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revision 1.113 by dimitri, Sat Dec 28 10:11:10 2002 UTC revision 1.311 by afe, Thu Jun 24 20:27:32 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint53e_post
7    o merged cylindrical coord configuration
8    o added rotating_tank experiment
9    checkpoint53e_pre
10    
11    checkpoint53d_post
12    o faulks upgraded: re-generate output.txt that have changed:
13       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
14    o Added Bryan and Lewis, 1979, vertical diffusivity profile
15    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
16    o added Sadourny discretization of Coriolis
17      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
18      - re-enabled use of omega3 (useAbsVorticity)
19    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
20      vector-invariant equations
21      - note: does *NOT* yet use same variable visc. for no-slip BC's.
22    o recoded the lateral boundary conditions for non-hydrostatic w, this time
23      hopefully without new bugs
24      - still to do: biharmonic friction for non-hydrostatic w
25    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
26    o regenerated output for global_ocean_ebm (using -ieee)
27    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
28      of mom_common/
29      - simple re-arrangement of instructions within computing loop
30    checkpoint53d_pre
31    
32    checkpoint53c_post
33    o new version of coupler for AIM+thSIce and Ocean models
34     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
35     - land: change Evaporation of snow
36     - aim with thSIce: fix bug in snow-precip.
37    o changes to calc_gw.F
38     - bug fix for w^2 term near the bottom boundary
39     - (hopefully) improve the lateral slip boundary condtions for use with
40        partial/looped cells
41      - because the bug fix changes two verification experiments anyway (exp5
42        and plume on slope), change the lateral boundary condition from half slip
43        to the value of no_slip_sides
44    o ebm package wasnt quite up to the parallel task. Fixed that.
45    o Adjoint of EBM package + verification
46      * TLM OK
47      * ADM not sufficient accuracy yet (needs further testing)
48    
49    checkpoint53b_post
50    o Commiting new energy balance model to repository
51      * package is pkg/ebm
52      * verif. is verification/global_ocean_ebm
53      * references are in ebm_driver.F
54    C      * X. Wang, P. Stone and J. Marotzke, 1999:
55    C        Global thermohaline circulation. Part I:
56    C        Sensitivity to atmospheric moisture transport.
57    C        J. Climate 12(1), 71-82
58    C      * X. Wang, P. Stone and J. Marotzke, 1999:
59    C        Global thermohaline circulation. Part II:
60    C        Sensitivity with interactive transport.
61    C        J. Climate 12(1), 83-91
62    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
63    C        Destabilization of the thermohaline circulation
64    C        by atmospheric eddy transports.
65    C        J. Climate 7(12), 1870-1882
66    o Will need long integration testing.
67    checkpoint53b_pre
68    
69    o created pkg/mom_common in preparation for variable viscosity code
70    o renamed and split ini_mnc_io
71    o pkg/land: only liquid water can diffuse or run-off
72    o AIM using land: soil wetness availability account for snow
73    o added printMapIncludesZeros to EEPARMS namelist
74    
75    checkpoint53a_post
76    o restore TAMC compatiility for exf_constants.h
77      (no usage of _d in .h)
78    o Additional storing in KPP in an attempt to fix
79      TAMC problem with adjoint of KPP code.
80      (no success...)
81      Identical code works fine with TAF.
82    o Fixed verification/natl_box_adjoint experiments.
83      Initial conditions for Experiments 4 and 5 are now
84      set to "SEAICE_initialHEFF=0", which is more reasonable,
85      and hence gives results closer to that of Experiment 2.
86      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
87    
88    checkpoint53
89    o stable checkpoint with up to date adjoint
90      TLM tests only run for 1st grdchk at the moment. Its unclear if
91      this is a code problem or a problem with resetting code for g_
92      variables that is being autogenerated wrong.
93      Otherwise:
94       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
95       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
96         are both still in chaos following their security messes.
97    
98    checkpoint52n_post
99    o various build (mostly genmake2) changes including:
100      - ability to build/run more easily within Cygwin and MacOS X
101      - more complicated Makefiles with a stronger dependence on Gnu Make
102    o pkg/seaice modifications
103      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
104        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
105        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
106      - changed proxy for geostrophic velocity and updated
107        verification/lab_sea/results/* accordingly
108      - removed ADI dynamic solver from pkg/seaice
109      - replaced all occurrences of 1/CSTICE or 1/CSUICE
110        they caused a segmentation fault under certain circumstances
111      - removed unused field WATR
112    o bug fix in exf-package:
113      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
114         now reflect that.
115    o small fixes in the cal-package:
116      - set reference date to first of January for the 'model'-calendar
117      - failing of cal_CheckDate in cal_FullDate now actually results in a
118        warning
119    o small modifications in exf-package to increase flexibility:
120      - change climtempfreeze from a constant to a runtime parameter that
121        is specified in data.exf_clim (default = -1.9)
122      - introduce runtime parameter windstressmax (default = 2.0) that is
123        specified in data.exf
124    o fix in pkg/thsice:
125      - update Evap (Tsf changes) to be consistent with Latent heat flux
126      - maintain snow precipitation unchanged (even if Tsf >=0).
127     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
128    
129    checkpoint52m_post
130    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
131      this does not change any of the results, because myIter=0 in swfrac always
132      lead to jwtype=2 (the default anyway), but the call makes little sense
133      as a default
134    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
135    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
136      atmospheric model (AIM) to use it ; add a "slab ocean" component.
137    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
138    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
139    o extending useSingleCpuIO option to work with new exch2 I/O format
140      - old-style, missing-tile I/O is still accessible by defining CPP
141        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
142    o monitor package can write to NetCDF files and/or STDOUT
143    o fix re-definition bug in MNC_GRID_INIT_ALL()
144    o doc/api_reference added
145      - a framework for building an API Reference Manual using all
146        the "protex" comments embedded in the code
147      - see pkg/generic_advdiff, pkg/mnc for examples
148    o MNC:
149      - make myThid the last argument for all subroutines
150      - new default for the grid files: NO halos
151      - add useMNC and other run-time flags
152      - separate per-file-group handling of the unlimited dimension
153      - early initialization of MNC w/ flags read at the eeboot stage
154        and lookup tables set in initialize_fixed
155      - write all MNC output to a freshly-created directory
156    o thermodynamics sea-ice (thsice) is now tested with testreport.
157    o test exp. advect_cs: use the standard cs32 grid ; update output.
158    o Added functionality to grdchk:
159      pick global i,j,k position (or nearest wet) where to perform check.
160    
161    checkpoint52l_post
162    o new land formulation:
163      a) use ground enthalpy as prognostic variable to ensure exact
164         energy conservation.
165      b) account for water temperature and for latent heat of freezing
166         in all processes (rain, run-off, ground storage)
167      c) compute surface and ground temperature implicitly.
168    o aim_v23 modification for new land model:
169      a) Treat separately land / ocean / sea-ice surface fluxes
170         to allow implicit computation of land & sea-ice surface temp.
171      b) add snow precipitation.
172    checkpoint52l_pre
173    
174    o fix problem (when 1 tile is empty) in min/max monitor.
175    o fix bug in timeAve (u,vZetatave in common block)
176    o no restoring terms under ice for pkg/seaice
177    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
178    o bug fix for pkg/seaice pickups
179    o change MNC call locations and add coordinate attributes
180    o mask vorticity at the corner ; affects global_ocean.cs output
181    o fix ini_curvilinear_grid ; test CS experiments with mpi
182    o aim.5l_cs: modify sea-ice fraction input file ; update output
183    o exf: Adding simple range check routine for exf fields after read
184    
185    checkpoint52k_post
186    o removed top-level directory "diags"
187      - we migrated these functions to pkg/timeave a long time ago
188    o fixed bug introduced in pkg/monitor
189    o accuracy ctrlprec = 32 insuffient for gradient checks using
190      averaged fields (I/O via cost_averages)
191      -> use ctrl.h in active_file*.F to control I/O precision.
192    o paramter list of CALL ADTHE_MAIN_LOOP
193    o added initial do_the_model_io to ecco
194    o set all ...Freq to zero after cost_final
195      taveFreq, dumpFreq, pChkptFreq
196    o MAIN and ECCO differentiability restored
197    
198    checkpoint52j_post
199    o fix nchklev in tamc.h for global_ocean...
200    o Bringing flow and store directives up-to-date
201    o Really weird thing!
202      call do_the_model_io from the_main_loop with parameters
203      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
204      TAF places a faulty re-call of initialise_varia
205      after cost_final call which should not be there!
206    checkpoint52j_pre
207    
208    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
209      error messages
210    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
211    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
212      debug output
213    o modfied mdsio_writefield.F to handle non-global files under exch2
214    o update AIM Cubed-Sphere exp (aim.5l_cs):
215      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
216    o update AIM Equatorial Channel exp:
217      use standard aim_v23 pkg and change the SST fields to be more realistic.
218    o globalFile now works with exch2
219    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
220      mon_vort3.F to make exch2 friendly with >1 tile per cube face
221    o limit timeave output for hi-res integrations
222    
223    checkpoint52i_post
224    o removed CPP_EEOPTIONS.h from verification/*/code
225    o updated the tiling for global_ocean_pressure
226    checkpoint52i_pre
227    
228    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
229      the old pkg/aim).
230    
231    checkpoint52h_pre
232    o shortened offending lines in exch2_send_rx?.template
233    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
234    o genmake2: add build & execute test for NetCDF code
235    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
236      old grid files, moved CPP_EEMACROS.h to pkg/exch2
237    o added useSingleCPUIO flag to monitor.F and mon_out.F
238    o added temporary hack for sea-ice dynamics on the cube:
239      metric terms are ignored and it is assumed that
240      there is no sea-ice on cube faces 1, 2, 4, and 5.
241    
242    checkpoint52f_post
243    o added exch2 cube routines to pkg/exch2
244    o modified hs94.cs-32x32x5 to use it
245    o added new grid files to hs94.cs-32x32x5
246    checkpoint52f_pre
247    
248    checkpoint52e_post
249    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
250      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
251    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
252      to work with implicit vertical advection and AB ;
253    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
254    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
255     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
256    checkpoint52e_pre
257    
258    o fix bug in impldiff when Nr=1 or Nr=2.
259    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
260    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
261    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
262      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
263    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
264    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
265    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
266    
267    checkpoint52d_post
268    o re-tiled many expts to allow comparison in multi-processor mode
269      - updated output accordingly
270      - changed hs94.128x64x5 to use intial T from file rather than use the
271        random number generator
272    o add infrastructure in model routines for fizhi and gridalt packages
273    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
274    o changes to permit hi-res, cubed-sphere, configuration
275      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
276      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
277      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
278        of surface winds for the cube
279      (A verification experiment, based on global_ocean.cs32x15, but with
280       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
281       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
282       complete with example surface forcing files and matlab scripts to look
283       at the output and compare it with that of global_ocean.cs32x15.)
284    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
285       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
286       to conform to the common rule.
287    o check-in the first version of the coupler + interfaces for multi-components
288       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
289       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
290       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
291       - ocean and atmos. share the same horizontal grid (no interpolation).
292       - exchanges between component and coupler is done in forward_step
293    o new verification experiment, cpl_aim+ocn:
294       coupled ocean - AIM atmosphere on cs32 grid.
295    
296    checkpoint52d_pre
297    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
298    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
299    
300    checkpoint52c_post
301    o Fixing OPTIONS files for use of exf:
302      - ALLOW_ECCO not needed
303      - ECCO_CPPOPTIONS.h should not be included from
304        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
305        as has been the case in the past
306      - All cal/exf related options are currently set in
307        single header file. Should remain so until we
308        agree on a consistent new policy.
309    o Removed all CPP options for cal package.
310      cal has no more CPP options.
311    o modified STOREs in GAD_ADVECTION
312    o corrected key comp. for passkey
313    
314    checkpoint52b_post
315    o new version: "thsice" of thermodynamic sea-ice pkg:
316     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
317     - modify fluxes but do not change theta directly;
318     - light cleaning of bulk_force pkg (still needed with thsice).
319     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
320       + output_thsice.txt to test thsice & bulk_force pkgs.
321    o put back grid & coriolis monitor output.
322    checkpoint52b_pre
323    
324    o call "do_the_model_io" at the beginning (=> dump initial state)
325    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
326    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
327      (need info on NUMBER_OF_PTRACERS)
328    o missing PTRACERS headers in some routines
329    o default tamc.h in pkg/autodiff supposed to crash
330      to ensure proper customization
331    
332    checkpoint52a_post
333    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
334      - moved surfaceTendencyTice from pkg/seaice to main code
335      - subroutine FREEZE_SURFACE now limits only surface temperature
336        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
337        => new output.txt for global_ocean.cs32x15 & global_with_exf
338      - keep the old version of FREEZE for backward compatibility;
339        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
340      - corresponding modifs for TAF directives
341    o added surface flux output variables to TIMEAVE_STATVARS
342    o time-averaged output for pkg/ptracers
343    o fix problem with ECCO-related divided adjoint
344      snapshot file was missing some ad-variables,
345      but no warning issued by TAF
346    
347    checkpoint52a_pre
348    o some bug fixes for #undef REAL4_IS_SLOW
349    
350    checkpoint52 = ecco_c52_e35
351    o after testing adjoints of checkpoint51u_post
352    
353    checkpoint51u_post
354    o this is the post-merge tag of the ecco-branch
355      (needs another clean checkout and re-testing)
356    o various natl_box_adjoint configs and results
357      but no input fields
358    o obcs adjoint not yet merged!
359    o adding ECCO global 1x1 and 2x2 degree configs
360    o updated/extended some store directives for seaice
361    o pkg/ecco now containes ecco-specific part of cost function
362    o top level routines the_main_loop, forward_step
363      supersede those in model/src/
364      previous input data.cost now in data.ecco
365      (new namelist ecco_cost_nml)
366    o in ctrl/ cleaned some cross-dependencies and updated CPP options
367    
368    checkpoint51t_post
369    o this is the pre-merge tag of the ecco-branch
370    
371    checkpoint51s_post
372    o cleanup: removed various obsolete #define-s
373    o pkg/grdchk
374      - renamed 'ph-grd 3' to 'grad-res'
375      - merged from ecco-branch
376        (remaining bug fixes for obcs gradient checks)
377      - additional high-precision output for testreport
378        (grep for 'precision_grdchk_result')
379    
380    checkpoint51r_post
381    o cleaned up or removed CPP_OPTIONS.h files
382    o updated results for some of the tests to reflect the new
383      optfiles (-ieee: -O0 instead of -O3)
384    
385    checkpoint51q_post
386    o cd_code:
387      - moved cd_scheme.F -> cd_code_scheme.F
388      - separate read_checkpoint from cd_code_ini_vars.F
389      - separated cd_code part from write_checkpoint
390      - updated AD_SOURCE, generated .flow
391      - added CD_CODE_VARS.h to the_main_loop
392      - Moving cd_code specific store dir.s to pkg/cd_code
393    o ctrl package totally restructured
394      - pack/unpack now optional and decoupled from
395        xx_/adxx_ I/O
396      - ctrl_pack/unpack cleaned
397        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
398      - confined inclusion of AD_CONFIG.h to where necessary.
399    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
400    
401    checkpoint51p_post
402    o create initial cd_code package
403      - WARNING: the initialization of fields within packages
404        is broken because INI_FIELDS (where READ_CHECKPOINT is
405        called) is called *before* PACKAGES_INIT_VARIABLES.
406        This seems to be backwards since
407        1) its important to initially zero the entire field including
408           the "halo" region
409        2) zeroing needs to be done *before* reading pickup info
410           and the pickup call might or might not happen in any
411           particular run
412      - this needs an overhaul for R2
413    o cleanup verification/*/code/GMREDI_OPTIONS.h
414    o cleanup testreport
415    
416    checkpoint51o_post
417    o bringing AD-related verif's up to date with genmake2
418      - carbon/
419      - global_ocean.90x40x15/
420      - hs.94.1x64x5/
421      - (front_relax/ )
422    o (more) consistent directory structure for AD-related verif.'s
423    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
424    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
425    o bug fix in find_alpha.F for MDJWF:
426      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
427        change rho -> rho-rhoConst
428      - replace call find_rho to find_rhonum
429    o initialisation of rFlx extended to full array (required by TAF)
430      and shifted to thermodynamics
431    o removed PTRACERS.h in ptracers routine
432    o added surfacetendencyPtr to S/R parameter list pracers_forcing
433    o Correcting initialisations for fVerU, fVerV.
434    o helping TAF to recognize dependency on kUp for
435      fVerU, fVerV
436    o Replacing delZ by delR in pkg/ctrl/
437    checkpoint51o_pre
438    
439    o undid all of cp51 pending some cleanups and discussion
440    o added the [#include "AD_CONFIG.h"] statement to all files that need
441       it for adjoint/tl #defines
442     o re-worked the build logic in genmake2 to support AD_CONFIG.h
443     o removed tools/genmake since it no longer works
444    
445    checkpoint51n_post
446    o modifications to make FREEZE flux visible to pkg/kpp
447      - moved surfaceTendencyTice from pkg/seaice to main code
448      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
449      - subroutine FREEZE now limits only surface temperature
450        (this means new output.txt for global_ocean.90x40x15,
451         global_ocean.cs32x15, and global_with_exf)
452    o added surface flux output variables to TIMEAVE_STATVARS
453    
454    checkpoint51n_pre
455    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
456    o added [#include "AD_CONFIG.h"] to all files that use the following
457      defines:
458      - ALLOW_ADJOINT_RUN
459      - ALLOW_TANGENTLINEAR_RUN
460      - ALLOW_ECCO_OPTIMIZATION
461    
462    checkpoint51m_post
463    o incorporating changes to get TAMC/TAF working in genmake2
464      - added new TAMC/TAF targets to the Makefile
465      - various cleanups related to package handling
466      - these changes should have no impact on the forward model
467    
468    checkpoint51l_post
469    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
470     - faster algorithm for cal_addtime.F
471     - higher precision arithmetic, where needed
472     - pkg/exf *startdate variables changed from calendar date to
473       model integration time
474    
475    checkpoint51l_pre
476    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
477    o enable to apply restoring on S & T only in a latitude band.
478    o update output (external_forcing_surf modif. change truncation errors)
479       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
480    
481    checkpoint51k_post
482    o change default to: useNHMTerms=.FALSE.
483     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
484       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
485     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
486        exp1, ideal_2D_oce
487     - change data file of oceanic exp (leave the results unchanged for now)
488       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
489    o set gravitySign automatically according to the vertical coordinate used
490      (and change sign: back to "logical" value: +1 when R increases downward)
491    o added an include barrier to the default CPP_OPTIONS.h and
492      removed the #include "PACKAGES_CONFIG.h" from it
493    o fix a bug in mom_fluxform (from chk51j_post)
494    
495    checkpoint51j_post
496    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
497    o adjusted some flow directives (dynamics, thermodynamics)
498    o added cubed-sphere case to test cost function
499    o heckpoint_lev?_directives.h now include
500      pkg-specific directives, whenever those are enabled.
501    o Moving pkg-specific flow directives to corresponding pkg
502      Moving pkg-specific differentiation list to corresponding pkg
503      Moving pkg-specific checkpoint-lev storing to corresponding pkg
504      ---> conventions are
505           - pkg_ad.flow
506           - pkg_ad_diff.list
507           - pkg_ad_check_lev?_dir.h
508    
509    checkpoint51i_post
510    o merge of the branch-genmake2
511      - knowingly breaks the older genmake
512      - automatic generation of all ALLOW_${PKG_NAME} defines
513      - new testreport supersedes older testscript
514    o large number of package inclusion and header cleanups
515    checkpoint51i_pre
516    
517    o new output for adjoin of global ocean vector invariant
518    o fix for checkpoint of thermodynamic seaice and bulk_force
519    o Steph gchem various cleanups
520    
521    checkpoint 51h_pre
522    o fixed some single quotes
523    o modify gchem pkg to be more versatile
524    o modifications to clean up dic pkg
525    o add pkg/cfc
526    
527    checkpoint51g_post
528    o provide links for ARPACK and ADM*TLM
529    o start removing verification/vero/
530    o update AD-related stuff
531      (in particular some IF-statements in model/src/ routines)
532    o adding to verification/global_ocean.90x40x15/ adjoint of
533      vector invariant setup
534    
535    checkpoint51f_post
536    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
537    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
538      of tracer Green's fucntions for ocean inversion project.
539    
540    checkpoint51f_pre
541    o Added on-the-fly spatial interpolation capability
542        "USE_EXF_INTERPOLATION" to pkg/exf.
543      - This is a temporary Cartesian-grid hack until
544        the super-duper ESMF coupler becomes available.
545      - See verification/global_with_exf/README for usage example.
546      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
547        flags and modified pkg/seaice accordingly.
548    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
549        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
550        non-local transport term.
551    
552    checkpoint51e_post
553    o pkg/mom_vecinv:
554      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
555      - add time-ave diagnostic of vorticity advection.
556    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
557    o atmospheric geopotential: - include water vapor effect;
558                                - use p^kappa in p* scaling.
559    o land pkg: read initial state from files.
560    o AIM : add stratospheric drag in the upper level
561    
562    checkpoint51d_post
563    o change function ILNBLNK (=> last non-blank char.) to return zero
564      (instead of the string length) when the string. char is empty
565    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
566    o modif's to restore TAMC compatibility
567      - avoid "_d" constructs in PARAMETER declarations
568      - avoid interrupting lines by comment lines
569    o Use cluster local disks for purely local I/O
570      vs. globally visible disks needed for ctrl stuff
571      (merged from ecco-branch)
572      - new active_file_loc... and mdsio_..._loc routines
573      - affected packages: autodiff, ctrl, grdchk, mdsio
574    
575    checkpoint51c_post
576    o introducing integer flag debugLevel
577      - debLevZero: suppress all output
578      - debLevA: standard
579      - debLevB: equivalent to current debugMode=.TRUE.
580    o introducing pathname variable mdsioLocalDir for mdsio
581      that can be specified at runtime
582      (relevant for cluster I/O to local disk)
583    `
584    >>>checkpoint51b_post
585    adjoint of ptracers
586    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
587    o extended state in checkpoint_lev?, etc.
588    o alternative ctrl/cost with tr1 or ptracer
589    o new comlev1_bibj_ptracers
590    o new ptracers.flow
591    o made ptracers_forcing same as external_forcing_s
592    o added verification for adjoint with ptracers
593      - adm. grdchk fail so far
594      - tlm. grdchk OK
595      - checked tapelev/comlev recomputations: OK
596    <<<checkpoint51b_pre
597    
598    checkpoint51a_post
599    o added code for biogeochemistry package
600      - new pkgs: dic, gchem
601      - new subroutine in ptracers
602    o modify code for biogeo packages
603      - in model/src and pkg/ptracers
604    
605    checkpoint51
606    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
607      - autodiff, ctrl, exf, grdchk, seaice
608      kept separate packages
609      - cost, ecco, obcs
610    o updating verification/internal_wave, verification/lab_sea
611      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
612    
613    checkpoint50i_post
614    o Preparing next differentiable checkpoint and sync
615      of MAIN vs. ecco-branch
616      - 1st step: this one is differentiable
617      - 2nd step: next(! not this) checkpoint will have updated packages
618                  from ecco-branch)
619    
620    checkpoint50h_post
621    o new package "land": provide surface BC for AIM.
622    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
623    o AIM: use true log-P extrapolation for near surface temp (= as in
624        F.Molteni paper) ; update aim.5l_cs output.
625    o New variable in PARM03 for more flexible pickups
626    o somewhat cleaned package initialisation sequence for
627      ctrl/ cost/ ecco/ in packages_... routines
628    
629    checkpoint50g_post
630    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
631      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
632      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
633        made the default because of faster convergence than ADI
634    
635    checkpoint50f_post
636    o exf totally restructured
637      - replaced all exf_set_ routines by one generic exf_set_gen.F
638        and made sure it's still differentiable
639      - split exf_getffields.F into new exf_bulkformulae.F
640      - exf_inscal_/exf_outscal_ suffixes consistent with field names
641      - updated adjoint/makefile and relevant verif. accordingly
642    
643    checkpoint50f_pre
644     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
645          + change Evap over land. (update aim.5l_cs output)
646     o added missing .cvsignores and made uniform across expts
647     o changed configuration of tidal_basin_2d expt
648     o added pkg/debug functions for tracing code in fatal crashes
649     o tidied pkg/monitor to use MONITOR_OPTIONS.h
650     o new fn in pkg/monitor to stop model if solution grows too big
651     o removed lots of single quotes from comments
652    
653    checkpoint50e_post
654    o make KPP work with PTRACERS
655     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
656       nearly a copy of kpp_transport_s
657     - there is no analogue to SurfaceTendencyS, so I have to use
658       gPtr(of the surface layer) instead
659    o add a new platform SunFire+mpi (SunFire 15000) to genmake
660    checkpoint50e_pre
661    
662    checkpoint50d_post
663    o change kpp output from multiple-record state files to single-record state
664      files analogous to write_state.F
665    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
666      analogous to the cg2d-related output.
667    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
668      so that writing to internal file fn (with length 512) fails.
669    checkpoint50d_pre
670    
671    checkpoint50c_post
672    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
673    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
674    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
675    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
676    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
677    
678    checkpoint50c_pre
679    Merging from release1_p13:
680    o bug fix for pkg/seaice dynamic solver
681    o Added SEAICE_initialHEFF to pkg/seaice
682    
683    checkpoint50b_post
684    o store u*,v* in gU,V instead of in guNm1,gvNm1
685    o in order to put the momForcing out of the Adams-Bashforth:
686      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
687      to timestep.F
688    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
689    o re-generate output for highly sensitive test-exp:
690       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
691    
692    checkpoint50b_pre
693    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
694    o corrected CPP option mismatch in exf_Bulk... functions for case
695      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
696    
697    checkpoint50a_post
698    o Bug fix for merging between c50 and KPP.
699      ikey was passed from thermodynamics to kpp_calc via
700      common block rather than being recomputed in kpp_calc,
701      in contradiction with new key itdkey.
702      New key ikppkey created, and tamc.h headers updated.
703    
704    checkpoint50
705    - 2nd step of merge with ecco-branch:
706      merge changes in ecco-branch back into main trunk
707    - bug fix in find_alpha
708    - more storing in gmredi_calc_tensor.F, kpp_routines.F
709    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
710    - merged some sliced AD support routines
711    
712    checkpoint49
713    merged from ecco-branch:
714    o exf:
715      - Enable initialisation of forcing fields to constant
716        (runtime) values.
717      - in exf_getffields.F
718        Reduce i-/j-loop to interior domain, discarding overlaps.
719        That also fixes wrong TAF-key computations for key_1, key_2
720        with bulf formulae.
721      - exf_init.F modify #ifdef for exf_init_evap
722      - exf_getffieldrec.F, ctrl_getrec.F
723        The following INT-usages are not safe:
724          fldsecs  = int(fldsecs/fldperiod)*fldperiod
725          fldcount = int(fldsecs/fldperiod) + 1
726        and were modified.
727    o autodiff: checkpoint_lev...
728      - updated storing for bulk formulae (some arrays were missing)
729      - added state for seaice package
730      - synchronized with main branch
731    o DIVA:
732      Modif.s in
733      - the_main_loop.F
734      - the_model_main.F
735      and added cost_final_restore.F cost_final_store.F
736      o With these changes, it is possible to fully separate
737        the first forward run to compute the cost function (mdthe_main_loop)
738        and adjoint runs over individual DIVA intervals (adthe_main_loop)
739        into separate model executions.
740        This enables better tuning of DIVA to given queue sizes.
741      o Loss of cost function value in consecutive DIVA runs is
742        fixed by storing to 'costfinal' file.
743      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
744        beginning/end of adjoint integration is accounted for.
745      The current changes apply to TAF-1.4.26.
746      TAF has one remaining bug, requiring one manual change
747      (see MITgcm manual).
748    o cal: synchronized between MAIN and ecco-branch
749    
750    checkpoint48i_post
751    o Changes to restore differentiability of code w.r.t. previous tag
752      (mostly adding new routines to make list and replacing
753      pressure by totPhiHyd).
754    o Updated and merged grdchk package
755      - has both ADM and TLM checks
756      - works for single- and multi-proc.
757      - output cleaned
758      - worked successfully for parallel DIVA
759    o genmake:
760      - Adding -platform=SP4
761      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
762    o Modif. for DIVA:
763      ctrl_unpack should not be called in intermediate DIVA interval.
764      (similar thing would apply for active files such as
765      tbar, sbar, psbar, which should not be reinitialised;
766      only relevant for ecco-branch)
767    
768    checkpoint48h_post
769    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
770    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
771    o Added SEAICE_initialHEFF to pkg/seaice
772    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
773    
774    checkpoint48g_post
775    --- EOS:
776    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
777      store total Potential in totPhyHyd for diagnostics & EOS.
778    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
779    --- Pressure/geopotential gradient:
780    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
781    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
782      ( changes results of global_ocean_pressure )
783    o NLFS + z-coord.: add eta*Rho' contribution.
784    o accurate phiHyd when using interface-W at the middle between 2 centers
785     ( changes results of ideal_2D_oce )
786    o includes r* 2nd term in potential gradient.
787    
788    checkpoint48f_post
789    Merging from release1_p12:
790    o Modifications for using pkg/exf with pkg/seaice
791      - improved description of the various forcing configurations
792      - added basic radiation bulk formulae to pkg/exf
793      - units/sign fix for evap computation in exf_getffields.F
794      - updated verification/global_with_exf/results/output.txt
795    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
796      (SBO) core products, including oceanic mass, center-of-mass,
797      angular, and bottom pressure (see pkg/sbo/README.sbo).
798    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
799      to avoid negative values in shallow regions.
800      - updated verification/natl_box/results/output.txt
801      - updated verification/lab_sea/results/output.txt
802    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
803    o Added useSingleCpuIO option (see PARAMS.h).
804    o Updated useSingleCpuIO option in mdsio_writefield.F to
805      work with multi-field files, e.g., for single-file pickup.
806    o pkg/seaice:
807      - bug fix in growth.F: QNET for no shortwave case
808      - added HeffFile for specifying initial sea-ice thickness
809      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
810    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
811      kpp_transport_t.F, forward_step.F, and the_main_loop.F
812    o pkg/seaice:
813      - adjoint-friendly modifications
814      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
815    
816    checkpoint48e_post
817    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
818    o dynamics: change definition of computational domain & adapt mom_fluxform
819      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
820    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
821        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
822        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
823        global_ocean.90x40x15 global_with_exf global_ocean_pressure
824        inverted_barometer solid-body.cs-32x32x1
825      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
826    
827    checkpoint48d_post
828    o in preparation for r*:
829     a) use pre-computed gradient of hydrostatic potential:
830        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
831     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
832        => affects results of glob_oce_pressure (different truncation error)  
833      update output.txt of ideal_2D_oce & global_ocean_pressure
834    
835    checkpoint48d_pre
836    o in preparation for r*:
837      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
838      pass the 2 comp. of the grad. as arguments to momentum S/R.
839      but for the moment, only used if it does not change the results.
840    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
841    
842    checkpoint48c_post
843    Modifications in treatment of initial flux forcing controls
844    to avoid extra storing of flux fields.
845    
846    checkpoint48c_pre
847    o Added tidal_basin_2d experiment (currently 1D!)
848    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
849    
850    checkpoint48b_post
851    o r* coordinate added in #ifdef NONLIN_FRSURF block.
852     (modification to pressure gradient not yet implemented)
853    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
854      (for U & V) that are used for vertical advection of momentum.
855    
856    checkpoint48a_post
857    o In preparation for r*, use temp. array to compute vertical transport
858       in flux-form momentum pkg. => change results of few test-exp.
859      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
860                        lab_sea, natl_box & plume_on_slope
861    
862    checkpoint48
863    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
864    
865    checkpoint47j_post
866    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
867    o moved adexch from forward_step to addummy_in_stepping
868    o added exch in ctrl_map_...
869    o aveFreq.=0. at end of cost_final to avoid overwrite in
870      reverse checkpointing loop
871    o Yet more changes in gmredi:
872      * adgmredi_calc_tensor
873        avoiding all recomputation of gmredi_slope_limit
874      * adgmredi_x/y/rtransport
875        added flag for excessive storing to avoid recomp. of
876        u/v/rtans, dTdx/y/z
877        -> this is not really necessary and very memory-consuming
878      * adgmredi_slope_psi:
879        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
880      * gmredi_slope_limit
881        re-activated full calculation of taperfct for case 'ac02'
882    o updating verification/ adjoints of carbon, global_ocean.90x40x15
883    
884    checkpoint47i_post
885    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
886    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
887      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
888    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
889    o gmredi: fix few bugs.
890    
891    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
892    This will be a good checkpoint to plug into the ecco-branch.
893    o few modif.'s to get latest version adjointed
894      (mainly kick out code in ini_linear_phisurf)
895    o modif's to run adjoint with exactConserv
896    o case GM_BOLUS_ADVEC should be cleaned
897      S/R gmredi_slope_psi should be cleaned
898    o verification/carbon now has exactConserv=.TRUE.
899    
900    checkpoint47g_post
901    o time-average AIM output: becomes independent from statvars time-average
902      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
903    o After TAF bug fix:
904      Tested adjoint of gmredi package.
905      Tests were done with checkpoint47 rather than with latest
906      checkpoint47f_post since the latter is broken for the adjoint
907      verification/carbon/ contains both ADM and TLM gradient checks.
908    Here they are, before they get changed/lost/stolen.
909    Mostly modif.'s to fix numerical sensitivities.
910    Gradient checks OK for
911    - GM_taper_scheme:
912      * clipping
913      * ac02
914      * linear
915      * glw91
916      * dm95
917      * ldd97
918    - GMREDI_OPTIONS:
919      * GM_VISBECK_VARIABLE_K
920      * GM_NON_UNITY_DIAGONAL
921      * GM_EXTRA_DIAGONAL
922      * GM_BOLUS_ADVEC
923    in conjunction with data.gmredi parameters to be checked in
924    in a few minutes under verification/carbon/code/
925    
926  checkpoint47f_post  checkpoint47f_post
927  Merging from release1_p10:  Merging from release1_p10:
928  o modifications for using pkg/exf with pkg/seaice  o modifications for using pkg/exf with pkg/seaice

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