary hack for sea-ice dynamics on the cube:
94      metric terms are ignored and it is assumed that
95      there is no sea-ice on cube faces 1, 2, 4, and 5.
96    
97    checkpoint52f_post
98    o added exch2 cube routines to pkg/exch2
99    o modified hs94.cs-32x32x5 to use it
100    o added new grid files to hs94.cs-32x32x5
101    checkpoint52f_pre
102    
103    checkpoint52e_post
104    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
105      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
106    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
107      to work with implicit vertical advection and AB ;
108    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
109    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
110     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
111    checkpoint52e_pre
112    
113    o fix bug in impldiff when Nr=1 or Nr=2.
114    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
115    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
116    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
117      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
118    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
119    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
120    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
121    
122    checkpoint52d_post
123    o re-tiled many expts to allow comparison in multi-processor mode
124      - updated output accordingly
125      - changed hs94.128x64x5 to use intial T from file rather than use the
126        random number generator
127    o add infrastructure in model routines for fizhi and gridalt packages
128    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
129    o changes to permit hi-res, cubed-sphere, configuration
130      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
131      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
132      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
133        of surface winds for the cube
134      (A verification experiment, based on global_ocean.cs32x15, but with
135       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
136       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
137       complete with example surface forcing files and matlab scripts to look
138       at the output and compare it with that of global_ocean.cs32x15.)
139    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
140       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
141       to conform to the common rule.
142    o check-in the first version of the coupler + interfaces for multi-components
143       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
144       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
145       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
146       - ocean and atmos. share the same horizontal grid (no interpolation).
147       - exchanges between component and coupler is done in forward_step
148    o new verification experiment, cpl_aim+ocn:
149       coupled ocean - AIM atmosphere on cs32 grid.
150    
151    checkpoint52d_pre
152    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
153    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
154    
155    checkpoint52c_post
156    o Fixing OPTIONS files for use of exf:
157      - ALLOW_ECCO not needed
158      - ECCO_CPPOPTIONS.h should not be included from
159        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
160        as has been the case in the past
161      - All cal/exf related options are currently set in
162        single header file. Should remain so until we
163        agree on a consistent new policy.
164    o Removed all CPP options for cal package.
165      cal has no more CPP options.
166    o modified STOREs in GAD_ADVECTION
167    o corrected key comp. for passkey
168    
169    checkpoint52b_post
170    o new version: "thsice" of thermodynamic sea-ice pkg:
171     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
172     - modify fluxes but do not change theta directly;
173     - light cleaning of bulk_force pkg (still needed with thsice).
174     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
175       + output_thsice.txt to test thsice & bulk_force pkgs.
176    o put back grid & coriolis monitor output.
177    checkpoint52b_pre
178    
179    o call "do_the_model_io" at the beginning (=> dump initial state)
180    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
181    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
182      (need info on NUMBER_OF_PTRACERS)
183    o missing PTRACERS headers in some routines
184    o default tamc.h in pkg/autodiff supposed to crash
185      to ensure proper customization
186    
187    checkpoint52a_post
188    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
189      - moved surfaceTendencyTice from pkg/seaice to main code
190      - subroutine FREEZE_SURFACE now limits only surface temperature
191        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
192        => new output.txt for global_ocean.cs32x15 & global_with_exf
193      - keep the old version of FREEZE for backward compatibility;
194        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
195      - corresponding modifs for TAF directives
196    o added surface flux output variables to TIMEAVE_STATVARS
197    o time-averaged output for pkg/ptracers
198    o fix problem with ECCO-related divided adjoint
199      snapshot file was missing some ad-variables,
200      but no warning issued by TAF
201    
202    checkpoint52a_pre
203    o some bug fixes for #undef REAL4_IS_SLOW
204    
205    checkpoint52 = ecco_c52_e35
206    o after testing adjoints of checkpoint51u_post
207    
208    checkpoint51u_post
209    o this is the post-merge tag of the ecco-branch
210      (needs another clean checkout and re-testing)
211    o various natl_box_adjoint configs and results
212      but no input fields
213    o obcs adjoint not yet merged!
214    o adding ECCO global 1x1 and 2x2 degree configs
215    o updated/extended some store directives for seaice
216    o pkg/ecco now containes ecco-specific part of cost function
217    o top level routines the_main_loop, forward_step
218      supersede those in model/src/
219      previous input data.cost now in data.ecco
220      (new namelist ecco_cost_nml)
221    o in ctrl/ cleaned some cross-dependencies and updated CPP options
222    
223    checkpoint51t_post
224    o this is the pre-merge tag of the ecco-branch
225    
226    checkpoint51s_post
227    o cleanup: removed various obsolete #define-s
228    o pkg/grdchk
229      - renamed 'ph-grd 3' to 'grad-res'
230      - merged from ecco-branch
231        (remaining bug fixes for obcs gradient checks)
232      - additional high-precision output for testreport
233        (grep for 'precision_grdchk_result')
234    
235    checkpoint51r_post
236    o cleaned up or removed CPP_OPTIONS.h files
237    o updated results for some of the tests to reflect the new
238      optfiles (-ieee: -O0 instead of -O3)
239    
240    checkpoint51q_post
241    o cd_code:
242      - moved cd_scheme.F -> cd_code_scheme.F
243      - separate read_checkpoint from cd_code_ini_vars.F
244      - separated cd_code part from write_checkpoint
245      - updated AD_SOURCE, generated .flow
246      - added CD_CODE_VARS.h to the_main_loop
247      - Moving cd_code specific store dir.s to pkg/cd_code
248    o ctrl package totally restructured
249      - pack/unpack now optional and decoupled from
250        xx_/adxx_ I/O
251      - ctrl_pack/unpack cleaned
252        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
253      - confined inclusion of AD_CONFIG.h to where necessary.
254    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
255    
256    checkpoint51p_post
257    o create initial cd_code package
258      - WARNING: the initialization of fields within packages
259        is broken because INI_FIELDS (where READ_CHECKPOINT is
260        called) is called *before* PACKAGES_INIT_VARIABLES.
261        This seems to be backwards since
262        1) its important to initially zero the entire field including
263           the "halo" region
264        2) zeroing needs to be done *before* reading pickup info
265           and the pickup call might or might not happen in any
266           particular run
267      - this needs an overhaul for R2
268    o cleanup verification/*/code/GMREDI_OPTIONS.h
269    o cleanup testreport
270    
271    checkpoint51o_post
272    o bringing AD-related verif's up to date with genmake2
273      - carbon/
274      - global_ocean.90x40x15/
275      - hs.94.1x64x5/
276      - (front_relax/ )
277    o (more) consistent directory structure for AD-related verif.'s
278    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
279    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
280    o bug fix in find_alpha.F for MDJWF:
281      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
282        change rho -> rho-rhoConst
283      - replace call find_rho to find_rhonum
284    o initialisation of rFlx extended to full array (required by TAF)
285      and shifted to thermodynamics
286    o removed PTRACERS.h in ptracers routine
287    o added surfacetendencyPtr to S/R parameter list pracers_forcing
288    o Correcting initialisations for fVerU, fVerV.
289    o helping TAF to recognize dependency on kUp for
290      fVerU, fVerV
291    o Replacing delZ by delR in pkg/ctrl/
292    checkpoint51o_pre
293    
294    o undid all of cp51 pending some cleanups and discussion
295    o added the [#include "AD_CONFIG.h"] statement to all files that need
296       it for adjoint/tl #defines
297     o re-worked the build logic in genmake2 to support AD_CONFIG.h
298     o removed tools/genmake since it no longer works
299    
300    checkpoint51n_post
301    o modifications to make FREEZE flux visible to pkg/kpp
302      - moved surfaceTendencyTice from pkg/seaice to main code
303      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
304      - subroutine FREEZE now limits only surface temperature
305        (this means new output.txt for global_ocean.90x40x15,
306         global_ocean.cs32x15, and global_with_exf)
307    o added surface flux output variables to TIMEAVE_STATVARS
308    
309    checkpoint51n_pre
310    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
311    o added [#include "AD_CONFIG.h"] to all files that use the following
312      defines:
313      - ALLOW_ADJOINT_RUN
314      - ALLOW_TANGENTLINEAR_RUN
315      - ALLOW_ECCO_OPTIMIZATION
316    
317    checkpoint51m_post
318    o incorporating changes to get TAMC/TAF working in genmake2
319      - added new TAMC/TAF targets to the Makefile
320      - various cleanups related to package handling
321      - these changes should have no impact on the forward model
322    
323    checkpoint51l_post
324    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
325     - faster algorithm for cal_addtime.F
326     - higher precision arithmetic, where needed
327     - pkg/exf *startdate variables changed from calendar date to
328       model integration time
329    
330    checkpoint51l_pre
331    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
332    o enable to apply restoring on S & T only in a latitude band.
333    o update output (external_forcing_surf modif. change truncation errors)
334       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
335    
336    checkpoint51k_post
337    o change default to: useNHMTerms=.FALSE.
338     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
339       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
340     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
341        exp1, ideal_2D_oce
342     - change data file of oceanic exp (leave the results unchanged for now)
343       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
344    o set gravitySign automatically according to the vertical coordinate used
345      (and change sign: back to "logical" value: +1 when R increases downward)
346    o added an include barrier to the default CPP_OPTIONS.h and
347      removed the #include "PACKAGES_CONFIG.h" from it
348    o fix a bug in mom_fluxform (from chk51j_post)
349    
350    checkpoint51j_post
351    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
352    o adjusted some flow directives (dynamics, thermodynamics)
353    o added cubed-sphere case to test cost function
354    o heckpoint_lev?_directives.h now include
355      pkg-specific directives, whenever those are enabled.
356    o Moving pkg-specific flow directives to corresponding pkg
357      Moving pkg-specific differentiation list to corresponding pkg
358      Moving pkg-specific checkpoint-lev storing to corresponding pkg
359      ---> conventions are
360           - pkg_ad.flow
361           - pkg_ad_diff.list
362           - pkg_ad_check_lev?_dir.h
363    
364    checkpoint51i_post
365    o merge of the branch-genmake2
366      - knowingly breaks the older genmake
367      - automatic generation of all ALLOW_${PKG_NAME} defines
368      - new testreport supersedes older testscript
369    o large number of package inclusion and header cleanups
370    checkpoint51i_pre
371    
372    o new output for adjoin of global ocean vector invariant
373    o fix for checkpoint of thermodynamic seaice and bulk_force
374    o Steph gchem various cleanups
375    
376    checkpoint 51h_pre
377    o fixed some single quotes
378    o modify gchem pkg to be more versatile
379    o modifications to clean up dic pkg
380    o add pkg/cfc
381    
382    checkpoint51g_post
383    o provide links for ARPACK and ADM*TLM
384    o start removing verification/vero/
385    o update AD-related stuff
386      (in particular some IF-statements in model/src/ routines)
387    o adding to verification/global_ocean.90x40x15/ adjoint of
388      vector invariant setup
389    
390    checkpoint51f_post
391    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
392    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
393      of tracer Green's fucntions for ocean inversion project.
394    
395    checkpoint51f_pre
396    o Added on-the-fly spatial interpolation capability
397        "USE_EXF_INTERPOLATION" to pkg/exf.
398      - This is a temporary Cartesian-grid hack until
399        the super-duper ESMF coupler becomes available.
400      - See verification/global_with_exf/README for usage example.
401      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
402        flags and modified pkg/seaice accordingly.
403    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
404        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
405        non-local transport term.
406    
407    checkpoint51e_post
408    o pkg/mom_vecinv:
409      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
410      - add time-ave diagnostic of vorticity advection.
411    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
412    o atmospheric geopotential: - include water vapor effect;
413                                - use p^kappa in p* scaling.
414    o land pkg: read initial state from files.
415    o AIM : add stratospheric drag in the upper level
416    
417    checkpoint51d_post
418    o change function ILNBLNK (=> last non-blank char.) to return zero
419      (instead of the string length) when the string. char is empty
420    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
421    o modif's to restore TAMC compatibility
422      - avoid "_d" constructs in PARAMETER declarations
423      - avoid interrupting lines by comment lines
424    o Use cluster local disks for purely local I/O
425      vs. globally visible disks needed for ctrl stuff
426      (merged from ecco-branch)
427      - new active_file_loc... and mdsio_..._loc routines
428      - affected packages: autodiff, ctrl, grdchk, mdsio
429    
430    checkpoint51c_post
431    o introducing integer flag debugLevel
432      - debLevZero: suppress all output
433      - debLevA: standard
434      - debLevB: equivalent to current debugMode=.TRUE.
435    o introducing pathname variable mdsioLocalDir for mdsio
436      that can be specified at runtime
437      (relevant for cluster I/O to local disk)
438    `
439    >>>checkpoint51b_post
440    adjoint of ptracers
441    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
442    o extended state in checkpoint_lev?, etc.
443    o alternative ctrl/cost with tr1 or ptracer
444    o new comlev1_bibj_ptracers
445    o new ptracers.flow
446    o made ptracers_forcing same as external_forcing_s
447    o added verification for adjoint with ptracers
448      - adm. grdchk fail so far
449      - tlm. grdchk OK
450      - checked tapelev/comlev recomputations: OK
451    <<<checkpoint51b_pre
452    
453    checkpoint51a_post
454    o added code for biogeochemistry package
455      - new pkgs: dic, gchem
456      - new subroutine in ptracers
457    o modify code for biogeo packages
458      - in model/src and pkg/ptracers
459    
460    checkpoint51
461    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
462      - autodiff, ctrl, exf, grdchk, seaice
463      kept separate packages
464      - cost, ecco, obcs
465    o updating verification/internal_wave, verification/lab_sea
466      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
467    
468    checkpoint50i_post
469    o Preparing next differentiable checkpoint and sync
470      of MAIN vs. ecco-branch
471      - 1st step: this one is differentiable
472      - 2nd step: next(! not this) checkpoint will have updated packages
473                  from ecco-branch)
474    
475    checkpoint50h_post
476    o new package "land": provide surface BC for AIM.
477    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
478    o AIM: use true log-P extrapolation for near surface temp (= as in
479        F.Molteni paper) ; update aim.5l_cs output.
480    o New variable in PARM03 for more flexible pickups
481    o somewhat cleaned package initialisation sequence for
482      ctrl/ cost/ ecco/ in packages_... routines
483    
484    checkpoint50g_post
485    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
486      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
487      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
488        made the default because of faster convergence than ADI
489    
490    checkpoint50f_post
491    o exf totally restructured
492      - replaced all exf_set_ routines by one generic exf_set_gen.F
493        and made sure it's still differentiable
494      - split exf_getffields.F into new exf_bulkformulae.F
495      - exf_inscal_/exf_outscal_ suffixes consistent with field names
496      - updated adjoint/makefile and relevant verif. accordingly
497    
498    checkpoint50f_pre
499     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
500          + change Evap over land. (update aim.5l_cs output)
501     o added missing .cvsignores and made uniform across expts
502     o changed configuration of tidal_basin_2d expt
503     o added pkg/debug functions for tracing code in fatal crashes
504     o tidied pkg/monitor to use MONITOR_OPTIONS.h
505     o new fn in pkg/monitor to stop model if solution grows too big
506     o removed lots of single quotes from comments
507    
508    checkpoint50e_post
509    o make KPP work with PTRACERS
510     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
511       nearly a copy of kpp_transport_s
512     - there is no analogue to SurfaceTendencyS, so I have to use
513       gPtr(of the surface layer) instead
514    o add a new platform SunFire+mpi (SunFire 15000) to genmake
515    checkpoint50e_pre
516    
517    checkpoint50d_post
518    o change kpp output from multiple-record state files to single-record state
519      files analogous to write_state.F
520    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
521      analogous to the cg2d-related output.
522    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
523      so that writing to internal file fn (with length 512) fails.
524    checkpoint50d_pre
525    
526    checkpoint50c_post
527    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
528    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
529    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
530    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
531    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
532    
533    checkpoint50c_pre
534    Merging from release1_p13:
535    o bug fix for pkg/seaice dynamic solver
536    o Added SEAICE_initialHEFF to pkg/seaice
537    
538    checkpoint50b_post
539    o store u*,v* in gU,V instead of in guNm1,gvNm1
540    o in order to put the momForcing out of the Adams-Bashforth:
541      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
542      to timestep.F
543    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
544    o re-generate output for highly sensitive test-exp:
545       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
546    
547    checkpoint50b_pre
548    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
549    o corrected CPP option mismatch in exf_Bulk... functions for case
550      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
551    
552    checkpoint50a_post
553    o Bug fix for merging between c50 and KPP.
554      ikey was passed from thermodynamics to kpp_calc via
555      common block rather than being recomputed in kpp_calc,
556      in contradiction with new key itdkey.
557      New key ikppkey created, and tamc.h headers updated.
558    
559    checkpoint50
560    - 2nd step of merge with ecco-branch:
561      merge changes in ecco-branch back into main trunk
562    - bug fix in find_alpha
563    - more storing in gmredi_calc_tensor.F, kpp_routines.F
564    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
565    - merged some sliced AD support routines
566    
567  checkpoint49  checkpoint49
568    merged from ecco-branch:
569    o exf:
570      - Enable initialisation of forcing fields to constant
571        (runtime) values.
572      - in exf_getffields.F
573        Reduce i-/j-loop to interior domain, discarding overlaps.
574        That also fixes wrong TAF-key computations for key_1, key_2
575        with bulf formulae.
576      - exf_init.F modify #ifdef for exf_init_evap
577      - exf_getffieldrec.F, ctrl_getrec.F
578        The following INT-usages are not safe:
579          fldsecs  = int(fldsecs/fldperiod)*fldperiod
580          fldcount = int(fldsecs/fldperiod) + 1
581        and were modified.
582    o autodiff: checkpoint_lev...
583      - updated storing for bulk formulae (some arrays were missing)
584      - added state for seaice package
585      - synchronized with main branch
586    o DIVA:
587      Modif.s in
588      - the_main_loop.F
589      - the_model_main.F
590      and added cost_final_restore.F cost_final_store.F
591      o With these changes, it is possible to fully separate
592        the first forward run to compute the cost function (mdthe_main_loop)
593        and adjoint runs over individual DIVA intervals (adthe_main_loop)
594        into separate model executions.
595        This enables better tuning of DIVA to given queue sizes.
596      o Loss of cost function value in consecutive DIVA runs is
597        fixed by storing to 'costfinal' file.
598      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
599        beginning/end of adjoint integration is accounted for.
600      The current changes apply to TAF-1.4.26.
601      TAF has one remaining bug, requiring one manual change
602      (see MITgcm manual).
603    o cal: synchronized between MAIN and ecco-branch
604    
605    checkpoint48i_post
606  o Changes to restore differentiability of code w.r.t. previous tag  o Changes to restore differentiability of code w.r.t. previous tag
607    (mostly adding new routines to make list and replacing    (mostly adding new routines to make list and replacing
608    pressure by totPhiHyd).    pressure by totPhiHyd).

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