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revision 1.137 by jmc, Wed Feb 26 03:29:08 2003 UTC revision 1.318 by heimbach, Fri Jul 2 16:00:06 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6  untagged  checkpoint53g_post
7    o prepare splitting of thermodynamics: store convect.counter in common block
8    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
9      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
10    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
11    o new parameter "nShapS": allow to treat differently S from T (nShapT)
12    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
13    o restore adjointability
14    
15    checkpoint53f_post
16    o modifications that affect AIM experiment results (update output.txt):
17      - no advection of S at top interface Nr (pkg/generic_advdiff)
18      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
19    o AIM pkg:
20      - include stability function into surf.Flux derivative relative to Tsurf
21      - calculate clear-sky radiation & surface temp. change (for diagnostics)
22    
23    checkpoint53e_post
24    o merged cylindrical coord configuration
25    o added rotating_tank experiment
26    checkpoint53e_pre
27    
28    checkpoint53d_post
29    o faulks upgraded: re-generate output.txt that have changed:
30       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
31    o Added Bryan and Lewis, 1979, vertical diffusivity profile
32    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
33    o added Sadourny discretization of Coriolis
34      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
35      - re-enabled use of omega3 (useAbsVorticity)
36    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
37      vector-invariant equations
38      - note: does *NOT* yet use same variable visc. for no-slip BC's.
39    o recoded the lateral boundary conditions for non-hydrostatic w, this time
40      hopefully without new bugs
41      - still to do: biharmonic friction for non-hydrostatic w
42    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
43    o regenerated output for global_ocean_ebm (using -ieee)
44    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
45      of mom_common/
46      - simple re-arrangement of instructions within computing loop
47    checkpoint53d_pre
48    
49    checkpoint53c_post
50    o new version of coupler for AIM+thSIce and Ocean models
51     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
52     - land: change Evaporation of snow
53     - aim with thSIce: fix bug in snow-precip.
54    o changes to calc_gw.F
55     - bug fix for w^2 term near the bottom boundary
56     - (hopefully) improve the lateral slip boundary condtions for use with
57        partial/looped cells
58      - because the bug fix changes two verification experiments anyway (exp5
59        and plume on slope), change the lateral boundary condition from half slip
60        to the value of no_slip_sides
61    o ebm package wasnt quite up to the parallel task. Fixed that.
62    o Adjoint of EBM package + verification
63      * TLM OK
64      * ADM not sufficient accuracy yet (needs further testing)
65    
66    checkpoint53b_post
67    o Commiting new energy balance model to repository
68      * package is pkg/ebm
69      * verif. is verification/global_ocean_ebm
70      * references are in ebm_driver.F
71    C      * X. Wang, P. Stone and J. Marotzke, 1999:
72    C        Global thermohaline circulation. Part I:
73    C        Sensitivity to atmospheric moisture transport.
74    C        J. Climate 12(1), 71-82
75    C      * X. Wang, P. Stone and J. Marotzke, 1999:
76    C        Global thermohaline circulation. Part II:
77    C        Sensitivity with interactive transport.
78    C        J. Climate 12(1), 83-91
79    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
80    C        Destabilization of the thermohaline circulation
81    C        by atmospheric eddy transports.
82    C        J. Climate 7(12), 1870-1882
83    o Will need long integration testing.
84    checkpoint53b_pre
85    
86    o created pkg/mom_common in preparation for variable viscosity code
87    o renamed and split ini_mnc_io
88    o pkg/land: only liquid water can diffuse or run-off
89    o AIM using land: soil wetness availability account for snow
90    o added printMapIncludesZeros to EEPARMS namelist
91    
92    checkpoint53a_post
93    o restore TAMC compatiility for exf_constants.h
94      (no usage of _d in .h)
95    o Additional storing in KPP in an attempt to fix
96      TAMC problem with adjoint of KPP code.
97      (no success...)
98      Identical code works fine with TAF.
99    o Fixed verification/natl_box_adjoint experiments.
100      Initial conditions for Experiments 4 and 5 are now
101      set to "SEAICE_initialHEFF=0", which is more reasonable,
102      and hence gives results closer to that of Experiment 2.
103      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
104    
105    checkpoint53
106    o stable checkpoint with up to date adjoint
107      TLM tests only run for 1st grdchk at the moment. Its unclear if
108      this is a code problem or a problem with resetting code for g_
109      variables that is being autogenerated wrong.
110      Otherwise:
111       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
112       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
113         are both still in chaos following their security messes.
114    
115    checkpoint52n_post
116    o various build (mostly genmake2) changes including:
117      - ability to build/run more easily within Cygwin and MacOS X
118      - more complicated Makefiles with a stronger dependence on Gnu Make
119    o pkg/seaice modifications
120      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
121        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
122        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
123      - changed proxy for geostrophic velocity and updated
124        verification/lab_sea/results/* accordingly
125      - removed ADI dynamic solver from pkg/seaice
126      - replaced all occurrences of 1/CSTICE or 1/CSUICE
127        they caused a segmentation fault under certain circumstances
128      - removed unused field WATR
129    o bug fix in exf-package:
130      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
131         now reflect that.
132    o small fixes in the cal-package:
133      - set reference date to first of January for the 'model'-calendar
134      - failing of cal_CheckDate in cal_FullDate now actually results in a
135        warning
136    o small modifications in exf-package to increase flexibility:
137      - change climtempfreeze from a constant to a runtime parameter that
138        is specified in data.exf_clim (default = -1.9)
139      - introduce runtime parameter windstressmax (default = 2.0) that is
140        specified in data.exf
141    o fix in pkg/thsice:
142      - update Evap (Tsf changes) to be consistent with Latent heat flux
143      - maintain snow precipitation unchanged (even if Tsf >=0).
144     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
145    
146    checkpoint52m_post
147    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
148      this does not change any of the results, because myIter=0 in swfrac always
149      lead to jwtype=2 (the default anyway), but the call makes little sense
150      as a default
151    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
152    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
153      atmospheric model (AIM) to use it ; add a "slab ocean" component.
154    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
155    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
156    o extending useSingleCpuIO option to work with new exch2 I/O format
157      - old-style, missing-tile I/O is still accessible by defining CPP
158        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
159    o monitor package can write to NetCDF files and/or STDOUT
160    o fix re-definition bug in MNC_GRID_INIT_ALL()
161    o doc/api_reference added
162      - a framework for building an API Reference Manual using all
163        the "protex" comments embedded in the code
164      - see pkg/generic_advdiff, pkg/mnc for examples
165    o MNC:
166      - make myThid the last argument for all subroutines
167      - new default for the grid files: NO halos
168      - add useMNC and other run-time flags
169      - separate per-file-group handling of the unlimited dimension
170      - early initialization of MNC w/ flags read at the eeboot stage
171        and lookup tables set in initialize_fixed
172      - write all MNC output to a freshly-created directory
173    o thermodynamics sea-ice (thsice) is now tested with testreport.
174    o test exp. advect_cs: use the standard cs32 grid ; update output.
175    o Added functionality to grdchk:
176      pick global i,j,k position (or nearest wet) where to perform check.
177    
178    checkpoint52l_post
179    o new land formulation:
180      a) use ground enthalpy as prognostic variable to ensure exact
181         energy conservation.
182      b) account for water temperature and for latent heat of freezing
183         in all processes (rain, run-off, ground storage)
184      c) compute surface and ground temperature implicitly.
185    o aim_v23 modification for new land model:
186      a) Treat separately land / ocean / sea-ice surface fluxes
187         to allow implicit computation of land & sea-ice surface temp.
188      b) add snow precipitation.
189    checkpoint52l_pre
190    
191    o fix problem (when 1 tile is empty) in min/max monitor.
192    o fix bug in timeAve (u,vZetatave in common block)
193    o no restoring terms under ice for pkg/seaice
194    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
195    o bug fix for pkg/seaice pickups
196    o change MNC call locations and add coordinate attributes
197    o mask vorticity at the corner ; affects global_ocean.cs output
198    o fix ini_curvilinear_grid ; test CS experiments with mpi
199    o aim.5l_cs: modify sea-ice fraction input file ; update output
200    o exf: Adding simple range check routine for exf fields after read
201    
202    checkpoint52k_post
203    o removed top-level directory "diags"
204      - we migrated these functions to pkg/timeave a long time ago
205    o fixed bug introduced in pkg/monitor
206    o accuracy ctrlprec = 32 insuffient for gradient checks using
207      averaged fields (I/O via cost_averages)
208      -> use ctrl.h in active_file*.F to control I/O precision.
209    o paramter list of CALL ADTHE_MAIN_LOOP
210    o added initial do_the_model_io to ecco
211    o set all ...Freq to zero after cost_final
212      taveFreq, dumpFreq, pChkptFreq
213    o MAIN and ECCO differentiability restored
214    
215    checkpoint52j_post
216    o fix nchklev in tamc.h for global_ocean...
217    o Bringing flow and store directives up-to-date
218    o Really weird thing!
219      call do_the_model_io from the_main_loop with parameters
220      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
221      TAF places a faulty re-call of initialise_varia
222      after cost_final call which should not be there!
223    checkpoint52j_pre
224    
225    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
226      error messages
227    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
228    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
229      debug output
230    o modfied mdsio_writefield.F to handle non-global files under exch2
231    o update AIM Cubed-Sphere exp (aim.5l_cs):
232      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
233    o update AIM Equatorial Channel exp:
234      use standard aim_v23 pkg and change the SST fields to be more realistic.
235    o globalFile now works with exch2
236    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
237      mon_vort3.F to make exch2 friendly with >1 tile per cube face
238    o limit timeave output for hi-res integrations
239    
240    checkpoint52i_post
241    o removed CPP_EEOPTIONS.h from verification/*/code
242    o updated the tiling for global_ocean_pressure
243    checkpoint52i_pre
244    
245    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
246      the old pkg/aim).
247    
248    checkpoint52h_pre
249    o shortened offending lines in exch2_send_rx?.template
250    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
251    o genmake2: add build & execute test for NetCDF code
252    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
253      old grid files, moved CPP_EEMACROS.h to pkg/exch2
254    o added useSingleCPUIO flag to monitor.F and mon_out.F
255    o added temporary hack for sea-ice dynamics on the cube:
256      metric terms are ignored and it is assumed that
257      there is no sea-ice on cube faces 1, 2, 4, and 5.
258    
259    checkpoint52f_post
260    o added exch2 cube routines to pkg/exch2
261    o modified hs94.cs-32x32x5 to use it
262    o added new grid files to hs94.cs-32x32x5
263    checkpoint52f_pre
264    
265    checkpoint52e_post
266    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
267      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
268    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
269      to work with implicit vertical advection and AB ;
270    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
271    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
272     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
273    checkpoint52e_pre
274    
275    o fix bug in impldiff when Nr=1 or Nr=2.
276    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
277    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
278    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
279      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
280    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
281    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
282    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
283    
284    checkpoint52d_post
285    o re-tiled many expts to allow comparison in multi-processor mode
286      - updated output accordingly
287      - changed hs94.128x64x5 to use intial T from file rather than use the
288        random number generator
289    o add infrastructure in model routines for fizhi and gridalt packages
290    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
291    o changes to permit hi-res, cubed-sphere, configuration
292      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
293      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
294      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
295        of surface winds for the cube
296      (A verification experiment, based on global_ocean.cs32x15, but with
297       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
298       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
299       complete with example surface forcing files and matlab scripts to look
300       at the output and compare it with that of global_ocean.cs32x15.)
301    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
302       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
303       to conform to the common rule.
304    o check-in the first version of the coupler + interfaces for multi-components
305       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
306       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
307       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
308       - ocean and atmos. share the same horizontal grid (no interpolation).
309       - exchanges between component and coupler is done in forward_step
310    o new verification experiment, cpl_aim+ocn:
311       coupled ocean - AIM atmosphere on cs32 grid.
312    
313    checkpoint52d_pre
314    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
315    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
316    
317    checkpoint52c_post
318    o Fixing OPTIONS files for use of exf:
319      - ALLOW_ECCO not needed
320      - ECCO_CPPOPTIONS.h should not be included from
321        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
322        as has been the case in the past
323      - All cal/exf related options are currently set in
324        single header file. Should remain so until we
325        agree on a consistent new policy.
326    o Removed all CPP options for cal package.
327      cal has no more CPP options.
328    o modified STOREs in GAD_ADVECTION
329    o corrected key comp. for passkey
330    
331    checkpoint52b_post
332    o new version: "thsice" of thermodynamic sea-ice pkg:
333     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
334     - modify fluxes but do not change theta directly;
335     - light cleaning of bulk_force pkg (still needed with thsice).
336     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
337       + output_thsice.txt to test thsice & bulk_force pkgs.
338    o put back grid & coriolis monitor output.
339    checkpoint52b_pre
340    
341    o call "do_the_model_io" at the beginning (=> dump initial state)
342    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
343    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
344      (need info on NUMBER_OF_PTRACERS)
345    o missing PTRACERS headers in some routines
346    o default tamc.h in pkg/autodiff supposed to crash
347      to ensure proper customization
348    
349    checkpoint52a_post
350    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
351      - moved surfaceTendencyTice from pkg/seaice to main code
352      - subroutine FREEZE_SURFACE now limits only surface temperature
353        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
354        => new output.txt for global_ocean.cs32x15 & global_with_exf
355      - keep the old version of FREEZE for backward compatibility;
356        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
357      - corresponding modifs for TAF directives
358    o added surface flux output variables to TIMEAVE_STATVARS
359    o time-averaged output for pkg/ptracers
360    o fix problem with ECCO-related divided adjoint
361      snapshot file was missing some ad-variables,
362      but no warning issued by TAF
363    
364    checkpoint52a_pre
365    o some bug fixes for #undef REAL4_IS_SLOW
366    
367    checkpoint52 = ecco_c52_e35
368    o after testing adjoints of checkpoint51u_post
369    
370    checkpoint51u_post
371    o this is the post-merge tag of the ecco-branch
372      (needs another clean checkout and re-testing)
373    o various natl_box_adjoint configs and results
374      but no input fields
375    o obcs adjoint not yet merged!
376    o adding ECCO global 1x1 and 2x2 degree configs
377    o updated/extended some store directives for seaice
378    o pkg/ecco now containes ecco-specific part of cost function
379    o top level routines the_main_loop, forward_step
380      supersede those in model/src/
381      previous input data.cost now in data.ecco
382      (new namelist ecco_cost_nml)
383    o in ctrl/ cleaned some cross-dependencies and updated CPP options
384    
385    checkpoint51t_post
386    o this is the pre-merge tag of the ecco-branch
387    
388    checkpoint51s_post
389    o cleanup: removed various obsolete #define-s
390    o pkg/grdchk
391      - renamed 'ph-grd 3' to 'grad-res'
392      - merged from ecco-branch
393        (remaining bug fixes for obcs gradient checks)
394      - additional high-precision output for testreport
395        (grep for 'precision_grdchk_result')
396    
397    checkpoint51r_post
398    o cleaned up or removed CPP_OPTIONS.h files
399    o updated results for some of the tests to reflect the new
400      optfiles (-ieee: -O0 instead of -O3)
401    
402    checkpoint51q_post
403    o cd_code:
404      - moved cd_scheme.F -> cd_code_scheme.F
405      - separate read_checkpoint from cd_code_ini_vars.F
406      - separated cd_code part from write_checkpoint
407      - updated AD_SOURCE, generated .flow
408      - added CD_CODE_VARS.h to the_main_loop
409      - Moving cd_code specific store dir.s to pkg/cd_code
410    o ctrl package totally restructured
411      - pack/unpack now optional and decoupled from
412        xx_/adxx_ I/O
413      - ctrl_pack/unpack cleaned
414        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
415      - confined inclusion of AD_CONFIG.h to where necessary.
416    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
417    
418    checkpoint51p_post
419    o create initial cd_code package
420      - WARNING: the initialization of fields within packages
421        is broken because INI_FIELDS (where READ_CHECKPOINT is
422        called) is called *before* PACKAGES_INIT_VARIABLES.
423        This seems to be backwards since
424        1) its important to initially zero the entire field including
425           the "halo" region
426        2) zeroing needs to be done *before* reading pickup info
427           and the pickup call might or might not happen in any
428           particular run
429      - this needs an overhaul for R2
430    o cleanup verification/*/code/GMREDI_OPTIONS.h
431    o cleanup testreport
432    
433    checkpoint51o_post
434    o bringing AD-related verif's up to date with genmake2
435      - carbon/
436      - global_ocean.90x40x15/
437      - hs.94.1x64x5/
438      - (front_relax/ )
439    o (more) consistent directory structure for AD-related verif.'s
440    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
441    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
442    o bug fix in find_alpha.F for MDJWF:
443      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
444        change rho -> rho-rhoConst
445      - replace call find_rho to find_rhonum
446    o initialisation of rFlx extended to full array (required by TAF)
447      and shifted to thermodynamics
448    o removed PTRACERS.h in ptracers routine
449    o added surfacetendencyPtr to S/R parameter list pracers_forcing
450    o Correcting initialisations for fVerU, fVerV.
451    o helping TAF to recognize dependency on kUp for
452      fVerU, fVerV
453    o Replacing delZ by delR in pkg/ctrl/
454    checkpoint51o_pre
455    
456    o undid all of cp51 pending some cleanups and discussion
457    o added the [#include "AD_CONFIG.h"] statement to all files that need
458       it for adjoint/tl #defines
459     o re-worked the build logic in genmake2 to support AD_CONFIG.h
460     o removed tools/genmake since it no longer works
461    
462    checkpoint51n_post
463    o modifications to make FREEZE flux visible to pkg/kpp
464      - moved surfaceTendencyTice from pkg/seaice to main code
465      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
466      - subroutine FREEZE now limits only surface temperature
467        (this means new output.txt for global_ocean.90x40x15,
468         global_ocean.cs32x15, and global_with_exf)
469    o added surface flux output variables to TIMEAVE_STATVARS
470    
471    checkpoint51n_pre
472    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
473    o added [#include "AD_CONFIG.h"] to all files that use the following
474      defines:
475      - ALLOW_ADJOINT_RUN
476      - ALLOW_TANGENTLINEAR_RUN
477      - ALLOW_ECCO_OPTIMIZATION
478    
479    checkpoint51m_post
480    o incorporating changes to get TAMC/TAF working in genmake2
481      - added new TAMC/TAF targets to the Makefile
482      - various cleanups related to package handling
483      - these changes should have no impact on the forward model
484    
485    checkpoint51l_post
486    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
487     - faster algorithm for cal_addtime.F
488     - higher precision arithmetic, where needed
489     - pkg/exf *startdate variables changed from calendar date to
490       model integration time
491    
492    checkpoint51l_pre
493    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
494    o enable to apply restoring on S & T only in a latitude band.
495    o update output (external_forcing_surf modif. change truncation errors)
496       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
497    
498    checkpoint51k_post
499    o change default to: useNHMTerms=.FALSE.
500     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
501       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
502     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
503        exp1, ideal_2D_oce
504     - change data file of oceanic exp (leave the results unchanged for now)
505       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
506    o set gravitySign automatically according to the vertical coordinate used
507      (and change sign: back to "logical" value: +1 when R increases downward)
508    o added an include barrier to the default CPP_OPTIONS.h and
509      removed the #include "PACKAGES_CONFIG.h" from it
510    o fix a bug in mom_fluxform (from chk51j_post)
511    
512    checkpoint51j_post
513    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
514    o adjusted some flow directives (dynamics, thermodynamics)
515    o added cubed-sphere case to test cost function
516    o heckpoint_lev?_directives.h now include
517      pkg-specific directives, whenever those are enabled.
518    o Moving pkg-specific flow directives to corresponding pkg
519      Moving pkg-specific differentiation list to corresponding pkg
520      Moving pkg-specific checkpoint-lev storing to corresponding pkg
521      ---> conventions are
522           - pkg_ad.flow
523           - pkg_ad_diff.list
524           - pkg_ad_check_lev?_dir.h
525    
526    checkpoint51i_post
527    o merge of the branch-genmake2
528      - knowingly breaks the older genmake
529      - automatic generation of all ALLOW_${PKG_NAME} defines
530      - new testreport supersedes older testscript
531    o large number of package inclusion and header cleanups
532    checkpoint51i_pre
533    
534    o new output for adjoin of global ocean vector invariant
535    o fix for checkpoint of thermodynamic seaice and bulk_force
536    o Steph gchem various cleanups
537    
538    checkpoint 51h_pre
539    o fixed some single quotes
540    o modify gchem pkg to be more versatile
541    o modifications to clean up dic pkg
542    o add pkg/cfc
543    
544    checkpoint51g_post
545    o provide links for ARPACK and ADM*TLM
546    o start removing verification/vero/
547    o update AD-related stuff
548      (in particular some IF-statements in model/src/ routines)
549    o adding to verification/global_ocean.90x40x15/ adjoint of
550      vector invariant setup
551    
552    checkpoint51f_post
553    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
554    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
555      of tracer Green's fucntions for ocean inversion project.
556    
557    checkpoint51f_pre
558    o Added on-the-fly spatial interpolation capability
559        "USE_EXF_INTERPOLATION" to pkg/exf.
560      - This is a temporary Cartesian-grid hack until
561        the super-duper ESMF coupler becomes available.
562      - See verification/global_with_exf/README for usage example.
563      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
564        flags and modified pkg/seaice accordingly.
565    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
566        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
567        non-local transport term.
568    
569    checkpoint51e_post
570    o pkg/mom_vecinv:
571      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
572      - add time-ave diagnostic of vorticity advection.
573    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
574    o atmospheric geopotential: - include water vapor effect;
575                                - use p^kappa in p* scaling.
576    o land pkg: read initial state from files.
577    o AIM : add stratospheric drag in the upper level
578    
579    checkpoint51d_post
580    o change function ILNBLNK (=> last non-blank char.) to return zero
581      (instead of the string length) when the string. char is empty
582    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
583    o modif's to restore TAMC compatibility
584      - avoid "_d" constructs in PARAMETER declarations
585      - avoid interrupting lines by comment lines
586    o Use cluster local disks for purely local I/O
587      vs. globally visible disks needed for ctrl stuff
588      (merged from ecco-branch)
589      - new active_file_loc... and mdsio_..._loc routines
590      - affected packages: autodiff, ctrl, grdchk, mdsio
591    
592    checkpoint51c_post
593    o introducing integer flag debugLevel
594      - debLevZero: suppress all output
595      - debLevA: standard
596      - debLevB: equivalent to current debugMode=.TRUE.
597    o introducing pathname variable mdsioLocalDir for mdsio
598      that can be specified at runtime
599      (relevant for cluster I/O to local disk)
600    `
601    >>>checkpoint51b_post
602    adjoint of ptracers
603    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
604    o extended state in checkpoint_lev?, etc.
605    o alternative ctrl/cost with tr1 or ptracer
606    o new comlev1_bibj_ptracers
607    o new ptracers.flow
608    o made ptracers_forcing same as external_forcing_s
609    o added verification for adjoint with ptracers
610      - adm. grdchk fail so far
611      - tlm. grdchk OK
612      - checked tapelev/comlev recomputations: OK
613    <<<checkpoint51b_pre
614    
615    checkpoint51a_post
616    o added code for biogeochemistry package
617      - new pkgs: dic, gchem
618      - new subroutine in ptracers
619    o modify code for biogeo packages
620      - in model/src and pkg/ptracers
621    
622    checkpoint51
623    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
624      - autodiff, ctrl, exf, grdchk, seaice
625      kept separate packages
626      - cost, ecco, obcs
627    o updating verification/internal_wave, verification/lab_sea
628      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
629    
630    checkpoint50i_post
631    o Preparing next differentiable checkpoint and sync
632      of MAIN vs. ecco-branch
633      - 1st step: this one is differentiable
634      - 2nd step: next(! not this) checkpoint will have updated packages
635                  from ecco-branch)
636    
637    checkpoint50h_post
638    o new package "land": provide surface BC for AIM.
639    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
640    o AIM: use true log-P extrapolation for near surface temp (= as in
641        F.Molteni paper) ; update aim.5l_cs output.
642    o New variable in PARM03 for more flexible pickups
643    o somewhat cleaned package initialisation sequence for
644      ctrl/ cost/ ecco/ in packages_... routines
645    
646    checkpoint50g_post
647    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
648      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
649      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
650        made the default because of faster convergence than ADI
651    
652    checkpoint50f_post
653    o exf totally restructured
654      - replaced all exf_set_ routines by one generic exf_set_gen.F
655        and made sure it's still differentiable
656      - split exf_getffields.F into new exf_bulkformulae.F
657      - exf_inscal_/exf_outscal_ suffixes consistent with field names
658      - updated adjoint/makefile and relevant verif. accordingly
659    
660    checkpoint50f_pre
661     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
662          + change Evap over land. (update aim.5l_cs output)
663     o added missing .cvsignores and made uniform across expts
664     o changed configuration of tidal_basin_2d expt
665     o added pkg/debug functions for tracing code in fatal crashes
666     o tidied pkg/monitor to use MONITOR_OPTIONS.h
667     o new fn in pkg/monitor to stop model if solution grows too big
668     o removed lots of single quotes from comments
669    
670    checkpoint50e_post
671    o make KPP work with PTRACERS
672     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
673       nearly a copy of kpp_transport_s
674     - there is no analogue to SurfaceTendencyS, so I have to use
675       gPtr(of the surface layer) instead
676    o add a new platform SunFire+mpi (SunFire 15000) to genmake
677    checkpoint50e_pre
678    
679    checkpoint50d_post
680    o change kpp output from multiple-record state files to single-record state
681      files analogous to write_state.F
682    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
683      analogous to the cg2d-related output.
684    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
685      so that writing to internal file fn (with length 512) fails.
686    checkpoint50d_pre
687    
688    checkpoint50c_post
689    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
690    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
691    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
692    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
693    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
694    
695    checkpoint50c_pre
696    Merging from release1_p13:
697    o bug fix for pkg/seaice dynamic solver
698    o Added SEAICE_initialHEFF to pkg/seaice
699    
700    checkpoint50b_post
701    o store u*,v* in gU,V instead of in guNm1,gvNm1
702    o in order to put the momForcing out of the Adams-Bashforth:
703      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
704      to timestep.F
705    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
706    o re-generate output for highly sensitive test-exp:
707       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
708    
709    checkpoint50b_pre
710    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
711    o corrected CPP option mismatch in exf_Bulk... functions for case
712      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
713    
714    checkpoint50a_post
715    o Bug fix for merging between c50 and KPP.
716      ikey was passed from thermodynamics to kpp_calc via
717      common block rather than being recomputed in kpp_calc,
718      in contradiction with new key itdkey.
719      New key ikppkey created, and tamc.h headers updated.
720    
721    checkpoint50
722    - 2nd step of merge with ecco-branch:
723      merge changes in ecco-branch back into main trunk
724    - bug fix in find_alpha
725    - more storing in gmredi_calc_tensor.F, kpp_routines.F
726    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
727    - merged some sliced AD support routines
728    
729    checkpoint49
730    merged from ecco-branch:
731    o exf:
732      - Enable initialisation of forcing fields to constant
733        (runtime) values.
734      - in exf_getffields.F
735        Reduce i-/j-loop to interior domain, discarding overlaps.
736        That also fixes wrong TAF-key computations for key_1, key_2
737        with bulf formulae.
738      - exf_init.F modify #ifdef for exf_init_evap
739      - exf_getffieldrec.F, ctrl_getrec.F
740        The following INT-usages are not safe:
741          fldsecs  = int(fldsecs/fldperiod)*fldperiod
742          fldcount = int(fldsecs/fldperiod) + 1
743        and were modified.
744    o autodiff: checkpoint_lev...
745      - updated storing for bulk formulae (some arrays were missing)
746      - added state for seaice package
747      - synchronized with main branch
748    o DIVA:
749      Modif.s in
750      - the_main_loop.F
751      - the_model_main.F
752      and added cost_final_restore.F cost_final_store.F
753      o With these changes, it is possible to fully separate
754        the first forward run to compute the cost function (mdthe_main_loop)
755        and adjoint runs over individual DIVA intervals (adthe_main_loop)
756        into separate model executions.
757        This enables better tuning of DIVA to given queue sizes.
758      o Loss of cost function value in consecutive DIVA runs is
759        fixed by storing to 'costfinal' file.
760      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
761        beginning/end of adjoint integration is accounted for.
762      The current changes apply to TAF-1.4.26.
763      TAF has one remaining bug, requiring one manual change
764      (see MITgcm manual).
765    o cal: synchronized between MAIN and ecco-branch
766    
767    checkpoint48i_post
768    o Changes to restore differentiability of code w.r.t. previous tag
769      (mostly adding new routines to make list and replacing
770      pressure by totPhiHyd).
771    o Updated and merged grdchk package
772      - has both ADM and TLM checks
773      - works for single- and multi-proc.
774      - output cleaned
775      - worked successfully for parallel DIVA
776    o genmake:
777      - Adding -platform=SP4
778      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
779    o Modif. for DIVA:
780      ctrl_unpack should not be called in intermediate DIVA interval.
781      (similar thing would apply for active files such as
782      tbar, sbar, psbar, which should not be reinitialised;
783      only relevant for ecco-branch)
784    
785    checkpoint48h_post
786  o improve "ini_p_ground" when using finite difference form for calc_phi_hyd  o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
787  o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F  o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
788  o Added SEAICE_initialHEFF to pkg/seaice  o Added SEAICE_initialHEFF to pkg/seaice
789    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
790    
791  checkpoint48g_post  checkpoint48g_post
792  --- EOS:  --- EOS:

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