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revision 1.123 by jmc, Fri Jan 24 17:55:25 2003 UTC revision 1.281 by mlosch, Mon Apr 19 23:25:15 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 small fixes in the cal-package:
7      - set reference date to first of January for the 'model'-calendar
8      - failing of cal_CheckDate in cal_FullDate now actually results in a
9        warning
10    o small modifications in exf-package to increase flexibility:
11      - change climtempfreeze from a constant to a runtime parameter that
12        is specified in data.exf_clim (default = -1.9)
13      - introduce runtime parameter windstressmax (default = 2.0) that is
14        specified in data.exf
15    o fix in pkg/thsice:
16      - update Evap (Tsf changes) to be consistent with Latent heat flux
17      - maintain snow precipitation unchanged (even if Tsf >=0).
18     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
19    
20    checkpoint52m_post
21    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
22      this does not change any of the results, because myIter=0 in swfrac always
23      lead to jwtype=2 (the default anyway), but the call makes little sense
24      as a default
25    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
26    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
27      atmospheric model (AIM) to use it ; add a "slab ocean" component.
28    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
29    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
30    o extending useSingleCpuIO option to work with new exch2 I/O format
31      - old-style, missing-tile I/O is still accessible by defining CPP
32        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
33    o monitor package can write to NetCDF files and/or STDOUT
34    o fix re-definition bug in MNC_GRID_INIT_ALL()
35    o doc/api_reference added
36      - a framework for building an API Reference Manual using all
37        the "protex" comments embedded in the code
38      - see pkg/generic_advdiff, pkg/mnc for examples
39    o MNC:
40      - make myThid the last argument for all subroutines
41      - new default for the grid files: NO halos
42      - add useMNC and other run-time flags
43      - separate per-file-group handling of the unlimited dimension
44      - early initialization of MNC w/ flags read at the eeboot stage
45        and lookup tables set in initialize_fixed
46      - write all MNC output to a freshly-created directory
47    o thermodynamics sea-ice (thsice) is now tested with testreport.
48    o test exp. advect_cs: use the standard cs32 grid ; update output.
49    o Added functionality to grdchk:
50      pick global i,j,k position (or nearest wet) where to perform check.
51    
52    checkpoint52l_post
53    o new land formulation:
54      a) use ground enthalpy as prognostic variable to ensure exact
55         energy conservation.
56      b) account for water temperature and for latent heat of freezing
57         in all processes (rain, run-off, ground storage)
58      c) compute surface and ground temperature implicitly.
59    o aim_v23 modification for new land model:
60      a) Treat separately land / ocean / sea-ice surface fluxes
61         to allow implicit computation of land & sea-ice surface temp.
62      b) add snow precipitation.
63    checkpoint52l_pre
64    
65    o fix problem (when 1 tile is empty) in min/max monitor.
66    o fix bug in timeAve (u,vZetatave in common block)
67    o no restoring terms under ice for pkg/seaice
68    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
69    o bug fix for pkg/seaice pickups
70    o change MNC call locations and add coordinate attributes
71    o mask vorticity at the corner ; affects global_ocean.cs output
72    o fix ini_curvilinear_grid ; test CS experiments with mpi
73    o aim.5l_cs: modify sea-ice fraction input file ; update output
74    o exf: Adding simple range check routine for exf fields after read
75    
76    checkpoint52k_post
77    o removed top-level directory "diags"
78      - we migrated these functions to pkg/timeave a long time ago
79    o fixed bug introduced in pkg/monitor
80    o accuracy ctrlprec = 32 insuffient for gradient checks using
81      averaged fields (I/O via cost_averages)
82      -> use ctrl.h in active_file*.F to control I/O precision.
83    o paramter list of CALL ADTHE_MAIN_LOOP
84    o added initial do_the_model_io to ecco
85    o set all ...Freq to zero after cost_final
86      taveFreq, dumpFreq, pChkptFreq
87    o MAIN and ECCO differentiability restored
88    
89    checkpoint52j_post
90    o fix nchklev in tamc.h for global_ocean...
91    o Bringing flow and store directives up-to-date
92    o Really weird thing!
93      call do_the_model_io from the_main_loop with parameters
94      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
95      TAF places a faulty re-call of initialise_varia
96      after cost_final call which should not be there!
97    checkpoint52j_pre
98    
99    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
100      error messages
101    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
102    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
103      debug output
104    o modfied mdsio_writefield.F to handle non-global files under exch2
105    o update AIM Cubed-Sphere exp (aim.5l_cs):
106      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
107    o update AIM Equatorial Channel exp:
108      use standard aim_v23 pkg and change the SST fields to be more realistic.
109    o globalFile now works with exch2
110    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
111      mon_vort3.F to make exch2 friendly with >1 tile per cube face
112    o limit timeave output for hi-res integrations
113    
114    checkpoint52i_post
115    o removed CPP_EEOPTIONS.h from verification/*/code
116    o updated the tiling for global_ocean_pressure
117    checkpoint52i_pre
118    
119    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
120      the old pkg/aim).
121    
122    checkpoint52h_pre
123    o shortened offending lines in exch2_send_rx?.template
124    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
125    o genmake2: add build & execute test for NetCDF code
126    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
127      old grid files, moved CPP_EEMACROS.h to pkg/exch2
128    o added useSingleCPUIO flag to monitor.F and mon_out.F
129    o added temporary hack for sea-ice dynamics on the cube:
130      metric terms are ignored and it is assumed that
131      there is no sea-ice on cube faces 1, 2, 4, and 5.
132    
133    checkpoint52f_post
134    o added exch2 cube routines to pkg/exch2
135    o modified hs94.cs-32x32x5 to use it
136    o added new grid files to hs94.cs-32x32x5
137    checkpoint52f_pre
138    
139    checkpoint52e_post
140    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
141      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
142    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
143      to work with implicit vertical advection and AB ;
144    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
145    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
146     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
147    checkpoint52e_pre
148    
149    o fix bug in impldiff when Nr=1 or Nr=2.
150    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
151    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
152    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
153      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
154    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
155    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
156    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
157    
158    checkpoint52d_post
159    o re-tiled many expts to allow comparison in multi-processor mode
160      - updated output accordingly
161      - changed hs94.128x64x5 to use intial T from file rather than use the
162        random number generator
163    o add infrastructure in model routines for fizhi and gridalt packages
164    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
165    o changes to permit hi-res, cubed-sphere, configuration
166      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
167      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
168      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
169        of surface winds for the cube
170      (A verification experiment, based on global_ocean.cs32x15, but with
171       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
172       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
173       complete with example surface forcing files and matlab scripts to look
174       at the output and compare it with that of global_ocean.cs32x15.)
175    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
176       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
177       to conform to the common rule.
178    o check-in the first version of the coupler + interfaces for multi-components
179       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
180       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
181       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
182       - ocean and atmos. share the same horizontal grid (no interpolation).
183       - exchanges between component and coupler is done in forward_step
184    o new verification experiment, cpl_aim+ocn:
185       coupled ocean - AIM atmosphere on cs32 grid.
186    
187    checkpoint52d_pre
188    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
189    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
190    
191    checkpoint52c_post
192    o Fixing OPTIONS files for use of exf:
193      - ALLOW_ECCO not needed
194      - ECCO_CPPOPTIONS.h should not be included from
195        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
196        as has been the case in the past
197      - All cal/exf related options are currently set in
198        single header file. Should remain so until we
199        agree on a consistent new policy.
200    o Removed all CPP options for cal package.
201      cal has no more CPP options.
202    o modified STOREs in GAD_ADVECTION
203    o corrected key comp. for passkey
204    
205    checkpoint52b_post
206    o new version: "thsice" of thermodynamic sea-ice pkg:
207     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
208     - modify fluxes but do not change theta directly;
209     - light cleaning of bulk_force pkg (still needed with thsice).
210     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
211       + output_thsice.txt to test thsice & bulk_force pkgs.
212    o put back grid & coriolis monitor output.
213    checkpoint52b_pre
214    
215    o call "do_the_model_io" at the beginning (=> dump initial state)
216    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
217    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
218      (need info on NUMBER_OF_PTRACERS)
219    o missing PTRACERS headers in some routines
220    o default tamc.h in pkg/autodiff supposed to crash
221      to ensure proper customization
222    
223    checkpoint52a_post
224    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
225      - moved surfaceTendencyTice from pkg/seaice to main code
226      - subroutine FREEZE_SURFACE now limits only surface temperature
227        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
228        => new output.txt for global_ocean.cs32x15 & global_with_exf
229      - keep the old version of FREEZE for backward compatibility;
230        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
231      - corresponding modifs for TAF directives
232    o added surface flux output variables to TIMEAVE_STATVARS
233    o time-averaged output for pkg/ptracers
234    o fix problem with ECCO-related divided adjoint
235      snapshot file was missing some ad-variables,
236      but no warning issued by TAF
237    
238    checkpoint52a_pre
239    o some bug fixes for #undef REAL4_IS_SLOW
240    
241    checkpoint52 = ecco_c52_e35
242    o after testing adjoints of checkpoint51u_post
243    
244    checkpoint51u_post
245    o this is the post-merge tag of the ecco-branch
246      (needs another clean checkout and re-testing)
247    o various natl_box_adjoint configs and results
248      but no input fields
249    o obcs adjoint not yet merged!
250    o adding ECCO global 1x1 and 2x2 degree configs
251    o updated/extended some store directives for seaice
252    o pkg/ecco now containes ecco-specific part of cost function
253    o top level routines the_main_loop, forward_step
254      supersede those in model/src/
255      previous input data.cost now in data.ecco
256      (new namelist ecco_cost_nml)
257    o in ctrl/ cleaned some cross-dependencies and updated CPP options
258    
259    checkpoint51t_post
260    o this is the pre-merge tag of the ecco-branch
261    
262    checkpoint51s_post
263    o cleanup: removed various obsolete #define-s
264    o pkg/grdchk
265      - renamed 'ph-grd 3' to 'grad-res'
266      - merged from ecco-branch
267        (remaining bug fixes for obcs gradient checks)
268      - additional high-precision output for testreport
269        (grep for 'precision_grdchk_result')
270    
271    checkpoint51r_post
272    o cleaned up or removed CPP_OPTIONS.h files
273    o updated results for some of the tests to reflect the new
274      optfiles (-ieee: -O0 instead of -O3)
275    
276    checkpoint51q_post
277    o cd_code:
278      - moved cd_scheme.F -> cd_code_scheme.F
279      - separate read_checkpoint from cd_code_ini_vars.F
280      - separated cd_code part from write_checkpoint
281      - updated AD_SOURCE, generated .flow
282      - added CD_CODE_VARS.h to the_main_loop
283      - Moving cd_code specific store dir.s to pkg/cd_code
284    o ctrl package totally restructured
285      - pack/unpack now optional and decoupled from
286        xx_/adxx_ I/O
287      - ctrl_pack/unpack cleaned
288        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
289      - confined inclusion of AD_CONFIG.h to where necessary.
290    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
291    
292    checkpoint51p_post
293    o create initial cd_code package
294      - WARNING: the initialization of fields within packages
295        is broken because INI_FIELDS (where READ_CHECKPOINT is
296        called) is called *before* PACKAGES_INIT_VARIABLES.
297        This seems to be backwards since
298        1) its important to initially zero the entire field including
299           the "halo" region
300        2) zeroing needs to be done *before* reading pickup info
301           and the pickup call might or might not happen in any
302           particular run
303      - this needs an overhaul for R2
304    o cleanup verification/*/code/GMREDI_OPTIONS.h
305    o cleanup testreport
306    
307    checkpoint51o_post
308    o bringing AD-related verif's up to date with genmake2
309      - carbon/
310      - global_ocean.90x40x15/
311      - hs.94.1x64x5/
312      - (front_relax/ )
313    o (more) consistent directory structure for AD-related verif.'s
314    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
315    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
316    o bug fix in find_alpha.F for MDJWF:
317      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
318        change rho -> rho-rhoConst
319      - replace call find_rho to find_rhonum
320    o initialisation of rFlx extended to full array (required by TAF)
321      and shifted to thermodynamics
322    o removed PTRACERS.h in ptracers routine
323    o added surfacetendencyPtr to S/R parameter list pracers_forcing
324    o Correcting initialisations for fVerU, fVerV.
325    o helping TAF to recognize dependency on kUp for
326      fVerU, fVerV
327    o Replacing delZ by delR in pkg/ctrl/
328    checkpoint51o_pre
329    
330    o undid all of cp51 pending some cleanups and discussion
331    o added the [#include "AD_CONFIG.h"] statement to all files that need
332       it for adjoint/tl #defines
333     o re-worked the build logic in genmake2 to support AD_CONFIG.h
334     o removed tools/genmake since it no longer works
335    
336    checkpoint51n_post
337    o modifications to make FREEZE flux visible to pkg/kpp
338      - moved surfaceTendencyTice from pkg/seaice to main code
339      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
340      - subroutine FREEZE now limits only surface temperature
341        (this means new output.txt for global_ocean.90x40x15,
342         global_ocean.cs32x15, and global_with_exf)
343    o added surface flux output variables to TIMEAVE_STATVARS
344    
345    checkpoint51n_pre
346    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
347    o added [#include "AD_CONFIG.h"] to all files that use the following
348      defines:
349      - ALLOW_ADJOINT_RUN
350      - ALLOW_TANGENTLINEAR_RUN
351      - ALLOW_ECCO_OPTIMIZATION
352    
353    checkpoint51m_post
354    o incorporating changes to get TAMC/TAF working in genmake2
355      - added new TAMC/TAF targets to the Makefile
356      - various cleanups related to package handling
357      - these changes should have no impact on the forward model
358    
359    checkpoint51l_post
360    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
361     - faster algorithm for cal_addtime.F
362     - higher precision arithmetic, where needed
363     - pkg/exf *startdate variables changed from calendar date to
364       model integration time
365    
366    checkpoint51l_pre
367    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
368    o enable to apply restoring on S & T only in a latitude band.
369    o update output (external_forcing_surf modif. change truncation errors)
370       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
371    
372    checkpoint51k_post
373    o change default to: useNHMTerms=.FALSE.
374     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
375       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
376     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
377        exp1, ideal_2D_oce
378     - change data file of oceanic exp (leave the results unchanged for now)
379       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
380    o set gravitySign automatically according to the vertical coordinate used
381      (and change sign: back to "logical" value: +1 when R increases downward)
382    o added an include barrier to the default CPP_OPTIONS.h and
383      removed the #include "PACKAGES_CONFIG.h" from it
384    o fix a bug in mom_fluxform (from chk51j_post)
385    
386    checkpoint51j_post
387    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
388    o adjusted some flow directives (dynamics, thermodynamics)
389    o added cubed-sphere case to test cost function
390    o heckpoint_lev?_directives.h now include
391      pkg-specific directives, whenever those are enabled.
392    o Moving pkg-specific flow directives to corresponding pkg
393      Moving pkg-specific differentiation list to corresponding pkg
394      Moving pkg-specific checkpoint-lev storing to corresponding pkg
395      ---> conventions are
396           - pkg_ad.flow
397           - pkg_ad_diff.list
398           - pkg_ad_check_lev?_dir.h
399    
400    checkpoint51i_post
401    o merge of the branch-genmake2
402      - knowingly breaks the older genmake
403      - automatic generation of all ALLOW_${PKG_NAME} defines
404      - new testreport supersedes older testscript
405    o large number of package inclusion and header cleanups
406    checkpoint51i_pre
407    
408    o new output for adjoin of global ocean vector invariant
409    o fix for checkpoint of thermodynamic seaice and bulk_force
410    o Steph gchem various cleanups
411    
412    checkpoint 51h_pre
413    o fixed some single quotes
414    o modify gchem pkg to be more versatile
415    o modifications to clean up dic pkg
416    o add pkg/cfc
417    
418    checkpoint51g_post
419    o provide links for ARPACK and ADM*TLM
420    o start removing verification/vero/
421    o update AD-related stuff
422      (in particular some IF-statements in model/src/ routines)
423    o adding to verification/global_ocean.90x40x15/ adjoint of
424      vector invariant setup
425    
426    checkpoint51f_post
427    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
428    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
429      of tracer Green's fucntions for ocean inversion project.
430    
431    checkpoint51f_pre
432    o Added on-the-fly spatial interpolation capability
433        "USE_EXF_INTERPOLATION" to pkg/exf.
434      - This is a temporary Cartesian-grid hack until
435        the super-duper ESMF coupler becomes available.
436      - See verification/global_with_exf/README for usage example.
437      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
438        flags and modified pkg/seaice accordingly.
439    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
440        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
441        non-local transport term.
442    
443    checkpoint51e_post
444    o pkg/mom_vecinv:
445      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
446      - add time-ave diagnostic of vorticity advection.
447    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
448    o atmospheric geopotential: - include water vapor effect;
449                                - use p^kappa in p* scaling.
450    o land pkg: read initial state from files.
451    o AIM : add stratospheric drag in the upper level
452    
453    checkpoint51d_post
454    o change function ILNBLNK (=> last non-blank char.) to return zero
455      (instead of the string length) when the string. char is empty
456    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
457    o modif's to restore TAMC compatibility
458      - avoid "_d" constructs in PARAMETER declarations
459      - avoid interrupting lines by comment lines
460    o Use cluster local disks for purely local I/O
461      vs. globally visible disks needed for ctrl stuff
462      (merged from ecco-branch)
463      - new active_file_loc... and mdsio_..._loc routines
464      - affected packages: autodiff, ctrl, grdchk, mdsio
465    
466    checkpoint51c_post
467    o introducing integer flag debugLevel
468      - debLevZero: suppress all output
469      - debLevA: standard
470      - debLevB: equivalent to current debugMode=.TRUE.
471    o introducing pathname variable mdsioLocalDir for mdsio
472      that can be specified at runtime
473      (relevant for cluster I/O to local disk)
474    `
475    >>>checkpoint51b_post
476    adjoint of ptracers
477    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
478    o extended state in checkpoint_lev?, etc.
479    o alternative ctrl/cost with tr1 or ptracer
480    o new comlev1_bibj_ptracers
481    o new ptracers.flow
482    o made ptracers_forcing same as external_forcing_s
483    o added verification for adjoint with ptracers
484      - adm. grdchk fail so far
485      - tlm. grdchk OK
486      - checked tapelev/comlev recomputations: OK
487    <<<checkpoint51b_pre
488    
489    checkpoint51a_post
490    o added code for biogeochemistry package
491      - new pkgs: dic, gchem
492      - new subroutine in ptracers
493    o modify code for biogeo packages
494      - in model/src and pkg/ptracers
495    
496    checkpoint51
497    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
498      - autodiff, ctrl, exf, grdchk, seaice
499      kept separate packages
500      - cost, ecco, obcs
501    o updating verification/internal_wave, verification/lab_sea
502      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
503    
504    checkpoint50i_post
505    o Preparing next differentiable checkpoint and sync
506      of MAIN vs. ecco-branch
507      - 1st step: this one is differentiable
508      - 2nd step: next(! not this) checkpoint will have updated packages
509                  from ecco-branch)
510    
511    checkpoint50h_post
512    o new package "land": provide surface BC for AIM.
513    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
514    o AIM: use true log-P extrapolation for near surface temp (= as in
515        F.Molteni paper) ; update aim.5l_cs output.
516    o New variable in PARM03 for more flexible pickups
517    o somewhat cleaned package initialisation sequence for
518      ctrl/ cost/ ecco/ in packages_... routines
519    
520    checkpoint50g_post
521    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
522      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
523      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
524        made the default because of faster convergence than ADI
525    
526    checkpoint50f_post
527    o exf totally restructured
528      - replaced all exf_set_ routines by one generic exf_set_gen.F
529        and made sure it's still differentiable
530      - split exf_getffields.F into new exf_bulkformulae.F
531      - exf_inscal_/exf_outscal_ suffixes consistent with field names
532      - updated adjoint/makefile and relevant verif. accordingly
533    
534    checkpoint50f_pre
535     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
536          + change Evap over land. (update aim.5l_cs output)
537     o added missing .cvsignores and made uniform across expts
538     o changed configuration of tidal_basin_2d expt
539     o added pkg/debug functions for tracing code in fatal crashes
540     o tidied pkg/monitor to use MONITOR_OPTIONS.h
541     o new fn in pkg/monitor to stop model if solution grows too big
542     o removed lots of single quotes from comments
543    
544    checkpoint50e_post
545    o make KPP work with PTRACERS
546     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
547       nearly a copy of kpp_transport_s
548     - there is no analogue to SurfaceTendencyS, so I have to use
549       gPtr(of the surface layer) instead
550    o add a new platform SunFire+mpi (SunFire 15000) to genmake
551    checkpoint50e_pre
552    
553    checkpoint50d_post
554    o change kpp output from multiple-record state files to single-record state
555      files analogous to write_state.F
556    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
557      analogous to the cg2d-related output.
558    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
559      so that writing to internal file fn (with length 512) fails.
560    checkpoint50d_pre
561    
562    checkpoint50c_post
563    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
564    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
565    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
566    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
567    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
568    
569    checkpoint50c_pre
570    Merging from release1_p13:
571    o bug fix for pkg/seaice dynamic solver
572    o Added SEAICE_initialHEFF to pkg/seaice
573    
574    checkpoint50b_post
575    o store u*,v* in gU,V instead of in guNm1,gvNm1
576    o in order to put the momForcing out of the Adams-Bashforth:
577      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
578      to timestep.F
579    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
580    o re-generate output for highly sensitive test-exp:
581       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
582    
583    checkpoint50b_pre
584    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
585    o corrected CPP option mismatch in exf_Bulk... functions for case
586      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
587    
588    checkpoint50a_post
589    o Bug fix for merging between c50 and KPP.
590      ikey was passed from thermodynamics to kpp_calc via
591      common block rather than being recomputed in kpp_calc,
592      in contradiction with new key itdkey.
593      New key ikppkey created, and tamc.h headers updated.
594    
595    checkpoint50
596    - 2nd step of merge with ecco-branch:
597      merge changes in ecco-branch back into main trunk
598    - bug fix in find_alpha
599    - more storing in gmredi_calc_tensor.F, kpp_routines.F
600    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
601    - merged some sliced AD support routines
602    
603    checkpoint49
604    merged from ecco-branch:
605    o exf:
606      - Enable initialisation of forcing fields to constant
607        (runtime) values.
608      - in exf_getffields.F
609        Reduce i-/j-loop to interior domain, discarding overlaps.
610        That also fixes wrong TAF-key computations for key_1, key_2
611        with bulf formulae.
612      - exf_init.F modify #ifdef for exf_init_evap
613      - exf_getffieldrec.F, ctrl_getrec.F
614        The following INT-usages are not safe:
615          fldsecs  = int(fldsecs/fldperiod)*fldperiod
616          fldcount = int(fldsecs/fldperiod) + 1
617        and were modified.
618    o autodiff: checkpoint_lev...
619      - updated storing for bulk formulae (some arrays were missing)
620      - added state for seaice package
621      - synchronized with main branch
622    o DIVA:
623      Modif.s in
624      - the_main_loop.F
625      - the_model_main.F
626      and added cost_final_restore.F cost_final_store.F
627      o With these changes, it is possible to fully separate
628        the first forward run to compute the cost function (mdthe_main_loop)
629        and adjoint runs over individual DIVA intervals (adthe_main_loop)
630        into separate model executions.
631        This enables better tuning of DIVA to given queue sizes.
632      o Loss of cost function value in consecutive DIVA runs is
633        fixed by storing to 'costfinal' file.
634      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
635        beginning/end of adjoint integration is accounted for.
636      The current changes apply to TAF-1.4.26.
637      TAF has one remaining bug, requiring one manual change
638      (see MITgcm manual).
639    o cal: synchronized between MAIN and ecco-branch
640    
641    checkpoint48i_post
642    o Changes to restore differentiability of code w.r.t. previous tag
643      (mostly adding new routines to make list and replacing
644      pressure by totPhiHyd).
645    o Updated and merged grdchk package
646      - has both ADM and TLM checks
647      - works for single- and multi-proc.
648      - output cleaned
649      - worked successfully for parallel DIVA
650    o genmake:
651      - Adding -platform=SP4
652      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
653    o Modif. for DIVA:
654      ctrl_unpack should not be called in intermediate DIVA interval.
655      (similar thing would apply for active files such as
656      tbar, sbar, psbar, which should not be reinitialised;
657      only relevant for ecco-branch)
658    
659    checkpoint48h_post
660    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
661    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
662    o Added SEAICE_initialHEFF to pkg/seaice
663    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
664    
665    checkpoint48g_post
666    --- EOS:
667    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
668      store total Potential in totPhyHyd for diagnostics & EOS.
669    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
670    --- Pressure/geopotential gradient:
671    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
672    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
673      ( changes results of global_ocean_pressure )
674    o NLFS + z-coord.: add eta*Rho' contribution.
675    o accurate phiHyd when using interface-W at the middle between 2 centers
676     ( changes results of ideal_2D_oce )
677    o includes r* 2nd term in potential gradient.
678    
679    checkpoint48f_post
680    Merging from release1_p12:
681    o Modifications for using pkg/exf with pkg/seaice
682      - improved description of the various forcing configurations
683      - added basic radiation bulk formulae to pkg/exf
684      - units/sign fix for evap computation in exf_getffields.F
685      - updated verification/global_with_exf/results/output.txt
686    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
687      (SBO) core products, including oceanic mass, center-of-mass,
688      angular, and bottom pressure (see pkg/sbo/README.sbo).
689    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
690      to avoid negative values in shallow regions.
691      - updated verification/natl_box/results/output.txt
692      - updated verification/lab_sea/results/output.txt
693    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
694    o Added useSingleCpuIO option (see PARAMS.h).
695    o Updated useSingleCpuIO option in mdsio_writefield.F to
696      work with multi-field files, e.g., for single-file pickup.
697    o pkg/seaice:
698      - bug fix in growth.F: QNET for no shortwave case
699      - added HeffFile for specifying initial sea-ice thickness
700      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
701    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
702      kpp_transport_t.F, forward_step.F, and the_main_loop.F
703    o pkg/seaice:
704      - adjoint-friendly modifications
705      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
706    
707    checkpoint48e_post
708    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
709    o dynamics: change definition of computational domain & adapt mom_fluxform
710      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
711    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
712        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
713        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
714        global_ocean.90x40x15 global_with_exf global_ocean_pressure
715        inverted_barometer solid-body.cs-32x32x1
716      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
717    
718    checkpoint48d_post
719    o in preparation for r*:
720     a) use pre-computed gradient of hydrostatic potential:
721        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
722     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
723        => affects results of glob_oce_pressure (different truncation error)  
724      update output.txt of ideal_2D_oce & global_ocean_pressure
725    
726    checkpoint48d_pre
727    o in preparation for r*:
728      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
729      pass the 2 comp. of the grad. as arguments to momentum S/R.
730      but for the moment, only used if it does not change the results.
731    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
732    
733    checkpoint48c_post
734    Modifications in treatment of initial flux forcing controls
735    to avoid extra storing of flux fields.
736    
737    checkpoint48c_pre
738    o Added tidal_basin_2d experiment (currently 1D!)
739    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
740    
741    checkpoint48b_post
742    o r* coordinate added in #ifdef NONLIN_FRSURF block.
743     (modification to pressure gradient not yet implemented)
744    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
745      (for U & V) that are used for vertical advection of momentum.
746    
747  checkpoint48a_post  checkpoint48a_post
748  o In preparation for r*, use temp. array to compute vertical transport  o In preparation for r*, use temp. array to compute vertical transport
749     in flux-form momentum pkg. => change results of few test-exp.     in flux-form momentum pkg. => change results of few test-exp.

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