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revision 1.125 by jmc, Mon Jan 27 21:42:19 2003 UTC revision 1.298 by heimbach, Wed May 19 20:38:53 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 changes to calc_gw.F
7     - bug fix for w^2 term near the bottom boundary
8     - (hopefully) improve the lateral slip boundary condtions for use with
9        partial/looped cells
10      - because the bug fix changes two verification experiments anyway (exp5
11        and plume on slope), change the lateral boundary condition from half slip
12        to the value of no_slip_sides
13    o ebm package wasnt quite up to the parallel task. Fixed that.
14    
15    checkpoint53b_post
16    o Commiting new energy balance model to repository
17      * package is pkg/ebm
18      * verif. is verification/global_ocean_ebm
19      * references are in ebm_driver.F
20    C      * X. Wang, P. Stone and J. Marotzke, 1999:
21    C        Global thermohaline circulation. Part I:
22    C        Sensitivity to atmospheric moisture transport.
23    C        J. Climate 12(1), 71-82
24    C      * X. Wang, P. Stone and J. Marotzke, 1999:
25    C        Global thermohaline circulation. Part II:
26    C        Sensitivity with interactive transport.
27    C        J. Climate 12(1), 83-91
28    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
29    C        Destabilization of the thermohaline circulation
30    C        by atmospheric eddy transports.
31    C        J. Climate 7(12), 1870-1882
32    o Will need long integration testing.
33    checkpoint53b_pre
34    
35    o created pkg/mom_common in preparation for variable viscosity code
36    o renamed and split ini_mnc_io
37    o pkg/land: only liquid water can diffuse or run-off
38    o AIM using land: soil wetness availability account for snow
39    o added printMapIncludesZeros to EEPARMS namelist
40    
41    checkpoint53a_post
42    o restore TAMC compatiility for exf_constants.h
43      (no usage of _d in .h)
44    o Additional storing in KPP in an attempt to fix
45      TAMC problem with adjoint of KPP code.
46      (no success...)
47      Identical code works fine with TAF.
48    o Fixed verification/natl_box_adjoint experiments.
49      Initial conditions for Experiments 4 and 5 are now
50      set to "SEAICE_initialHEFF=0", which is more reasonable,
51      and hence gives results closer to that of Experiment 2.
52      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
53    
54    checkpoint53
55    o stable checkpoint with up to date adjoint
56      TLM tests only run for 1st grdchk at the moment. Its unclear if
57      this is a code problem or a problem with resetting code for g_
58      variables that is being autogenerated wrong.
59      Otherwise:
60       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
61       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
62         are both still in chaos following their security messes.
63    
64    checkpoint52n_post
65    o various build (mostly genmake2) changes including:
66      - ability to build/run more easily within Cygwin and MacOS X
67      - more complicated Makefiles with a stronger dependence on Gnu Make
68    o pkg/seaice modifications
69      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
70        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
71        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
72      - changed proxy for geostrophic velocity and updated
73        verification/lab_sea/results/* accordingly
74      - removed ADI dynamic solver from pkg/seaice
75      - replaced all occurrences of 1/CSTICE or 1/CSUICE
76        they caused a segmentation fault under certain circumstances
77      - removed unused field WATR
78    o bug fix in exf-package:
79      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
80         now reflect that.
81    o small fixes in the cal-package:
82      - set reference date to first of January for the 'model'-calendar
83      - failing of cal_CheckDate in cal_FullDate now actually results in a
84        warning
85    o small modifications in exf-package to increase flexibility:
86      - change climtempfreeze from a constant to a runtime parameter that
87        is specified in data.exf_clim (default = -1.9)
88      - introduce runtime parameter windstressmax (default = 2.0) that is
89        specified in data.exf
90    o fix in pkg/thsice:
91      - update Evap (Tsf changes) to be consistent with Latent heat flux
92      - maintain snow precipitation unchanged (even if Tsf >=0).
93     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
94    
95    checkpoint52m_post
96    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
97      this does not change any of the results, because myIter=0 in swfrac always
98      lead to jwtype=2 (the default anyway), but the call makes little sense
99      as a default
100    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
101    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
102      atmospheric model (AIM) to use it ; add a "slab ocean" component.
103    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
104    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
105    o extending useSingleCpuIO option to work with new exch2 I/O format
106      - old-style, missing-tile I/O is still accessible by defining CPP
107        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
108    o monitor package can write to NetCDF files and/or STDOUT
109    o fix re-definition bug in MNC_GRID_INIT_ALL()
110    o doc/api_reference added
111      - a framework for building an API Reference Manual using all
112        the "protex" comments embedded in the code
113      - see pkg/generic_advdiff, pkg/mnc for examples
114    o MNC:
115      - make myThid the last argument for all subroutines
116      - new default for the grid files: NO halos
117      - add useMNC and other run-time flags
118      - separate per-file-group handling of the unlimited dimension
119      - early initialization of MNC w/ flags read at the eeboot stage
120        and lookup tables set in initialize_fixed
121      - write all MNC output to a freshly-created directory
122    o thermodynamics sea-ice (thsice) is now tested with testreport.
123    o test exp. advect_cs: use the standard cs32 grid ; update output.
124    o Added functionality to grdchk:
125      pick global i,j,k position (or nearest wet) where to perform check.
126    
127    checkpoint52l_post
128    o new land formulation:
129      a) use ground enthalpy as prognostic variable to ensure exact
130         energy conservation.
131      b) account for water temperature and for latent heat of freezing
132         in all processes (rain, run-off, ground storage)
133      c) compute surface and ground temperature implicitly.
134    o aim_v23 modification for new land model:
135      a) Treat separately land / ocean / sea-ice surface fluxes
136         to allow implicit computation of land & sea-ice surface temp.
137      b) add snow precipitation.
138    checkpoint52l_pre
139    
140    o fix problem (when 1 tile is empty) in min/max monitor.
141    o fix bug in timeAve (u,vZetatave in common block)
142    o no restoring terms under ice for pkg/seaice
143    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
144    o bug fix for pkg/seaice pickups
145    o change MNC call locations and add coordinate attributes
146    o mask vorticity at the corner ; affects global_ocean.cs output
147    o fix ini_curvilinear_grid ; test CS experiments with mpi
148    o aim.5l_cs: modify sea-ice fraction input file ; update output
149    o exf: Adding simple range check routine for exf fields after read
150    
151    checkpoint52k_post
152    o removed top-level directory "diags"
153      - we migrated these functions to pkg/timeave a long time ago
154    o fixed bug introduced in pkg/monitor
155    o accuracy ctrlprec = 32 insuffient for gradient checks using
156      averaged fields (I/O via cost_averages)
157      -> use ctrl.h in active_file*.F to control I/O precision.
158    o paramter list of CALL ADTHE_MAIN_LOOP
159    o added initial do_the_model_io to ecco
160    o set all ...Freq to zero after cost_final
161      taveFreq, dumpFreq, pChkptFreq
162    o MAIN and ECCO differentiability restored
163    
164    checkpoint52j_post
165    o fix nchklev in tamc.h for global_ocean...
166    o Bringing flow and store directives up-to-date
167    o Really weird thing!
168      call do_the_model_io from the_main_loop with parameters
169      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
170      TAF places a faulty re-call of initialise_varia
171      after cost_final call which should not be there!
172    checkpoint52j_pre
173    
174    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
175      error messages
176    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
177    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
178      debug output
179    o modfied mdsio_writefield.F to handle non-global files under exch2
180    o update AIM Cubed-Sphere exp (aim.5l_cs):
181      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
182    o update AIM Equatorial Channel exp:
183      use standard aim_v23 pkg and change the SST fields to be more realistic.
184    o globalFile now works with exch2
185    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
186      mon_vort3.F to make exch2 friendly with >1 tile per cube face
187    o limit timeave output for hi-res integrations
188    
189    checkpoint52i_post
190    o removed CPP_EEOPTIONS.h from verification/*/code
191    o updated the tiling for global_ocean_pressure
192    checkpoint52i_pre
193    
194    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
195      the old pkg/aim).
196    
197    checkpoint52h_pre
198    o shortened offending lines in exch2_send_rx?.template
199    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
200    o genmake2: add build & execute test for NetCDF code
201    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
202      old grid files, moved CPP_EEMACROS.h to pkg/exch2
203    o added useSingleCPUIO flag to monitor.F and mon_out.F
204    o added temporary hack for sea-ice dynamics on the cube:
205      metric terms are ignored and it is assumed that
206      there is no sea-ice on cube faces 1, 2, 4, and 5.
207    
208    checkpoint52f_post
209    o added exch2 cube routines to pkg/exch2
210    o modified hs94.cs-32x32x5 to use it
211    o added new grid files to hs94.cs-32x32x5
212    checkpoint52f_pre
213    
214    checkpoint52e_post
215    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
216      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
217    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
218      to work with implicit vertical advection and AB ;
219    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
220    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
221     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
222    checkpoint52e_pre
223    
224    o fix bug in impldiff when Nr=1 or Nr=2.
225    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
226    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
227    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
228      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
229    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
230    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
231    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
232    
233    checkpoint52d_post
234    o re-tiled many expts to allow comparison in multi-processor mode
235      - updated output accordingly
236      - changed hs94.128x64x5 to use intial T from file rather than use the
237        random number generator
238    o add infrastructure in model routines for fizhi and gridalt packages
239    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
240    o changes to permit hi-res, cubed-sphere, configuration
241      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
242      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
243      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
244        of surface winds for the cube
245      (A verification experiment, based on global_ocean.cs32x15, but with
246       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
247       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
248       complete with example surface forcing files and matlab scripts to look
249       at the output and compare it with that of global_ocean.cs32x15.)
250    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
251       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
252       to conform to the common rule.
253    o check-in the first version of the coupler + interfaces for multi-components
254       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
255       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
256       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
257       - ocean and atmos. share the same horizontal grid (no interpolation).
258       - exchanges between component and coupler is done in forward_step
259    o new verification experiment, cpl_aim+ocn:
260       coupled ocean - AIM atmosphere on cs32 grid.
261    
262    checkpoint52d_pre
263    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
264    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
265    
266    checkpoint52c_post
267    o Fixing OPTIONS files for use of exf:
268      - ALLOW_ECCO not needed
269      - ECCO_CPPOPTIONS.h should not be included from
270        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
271        as has been the case in the past
272      - All cal/exf related options are currently set in
273        single header file. Should remain so until we
274        agree on a consistent new policy.
275    o Removed all CPP options for cal package.
276      cal has no more CPP options.
277    o modified STOREs in GAD_ADVECTION
278    o corrected key comp. for passkey
279    
280    checkpoint52b_post
281    o new version: "thsice" of thermodynamic sea-ice pkg:
282     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
283     - modify fluxes but do not change theta directly;
284     - light cleaning of bulk_force pkg (still needed with thsice).
285     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
286       + output_thsice.txt to test thsice & bulk_force pkgs.
287    o put back grid & coriolis monitor output.
288    checkpoint52b_pre
289    
290    o call "do_the_model_io" at the beginning (=> dump initial state)
291    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
292    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
293      (need info on NUMBER_OF_PTRACERS)
294    o missing PTRACERS headers in some routines
295    o default tamc.h in pkg/autodiff supposed to crash
296      to ensure proper customization
297    
298    checkpoint52a_post
299    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
300      - moved surfaceTendencyTice from pkg/seaice to main code
301      - subroutine FREEZE_SURFACE now limits only surface temperature
302        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
303        => new output.txt for global_ocean.cs32x15 & global_with_exf
304      - keep the old version of FREEZE for backward compatibility;
305        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
306      - corresponding modifs for TAF directives
307    o added surface flux output variables to TIMEAVE_STATVARS
308    o time-averaged output for pkg/ptracers
309    o fix problem with ECCO-related divided adjoint
310      snapshot file was missing some ad-variables,
311      but no warning issued by TAF
312    
313    checkpoint52a_pre
314    o some bug fixes for #undef REAL4_IS_SLOW
315    
316    checkpoint52 = ecco_c52_e35
317    o after testing adjoints of checkpoint51u_post
318    
319    checkpoint51u_post
320    o this is the post-merge tag of the ecco-branch
321      (needs another clean checkout and re-testing)
322    o various natl_box_adjoint configs and results
323      but no input fields
324    o obcs adjoint not yet merged!
325    o adding ECCO global 1x1 and 2x2 degree configs
326    o updated/extended some store directives for seaice
327    o pkg/ecco now containes ecco-specific part of cost function
328    o top level routines the_main_loop, forward_step
329      supersede those in model/src/
330      previous input data.cost now in data.ecco
331      (new namelist ecco_cost_nml)
332    o in ctrl/ cleaned some cross-dependencies and updated CPP options
333    
334    checkpoint51t_post
335    o this is the pre-merge tag of the ecco-branch
336    
337    checkpoint51s_post
338    o cleanup: removed various obsolete #define-s
339    o pkg/grdchk
340      - renamed 'ph-grd 3' to 'grad-res'
341      - merged from ecco-branch
342        (remaining bug fixes for obcs gradient checks)
343      - additional high-precision output for testreport
344        (grep for 'precision_grdchk_result')
345    
346    checkpoint51r_post
347    o cleaned up or removed CPP_OPTIONS.h files
348    o updated results for some of the tests to reflect the new
349      optfiles (-ieee: -O0 instead of -O3)
350    
351    checkpoint51q_post
352    o cd_code:
353      - moved cd_scheme.F -> cd_code_scheme.F
354      - separate read_checkpoint from cd_code_ini_vars.F
355      - separated cd_code part from write_checkpoint
356      - updated AD_SOURCE, generated .flow
357      - added CD_CODE_VARS.h to the_main_loop
358      - Moving cd_code specific store dir.s to pkg/cd_code
359    o ctrl package totally restructured
360      - pack/unpack now optional and decoupled from
361        xx_/adxx_ I/O
362      - ctrl_pack/unpack cleaned
363        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
364      - confined inclusion of AD_CONFIG.h to where necessary.
365    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
366    
367    checkpoint51p_post
368    o create initial cd_code package
369      - WARNING: the initialization of fields within packages
370        is broken because INI_FIELDS (where READ_CHECKPOINT is
371        called) is called *before* PACKAGES_INIT_VARIABLES.
372        This seems to be backwards since
373        1) its important to initially zero the entire field including
374           the "halo" region
375        2) zeroing needs to be done *before* reading pickup info
376           and the pickup call might or might not happen in any
377           particular run
378      - this needs an overhaul for R2
379    o cleanup verification/*/code/GMREDI_OPTIONS.h
380    o cleanup testreport
381    
382    checkpoint51o_post
383    o bringing AD-related verif's up to date with genmake2
384      - carbon/
385      - global_ocean.90x40x15/
386      - hs.94.1x64x5/
387      - (front_relax/ )
388    o (more) consistent directory structure for AD-related verif.'s
389    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
390    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
391    o bug fix in find_alpha.F for MDJWF:
392      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
393        change rho -> rho-rhoConst
394      - replace call find_rho to find_rhonum
395    o initialisation of rFlx extended to full array (required by TAF)
396      and shifted to thermodynamics
397    o removed PTRACERS.h in ptracers routine
398    o added surfacetendencyPtr to S/R parameter list pracers_forcing
399    o Correcting initialisations for fVerU, fVerV.
400    o helping TAF to recognize dependency on kUp for
401      fVerU, fVerV
402    o Replacing delZ by delR in pkg/ctrl/
403    checkpoint51o_pre
404    
405    o undid all of cp51 pending some cleanups and discussion
406    o added the [#include "AD_CONFIG.h"] statement to all files that need
407       it for adjoint/tl #defines
408     o re-worked the build logic in genmake2 to support AD_CONFIG.h
409     o removed tools/genmake since it no longer works
410    
411    checkpoint51n_post
412    o modifications to make FREEZE flux visible to pkg/kpp
413      - moved surfaceTendencyTice from pkg/seaice to main code
414      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
415      - subroutine FREEZE now limits only surface temperature
416        (this means new output.txt for global_ocean.90x40x15,
417         global_ocean.cs32x15, and global_with_exf)
418    o added surface flux output variables to TIMEAVE_STATVARS
419    
420    checkpoint51n_pre
421    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
422    o added [#include "AD_CONFIG.h"] to all files that use the following
423      defines:
424      - ALLOW_ADJOINT_RUN
425      - ALLOW_TANGENTLINEAR_RUN
426      - ALLOW_ECCO_OPTIMIZATION
427    
428    checkpoint51m_post
429    o incorporating changes to get TAMC/TAF working in genmake2
430      - added new TAMC/TAF targets to the Makefile
431      - various cleanups related to package handling
432      - these changes should have no impact on the forward model
433    
434    checkpoint51l_post
435    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
436     - faster algorithm for cal_addtime.F
437     - higher precision arithmetic, where needed
438     - pkg/exf *startdate variables changed from calendar date to
439       model integration time
440    
441    checkpoint51l_pre
442    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
443    o enable to apply restoring on S & T only in a latitude band.
444    o update output (external_forcing_surf modif. change truncation errors)
445       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
446    
447    checkpoint51k_post
448    o change default to: useNHMTerms=.FALSE.
449     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
450       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
451     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
452        exp1, ideal_2D_oce
453     - change data file of oceanic exp (leave the results unchanged for now)
454       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
455    o set gravitySign automatically according to the vertical coordinate used
456      (and change sign: back to "logical" value: +1 when R increases downward)
457    o added an include barrier to the default CPP_OPTIONS.h and
458      removed the #include "PACKAGES_CONFIG.h" from it
459    o fix a bug in mom_fluxform (from chk51j_post)
460    
461    checkpoint51j_post
462    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
463    o adjusted some flow directives (dynamics, thermodynamics)
464    o added cubed-sphere case to test cost function
465    o heckpoint_lev?_directives.h now include
466      pkg-specific directives, whenever those are enabled.
467    o Moving pkg-specific flow directives to corresponding pkg
468      Moving pkg-specific differentiation list to corresponding pkg
469      Moving pkg-specific checkpoint-lev storing to corresponding pkg
470      ---> conventions are
471           - pkg_ad.flow
472           - pkg_ad_diff.list
473           - pkg_ad_check_lev?_dir.h
474    
475    checkpoint51i_post
476    o merge of the branch-genmake2
477      - knowingly breaks the older genmake
478      - automatic generation of all ALLOW_${PKG_NAME} defines
479      - new testreport supersedes older testscript
480    o large number of package inclusion and header cleanups
481    checkpoint51i_pre
482    
483    o new output for adjoin of global ocean vector invariant
484    o fix for checkpoint of thermodynamic seaice and bulk_force
485    o Steph gchem various cleanups
486    
487    checkpoint 51h_pre
488    o fixed some single quotes
489    o modify gchem pkg to be more versatile
490    o modifications to clean up dic pkg
491    o add pkg/cfc
492    
493    checkpoint51g_post
494    o provide links for ARPACK and ADM*TLM
495    o start removing verification/vero/
496    o update AD-related stuff
497      (in particular some IF-statements in model/src/ routines)
498    o adding to verification/global_ocean.90x40x15/ adjoint of
499      vector invariant setup
500    
501    checkpoint51f_post
502    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
503    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
504      of tracer Green's fucntions for ocean inversion project.
505    
506    checkpoint51f_pre
507    o Added on-the-fly spatial interpolation capability
508        "USE_EXF_INTERPOLATION" to pkg/exf.
509      - This is a temporary Cartesian-grid hack until
510        the super-duper ESMF coupler becomes available.
511      - See verification/global_with_exf/README for usage example.
512      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
513        flags and modified pkg/seaice accordingly.
514    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
515        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
516        non-local transport term.
517    
518    checkpoint51e_post
519    o pkg/mom_vecinv:
520      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
521      - add time-ave diagnostic of vorticity advection.
522    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
523    o atmospheric geopotential: - include water vapor effect;
524                                - use p^kappa in p* scaling.
525    o land pkg: read initial state from files.
526    o AIM : add stratospheric drag in the upper level
527    
528    checkpoint51d_post
529    o change function ILNBLNK (=> last non-blank char.) to return zero
530      (instead of the string length) when the string. char is empty
531    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
532    o modif's to restore TAMC compatibility
533      - avoid "_d" constructs in PARAMETER declarations
534      - avoid interrupting lines by comment lines
535    o Use cluster local disks for purely local I/O
536      vs. globally visible disks needed for ctrl stuff
537      (merged from ecco-branch)
538      - new active_file_loc... and mdsio_..._loc routines
539      - affected packages: autodiff, ctrl, grdchk, mdsio
540    
541    checkpoint51c_post
542    o introducing integer flag debugLevel
543      - debLevZero: suppress all output
544      - debLevA: standard
545      - debLevB: equivalent to current debugMode=.TRUE.
546    o introducing pathname variable mdsioLocalDir for mdsio
547      that can be specified at runtime
548      (relevant for cluster I/O to local disk)
549    `
550    >>>checkpoint51b_post
551    adjoint of ptracers
552    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
553    o extended state in checkpoint_lev?, etc.
554    o alternative ctrl/cost with tr1 or ptracer
555    o new comlev1_bibj_ptracers
556    o new ptracers.flow
557    o made ptracers_forcing same as external_forcing_s
558    o added verification for adjoint with ptracers
559      - adm. grdchk fail so far
560      - tlm. grdchk OK
561      - checked tapelev/comlev recomputations: OK
562    <<<checkpoint51b_pre
563    
564    checkpoint51a_post
565    o added code for biogeochemistry package
566      - new pkgs: dic, gchem
567      - new subroutine in ptracers
568    o modify code for biogeo packages
569      - in model/src and pkg/ptracers
570    
571    checkpoint51
572    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
573      - autodiff, ctrl, exf, grdchk, seaice
574      kept separate packages
575      - cost, ecco, obcs
576    o updating verification/internal_wave, verification/lab_sea
577      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
578    
579    checkpoint50i_post
580    o Preparing next differentiable checkpoint and sync
581      of MAIN vs. ecco-branch
582      - 1st step: this one is differentiable
583      - 2nd step: next(! not this) checkpoint will have updated packages
584                  from ecco-branch)
585    
586    checkpoint50h_post
587    o new package "land": provide surface BC for AIM.
588    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
589    o AIM: use true log-P extrapolation for near surface temp (= as in
590        F.Molteni paper) ; update aim.5l_cs output.
591    o New variable in PARM03 for more flexible pickups
592    o somewhat cleaned package initialisation sequence for
593      ctrl/ cost/ ecco/ in packages_... routines
594    
595    checkpoint50g_post
596    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
597      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
598      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
599        made the default because of faster convergence than ADI
600    
601    checkpoint50f_post
602    o exf totally restructured
603      - replaced all exf_set_ routines by one generic exf_set_gen.F
604        and made sure it's still differentiable
605      - split exf_getffields.F into new exf_bulkformulae.F
606      - exf_inscal_/exf_outscal_ suffixes consistent with field names
607      - updated adjoint/makefile and relevant verif. accordingly
608    
609    checkpoint50f_pre
610     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
611          + change Evap over land. (update aim.5l_cs output)
612     o added missing .cvsignores and made uniform across expts
613     o changed configuration of tidal_basin_2d expt
614     o added pkg/debug functions for tracing code in fatal crashes
615     o tidied pkg/monitor to use MONITOR_OPTIONS.h
616     o new fn in pkg/monitor to stop model if solution grows too big
617     o removed lots of single quotes from comments
618    
619    checkpoint50e_post
620    o make KPP work with PTRACERS
621     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
622       nearly a copy of kpp_transport_s
623     - there is no analogue to SurfaceTendencyS, so I have to use
624       gPtr(of the surface layer) instead
625    o add a new platform SunFire+mpi (SunFire 15000) to genmake
626    checkpoint50e_pre
627    
628    checkpoint50d_post
629    o change kpp output from multiple-record state files to single-record state
630      files analogous to write_state.F
631    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
632      analogous to the cg2d-related output.
633    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
634      so that writing to internal file fn (with length 512) fails.
635    checkpoint50d_pre
636    
637    checkpoint50c_post
638    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
639    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
640    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
641    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
642    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
643    
644    checkpoint50c_pre
645    Merging from release1_p13:
646    o bug fix for pkg/seaice dynamic solver
647    o Added SEAICE_initialHEFF to pkg/seaice
648    
649    checkpoint50b_post
650    o store u*,v* in gU,V instead of in guNm1,gvNm1
651    o in order to put the momForcing out of the Adams-Bashforth:
652      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
653      to timestep.F
654    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
655    o re-generate output for highly sensitive test-exp:
656       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
657    
658    checkpoint50b_pre
659    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
660    o corrected CPP option mismatch in exf_Bulk... functions for case
661      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
662    
663    checkpoint50a_post
664    o Bug fix for merging between c50 and KPP.
665      ikey was passed from thermodynamics to kpp_calc via
666      common block rather than being recomputed in kpp_calc,
667      in contradiction with new key itdkey.
668      New key ikppkey created, and tamc.h headers updated.
669    
670    checkpoint50
671    - 2nd step of merge with ecco-branch:
672      merge changes in ecco-branch back into main trunk
673    - bug fix in find_alpha
674    - more storing in gmredi_calc_tensor.F, kpp_routines.F
675    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
676    - merged some sliced AD support routines
677    
678    checkpoint49
679    merged from ecco-branch:
680    o exf:
681      - Enable initialisation of forcing fields to constant
682        (runtime) values.
683      - in exf_getffields.F
684        Reduce i-/j-loop to interior domain, discarding overlaps.
685        That also fixes wrong TAF-key computations for key_1, key_2
686        with bulf formulae.
687      - exf_init.F modify #ifdef for exf_init_evap
688      - exf_getffieldrec.F, ctrl_getrec.F
689        The following INT-usages are not safe:
690          fldsecs  = int(fldsecs/fldperiod)*fldperiod
691          fldcount = int(fldsecs/fldperiod) + 1
692        and were modified.
693    o autodiff: checkpoint_lev...
694      - updated storing for bulk formulae (some arrays were missing)
695      - added state for seaice package
696      - synchronized with main branch
697    o DIVA:
698      Modif.s in
699      - the_main_loop.F
700      - the_model_main.F
701      and added cost_final_restore.F cost_final_store.F
702      o With these changes, it is possible to fully separate
703        the first forward run to compute the cost function (mdthe_main_loop)
704        and adjoint runs over individual DIVA intervals (adthe_main_loop)
705        into separate model executions.
706        This enables better tuning of DIVA to given queue sizes.
707      o Loss of cost function value in consecutive DIVA runs is
708        fixed by storing to 'costfinal' file.
709      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
710        beginning/end of adjoint integration is accounted for.
711      The current changes apply to TAF-1.4.26.
712      TAF has one remaining bug, requiring one manual change
713      (see MITgcm manual).
714    o cal: synchronized between MAIN and ecco-branch
715    
716    checkpoint48i_post
717    o Changes to restore differentiability of code w.r.t. previous tag
718      (mostly adding new routines to make list and replacing
719      pressure by totPhiHyd).
720    o Updated and merged grdchk package
721      - has both ADM and TLM checks
722      - works for single- and multi-proc.
723      - output cleaned
724      - worked successfully for parallel DIVA
725    o genmake:
726      - Adding -platform=SP4
727      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
728    o Modif. for DIVA:
729      ctrl_unpack should not be called in intermediate DIVA interval.
730      (similar thing would apply for active files such as
731      tbar, sbar, psbar, which should not be reinitialised;
732      only relevant for ecco-branch)
733    
734    checkpoint48h_post
735    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
736    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
737    o Added SEAICE_initialHEFF to pkg/seaice
738    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
739    
740    checkpoint48g_post
741    --- EOS:
742    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
743      store total Potential in totPhyHyd for diagnostics & EOS.
744    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
745    --- Pressure/geopotential gradient:
746    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
747    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
748      ( changes results of global_ocean_pressure )
749    o NLFS + z-coord.: add eta*Rho' contribution.
750    o accurate phiHyd when using interface-W at the middle between 2 centers
751     ( changes results of ideal_2D_oce )
752    o includes r* 2nd term in potential gradient.
753    
754    checkpoint48f_post
755    Merging from release1_p12:
756    o Modifications for using pkg/exf with pkg/seaice
757      - improved description of the various forcing configurations
758      - added basic radiation bulk formulae to pkg/exf
759      - units/sign fix for evap computation in exf_getffields.F
760      - updated verification/global_with_exf/results/output.txt
761    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
762      (SBO) core products, including oceanic mass, center-of-mass,
763      angular, and bottom pressure (see pkg/sbo/README.sbo).
764    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
765      to avoid negative values in shallow regions.
766      - updated verification/natl_box/results/output.txt
767      - updated verification/lab_sea/results/output.txt
768    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
769    o Added useSingleCpuIO option (see PARAMS.h).
770    o Updated useSingleCpuIO option in mdsio_writefield.F to
771      work with multi-field files, e.g., for single-file pickup.
772    o pkg/seaice:
773      - bug fix in growth.F: QNET for no shortwave case
774      - added HeffFile for specifying initial sea-ice thickness
775      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
776    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
777      kpp_transport_t.F, forward_step.F, and the_main_loop.F
778    o pkg/seaice:
779      - adjoint-friendly modifications
780      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
781    
782    checkpoint48e_post
783    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
784    o dynamics: change definition of computational domain & adapt mom_fluxform
785      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
786    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
787        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
788        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
789        global_ocean.90x40x15 global_with_exf global_ocean_pressure
790        inverted_barometer solid-body.cs-32x32x1
791      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
792    
793    checkpoint48d_post
794    o in preparation for r*:
795     a) use pre-computed gradient of hydrostatic potential:
796        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
797     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
798        => affects results of glob_oce_pressure (different truncation error)  
799      update output.txt of ideal_2D_oce & global_ocean_pressure
800    
801    checkpoint48d_pre
802    o in preparation for r*:
803      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
804      pass the 2 comp. of the grad. as arguments to momentum S/R.
805      but for the moment, only used if it does not change the results.
806    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
807    
808    checkpoint48c_post
809    Modifications in treatment of initial flux forcing controls
810    to avoid extra storing of flux fields.
811    
812    checkpoint48c_pre
813    o Added tidal_basin_2d experiment (currently 1D!)
814    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
815    
816  checkpoint48b_post  checkpoint48b_post
817  o r* coordinate added in #ifdef NONLIN_FRSURF block.  o r* coordinate added in #ifdef NONLIN_FRSURF block.
818   (modification to pressure gradient not yet implemented)   (modification to pressure gradient not yet implemented)

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