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revision 1.97 by adcroft, Tue Nov 5 19:17:20 2002 UTC revision 1.238 by dimitri, Sat Jan 10 00:48:49 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o added useSingleCPUIO flag to monitor.F and mon_out.F
7    
8    checkpoint52f_post
9    o added exch2 cube routines to pkg/exch2
10    o modified hs94.cs-32x32x5 to use it
11    o added new grid files to hs94.cs-32x32x5
12    checkpoint52f_pre
13    
14    checkpoint52e_post
15    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
16      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
17    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
18      to work with implicit vertical advection and AB ;
19    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
20    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
21     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
22    checkpoint52e_pre
23    
24    o fix bug in impldiff when Nr=1 or Nr=2.
25    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
26    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
27    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
28      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
29    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
30    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
31    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
32    
33    checkpoint52d_post
34    o re-tiled many expts to allow comparison in multi-processor mode
35      - updated output accordingly
36      - changed hs94.128x64x5 to use intial T from file rather than use the
37        random number generator
38    o add infrastructure in model routines for fizhi and gridalt packages
39    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
40    o changes to permit hi-res, cubed-sphere, configuration
41      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
42      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
43      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
44        of surface winds for the cube
45      (A verification experiment, based on global_ocean.cs32x15, but with
46       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
47       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
48       complete with example surface forcing files and matlab scripts to look
49       at the output and compare it with that of global_ocean.cs32x15.)
50    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
51       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
52       to conform to the common rule.
53    o check-in the first version of the coupler + interfaces for multi-components
54       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
55       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
56       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
57       - ocean and atmos. share the same horizontal grid (no interpolation).
58       - exchanges between component and coupler is done in forward_step
59    o new verification experiment, cpl_aim+ocn:
60       coupled ocean - AIM atmosphere on cs32 grid.
61    
62    checkpoint52d_pre
63    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
64    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
65    
66    checkpoint52c_post
67    o Fixing OPTIONS files for use of exf:
68      - ALLOW_ECCO not needed
69      - ECCO_CPPOPTIONS.h should not be included from
70        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
71        as has been the case in the past
72      - All cal/exf related options are currently set in
73        single header file. Should remain so until we
74        agree on a consistent new policy.
75    o Removed all CPP options for cal package.
76      cal has no more CPP options.
77    o modified STOREs in GAD_ADVECTION
78    o corrected key comp. for passkey
79    
80    checkpoint52b_post
81    o new version: "thsice" of thermodynamic sea-ice pkg:
82     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
83     - modify fluxes but do not change theta directly;
84     - light cleaning of bulk_force pkg (still needed with thsice).
85     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
86       + output_thsice.txt to test thsice & bulk_force pkgs.
87    o put back grid & coriolis monitor output.
88    checkpoint52b_pre
89    
90    o call "do_the_model_io" at the beginning (=> dump initial state)
91    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
92    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
93      (need info on NUMBER_OF_PTRACERS)
94    o missing PTRACERS headers in some routines
95    o default tamc.h in pkg/autodiff supposed to crash
96      to ensure proper customization
97    
98    checkpoint52a_post
99    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
100      - moved surfaceTendencyTice from pkg/seaice to main code
101      - subroutine FREEZE_SURFACE now limits only surface temperature
102        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
103        => new output.txt for global_ocean.cs32x15 & global_with_exf
104      - keep the old version of FREEZE for backward compatibility;
105        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
106      - corresponding modifs for TAF directives
107    o added surface flux output variables to TIMEAVE_STATVARS
108    o time-averaged output for pkg/ptracers
109    o fix problem with ECCO-related divided adjoint
110      snapshot file was missing some ad-variables,
111      but no warning issued by TAF
112    
113    checkpoint52a_pre
114    o some bug fixes for #undef REAL4_IS_SLOW
115    
116    checkpoint52 = ecco_c52_e35
117    o after testing adjoints of checkpoint51u_post
118    
119    checkpoint51u_post
120    o this is the post-merge tag of the ecco-branch
121      (needs another clean checkout and re-testing)
122    o various natl_box_adjoint configs and results
123      but no input fields
124    o obcs adjoint not yet merged!
125    o adding ECCO global 1x1 and 2x2 degree configs
126    o updated/extended some store directives for seaice
127    o pkg/ecco now containes ecco-specific part of cost function
128    o top level routines the_main_loop, forward_step
129      supersede those in model/src/
130      previous input data.cost now in data.ecco
131      (new namelist ecco_cost_nml)
132    o in ctrl/ cleaned some cross-dependencies and updated CPP options
133    
134    checkpoint51t_post
135    o this is the pre-merge tag of the ecco-branch
136    
137    checkpoint51s_post
138    o cleanup: removed various obsolete #define-s
139    o pkg/grdchk
140      - renamed 'ph-grd 3' to 'grad-res'
141      - merged from ecco-branch
142        (remaining bug fixes for obcs gradient checks)
143      - additional high-precision output for testreport
144        (grep for 'precision_grdchk_result')
145    
146    checkpoint51r_post
147    o cleaned up or removed CPP_OPTIONS.h files
148    o updated results for some of the tests to reflect the new
149      optfiles (-ieee: -O0 instead of -O3)
150    
151    checkpoint51q_post
152    o cd_code:
153      - moved cd_scheme.F -> cd_code_scheme.F
154      - separate read_checkpoint from cd_code_ini_vars.F
155      - separated cd_code part from write_checkpoint
156      - updated AD_SOURCE, generated .flow
157      - added CD_CODE_VARS.h to the_main_loop
158      - Moving cd_code specific store dir.s to pkg/cd_code
159    o ctrl package totally restructured
160      - pack/unpack now optional and decoupled from
161        xx_/adxx_ I/O
162      - ctrl_pack/unpack cleaned
163        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
164      - confined inclusion of AD_CONFIG.h to where necessary.
165    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
166    
167    checkpoint51p_post
168    o create initial cd_code package
169      - WARNING: the initialization of fields within packages
170        is broken because INI_FIELDS (where READ_CHECKPOINT is
171        called) is called *before* PACKAGES_INIT_VARIABLES.
172        This seems to be backwards since
173        1) its important to initially zero the entire field including
174           the "halo" region
175        2) zeroing needs to be done *before* reading pickup info
176           and the pickup call might or might not happen in any
177           particular run
178      - this needs an overhaul for R2
179    o cleanup verification/*/code/GMREDI_OPTIONS.h
180    o cleanup testreport
181    
182    checkpoint51o_post
183    o bringing AD-related verif's up to date with genmake2
184      - carbon/
185      - global_ocean.90x40x15/
186      - hs.94.1x64x5/
187      - (front_relax/ )
188    o (more) consistent directory structure for AD-related verif.'s
189    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
190    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
191    o bug fix in find_alpha.F for MDJWF:
192      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
193        change rho -> rho-rhoConst
194      - replace call find_rho to find_rhonum
195    o initialisation of rFlx extended to full array (required by TAF)
196      and shifted to thermodynamics
197    o removed PTRACERS.h in ptracers routine
198    o added surfacetendencyPtr to S/R parameter list pracers_forcing
199    o Correcting initialisations for fVerU, fVerV.
200    o helping TAF to recognize dependency on kUp for
201      fVerU, fVerV
202    o Replacing delZ by delR in pkg/ctrl/
203    checkpoint51o_pre
204    
205    o undid all of cp51 pending some cleanups and discussion
206    o added the [#include "AD_CONFIG.h"] statement to all files that need
207       it for adjoint/tl #defines
208     o re-worked the build logic in genmake2 to support AD_CONFIG.h
209     o removed tools/genmake since it no longer works
210    
211    checkpoint51n_post
212    o modifications to make FREEZE flux visible to pkg/kpp
213      - moved surfaceTendencyTice from pkg/seaice to main code
214      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
215      - subroutine FREEZE now limits only surface temperature
216        (this means new output.txt for global_ocean.90x40x15,
217         global_ocean.cs32x15, and global_with_exf)
218    o added surface flux output variables to TIMEAVE_STATVARS
219    
220    checkpoint51n_pre
221    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
222    o added [#include "AD_CONFIG.h"] to all files that use the following
223      defines:
224      - ALLOW_ADJOINT_RUN
225      - ALLOW_TANGENTLINEAR_RUN
226      - ALLOW_ECCO_OPTIMIZATION
227    
228    checkpoint51m_post
229    o incorporating changes to get TAMC/TAF working in genmake2
230      - added new TAMC/TAF targets to the Makefile
231      - various cleanups related to package handling
232      - these changes should have no impact on the forward model
233    
234    checkpoint51l_post
235    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
236     - faster algorithm for cal_addtime.F
237     - higher precision arithmetic, where needed
238     - pkg/exf *startdate variables changed from calendar date to
239       model integration time
240    
241    checkpoint51l_pre
242    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
243    o enable to apply restoring on S & T only in a latitude band.
244    o update output (external_forcing_surf modif. change truncation errors)
245       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
246    
247    checkpoint51k_post
248    o change default to: useNHMTerms=.FALSE.
249     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
250       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
251     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
252        exp1, ideal_2D_oce
253     - change data file of oceanic exp (leave the results unchanged for now)
254       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
255    o set gravitySign automatically according to the vertical coordinate used
256      (and change sign: back to "logical" value: +1 when R increases downward)
257    o added an include barrier to the default CPP_OPTIONS.h and
258      removed the #include "PACKAGES_CONFIG.h" from it
259    o fix a bug in mom_fluxform (from chk51j_post)
260    
261    checkpoint51j_post
262    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
263    o adjusted some flow directives (dynamics, thermodynamics)
264    o added cubed-sphere case to test cost function
265    o heckpoint_lev?_directives.h now include
266      pkg-specific directives, whenever those are enabled.
267    o Moving pkg-specific flow directives to corresponding pkg
268      Moving pkg-specific differentiation list to corresponding pkg
269      Moving pkg-specific checkpoint-lev storing to corresponding pkg
270      ---> conventions are
271           - pkg_ad.flow
272           - pkg_ad_diff.list
273           - pkg_ad_check_lev?_dir.h
274    
275    checkpoint51i_post
276    o merge of the branch-genmake2
277      - knowingly breaks the older genmake
278      - automatic generation of all ALLOW_${PKG_NAME} defines
279      - new testreport supersedes older testscript
280    o large number of package inclusion and header cleanups
281    checkpoint51i_pre
282    
283    o new output for adjoin of global ocean vector invariant
284    o fix for checkpoint of thermodynamic seaice and bulk_force
285    o Steph gchem various cleanups
286    
287    checkpoint 51h_pre
288    o fixed some single quotes
289    o modify gchem pkg to be more versatile
290    o modifications to clean up dic pkg
291    o add pkg/cfc
292    
293    checkpoint51g_post
294    o provide links for ARPACK and ADM*TLM
295    o start removing verification/vero/
296    o update AD-related stuff
297      (in particular some IF-statements in model/src/ routines)
298    o adding to verification/global_ocean.90x40x15/ adjoint of
299      vector invariant setup
300    
301    checkpoint51f_post
302    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
303    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
304      of tracer Green's fucntions for ocean inversion project.
305    
306    checkpoint51f_pre
307    o Added on-the-fly spatial interpolation capability
308        "USE_EXF_INTERPOLATION" to pkg/exf.
309      - This is a temporary Cartesian-grid hack until
310        the super-duper ESMF coupler becomes available.
311      - See verification/global_with_exf/README for usage example.
312      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
313        flags and modified pkg/seaice accordingly.
314    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
315        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
316        non-local transport term.
317    
318    checkpoint51e_post
319    o pkg/mom_vecinv:
320      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
321      - add time-ave diagnostic of vorticity advection.
322    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
323    o atmospheric geopotential: - include water vapor effect;
324                                - use p^kappa in p* scaling.
325    o land pkg: read initial state from files.
326    o AIM : add stratospheric drag in the upper level
327    
328    checkpoint51d_post
329    o change function ILNBLNK (=> last non-blank char.) to return zero
330      (instead of the string length) when the string. char is empty
331    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
332    o modif's to restore TAMC compatibility
333      - avoid "_d" constructs in PARAMETER declarations
334      - avoid interrupting lines by comment lines
335    o Use cluster local disks for purely local I/O
336      vs. globally visible disks needed for ctrl stuff
337      (merged from ecco-branch)
338      - new active_file_loc... and mdsio_..._loc routines
339      - affected packages: autodiff, ctrl, grdchk, mdsio
340    
341    checkpoint51c_post
342    o introducing integer flag debugLevel
343      - debLevZero: suppress all output
344      - debLevA: standard
345      - debLevB: equivalent to current debugMode=.TRUE.
346    o introducing pathname variable mdsioLocalDir for mdsio
347      that can be specified at runtime
348      (relevant for cluster I/O to local disk)
349    `
350    >>>checkpoint51b_post
351    adjoint of ptracers
352    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
353    o extended state in checkpoint_lev?, etc.
354    o alternative ctrl/cost with tr1 or ptracer
355    o new comlev1_bibj_ptracers
356    o new ptracers.flow
357    o made ptracers_forcing same as external_forcing_s
358    o added verification for adjoint with ptracers
359      - adm. grdchk fail so far
360      - tlm. grdchk OK
361      - checked tapelev/comlev recomputations: OK
362    <<<checkpoint51b_pre
363    
364    checkpoint51a_post
365    o added code for biogeochemistry package
366      - new pkgs: dic, gchem
367      - new subroutine in ptracers
368    o modify code for biogeo packages
369      - in model/src and pkg/ptracers
370    
371    checkpoint51
372    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
373      - autodiff, ctrl, exf, grdchk, seaice
374      kept separate packages
375      - cost, ecco, obcs
376    o updating verification/internal_wave, verification/lab_sea
377      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
378    
379    checkpoint50i_post
380    o Preparing next differentiable checkpoint and sync
381      of MAIN vs. ecco-branch
382      - 1st step: this one is differentiable
383      - 2nd step: next(! not this) checkpoint will have updated packages
384                  from ecco-branch)
385    
386    checkpoint50h_post
387    o new package "land": provide surface BC for AIM.
388    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
389    o AIM: use true log-P extrapolation for near surface temp (= as in
390        F.Molteni paper) ; update aim.5l_cs output.
391    o New variable in PARM03 for more flexible pickups
392    o somewhat cleaned package initialisation sequence for
393      ctrl/ cost/ ecco/ in packages_... routines
394    
395    checkpoint50g_post
396    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
397      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
398      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
399        made the default because of faster convergence than ADI
400    
401    checkpoint50f_post
402    o exf totally restructured
403      - replaced all exf_set_ routines by one generic exf_set_gen.F
404        and made sure it's still differentiable
405      - split exf_getffields.F into new exf_bulkformulae.F
406      - exf_inscal_/exf_outscal_ suffixes consistent with field names
407      - updated adjoint/makefile and relevant verif. accordingly
408    
409    checkpoint50f_pre
410     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
411          + change Evap over land. (update aim.5l_cs output)
412     o added missing .cvsignores and made uniform across expts
413     o changed configuration of tidal_basin_2d expt
414     o added pkg/debug functions for tracing code in fatal crashes
415     o tidied pkg/monitor to use MONITOR_OPTIONS.h
416     o new fn in pkg/monitor to stop model if solution grows too big
417     o removed lots of single quotes from comments
418    
419    checkpoint50e_post
420    o make KPP work with PTRACERS
421     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
422       nearly a copy of kpp_transport_s
423     - there is no analogue to SurfaceTendencyS, so I have to use
424       gPtr(of the surface layer) instead
425    o add a new platform SunFire+mpi (SunFire 15000) to genmake
426    checkpoint50e_pre
427    
428    checkpoint50d_post
429    o change kpp output from multiple-record state files to single-record state
430      files analogous to write_state.F
431    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
432      analogous to the cg2d-related output.
433    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
434      so that writing to internal file fn (with length 512) fails.
435    checkpoint50d_pre
436    
437    checkpoint50c_post
438    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
439    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
440    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
441    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
442    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
443    
444    checkpoint50c_pre
445    Merging from release1_p13:
446    o bug fix for pkg/seaice dynamic solver
447    o Added SEAICE_initialHEFF to pkg/seaice
448    
449    checkpoint50b_post
450    o store u*,v* in gU,V instead of in guNm1,gvNm1
451    o in order to put the momForcing out of the Adams-Bashforth:
452      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
453      to timestep.F
454    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
455    o re-generate output for highly sensitive test-exp:
456       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
457    
458    checkpoint50b_pre
459    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
460    o corrected CPP option mismatch in exf_Bulk... functions for case
461      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
462    
463    checkpoint50a_post
464    o Bug fix for merging between c50 and KPP.
465      ikey was passed from thermodynamics to kpp_calc via
466      common block rather than being recomputed in kpp_calc,
467      in contradiction with new key itdkey.
468      New key ikppkey created, and tamc.h headers updated.
469    
470    checkpoint50
471    - 2nd step of merge with ecco-branch:
472      merge changes in ecco-branch back into main trunk
473    - bug fix in find_alpha
474    - more storing in gmredi_calc_tensor.F, kpp_routines.F
475    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
476    - merged some sliced AD support routines
477    
478    checkpoint49
479    merged from ecco-branch:
480    o exf:
481      - Enable initialisation of forcing fields to constant
482        (runtime) values.
483      - in exf_getffields.F
484        Reduce i-/j-loop to interior domain, discarding overlaps.
485        That also fixes wrong TAF-key computations for key_1, key_2
486        with bulf formulae.
487      - exf_init.F modify #ifdef for exf_init_evap
488      - exf_getffieldrec.F, ctrl_getrec.F
489        The following INT-usages are not safe:
490          fldsecs  = int(fldsecs/fldperiod)*fldperiod
491          fldcount = int(fldsecs/fldperiod) + 1
492        and were modified.
493    o autodiff: checkpoint_lev...
494      - updated storing for bulk formulae (some arrays were missing)
495      - added state for seaice package
496      - synchronized with main branch
497    o DIVA:
498      Modif.s in
499      - the_main_loop.F
500      - the_model_main.F
501      and added cost_final_restore.F cost_final_store.F
502      o With these changes, it is possible to fully separate
503        the first forward run to compute the cost function (mdthe_main_loop)
504        and adjoint runs over individual DIVA intervals (adthe_main_loop)
505        into separate model executions.
506        This enables better tuning of DIVA to given queue sizes.
507      o Loss of cost function value in consecutive DIVA runs is
508        fixed by storing to 'costfinal' file.
509      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
510        beginning/end of adjoint integration is accounted for.
511      The current changes apply to TAF-1.4.26.
512      TAF has one remaining bug, requiring one manual change
513      (see MITgcm manual).
514    o cal: synchronized between MAIN and ecco-branch
515    
516    checkpoint48i_post
517    o Changes to restore differentiability of code w.r.t. previous tag
518      (mostly adding new routines to make list and replacing
519      pressure by totPhiHyd).
520    o Updated and merged grdchk package
521      - has both ADM and TLM checks
522      - works for single- and multi-proc.
523      - output cleaned
524      - worked successfully for parallel DIVA
525    o genmake:
526      - Adding -platform=SP4
527      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
528    o Modif. for DIVA:
529      ctrl_unpack should not be called in intermediate DIVA interval.
530      (similar thing would apply for active files such as
531      tbar, sbar, psbar, which should not be reinitialised;
532      only relevant for ecco-branch)
533    
534    checkpoint48h_post
535    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
536    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
537    o Added SEAICE_initialHEFF to pkg/seaice
538    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
539    
540    checkpoint48g_post
541    --- EOS:
542    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
543      store total Potential in totPhyHyd for diagnostics & EOS.
544    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
545    --- Pressure/geopotential gradient:
546    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
547    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
548      ( changes results of global_ocean_pressure )
549    o NLFS + z-coord.: add eta*Rho' contribution.
550    o accurate phiHyd when using interface-W at the middle between 2 centers
551     ( changes results of ideal_2D_oce )
552    o includes r* 2nd term in potential gradient.
553    
554    checkpoint48f_post
555    Merging from release1_p12:
556    o Modifications for using pkg/exf with pkg/seaice
557      - improved description of the various forcing configurations
558      - added basic radiation bulk formulae to pkg/exf
559      - units/sign fix for evap computation in exf_getffields.F
560      - updated verification/global_with_exf/results/output.txt
561    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
562      (SBO) core products, including oceanic mass, center-of-mass,
563      angular, and bottom pressure (see pkg/sbo/README.sbo).
564    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
565      to avoid negative values in shallow regions.
566      - updated verification/natl_box/results/output.txt
567      - updated verification/lab_sea/results/output.txt
568    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
569    o Added useSingleCpuIO option (see PARAMS.h).
570    o Updated useSingleCpuIO option in mdsio_writefield.F to
571      work with multi-field files, e.g., for single-file pickup.
572    o pkg/seaice:
573      - bug fix in growth.F: QNET for no shortwave case
574      - added HeffFile for specifying initial sea-ice thickness
575      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
576    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
577      kpp_transport_t.F, forward_step.F, and the_main_loop.F
578    o pkg/seaice:
579      - adjoint-friendly modifications
580      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
581    
582    checkpoint48e_post
583    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
584    o dynamics: change definition of computational domain & adapt mom_fluxform
585      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
586    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
587        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
588        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
589        global_ocean.90x40x15 global_with_exf global_ocean_pressure
590        inverted_barometer solid-body.cs-32x32x1
591      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
592    
593    checkpoint48d_post
594    o in preparation for r*:
595     a) use pre-computed gradient of hydrostatic potential:
596        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
597     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
598        => affects results of glob_oce_pressure (different truncation error)  
599      update output.txt of ideal_2D_oce & global_ocean_pressure
600    
601    checkpoint48d_pre
602    o in preparation for r*:
603      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
604      pass the 2 comp. of the grad. as arguments to momentum S/R.
605      but for the moment, only used if it does not change the results.
606    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
607    
608    checkpoint48c_post
609    Modifications in treatment of initial flux forcing controls
610    to avoid extra storing of flux fields.
611    
612    checkpoint48c_pre
613    o Added tidal_basin_2d experiment (currently 1D!)
614    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
615    
616    checkpoint48b_post
617    o r* coordinate added in #ifdef NONLIN_FRSURF block.
618     (modification to pressure gradient not yet implemented)
619    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
620      (for U & V) that are used for vertical advection of momentum.
621    
622    checkpoint48a_post
623    o In preparation for r*, use temp. array to compute vertical transport
624       in flux-form momentum pkg. => change results of few test-exp.
625      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
626                        lab_sea, natl_box & plume_on_slope
627    
628    checkpoint48
629    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
630    
631    checkpoint47j_post
632    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
633    o moved adexch from forward_step to addummy_in_stepping
634    o added exch in ctrl_map_...
635    o aveFreq.=0. at end of cost_final to avoid overwrite in
636      reverse checkpointing loop
637    o Yet more changes in gmredi:
638      * adgmredi_calc_tensor
639        avoiding all recomputation of gmredi_slope_limit
640      * adgmredi_x/y/rtransport
641        added flag for excessive storing to avoid recomp. of
642        u/v/rtans, dTdx/y/z
643        -> this is not really necessary and very memory-consuming
644      * adgmredi_slope_psi:
645        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
646      * gmredi_slope_limit
647        re-activated full calculation of taperfct for case 'ac02'
648    o updating verification/ adjoints of carbon, global_ocean.90x40x15
649    
650    checkpoint47i_post
651    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
652    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
653      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
654    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
655    o gmredi: fix few bugs.
656    
657    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
658    This will be a good checkpoint to plug into the ecco-branch.
659    o few modif.'s to get latest version adjointed
660      (mainly kick out code in ini_linear_phisurf)
661    o modif's to run adjoint with exactConserv
662    o case GM_BOLUS_ADVEC should be cleaned
663      S/R gmredi_slope_psi should be cleaned
664    o verification/carbon now has exactConserv=.TRUE.
665    
666    checkpoint47g_post
667    o time-average AIM output: becomes independent from statvars time-average
668      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
669    o After TAF bug fix:
670      Tested adjoint of gmredi package.
671      Tests were done with checkpoint47 rather than with latest
672      checkpoint47f_post since the latter is broken for the adjoint
673      verification/carbon/ contains both ADM and TLM gradient checks.
674    Here they are, before they get changed/lost/stolen.
675    Mostly modif.'s to fix numerical sensitivities.
676    Gradient checks OK for
677    - GM_taper_scheme:
678      * clipping
679      * ac02
680      * linear
681      * glw91
682      * dm95
683      * ldd97
684    - GMREDI_OPTIONS:
685      * GM_VISBECK_VARIABLE_K
686      * GM_NON_UNITY_DIAGONAL
687      * GM_EXTRA_DIAGONAL
688      * GM_BOLUS_ADVEC
689    in conjunction with data.gmredi parameters to be checked in
690    in a few minutes under verification/carbon/code/
691    
692    checkpoint47f_post
693    Merging from release1_p10:
694    o modifications for using pkg/exf with pkg/seaice
695      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
696        and SEAICE_EXTERNAL_FLUXES
697      - pkg/exf CPP options EXF_READ_EVAP and
698        EXF_NO_BULK_COMPUTATIONS
699      - usage examples are Experiments 8 and 9 in
700        verification/lab_sea/README
701      - verification/lab_sea default experiment now uses
702        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
703    
704    checkpoint47e_post
705    o created a tag prior to creating a branch
706    
707    checkpoint47d_post
708    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
709      at the bottom boundary had an erroneous half slip boundary condition
710    o added bottom drag and no slip boundary condition capabilities to
711      oceanic pressure coordinates code
712    o added new verification experiment global_ocean_pressure, this experiment is
713      also described in the tutorial section of the manual
714    checkpoint47d_pre
715    
716    checkpoint47c_post
717    o Added a verification experiment for a global cubed-sphere ocean run
718      -  verification/global_ocean.cubed32x32x30
719      -  uses pkg/therm_seaice and pkg/bulk_forcing
720    
721    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
722    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
723      when using P-coordinate; only implemented for atmospheric config.
724    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
725      NOTES: requires option NONLIN_FRSURF to be "#define".
726    o update advect_xz/results/output.txt (left from checkpoint44g_post)
727    
728    checkpoint47b_post
729    Merging from release1_p9:
730    o pkg/seaice
731      - removed GOTO's and added taf directives
732      - double precision constants to reduce the g77 (Linux)
733        to F77 (SGI) differences reported in release1_p8
734    o tools/genmake
735      - added SGI options
736    o verification/testscript
737      - updated to that of checkpoint47a_post
738    o verification/global_ocean.90x40x15/input/eedata
739      - modified for SGI f77 compatibility
740    o verification/lab_sea
741      - added description of sea-ice model
742      - added missing matlab routines
743      - added test of thermodynamics parallelization
744    
745    checkpoint47a_post
746    o new pkg: aim_v23
747     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
748       for now, keep the same surface forcing as before.
749     - Part-Cell implemented into AIM; check that Heat & Water are conserved
750     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
751     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
752    o add diagnostic of surface correction term in monitor output
753    
754    o bulk_force and therm_seaice
755    - Two packages:  bulk_force (Bulk forcing)
756      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
757    - Earlier integration from Stephaine Dutkiewicz
758      and Patrick Heimbach.
759    - Two ifdef statements for compile time,
760       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
761    
762    checkpoint47
763    differentiable version of checkpoint46n_post
764    o bug fix in quasihydrostaticterms
765    o * "clean" adjoint code (in terms of extensive recomputations)
766        can now be obtained for all GMREDI options (i.e. for
767        - GM_VISBECK_VARIABLE_K
768        - GM_NON_UNITY_DIAGONAL
769        - GM_EXTRA_DIAGONAL
770        - GM_BOLUS_ADVEC )
771      * However, wrong gradient check problem remains unsolved.
772      * New CPP options have been introduced for different
773        tapering schemes
774    o external_fields_load now part of differentiation list
775    o pressure needs multiple storing;
776      would be nice to have store_pressure at beginning or
777      end of forward_step, e.g. by having phiHyd global (5-dim.)
778      (NB: pressure is needed for certain cases in find_rho,
779      which is also invoked through convective_adjustment).
780    o recomputations in find_rho for cases
781     'JMD95'/'UNESCO' or 'MDJWF' are OK.
782    o #define ATMOSPHERIC_LOADING should be differentiable
783    o ini_forcing shifted to begining of initialise_varia
784    o Incorporating QNVS line search routines into MITgcm
785      (this is separate code, and therefore not under pkg)
786      lsopt/, optim/
787    o Updated verification/carbon/
788      - #define GM_VISBECK_VARIABLE_K
789      - GM_taper_scheme    = 'ldd97'    
790    
791    checkpoint46n_post
792    Merging from release1_p8:
793    o verification/natl_box:
794      updating new external_fields_load routine
795    o New package: pkg/seaice
796      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
797      The sea-ice code is based on Hibler (1979-1980).
798      Two sea-ice dynamic solvers, ADI and LSR, are included.
799      In addition to computing prognostic sea-ice variables and diagnosing
800      the forcing/external data fields that drive the ocean model,
801      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
802      The implied surface heat flux is then stored in variable
803      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
804      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
805      non-local transport term.  Because this call precedes model
806      thermodynamics, temperature under sea-ice may not be "exactly" at
807      the freezing point by the time theta is dumped or time-averaged.
808      N.B.: fairly large differences in accuracy occur across
809            different platforms/compilers; comparison between
810            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
811            generated output gives:
812       T           S           U           V
813      C D M    c        m  s        m  s        m  s        m  s
814      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
815      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
816      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
817    
818      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
819    o GAD:
820      - generated new common blocks to account for call of
821        same gad routines with differing traceridentities
822        (needed to modify tracerIdentity indices in GAD.h)
823      - generated separate common blocks for case useCubedSphereExchange
824        (Department of Futurology)
825      - parameter lists to gmredi_?transport: added tracerIdentity
826      - added new key indices to tamc.h
827    o external_fields_load:
828      - added this routine to TAF list
829      - needed to make some common blocks global and additional storing
830        along the same lines as exf package (checkpoint_lev?_directives.h)
831    o exf:
832      updated external forcing package
833      - bug fixes carried over from ecco-branch
834        (missing OBCS_OPTIONS.h in two routines)
835      - enable easy to use "no forcing".
836      - added exf I/O for atmospheric loading
837      - added exf I/O for runoff data
838      - transfered scaling between exf <-> MITgcm to exf namelist
839    o Adding new verification experiment global_with_exf.
840      This verification experiment is almost identical to the
841      global_ocean.90x40x15 experiment, except that it uses
842      the exf (and cal) package instead of the
843      external_fields_load routine (cf README file).
844    
845    checkpoint46m_post
846    o modified testscript to return -- when there are no lines of "%MON" output
847    o added new flag "quasiHydrostatic" for QH mode
848      and new routine quasihydrostaticterms()
849    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
850      New routine: mom_u_coriolis_nh()
851    o fixed sign of non-hydrostatic metric terms in u and v equations.
852      Depend on correct sign of gravitySign.
853  o added work.pc* to .cvsignore in aim directories using ifc  o added work.pc* to .cvsignore in aim directories using ifc
854  o introduced flag for controllin non-hydrostatic metric terms  o introduced flag for controllin non-hydrostatic metric terms
855  o removed gravitySign from PARM04  o removed gravitySign from PARM04

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