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revision 1.141 by heimbach, Fri Feb 28 05:21:22 2003 UTC revision 1.292 by dimitri, Thu May 13 21:44:59 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 added printMapIncludesZeros to EEPARMS namelist
7    
8    checkpoint53a_post
9    o restore TAMC compatiility for exf_constants.h
10      (no usage of _d in .h)
11    o Additional storing in KPP in an attempt to fix
12      TAMC problem with adjoint of KPP code.
13      (no success...)
14      Identical code works fine with TAF.
15    o Fixed verification/natl_box_adjoint experiments.
16      Initial conditions for Experiments 4 and 5 are now
17      set to "SEAICE_initialHEFF=0", which is more reasonable,
18      and hence gives results closer to that of Experiment 2.
19      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
20    
21    checkpoint53
22    o stable checkpoint with up to date adjoint
23      TLM tests only run for 1st grdchk at the moment. Its unclear if
24      this is a code problem or a problem with resetting code for g_
25      variables that is being autogenerated wrong.
26      Otherwise:
27       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
28       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
29         are both still in chaos following their security messes.
30    
31    checkpoint52n_post
32    o various build (mostly genmake2) changes including:
33      - ability to build/run more easily within Cygwin and MacOS X
34      - more complicated Makefiles with a stronger dependence on Gnu Make
35    o pkg/seaice modifications
36      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
37        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
38        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
39      - changed proxy for geostrophic velocity and updated
40        verification/lab_sea/results/* accordingly
41      - removed ADI dynamic solver from pkg/seaice
42      - replaced all occurrences of 1/CSTICE or 1/CSUICE
43        they caused a segmentation fault under certain circumstances
44      - removed unused field WATR
45    o bug fix in exf-package:
46      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
47         now reflect that.
48    o small fixes in the cal-package:
49      - set reference date to first of January for the 'model'-calendar
50      - failing of cal_CheckDate in cal_FullDate now actually results in a
51        warning
52    o small modifications in exf-package to increase flexibility:
53      - change climtempfreeze from a constant to a runtime parameter that
54        is specified in data.exf_clim (default = -1.9)
55      - introduce runtime parameter windstressmax (default = 2.0) that is
56        specified in data.exf
57    o fix in pkg/thsice:
58      - update Evap (Tsf changes) to be consistent with Latent heat flux
59      - maintain snow precipitation unchanged (even if Tsf >=0).
60     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
61    
62    checkpoint52m_post
63    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
64      this does not change any of the results, because myIter=0 in swfrac always
65      lead to jwtype=2 (the default anyway), but the call makes little sense
66      as a default
67    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
68    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
69      atmospheric model (AIM) to use it ; add a "slab ocean" component.
70    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
71    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
72    o extending useSingleCpuIO option to work with new exch2 I/O format
73      - old-style, missing-tile I/O is still accessible by defining CPP
74        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
75    o monitor package can write to NetCDF files and/or STDOUT
76    o fix re-definition bug in MNC_GRID_INIT_ALL()
77    o doc/api_reference added
78      - a framework for building an API Reference Manual using all
79        the "protex" comments embedded in the code
80      - see pkg/generic_advdiff, pkg/mnc for examples
81    o MNC:
82      - make myThid the last argument for all subroutines
83      - new default for the grid files: NO halos
84      - add useMNC and other run-time flags
85      - separate per-file-group handling of the unlimited dimension
86      - early initialization of MNC w/ flags read at the eeboot stage
87        and lookup tables set in initialize_fixed
88      - write all MNC output to a freshly-created directory
89    o thermodynamics sea-ice (thsice) is now tested with testreport.
90    o test exp. advect_cs: use the standard cs32 grid ; update output.
91    o Added functionality to grdchk:
92      pick global i,j,k position (or nearest wet) where to perform check.
93    
94    checkpoint52l_post
95    o new land formulation:
96      a) use ground enthalpy as prognostic variable to ensure exact
97         energy conservation.
98      b) account for water temperature and for latent heat of freezing
99         in all processes (rain, run-off, ground storage)
100      c) compute surface and ground temperature implicitly.
101    o aim_v23 modification for new land model:
102      a) Treat separately land / ocean / sea-ice surface fluxes
103         to allow implicit computation of land & sea-ice surface temp.
104      b) add snow precipitation.
105    checkpoint52l_pre
106    
107    o fix problem (when 1 tile is empty) in min/max monitor.
108    o fix bug in timeAve (u,vZetatave in common block)
109    o no restoring terms under ice for pkg/seaice
110    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
111    o bug fix for pkg/seaice pickups
112    o change MNC call locations and add coordinate attributes
113    o mask vorticity at the corner ; affects global_ocean.cs output
114    o fix ini_curvilinear_grid ; test CS experiments with mpi
115    o aim.5l_cs: modify sea-ice fraction input file ; update output
116    o exf: Adding simple range check routine for exf fields after read
117    
118    checkpoint52k_post
119    o removed top-level directory "diags"
120      - we migrated these functions to pkg/timeave a long time ago
121    o fixed bug introduced in pkg/monitor
122    o accuracy ctrlprec = 32 insuffient for gradient checks using
123      averaged fields (I/O via cost_averages)
124      -> use ctrl.h in active_file*.F to control I/O precision.
125    o paramter list of CALL ADTHE_MAIN_LOOP
126    o added initial do_the_model_io to ecco
127    o set all ...Freq to zero after cost_final
128      taveFreq, dumpFreq, pChkptFreq
129    o MAIN and ECCO differentiability restored
130    
131    checkpoint52j_post
132    o fix nchklev in tamc.h for global_ocean...
133    o Bringing flow and store directives up-to-date
134    o Really weird thing!
135      call do_the_model_io from the_main_loop with parameters
136      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
137      TAF places a faulty re-call of initialise_varia
138      after cost_final call which should not be there!
139    checkpoint52j_pre
140    
141    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
142      error messages
143    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
144    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
145      debug output
146    o modfied mdsio_writefield.F to handle non-global files under exch2
147    o update AIM Cubed-Sphere exp (aim.5l_cs):
148      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
149    o update AIM Equatorial Channel exp:
150      use standard aim_v23 pkg and change the SST fields to be more realistic.
151    o globalFile now works with exch2
152    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
153      mon_vort3.F to make exch2 friendly with >1 tile per cube face
154    o limit timeave output for hi-res integrations
155    
156    checkpoint52i_post
157    o removed CPP_EEOPTIONS.h from verification/*/code
158    o updated the tiling for global_ocean_pressure
159    checkpoint52i_pre
160    
161    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
162      the old pkg/aim).
163    
164    checkpoint52h_pre
165    o shortened offending lines in exch2_send_rx?.template
166    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
167    o genmake2: add build & execute test for NetCDF code
168    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
169      old grid files, moved CPP_EEMACROS.h to pkg/exch2
170    o added useSingleCPUIO flag to monitor.F and mon_out.F
171    o added temporary hack for sea-ice dynamics on the cube:
172      metric terms are ignored and it is assumed that
173      there is no sea-ice on cube faces 1, 2, 4, and 5.
174    
175    checkpoint52f_post
176    o added exch2 cube routines to pkg/exch2
177    o modified hs94.cs-32x32x5 to use it
178    o added new grid files to hs94.cs-32x32x5
179    checkpoint52f_pre
180    
181    checkpoint52e_post
182    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
183      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
184    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
185      to work with implicit vertical advection and AB ;
186    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
187    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
188     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
189    checkpoint52e_pre
190    
191    o fix bug in impldiff when Nr=1 or Nr=2.
192    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
193    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
194    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
195      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
196    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
197    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
198    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
199    
200    checkpoint52d_post
201    o re-tiled many expts to allow comparison in multi-processor mode
202      - updated output accordingly
203      - changed hs94.128x64x5 to use intial T from file rather than use the
204        random number generator
205    o add infrastructure in model routines for fizhi and gridalt packages
206    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
207    o changes to permit hi-res, cubed-sphere, configuration
208      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
209      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
210      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
211        of surface winds for the cube
212      (A verification experiment, based on global_ocean.cs32x15, but with
213       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
214       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
215       complete with example surface forcing files and matlab scripts to look
216       at the output and compare it with that of global_ocean.cs32x15.)
217    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
218       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
219       to conform to the common rule.
220    o check-in the first version of the coupler + interfaces for multi-components
221       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
222       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
223       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
224       - ocean and atmos. share the same horizontal grid (no interpolation).
225       - exchanges between component and coupler is done in forward_step
226    o new verification experiment, cpl_aim+ocn:
227       coupled ocean - AIM atmosphere on cs32 grid.
228    
229    checkpoint52d_pre
230    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
231    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
232    
233    checkpoint52c_post
234    o Fixing OPTIONS files for use of exf:
235      - ALLOW_ECCO not needed
236      - ECCO_CPPOPTIONS.h should not be included from
237        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
238        as has been the case in the past
239      - All cal/exf related options are currently set in
240        single header file. Should remain so until we
241        agree on a consistent new policy.
242    o Removed all CPP options for cal package.
243      cal has no more CPP options.
244    o modified STOREs in GAD_ADVECTION
245    o corrected key comp. for passkey
246    
247    checkpoint52b_post
248    o new version: "thsice" of thermodynamic sea-ice pkg:
249     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
250     - modify fluxes but do not change theta directly;
251     - light cleaning of bulk_force pkg (still needed with thsice).
252     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
253       + output_thsice.txt to test thsice & bulk_force pkgs.
254    o put back grid & coriolis monitor output.
255    checkpoint52b_pre
256    
257    o call "do_the_model_io" at the beginning (=> dump initial state)
258    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
259    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
260      (need info on NUMBER_OF_PTRACERS)
261    o missing PTRACERS headers in some routines
262    o default tamc.h in pkg/autodiff supposed to crash
263      to ensure proper customization
264    
265    checkpoint52a_post
266    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
267      - moved surfaceTendencyTice from pkg/seaice to main code
268      - subroutine FREEZE_SURFACE now limits only surface temperature
269        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
270        => new output.txt for global_ocean.cs32x15 & global_with_exf
271      - keep the old version of FREEZE for backward compatibility;
272        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
273      - corresponding modifs for TAF directives
274    o added surface flux output variables to TIMEAVE_STATVARS
275    o time-averaged output for pkg/ptracers
276    o fix problem with ECCO-related divided adjoint
277      snapshot file was missing some ad-variables,
278      but no warning issued by TAF
279    
280    checkpoint52a_pre
281    o some bug fixes for #undef REAL4_IS_SLOW
282    
283    checkpoint52 = ecco_c52_e35
284    o after testing adjoints of checkpoint51u_post
285    
286    checkpoint51u_post
287    o this is the post-merge tag of the ecco-branch
288      (needs another clean checkout and re-testing)
289    o various natl_box_adjoint configs and results
290      but no input fields
291    o obcs adjoint not yet merged!
292    o adding ECCO global 1x1 and 2x2 degree configs
293    o updated/extended some store directives for seaice
294    o pkg/ecco now containes ecco-specific part of cost function
295    o top level routines the_main_loop, forward_step
296      supersede those in model/src/
297      previous input data.cost now in data.ecco
298      (new namelist ecco_cost_nml)
299    o in ctrl/ cleaned some cross-dependencies and updated CPP options
300    
301    checkpoint51t_post
302    o this is the pre-merge tag of the ecco-branch
303    
304    checkpoint51s_post
305    o cleanup: removed various obsolete #define-s
306    o pkg/grdchk
307      - renamed 'ph-grd 3' to 'grad-res'
308      - merged from ecco-branch
309        (remaining bug fixes for obcs gradient checks)
310      - additional high-precision output for testreport
311        (grep for 'precision_grdchk_result')
312    
313    checkpoint51r_post
314    o cleaned up or removed CPP_OPTIONS.h files
315    o updated results for some of the tests to reflect the new
316      optfiles (-ieee: -O0 instead of -O3)
317    
318    checkpoint51q_post
319    o cd_code:
320      - moved cd_scheme.F -> cd_code_scheme.F
321      - separate read_checkpoint from cd_code_ini_vars.F
322      - separated cd_code part from write_checkpoint
323      - updated AD_SOURCE, generated .flow
324      - added CD_CODE_VARS.h to the_main_loop
325      - Moving cd_code specific store dir.s to pkg/cd_code
326    o ctrl package totally restructured
327      - pack/unpack now optional and decoupled from
328        xx_/adxx_ I/O
329      - ctrl_pack/unpack cleaned
330        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
331      - confined inclusion of AD_CONFIG.h to where necessary.
332    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
333    
334    checkpoint51p_post
335    o create initial cd_code package
336      - WARNING: the initialization of fields within packages
337        is broken because INI_FIELDS (where READ_CHECKPOINT is
338        called) is called *before* PACKAGES_INIT_VARIABLES.
339        This seems to be backwards since
340        1) its important to initially zero the entire field including
341           the "halo" region
342        2) zeroing needs to be done *before* reading pickup info
343           and the pickup call might or might not happen in any
344           particular run
345      - this needs an overhaul for R2
346    o cleanup verification/*/code/GMREDI_OPTIONS.h
347    o cleanup testreport
348    
349    checkpoint51o_post
350    o bringing AD-related verif's up to date with genmake2
351      - carbon/
352      - global_ocean.90x40x15/
353      - hs.94.1x64x5/
354      - (front_relax/ )
355    o (more) consistent directory structure for AD-related verif.'s
356    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
357    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
358    o bug fix in find_alpha.F for MDJWF:
359      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
360        change rho -> rho-rhoConst
361      - replace call find_rho to find_rhonum
362    o initialisation of rFlx extended to full array (required by TAF)
363      and shifted to thermodynamics
364    o removed PTRACERS.h in ptracers routine
365    o added surfacetendencyPtr to S/R parameter list pracers_forcing
366    o Correcting initialisations for fVerU, fVerV.
367    o helping TAF to recognize dependency on kUp for
368      fVerU, fVerV
369    o Replacing delZ by delR in pkg/ctrl/
370    checkpoint51o_pre
371    
372    o undid all of cp51 pending some cleanups and discussion
373    o added the [#include "AD_CONFIG.h"] statement to all files that need
374       it for adjoint/tl #defines
375     o re-worked the build logic in genmake2 to support AD_CONFIG.h
376     o removed tools/genmake since it no longer works
377    
378    checkpoint51n_post
379    o modifications to make FREEZE flux visible to pkg/kpp
380      - moved surfaceTendencyTice from pkg/seaice to main code
381      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
382      - subroutine FREEZE now limits only surface temperature
383        (this means new output.txt for global_ocean.90x40x15,
384         global_ocean.cs32x15, and global_with_exf)
385    o added surface flux output variables to TIMEAVE_STATVARS
386    
387    checkpoint51n_pre
388    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
389    o added [#include "AD_CONFIG.h"] to all files that use the following
390      defines:
391      - ALLOW_ADJOINT_RUN
392      - ALLOW_TANGENTLINEAR_RUN
393      - ALLOW_ECCO_OPTIMIZATION
394    
395    checkpoint51m_post
396    o incorporating changes to get TAMC/TAF working in genmake2
397      - added new TAMC/TAF targets to the Makefile
398      - various cleanups related to package handling
399      - these changes should have no impact on the forward model
400    
401    checkpoint51l_post
402    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
403     - faster algorithm for cal_addtime.F
404     - higher precision arithmetic, where needed
405     - pkg/exf *startdate variables changed from calendar date to
406       model integration time
407    
408    checkpoint51l_pre
409    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
410    o enable to apply restoring on S & T only in a latitude band.
411    o update output (external_forcing_surf modif. change truncation errors)
412       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
413    
414    checkpoint51k_post
415    o change default to: useNHMTerms=.FALSE.
416     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
417       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
418     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
419        exp1, ideal_2D_oce
420     - change data file of oceanic exp (leave the results unchanged for now)
421       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
422    o set gravitySign automatically according to the vertical coordinate used
423      (and change sign: back to "logical" value: +1 when R increases downward)
424    o added an include barrier to the default CPP_OPTIONS.h and
425      removed the #include "PACKAGES_CONFIG.h" from it
426    o fix a bug in mom_fluxform (from chk51j_post)
427    
428    checkpoint51j_post
429    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
430    o adjusted some flow directives (dynamics, thermodynamics)
431    o added cubed-sphere case to test cost function
432    o heckpoint_lev?_directives.h now include
433      pkg-specific directives, whenever those are enabled.
434    o Moving pkg-specific flow directives to corresponding pkg
435      Moving pkg-specific differentiation list to corresponding pkg
436      Moving pkg-specific checkpoint-lev storing to corresponding pkg
437      ---> conventions are
438           - pkg_ad.flow
439           - pkg_ad_diff.list
440           - pkg_ad_check_lev?_dir.h
441    
442    checkpoint51i_post
443    o merge of the branch-genmake2
444      - knowingly breaks the older genmake
445      - automatic generation of all ALLOW_${PKG_NAME} defines
446      - new testreport supersedes older testscript
447    o large number of package inclusion and header cleanups
448    checkpoint51i_pre
449    
450    o new output for adjoin of global ocean vector invariant
451    o fix for checkpoint of thermodynamic seaice and bulk_force
452    o Steph gchem various cleanups
453    
454    checkpoint 51h_pre
455    o fixed some single quotes
456    o modify gchem pkg to be more versatile
457    o modifications to clean up dic pkg
458    o add pkg/cfc
459    
460    checkpoint51g_post
461    o provide links for ARPACK and ADM*TLM
462    o start removing verification/vero/
463    o update AD-related stuff
464      (in particular some IF-statements in model/src/ routines)
465    o adding to verification/global_ocean.90x40x15/ adjoint of
466      vector invariant setup
467    
468    checkpoint51f_post
469    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
470    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
471      of tracer Green's fucntions for ocean inversion project.
472    
473    checkpoint51f_pre
474    o Added on-the-fly spatial interpolation capability
475        "USE_EXF_INTERPOLATION" to pkg/exf.
476      - This is a temporary Cartesian-grid hack until
477        the super-duper ESMF coupler becomes available.
478      - See verification/global_with_exf/README for usage example.
479      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
480        flags and modified pkg/seaice accordingly.
481    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
482        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
483        non-local transport term.
484    
485    checkpoint51e_post
486    o pkg/mom_vecinv:
487      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
488      - add time-ave diagnostic of vorticity advection.
489    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
490    o atmospheric geopotential: - include water vapor effect;
491                                - use p^kappa in p* scaling.
492    o land pkg: read initial state from files.
493    o AIM : add stratospheric drag in the upper level
494    
495    checkpoint51d_post
496    o change function ILNBLNK (=> last non-blank char.) to return zero
497      (instead of the string length) when the string. char is empty
498    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
499    o modif's to restore TAMC compatibility
500      - avoid "_d" constructs in PARAMETER declarations
501      - avoid interrupting lines by comment lines
502    o Use cluster local disks for purely local I/O
503      vs. globally visible disks needed for ctrl stuff
504      (merged from ecco-branch)
505      - new active_file_loc... and mdsio_..._loc routines
506      - affected packages: autodiff, ctrl, grdchk, mdsio
507    
508    checkpoint51c_post
509    o introducing integer flag debugLevel
510      - debLevZero: suppress all output
511      - debLevA: standard
512      - debLevB: equivalent to current debugMode=.TRUE.
513    o introducing pathname variable mdsioLocalDir for mdsio
514      that can be specified at runtime
515      (relevant for cluster I/O to local disk)
516    `
517    >>>checkpoint51b_post
518    adjoint of ptracers
519    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
520    o extended state in checkpoint_lev?, etc.
521    o alternative ctrl/cost with tr1 or ptracer
522    o new comlev1_bibj_ptracers
523    o new ptracers.flow
524    o made ptracers_forcing same as external_forcing_s
525    o added verification for adjoint with ptracers
526      - adm. grdchk fail so far
527      - tlm. grdchk OK
528      - checked tapelev/comlev recomputations: OK
529    <<<checkpoint51b_pre
530    
531    checkpoint51a_post
532    o added code for biogeochemistry package
533      - new pkgs: dic, gchem
534      - new subroutine in ptracers
535    o modify code for biogeo packages
536      - in model/src and pkg/ptracers
537    
538    checkpoint51
539    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
540      - autodiff, ctrl, exf, grdchk, seaice
541      kept separate packages
542      - cost, ecco, obcs
543    o updating verification/internal_wave, verification/lab_sea
544      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
545    
546    checkpoint50i_post
547    o Preparing next differentiable checkpoint and sync
548      of MAIN vs. ecco-branch
549      - 1st step: this one is differentiable
550      - 2nd step: next(! not this) checkpoint will have updated packages
551                  from ecco-branch)
552    
553    checkpoint50h_post
554    o new package "land": provide surface BC for AIM.
555    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
556    o AIM: use true log-P extrapolation for near surface temp (= as in
557        F.Molteni paper) ; update aim.5l_cs output.
558    o New variable in PARM03 for more flexible pickups
559    o somewhat cleaned package initialisation sequence for
560      ctrl/ cost/ ecco/ in packages_... routines
561    
562    checkpoint50g_post
563    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
564      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
565      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
566        made the default because of faster convergence than ADI
567    
568    checkpoint50f_post
569    o exf totally restructured
570      - replaced all exf_set_ routines by one generic exf_set_gen.F
571        and made sure it's still differentiable
572      - split exf_getffields.F into new exf_bulkformulae.F
573      - exf_inscal_/exf_outscal_ suffixes consistent with field names
574      - updated adjoint/makefile and relevant verif. accordingly
575    
576    checkpoint50f_pre
577     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
578          + change Evap over land. (update aim.5l_cs output)
579     o added missing .cvsignores and made uniform across expts
580     o changed configuration of tidal_basin_2d expt
581     o added pkg/debug functions for tracing code in fatal crashes
582     o tidied pkg/monitor to use MONITOR_OPTIONS.h
583     o new fn in pkg/monitor to stop model if solution grows too big
584     o removed lots of single quotes from comments
585    
586    checkpoint50e_post
587    o make KPP work with PTRACERS
588     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
589       nearly a copy of kpp_transport_s
590     - there is no analogue to SurfaceTendencyS, so I have to use
591       gPtr(of the surface layer) instead
592    o add a new platform SunFire+mpi (SunFire 15000) to genmake
593    checkpoint50e_pre
594    
595    checkpoint50d_post
596    o change kpp output from multiple-record state files to single-record state
597      files analogous to write_state.F
598    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
599      analogous to the cg2d-related output.
600    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
601      so that writing to internal file fn (with length 512) fails.
602    checkpoint50d_pre
603    
604    checkpoint50c_post
605    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
606    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
607    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
608    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
609    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
610    
611    checkpoint50c_pre
612    Merging from release1_p13:
613    o bug fix for pkg/seaice dynamic solver
614    o Added SEAICE_initialHEFF to pkg/seaice
615    
616    checkpoint50b_post
617    o store u*,v* in gU,V instead of in guNm1,gvNm1
618    o in order to put the momForcing out of the Adams-Bashforth:
619      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
620      to timestep.F
621    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
622    o re-generate output for highly sensitive test-exp:
623       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
624    
625    checkpoint50b_pre
626    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
627    o corrected CPP option mismatch in exf_Bulk... functions for case
628      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
629    
630    checkpoint50a_post
631    o Bug fix for merging between c50 and KPP.
632      ikey was passed from thermodynamics to kpp_calc via
633      common block rather than being recomputed in kpp_calc,
634      in contradiction with new key itdkey.
635      New key ikppkey created, and tamc.h headers updated.
636    
637    checkpoint50
638    - 2nd step of merge with ecco-branch:
639      merge changes in ecco-branch back into main trunk
640    - bug fix in find_alpha
641    - more storing in gmredi_calc_tensor.F, kpp_routines.F
642    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
643    - merged some sliced AD support routines
644    
645  checkpoint49  checkpoint49
646    merged from ecco-branch:
647    o exf:
648      - Enable initialisation of forcing fields to constant
649        (runtime) values.
650      - in exf_getffields.F
651        Reduce i-/j-loop to interior domain, discarding overlaps.
652        That also fixes wrong TAF-key computations for key_1, key_2
653        with bulf formulae.
654      - exf_init.F modify #ifdef for exf_init_evap
655      - exf_getffieldrec.F, ctrl_getrec.F
656        The following INT-usages are not safe:
657          fldsecs  = int(fldsecs/fldperiod)*fldperiod
658          fldcount = int(fldsecs/fldperiod) + 1
659        and were modified.
660    o autodiff: checkpoint_lev...
661      - updated storing for bulk formulae (some arrays were missing)
662      - added state for seaice package
663      - synchronized with main branch
664    o DIVA:
665      Modif.s in
666      - the_main_loop.F
667      - the_model_main.F
668      and added cost_final_restore.F cost_final_store.F
669      o With these changes, it is possible to fully separate
670        the first forward run to compute the cost function (mdthe_main_loop)
671        and adjoint runs over individual DIVA intervals (adthe_main_loop)
672        into separate model executions.
673        This enables better tuning of DIVA to given queue sizes.
674      o Loss of cost function value in consecutive DIVA runs is
675        fixed by storing to 'costfinal' file.
676      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
677        beginning/end of adjoint integration is accounted for.
678      The current changes apply to TAF-1.4.26.
679      TAF has one remaining bug, requiring one manual change
680      (see MITgcm manual).
681    o cal: synchronized between MAIN and ecco-branch
682    
683    checkpoint48i_post
684  o Changes to restore differentiability of code w.r.t. previous tag  o Changes to restore differentiability of code w.r.t. previous tag
685    (mostly adding new routines to make list and replacing    (mostly adding new routines to make list and replacing
686    pressure by totPhiHyd).    pressure by totPhiHyd).

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