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revision 1.124 by jmc, Sun Jan 26 21:38:04 2003 UTC revision 1.299 by jmc, Fri May 21 21:13:34 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 new version of coupler for AIM+thSIce and Ocean models
7     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
8     - land: change Evaporation of snow
9     - aim with thSIce: fix bug in snow-precip.
10    o changes to calc_gw.F
11     - bug fix for w^2 term near the bottom boundary
12     - (hopefully) improve the lateral slip boundary condtions for use with
13        partial/looped cells
14      - because the bug fix changes two verification experiments anyway (exp5
15        and plume on slope), change the lateral boundary condition from half slip
16        to the value of no_slip_sides
17    o ebm package wasnt quite up to the parallel task. Fixed that.
18    
19    checkpoint53b_post
20    o Commiting new energy balance model to repository
21      * package is pkg/ebm
22      * verif. is verification/global_ocean_ebm
23      * references are in ebm_driver.F
24    C      * X. Wang, P. Stone and J. Marotzke, 1999:
25    C        Global thermohaline circulation. Part I:
26    C        Sensitivity to atmospheric moisture transport.
27    C        J. Climate 12(1), 71-82
28    C      * X. Wang, P. Stone and J. Marotzke, 1999:
29    C        Global thermohaline circulation. Part II:
30    C        Sensitivity with interactive transport.
31    C        J. Climate 12(1), 83-91
32    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
33    C        Destabilization of the thermohaline circulation
34    C        by atmospheric eddy transports.
35    C        J. Climate 7(12), 1870-1882
36    o Will need long integration testing.
37    checkpoint53b_pre
38    
39    o created pkg/mom_common in preparation for variable viscosity code
40    o renamed and split ini_mnc_io
41    o pkg/land: only liquid water can diffuse or run-off
42    o AIM using land: soil wetness availability account for snow
43    o added printMapIncludesZeros to EEPARMS namelist
44    
45    checkpoint53a_post
46    o restore TAMC compatiility for exf_constants.h
47      (no usage of _d in .h)
48    o Additional storing in KPP in an attempt to fix
49      TAMC problem with adjoint of KPP code.
50      (no success...)
51      Identical code works fine with TAF.
52    o Fixed verification/natl_box_adjoint experiments.
53      Initial conditions for Experiments 4 and 5 are now
54      set to "SEAICE_initialHEFF=0", which is more reasonable,
55      and hence gives results closer to that of Experiment 2.
56      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
57    
58    checkpoint53
59    o stable checkpoint with up to date adjoint
60      TLM tests only run for 1st grdchk at the moment. Its unclear if
61      this is a code problem or a problem with resetting code for g_
62      variables that is being autogenerated wrong.
63      Otherwise:
64       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
65       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
66         are both still in chaos following their security messes.
67    
68    checkpoint52n_post
69    o various build (mostly genmake2) changes including:
70      - ability to build/run more easily within Cygwin and MacOS X
71      - more complicated Makefiles with a stronger dependence on Gnu Make
72    o pkg/seaice modifications
73      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
74        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
75        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
76      - changed proxy for geostrophic velocity and updated
77        verification/lab_sea/results/* accordingly
78      - removed ADI dynamic solver from pkg/seaice
79      - replaced all occurrences of 1/CSTICE or 1/CSUICE
80        they caused a segmentation fault under certain circumstances
81      - removed unused field WATR
82    o bug fix in exf-package:
83      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
84         now reflect that.
85    o small fixes in the cal-package:
86      - set reference date to first of January for the 'model'-calendar
87      - failing of cal_CheckDate in cal_FullDate now actually results in a
88        warning
89    o small modifications in exf-package to increase flexibility:
90      - change climtempfreeze from a constant to a runtime parameter that
91        is specified in data.exf_clim (default = -1.9)
92      - introduce runtime parameter windstressmax (default = 2.0) that is
93        specified in data.exf
94    o fix in pkg/thsice:
95      - update Evap (Tsf changes) to be consistent with Latent heat flux
96      - maintain snow precipitation unchanged (even if Tsf >=0).
97     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
98    
99    checkpoint52m_post
100    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
101      this does not change any of the results, because myIter=0 in swfrac always
102      lead to jwtype=2 (the default anyway), but the call makes little sense
103      as a default
104    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
105    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
106      atmospheric model (AIM) to use it ; add a "slab ocean" component.
107    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
108    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
109    o extending useSingleCpuIO option to work with new exch2 I/O format
110      - old-style, missing-tile I/O is still accessible by defining CPP
111        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
112    o monitor package can write to NetCDF files and/or STDOUT
113    o fix re-definition bug in MNC_GRID_INIT_ALL()
114    o doc/api_reference added
115      - a framework for building an API Reference Manual using all
116        the "protex" comments embedded in the code
117      - see pkg/generic_advdiff, pkg/mnc for examples
118    o MNC:
119      - make myThid the last argument for all subroutines
120      - new default for the grid files: NO halos
121      - add useMNC and other run-time flags
122      - separate per-file-group handling of the unlimited dimension
123      - early initialization of MNC w/ flags read at the eeboot stage
124        and lookup tables set in initialize_fixed
125      - write all MNC output to a freshly-created directory
126    o thermodynamics sea-ice (thsice) is now tested with testreport.
127    o test exp. advect_cs: use the standard cs32 grid ; update output.
128    o Added functionality to grdchk:
129      pick global i,j,k position (or nearest wet) where to perform check.
130    
131    checkpoint52l_post
132    o new land formulation:
133      a) use ground enthalpy as prognostic variable to ensure exact
134         energy conservation.
135      b) account for water temperature and for latent heat of freezing
136         in all processes (rain, run-off, ground storage)
137      c) compute surface and ground temperature implicitly.
138    o aim_v23 modification for new land model:
139      a) Treat separately land / ocean / sea-ice surface fluxes
140         to allow implicit computation of land & sea-ice surface temp.
141      b) add snow precipitation.
142    checkpoint52l_pre
143    
144    o fix problem (when 1 tile is empty) in min/max monitor.
145    o fix bug in timeAve (u,vZetatave in common block)
146    o no restoring terms under ice for pkg/seaice
147    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
148    o bug fix for pkg/seaice pickups
149    o change MNC call locations and add coordinate attributes
150    o mask vorticity at the corner ; affects global_ocean.cs output
151    o fix ini_curvilinear_grid ; test CS experiments with mpi
152    o aim.5l_cs: modify sea-ice fraction input file ; update output
153    o exf: Adding simple range check routine for exf fields after read
154    
155    checkpoint52k_post
156    o removed top-level directory "diags"
157      - we migrated these functions to pkg/timeave a long time ago
158    o fixed bug introduced in pkg/monitor
159    o accuracy ctrlprec = 32 insuffient for gradient checks using
160      averaged fields (I/O via cost_averages)
161      -> use ctrl.h in active_file*.F to control I/O precision.
162    o paramter list of CALL ADTHE_MAIN_LOOP
163    o added initial do_the_model_io to ecco
164    o set all ...Freq to zero after cost_final
165      taveFreq, dumpFreq, pChkptFreq
166    o MAIN and ECCO differentiability restored
167    
168    checkpoint52j_post
169    o fix nchklev in tamc.h for global_ocean...
170    o Bringing flow and store directives up-to-date
171    o Really weird thing!
172      call do_the_model_io from the_main_loop with parameters
173      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
174      TAF places a faulty re-call of initialise_varia
175      after cost_final call which should not be there!
176    checkpoint52j_pre
177    
178    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
179      error messages
180    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
181    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
182      debug output
183    o modfied mdsio_writefield.F to handle non-global files under exch2
184    o update AIM Cubed-Sphere exp (aim.5l_cs):
185      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
186    o update AIM Equatorial Channel exp:
187      use standard aim_v23 pkg and change the SST fields to be more realistic.
188    o globalFile now works with exch2
189    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
190      mon_vort3.F to make exch2 friendly with >1 tile per cube face
191    o limit timeave output for hi-res integrations
192    
193    checkpoint52i_post
194    o removed CPP_EEOPTIONS.h from verification/*/code
195    o updated the tiling for global_ocean_pressure
196    checkpoint52i_pre
197    
198    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
199      the old pkg/aim).
200    
201    checkpoint52h_pre
202    o shortened offending lines in exch2_send_rx?.template
203    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
204    o genmake2: add build & execute test for NetCDF code
205    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
206      old grid files, moved CPP_EEMACROS.h to pkg/exch2
207    o added useSingleCPUIO flag to monitor.F and mon_out.F
208    o added temporary hack for sea-ice dynamics on the cube:
209      metric terms are ignored and it is assumed that
210      there is no sea-ice on cube faces 1, 2, 4, and 5.
211    
212    checkpoint52f_post
213    o added exch2 cube routines to pkg/exch2
214    o modified hs94.cs-32x32x5 to use it
215    o added new grid files to hs94.cs-32x32x5
216    checkpoint52f_pre
217    
218    checkpoint52e_post
219    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
220      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
221    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
222      to work with implicit vertical advection and AB ;
223    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
224    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
225     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
226    checkpoint52e_pre
227    
228    o fix bug in impldiff when Nr=1 or Nr=2.
229    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
230    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
231    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
232      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
233    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
234    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
235    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
236    
237    checkpoint52d_post
238    o re-tiled many expts to allow comparison in multi-processor mode
239      - updated output accordingly
240      - changed hs94.128x64x5 to use intial T from file rather than use the
241        random number generator
242    o add infrastructure in model routines for fizhi and gridalt packages
243    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
244    o changes to permit hi-res, cubed-sphere, configuration
245      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
246      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
247      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
248        of surface winds for the cube
249      (A verification experiment, based on global_ocean.cs32x15, but with
250       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
251       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
252       complete with example surface forcing files and matlab scripts to look
253       at the output and compare it with that of global_ocean.cs32x15.)
254    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
255       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
256       to conform to the common rule.
257    o check-in the first version of the coupler + interfaces for multi-components
258       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
259       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
260       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
261       - ocean and atmos. share the same horizontal grid (no interpolation).
262       - exchanges between component and coupler is done in forward_step
263    o new verification experiment, cpl_aim+ocn:
264       coupled ocean - AIM atmosphere on cs32 grid.
265    
266    checkpoint52d_pre
267    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
268    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
269    
270    checkpoint52c_post
271    o Fixing OPTIONS files for use of exf:
272      - ALLOW_ECCO not needed
273      - ECCO_CPPOPTIONS.h should not be included from
274        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
275        as has been the case in the past
276      - All cal/exf related options are currently set in
277        single header file. Should remain so until we
278        agree on a consistent new policy.
279    o Removed all CPP options for cal package.
280      cal has no more CPP options.
281    o modified STOREs in GAD_ADVECTION
282    o corrected key comp. for passkey
283    
284    checkpoint52b_post
285    o new version: "thsice" of thermodynamic sea-ice pkg:
286     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
287     - modify fluxes but do not change theta directly;
288     - light cleaning of bulk_force pkg (still needed with thsice).
289     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
290       + output_thsice.txt to test thsice & bulk_force pkgs.
291    o put back grid & coriolis monitor output.
292    checkpoint52b_pre
293    
294    o call "do_the_model_io" at the beginning (=> dump initial state)
295    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
296    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
297      (need info on NUMBER_OF_PTRACERS)
298    o missing PTRACERS headers in some routines
299    o default tamc.h in pkg/autodiff supposed to crash
300      to ensure proper customization
301    
302    checkpoint52a_post
303    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
304      - moved surfaceTendencyTice from pkg/seaice to main code
305      - subroutine FREEZE_SURFACE now limits only surface temperature
306        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
307        => new output.txt for global_ocean.cs32x15 & global_with_exf
308      - keep the old version of FREEZE for backward compatibility;
309        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
310      - corresponding modifs for TAF directives
311    o added surface flux output variables to TIMEAVE_STATVARS
312    o time-averaged output for pkg/ptracers
313    o fix problem with ECCO-related divided adjoint
314      snapshot file was missing some ad-variables,
315      but no warning issued by TAF
316    
317    checkpoint52a_pre
318    o some bug fixes for #undef REAL4_IS_SLOW
319    
320    checkpoint52 = ecco_c52_e35
321    o after testing adjoints of checkpoint51u_post
322    
323    checkpoint51u_post
324    o this is the post-merge tag of the ecco-branch
325      (needs another clean checkout and re-testing)
326    o various natl_box_adjoint configs and results
327      but no input fields
328    o obcs adjoint not yet merged!
329    o adding ECCO global 1x1 and 2x2 degree configs
330    o updated/extended some store directives for seaice
331    o pkg/ecco now containes ecco-specific part of cost function
332    o top level routines the_main_loop, forward_step
333      supersede those in model/src/
334      previous input data.cost now in data.ecco
335      (new namelist ecco_cost_nml)
336    o in ctrl/ cleaned some cross-dependencies and updated CPP options
337    
338    checkpoint51t_post
339    o this is the pre-merge tag of the ecco-branch
340    
341    checkpoint51s_post
342    o cleanup: removed various obsolete #define-s
343    o pkg/grdchk
344      - renamed 'ph-grd 3' to 'grad-res'
345      - merged from ecco-branch
346        (remaining bug fixes for obcs gradient checks)
347      - additional high-precision output for testreport
348        (grep for 'precision_grdchk_result')
349    
350    checkpoint51r_post
351    o cleaned up or removed CPP_OPTIONS.h files
352    o updated results for some of the tests to reflect the new
353      optfiles (-ieee: -O0 instead of -O3)
354    
355    checkpoint51q_post
356    o cd_code:
357      - moved cd_scheme.F -> cd_code_scheme.F
358      - separate read_checkpoint from cd_code_ini_vars.F
359      - separated cd_code part from write_checkpoint
360      - updated AD_SOURCE, generated .flow
361      - added CD_CODE_VARS.h to the_main_loop
362      - Moving cd_code specific store dir.s to pkg/cd_code
363    o ctrl package totally restructured
364      - pack/unpack now optional and decoupled from
365        xx_/adxx_ I/O
366      - ctrl_pack/unpack cleaned
367        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
368      - confined inclusion of AD_CONFIG.h to where necessary.
369    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
370    
371    checkpoint51p_post
372    o create initial cd_code package
373      - WARNING: the initialization of fields within packages
374        is broken because INI_FIELDS (where READ_CHECKPOINT is
375        called) is called *before* PACKAGES_INIT_VARIABLES.
376        This seems to be backwards since
377        1) its important to initially zero the entire field including
378           the "halo" region
379        2) zeroing needs to be done *before* reading pickup info
380           and the pickup call might or might not happen in any
381           particular run
382      - this needs an overhaul for R2
383    o cleanup verification/*/code/GMREDI_OPTIONS.h
384    o cleanup testreport
385    
386    checkpoint51o_post
387    o bringing AD-related verif's up to date with genmake2
388      - carbon/
389      - global_ocean.90x40x15/
390      - hs.94.1x64x5/
391      - (front_relax/ )
392    o (more) consistent directory structure for AD-related verif.'s
393    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
394    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
395    o bug fix in find_alpha.F for MDJWF:
396      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
397        change rho -> rho-rhoConst
398      - replace call find_rho to find_rhonum
399    o initialisation of rFlx extended to full array (required by TAF)
400      and shifted to thermodynamics
401    o removed PTRACERS.h in ptracers routine
402    o added surfacetendencyPtr to S/R parameter list pracers_forcing
403    o Correcting initialisations for fVerU, fVerV.
404    o helping TAF to recognize dependency on kUp for
405      fVerU, fVerV
406    o Replacing delZ by delR in pkg/ctrl/
407    checkpoint51o_pre
408    
409    o undid all of cp51 pending some cleanups and discussion
410    o added the [#include "AD_CONFIG.h"] statement to all files that need
411       it for adjoint/tl #defines
412     o re-worked the build logic in genmake2 to support AD_CONFIG.h
413     o removed tools/genmake since it no longer works
414    
415    checkpoint51n_post
416    o modifications to make FREEZE flux visible to pkg/kpp
417      - moved surfaceTendencyTice from pkg/seaice to main code
418      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
419      - subroutine FREEZE now limits only surface temperature
420        (this means new output.txt for global_ocean.90x40x15,
421         global_ocean.cs32x15, and global_with_exf)
422    o added surface flux output variables to TIMEAVE_STATVARS
423    
424    checkpoint51n_pre
425    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
426    o added [#include "AD_CONFIG.h"] to all files that use the following
427      defines:
428      - ALLOW_ADJOINT_RUN
429      - ALLOW_TANGENTLINEAR_RUN
430      - ALLOW_ECCO_OPTIMIZATION
431    
432    checkpoint51m_post
433    o incorporating changes to get TAMC/TAF working in genmake2
434      - added new TAMC/TAF targets to the Makefile
435      - various cleanups related to package handling
436      - these changes should have no impact on the forward model
437    
438    checkpoint51l_post
439    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
440     - faster algorithm for cal_addtime.F
441     - higher precision arithmetic, where needed
442     - pkg/exf *startdate variables changed from calendar date to
443       model integration time
444    
445    checkpoint51l_pre
446    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
447    o enable to apply restoring on S & T only in a latitude band.
448    o update output (external_forcing_surf modif. change truncation errors)
449       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
450    
451    checkpoint51k_post
452    o change default to: useNHMTerms=.FALSE.
453     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
454       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
455     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
456        exp1, ideal_2D_oce
457     - change data file of oceanic exp (leave the results unchanged for now)
458       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
459    o set gravitySign automatically according to the vertical coordinate used
460      (and change sign: back to "logical" value: +1 when R increases downward)
461    o added an include barrier to the default CPP_OPTIONS.h and
462      removed the #include "PACKAGES_CONFIG.h" from it
463    o fix a bug in mom_fluxform (from chk51j_post)
464    
465    checkpoint51j_post
466    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
467    o adjusted some flow directives (dynamics, thermodynamics)
468    o added cubed-sphere case to test cost function
469    o heckpoint_lev?_directives.h now include
470      pkg-specific directives, whenever those are enabled.
471    o Moving pkg-specific flow directives to corresponding pkg
472      Moving pkg-specific differentiation list to corresponding pkg
473      Moving pkg-specific checkpoint-lev storing to corresponding pkg
474      ---> conventions are
475           - pkg_ad.flow
476           - pkg_ad_diff.list
477           - pkg_ad_check_lev?_dir.h
478    
479    checkpoint51i_post
480    o merge of the branch-genmake2
481      - knowingly breaks the older genmake
482      - automatic generation of all ALLOW_${PKG_NAME} defines
483      - new testreport supersedes older testscript
484    o large number of package inclusion and header cleanups
485    checkpoint51i_pre
486    
487    o new output for adjoin of global ocean vector invariant
488    o fix for checkpoint of thermodynamic seaice and bulk_force
489    o Steph gchem various cleanups
490    
491    checkpoint 51h_pre
492    o fixed some single quotes
493    o modify gchem pkg to be more versatile
494    o modifications to clean up dic pkg
495    o add pkg/cfc
496    
497    checkpoint51g_post
498    o provide links for ARPACK and ADM*TLM
499    o start removing verification/vero/
500    o update AD-related stuff
501      (in particular some IF-statements in model/src/ routines)
502    o adding to verification/global_ocean.90x40x15/ adjoint of
503      vector invariant setup
504    
505    checkpoint51f_post
506    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
507    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
508      of tracer Green's fucntions for ocean inversion project.
509    
510    checkpoint51f_pre
511    o Added on-the-fly spatial interpolation capability
512        "USE_EXF_INTERPOLATION" to pkg/exf.
513      - This is a temporary Cartesian-grid hack until
514        the super-duper ESMF coupler becomes available.
515      - See verification/global_with_exf/README for usage example.
516      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
517        flags and modified pkg/seaice accordingly.
518    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
519        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
520        non-local transport term.
521    
522    checkpoint51e_post
523    o pkg/mom_vecinv:
524      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
525      - add time-ave diagnostic of vorticity advection.
526    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
527    o atmospheric geopotential: - include water vapor effect;
528                                - use p^kappa in p* scaling.
529    o land pkg: read initial state from files.
530    o AIM : add stratospheric drag in the upper level
531    
532    checkpoint51d_post
533    o change function ILNBLNK (=> last non-blank char.) to return zero
534      (instead of the string length) when the string. char is empty
535    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
536    o modif's to restore TAMC compatibility
537      - avoid "_d" constructs in PARAMETER declarations
538      - avoid interrupting lines by comment lines
539    o Use cluster local disks for purely local I/O
540      vs. globally visible disks needed for ctrl stuff
541      (merged from ecco-branch)
542      - new active_file_loc... and mdsio_..._loc routines
543      - affected packages: autodiff, ctrl, grdchk, mdsio
544    
545    checkpoint51c_post
546    o introducing integer flag debugLevel
547      - debLevZero: suppress all output
548      - debLevA: standard
549      - debLevB: equivalent to current debugMode=.TRUE.
550    o introducing pathname variable mdsioLocalDir for mdsio
551      that can be specified at runtime
552      (relevant for cluster I/O to local disk)
553    `
554    >>>checkpoint51b_post
555    adjoint of ptracers
556    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
557    o extended state in checkpoint_lev?, etc.
558    o alternative ctrl/cost with tr1 or ptracer
559    o new comlev1_bibj_ptracers
560    o new ptracers.flow
561    o made ptracers_forcing same as external_forcing_s
562    o added verification for adjoint with ptracers
563      - adm. grdchk fail so far
564      - tlm. grdchk OK
565      - checked tapelev/comlev recomputations: OK
566    <<<checkpoint51b_pre
567    
568    checkpoint51a_post
569    o added code for biogeochemistry package
570      - new pkgs: dic, gchem
571      - new subroutine in ptracers
572    o modify code for biogeo packages
573      - in model/src and pkg/ptracers
574    
575    checkpoint51
576    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
577      - autodiff, ctrl, exf, grdchk, seaice
578      kept separate packages
579      - cost, ecco, obcs
580    o updating verification/internal_wave, verification/lab_sea
581      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
582    
583    checkpoint50i_post
584    o Preparing next differentiable checkpoint and sync
585      of MAIN vs. ecco-branch
586      - 1st step: this one is differentiable
587      - 2nd step: next(! not this) checkpoint will have updated packages
588                  from ecco-branch)
589    
590    checkpoint50h_post
591    o new package "land": provide surface BC for AIM.
592    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
593    o AIM: use true log-P extrapolation for near surface temp (= as in
594        F.Molteni paper) ; update aim.5l_cs output.
595    o New variable in PARM03 for more flexible pickups
596    o somewhat cleaned package initialisation sequence for
597      ctrl/ cost/ ecco/ in packages_... routines
598    
599    checkpoint50g_post
600    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
601      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
602      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
603        made the default because of faster convergence than ADI
604    
605    checkpoint50f_post
606    o exf totally restructured
607      - replaced all exf_set_ routines by one generic exf_set_gen.F
608        and made sure it's still differentiable
609      - split exf_getffields.F into new exf_bulkformulae.F
610      - exf_inscal_/exf_outscal_ suffixes consistent with field names
611      - updated adjoint/makefile and relevant verif. accordingly
612    
613    checkpoint50f_pre
614     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
615          + change Evap over land. (update aim.5l_cs output)
616     o added missing .cvsignores and made uniform across expts
617     o changed configuration of tidal_basin_2d expt
618     o added pkg/debug functions for tracing code in fatal crashes
619     o tidied pkg/monitor to use MONITOR_OPTIONS.h
620     o new fn in pkg/monitor to stop model if solution grows too big
621     o removed lots of single quotes from comments
622    
623    checkpoint50e_post
624    o make KPP work with PTRACERS
625     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
626       nearly a copy of kpp_transport_s
627     - there is no analogue to SurfaceTendencyS, so I have to use
628       gPtr(of the surface layer) instead
629    o add a new platform SunFire+mpi (SunFire 15000) to genmake
630    checkpoint50e_pre
631    
632    checkpoint50d_post
633    o change kpp output from multiple-record state files to single-record state
634      files analogous to write_state.F
635    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
636      analogous to the cg2d-related output.
637    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
638      so that writing to internal file fn (with length 512) fails.
639    checkpoint50d_pre
640    
641    checkpoint50c_post
642    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
643    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
644    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
645    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
646    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
647    
648    checkpoint50c_pre
649    Merging from release1_p13:
650    o bug fix for pkg/seaice dynamic solver
651    o Added SEAICE_initialHEFF to pkg/seaice
652    
653    checkpoint50b_post
654    o store u*,v* in gU,V instead of in guNm1,gvNm1
655    o in order to put the momForcing out of the Adams-Bashforth:
656      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
657      to timestep.F
658    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
659    o re-generate output for highly sensitive test-exp:
660       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
661    
662    checkpoint50b_pre
663    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
664    o corrected CPP option mismatch in exf_Bulk... functions for case
665      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
666    
667    checkpoint50a_post
668    o Bug fix for merging between c50 and KPP.
669      ikey was passed from thermodynamics to kpp_calc via
670      common block rather than being recomputed in kpp_calc,
671      in contradiction with new key itdkey.
672      New key ikppkey created, and tamc.h headers updated.
673    
674    checkpoint50
675    - 2nd step of merge with ecco-branch:
676      merge changes in ecco-branch back into main trunk
677    - bug fix in find_alpha
678    - more storing in gmredi_calc_tensor.F, kpp_routines.F
679    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
680    - merged some sliced AD support routines
681    
682    checkpoint49
683    merged from ecco-branch:
684    o exf:
685      - Enable initialisation of forcing fields to constant
686        (runtime) values.
687      - in exf_getffields.F
688        Reduce i-/j-loop to interior domain, discarding overlaps.
689        That also fixes wrong TAF-key computations for key_1, key_2
690        with bulf formulae.
691      - exf_init.F modify #ifdef for exf_init_evap
692      - exf_getffieldrec.F, ctrl_getrec.F
693        The following INT-usages are not safe:
694          fldsecs  = int(fldsecs/fldperiod)*fldperiod
695          fldcount = int(fldsecs/fldperiod) + 1
696        and were modified.
697    o autodiff: checkpoint_lev...
698      - updated storing for bulk formulae (some arrays were missing)
699      - added state for seaice package
700      - synchronized with main branch
701    o DIVA:
702      Modif.s in
703      - the_main_loop.F
704      - the_model_main.F
705      and added cost_final_restore.F cost_final_store.F
706      o With these changes, it is possible to fully separate
707        the first forward run to compute the cost function (mdthe_main_loop)
708        and adjoint runs over individual DIVA intervals (adthe_main_loop)
709        into separate model executions.
710        This enables better tuning of DIVA to given queue sizes.
711      o Loss of cost function value in consecutive DIVA runs is
712        fixed by storing to 'costfinal' file.
713      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
714        beginning/end of adjoint integration is accounted for.
715      The current changes apply to TAF-1.4.26.
716      TAF has one remaining bug, requiring one manual change
717      (see MITgcm manual).
718    o cal: synchronized between MAIN and ecco-branch
719    
720    checkpoint48i_post
721    o Changes to restore differentiability of code w.r.t. previous tag
722      (mostly adding new routines to make list and replacing
723      pressure by totPhiHyd).
724    o Updated and merged grdchk package
725      - has both ADM and TLM checks
726      - works for single- and multi-proc.
727      - output cleaned
728      - worked successfully for parallel DIVA
729    o genmake:
730      - Adding -platform=SP4
731      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
732    o Modif. for DIVA:
733      ctrl_unpack should not be called in intermediate DIVA interval.
734      (similar thing would apply for active files such as
735      tbar, sbar, psbar, which should not be reinitialised;
736      only relevant for ecco-branch)
737    
738    checkpoint48h_post
739    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
740    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
741    o Added SEAICE_initialHEFF to pkg/seaice
742    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
743    
744    checkpoint48g_post
745    --- EOS:
746    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
747      store total Potential in totPhyHyd for diagnostics & EOS.
748    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
749    --- Pressure/geopotential gradient:
750    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
751    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
752      ( changes results of global_ocean_pressure )
753    o NLFS + z-coord.: add eta*Rho' contribution.
754    o accurate phiHyd when using interface-W at the middle between 2 centers
755     ( changes results of ideal_2D_oce )
756    o includes r* 2nd term in potential gradient.
757    
758    checkpoint48f_post
759    Merging from release1_p12:
760    o Modifications for using pkg/exf with pkg/seaice
761      - improved description of the various forcing configurations
762      - added basic radiation bulk formulae to pkg/exf
763      - units/sign fix for evap computation in exf_getffields.F
764      - updated verification/global_with_exf/results/output.txt
765    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
766      (SBO) core products, including oceanic mass, center-of-mass,
767      angular, and bottom pressure (see pkg/sbo/README.sbo).
768    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
769      to avoid negative values in shallow regions.
770      - updated verification/natl_box/results/output.txt
771      - updated verification/lab_sea/results/output.txt
772    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
773    o Added useSingleCpuIO option (see PARAMS.h).
774    o Updated useSingleCpuIO option in mdsio_writefield.F to
775      work with multi-field files, e.g., for single-file pickup.
776    o pkg/seaice:
777      - bug fix in growth.F: QNET for no shortwave case
778      - added HeffFile for specifying initial sea-ice thickness
779      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
780    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
781      kpp_transport_t.F, forward_step.F, and the_main_loop.F
782    o pkg/seaice:
783      - adjoint-friendly modifications
784      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
785    
786    checkpoint48e_post
787    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
788    o dynamics: change definition of computational domain & adapt mom_fluxform
789      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
790    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
791        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
792        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
793        global_ocean.90x40x15 global_with_exf global_ocean_pressure
794        inverted_barometer solid-body.cs-32x32x1
795      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
796    
797    checkpoint48d_post
798    o in preparation for r*:
799     a) use pre-computed gradient of hydrostatic potential:
800        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
801     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
802        => affects results of glob_oce_pressure (different truncation error)  
803      update output.txt of ideal_2D_oce & global_ocean_pressure
804    
805    checkpoint48d_pre
806    o in preparation for r*:
807      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
808      pass the 2 comp. of the grad. as arguments to momentum S/R.
809      but for the moment, only used if it does not change the results.
810    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
811    
812    checkpoint48c_post
813    Modifications in treatment of initial flux forcing controls
814    to avoid extra storing of flux fields.
815    
816    checkpoint48c_pre
817    o Added tidal_basin_2d experiment (currently 1D!)
818    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
819    
820    checkpoint48b_post
821  o r* coordinate added in #ifdef NONLIN_FRSURF block.  o r* coordinate added in #ifdef NONLIN_FRSURF block.
822   (modification to pressure gradient not yet implemented)   (modification to pressure gradient not yet implemented)
823  o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports  o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports

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