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revision 1.121 by heimbach, Tue Jan 21 19:44:45 2003 UTC revision 1.297 by mlosch, Wed May 19 08:43:38 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    
14    checkpoint53b_post
15    o Commiting new energy balance model to repository
16      * package is pkg/ebm
17      * verif. is verification/global_ocean_ebm
18      * references are in ebm_driver.F
19    C      * X. Wang, P. Stone and J. Marotzke, 1999:
20    C        Global thermohaline circulation. Part I:
21    C        Sensitivity to atmospheric moisture transport.
22    C        J. Climate 12(1), 71-82
23    C      * X. Wang, P. Stone and J. Marotzke, 1999:
24    C        Global thermohaline circulation. Part II:
25    C        Sensitivity with interactive transport.
26    C        J. Climate 12(1), 83-91
27    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
28    C        Destabilization of the thermohaline circulation
29    C        by atmospheric eddy transports.
30    C        J. Climate 7(12), 1870-1882
31    o Will need long integration testing.
32    checkpoint53b_pre
33    
34    o created pkg/mom_common in preparation for variable viscosity code
35    o renamed and split ini_mnc_io
36    o pkg/land: only liquid water can diffuse or run-off
37    o AIM using land: soil wetness availability account for snow
38    o added printMapIncludesZeros to EEPARMS namelist
39    
40    checkpoint53a_post
41    o restore TAMC compatiility for exf_constants.h
42      (no usage of _d in .h)
43    o Additional storing in KPP in an attempt to fix
44      TAMC problem with adjoint of KPP code.
45      (no success...)
46      Identical code works fine with TAF.
47    o Fixed verification/natl_box_adjoint experiments.
48      Initial conditions for Experiments 4 and 5 are now
49      set to "SEAICE_initialHEFF=0", which is more reasonable,
50      and hence gives results closer to that of Experiment 2.
51      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
52    
53    checkpoint53
54    o stable checkpoint with up to date adjoint
55      TLM tests only run for 1st grdchk at the moment. Its unclear if
56      this is a code problem or a problem with resetting code for g_
57      variables that is being autogenerated wrong.
58      Otherwise:
59       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
60       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
61         are both still in chaos following their security messes.
62    
63    checkpoint52n_post
64    o various build (mostly genmake2) changes including:
65      - ability to build/run more easily within Cygwin and MacOS X
66      - more complicated Makefiles with a stronger dependence on Gnu Make
67    o pkg/seaice modifications
68      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
69        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
70        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
71      - changed proxy for geostrophic velocity and updated
72        verification/lab_sea/results/* accordingly
73      - removed ADI dynamic solver from pkg/seaice
74      - replaced all occurrences of 1/CSTICE or 1/CSUICE
75        they caused a segmentation fault under certain circumstances
76      - removed unused field WATR
77    o bug fix in exf-package:
78      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
79         now reflect that.
80    o small fixes in the cal-package:
81      - set reference date to first of January for the 'model'-calendar
82      - failing of cal_CheckDate in cal_FullDate now actually results in a
83        warning
84    o small modifications in exf-package to increase flexibility:
85      - change climtempfreeze from a constant to a runtime parameter that
86        is specified in data.exf_clim (default = -1.9)
87      - introduce runtime parameter windstressmax (default = 2.0) that is
88        specified in data.exf
89    o fix in pkg/thsice:
90      - update Evap (Tsf changes) to be consistent with Latent heat flux
91      - maintain snow precipitation unchanged (even if Tsf >=0).
92     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
93    
94    checkpoint52m_post
95    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
96      this does not change any of the results, because myIter=0 in swfrac always
97      lead to jwtype=2 (the default anyway), but the call makes little sense
98      as a default
99    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
100    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
101      atmospheric model (AIM) to use it ; add a "slab ocean" component.
102    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
103    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
104    o extending useSingleCpuIO option to work with new exch2 I/O format
105      - old-style, missing-tile I/O is still accessible by defining CPP
106        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
107    o monitor package can write to NetCDF files and/or STDOUT
108    o fix re-definition bug in MNC_GRID_INIT_ALL()
109    o doc/api_reference added
110      - a framework for building an API Reference Manual using all
111        the "protex" comments embedded in the code
112      - see pkg/generic_advdiff, pkg/mnc for examples
113    o MNC:
114      - make myThid the last argument for all subroutines
115      - new default for the grid files: NO halos
116      - add useMNC and other run-time flags
117      - separate per-file-group handling of the unlimited dimension
118      - early initialization of MNC w/ flags read at the eeboot stage
119        and lookup tables set in initialize_fixed
120      - write all MNC output to a freshly-created directory
121    o thermodynamics sea-ice (thsice) is now tested with testreport.
122    o test exp. advect_cs: use the standard cs32 grid ; update output.
123    o Added functionality to grdchk:
124      pick global i,j,k position (or nearest wet) where to perform check.
125    
126    checkpoint52l_post
127    o new land formulation:
128      a) use ground enthalpy as prognostic variable to ensure exact
129         energy conservation.
130      b) account for water temperature and for latent heat of freezing
131         in all processes (rain, run-off, ground storage)
132      c) compute surface and ground temperature implicitly.
133    o aim_v23 modification for new land model:
134      a) Treat separately land / ocean / sea-ice surface fluxes
135         to allow implicit computation of land & sea-ice surface temp.
136      b) add snow precipitation.
137    checkpoint52l_pre
138    
139    o fix problem (when 1 tile is empty) in min/max monitor.
140    o fix bug in timeAve (u,vZetatave in common block)
141    o no restoring terms under ice for pkg/seaice
142    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
143    o bug fix for pkg/seaice pickups
144    o change MNC call locations and add coordinate attributes
145    o mask vorticity at the corner ; affects global_ocean.cs output
146    o fix ini_curvilinear_grid ; test CS experiments with mpi
147    o aim.5l_cs: modify sea-ice fraction input file ; update output
148    o exf: Adding simple range check routine for exf fields after read
149    
150    checkpoint52k_post
151    o removed top-level directory "diags"
152      - we migrated these functions to pkg/timeave a long time ago
153    o fixed bug introduced in pkg/monitor
154    o accuracy ctrlprec = 32 insuffient for gradient checks using
155      averaged fields (I/O via cost_averages)
156      -> use ctrl.h in active_file*.F to control I/O precision.
157    o paramter list of CALL ADTHE_MAIN_LOOP
158    o added initial do_the_model_io to ecco
159    o set all ...Freq to zero after cost_final
160      taveFreq, dumpFreq, pChkptFreq
161    o MAIN and ECCO differentiability restored
162    
163    checkpoint52j_post
164    o fix nchklev in tamc.h for global_ocean...
165    o Bringing flow and store directives up-to-date
166    o Really weird thing!
167      call do_the_model_io from the_main_loop with parameters
168      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
169      TAF places a faulty re-call of initialise_varia
170      after cost_final call which should not be there!
171    checkpoint52j_pre
172    
173    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
174      error messages
175    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
176    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
177      debug output
178    o modfied mdsio_writefield.F to handle non-global files under exch2
179    o update AIM Cubed-Sphere exp (aim.5l_cs):
180      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
181    o update AIM Equatorial Channel exp:
182      use standard aim_v23 pkg and change the SST fields to be more realistic.
183    o globalFile now works with exch2
184    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
185      mon_vort3.F to make exch2 friendly with >1 tile per cube face
186    o limit timeave output for hi-res integrations
187    
188    checkpoint52i_post
189    o removed CPP_EEOPTIONS.h from verification/*/code
190    o updated the tiling for global_ocean_pressure
191    checkpoint52i_pre
192    
193    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
194      the old pkg/aim).
195    
196    checkpoint52h_pre
197    o shortened offending lines in exch2_send_rx?.template
198    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
199    o genmake2: add build & execute test for NetCDF code
200    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
201      old grid files, moved CPP_EEMACROS.h to pkg/exch2
202    o added useSingleCPUIO flag to monitor.F and mon_out.F
203    o added temporary hack for sea-ice dynamics on the cube:
204      metric terms are ignored and it is assumed that
205      there is no sea-ice on cube faces 1, 2, 4, and 5.
206    
207    checkpoint52f_post
208    o added exch2 cube routines to pkg/exch2
209    o modified hs94.cs-32x32x5 to use it
210    o added new grid files to hs94.cs-32x32x5
211    checkpoint52f_pre
212    
213    checkpoint52e_post
214    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
215      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
216    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
217      to work with implicit vertical advection and AB ;
218    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
219    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
220     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
221    checkpoint52e_pre
222    
223    o fix bug in impldiff when Nr=1 or Nr=2.
224    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
225    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
226    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
227      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
228    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
229    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
230    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
231    
232    checkpoint52d_post
233    o re-tiled many expts to allow comparison in multi-processor mode
234      - updated output accordingly
235      - changed hs94.128x64x5 to use intial T from file rather than use the
236        random number generator
237    o add infrastructure in model routines for fizhi and gridalt packages
238    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
239    o changes to permit hi-res, cubed-sphere, configuration
240      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
241      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
242      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
243        of surface winds for the cube
244      (A verification experiment, based on global_ocean.cs32x15, but with
245       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
246       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
247       complete with example surface forcing files and matlab scripts to look
248       at the output and compare it with that of global_ocean.cs32x15.)
249    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
250       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
251       to conform to the common rule.
252    o check-in the first version of the coupler + interfaces for multi-components
253       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
254       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
255       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
256       - ocean and atmos. share the same horizontal grid (no interpolation).
257       - exchanges between component and coupler is done in forward_step
258    o new verification experiment, cpl_aim+ocn:
259       coupled ocean - AIM atmosphere on cs32 grid.
260    
261    checkpoint52d_pre
262    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
263    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
264    
265    checkpoint52c_post
266    o Fixing OPTIONS files for use of exf:
267      - ALLOW_ECCO not needed
268      - ECCO_CPPOPTIONS.h should not be included from
269        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
270        as has been the case in the past
271      - All cal/exf related options are currently set in
272        single header file. Should remain so until we
273        agree on a consistent new policy.
274    o Removed all CPP options for cal package.
275      cal has no more CPP options.
276    o modified STOREs in GAD_ADVECTION
277    o corrected key comp. for passkey
278    
279    checkpoint52b_post
280    o new version: "thsice" of thermodynamic sea-ice pkg:
281     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
282     - modify fluxes but do not change theta directly;
283     - light cleaning of bulk_force pkg (still needed with thsice).
284     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
285       + output_thsice.txt to test thsice & bulk_force pkgs.
286    o put back grid & coriolis monitor output.
287    checkpoint52b_pre
288    
289    o call "do_the_model_io" at the beginning (=> dump initial state)
290    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
291    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
292      (need info on NUMBER_OF_PTRACERS)
293    o missing PTRACERS headers in some routines
294    o default tamc.h in pkg/autodiff supposed to crash
295      to ensure proper customization
296    
297    checkpoint52a_post
298    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
299      - moved surfaceTendencyTice from pkg/seaice to main code
300      - subroutine FREEZE_SURFACE now limits only surface temperature
301        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
302        => new output.txt for global_ocean.cs32x15 & global_with_exf
303      - keep the old version of FREEZE for backward compatibility;
304        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
305      - corresponding modifs for TAF directives
306    o added surface flux output variables to TIMEAVE_STATVARS
307    o time-averaged output for pkg/ptracers
308    o fix problem with ECCO-related divided adjoint
309      snapshot file was missing some ad-variables,
310      but no warning issued by TAF
311    
312    checkpoint52a_pre
313    o some bug fixes for #undef REAL4_IS_SLOW
314    
315    checkpoint52 = ecco_c52_e35
316    o after testing adjoints of checkpoint51u_post
317    
318    checkpoint51u_post
319    o this is the post-merge tag of the ecco-branch
320      (needs another clean checkout and re-testing)
321    o various natl_box_adjoint configs and results
322      but no input fields
323    o obcs adjoint not yet merged!
324    o adding ECCO global 1x1 and 2x2 degree configs
325    o updated/extended some store directives for seaice
326    o pkg/ecco now containes ecco-specific part of cost function
327    o top level routines the_main_loop, forward_step
328      supersede those in model/src/
329      previous input data.cost now in data.ecco
330      (new namelist ecco_cost_nml)
331    o in ctrl/ cleaned some cross-dependencies and updated CPP options
332    
333    checkpoint51t_post
334    o this is the pre-merge tag of the ecco-branch
335    
336    checkpoint51s_post
337    o cleanup: removed various obsolete #define-s
338    o pkg/grdchk
339      - renamed 'ph-grd 3' to 'grad-res'
340      - merged from ecco-branch
341        (remaining bug fixes for obcs gradient checks)
342      - additional high-precision output for testreport
343        (grep for 'precision_grdchk_result')
344    
345    checkpoint51r_post
346    o cleaned up or removed CPP_OPTIONS.h files
347    o updated results for some of the tests to reflect the new
348      optfiles (-ieee: -O0 instead of -O3)
349    
350    checkpoint51q_post
351    o cd_code:
352      - moved cd_scheme.F -> cd_code_scheme.F
353      - separate read_checkpoint from cd_code_ini_vars.F
354      - separated cd_code part from write_checkpoint
355      - updated AD_SOURCE, generated .flow
356      - added CD_CODE_VARS.h to the_main_loop
357      - Moving cd_code specific store dir.s to pkg/cd_code
358    o ctrl package totally restructured
359      - pack/unpack now optional and decoupled from
360        xx_/adxx_ I/O
361      - ctrl_pack/unpack cleaned
362        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
363      - confined inclusion of AD_CONFIG.h to where necessary.
364    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
365    
366    checkpoint51p_post
367    o create initial cd_code package
368      - WARNING: the initialization of fields within packages
369        is broken because INI_FIELDS (where READ_CHECKPOINT is
370        called) is called *before* PACKAGES_INIT_VARIABLES.
371        This seems to be backwards since
372        1) its important to initially zero the entire field including
373           the "halo" region
374        2) zeroing needs to be done *before* reading pickup info
375           and the pickup call might or might not happen in any
376           particular run
377      - this needs an overhaul for R2
378    o cleanup verification/*/code/GMREDI_OPTIONS.h
379    o cleanup testreport
380    
381    checkpoint51o_post
382    o bringing AD-related verif's up to date with genmake2
383      - carbon/
384      - global_ocean.90x40x15/
385      - hs.94.1x64x5/
386      - (front_relax/ )
387    o (more) consistent directory structure for AD-related verif.'s
388    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
389    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
390    o bug fix in find_alpha.F for MDJWF:
391      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
392        change rho -> rho-rhoConst
393      - replace call find_rho to find_rhonum
394    o initialisation of rFlx extended to full array (required by TAF)
395      and shifted to thermodynamics
396    o removed PTRACERS.h in ptracers routine
397    o added surfacetendencyPtr to S/R parameter list pracers_forcing
398    o Correcting initialisations for fVerU, fVerV.
399    o helping TAF to recognize dependency on kUp for
400      fVerU, fVerV
401    o Replacing delZ by delR in pkg/ctrl/
402    checkpoint51o_pre
403    
404    o undid all of cp51 pending some cleanups and discussion
405    o added the [#include "AD_CONFIG.h"] statement to all files that need
406       it for adjoint/tl #defines
407     o re-worked the build logic in genmake2 to support AD_CONFIG.h
408     o removed tools/genmake since it no longer works
409    
410    checkpoint51n_post
411    o modifications to make FREEZE flux visible to pkg/kpp
412      - moved surfaceTendencyTice from pkg/seaice to main code
413      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
414      - subroutine FREEZE now limits only surface temperature
415        (this means new output.txt for global_ocean.90x40x15,
416         global_ocean.cs32x15, and global_with_exf)
417    o added surface flux output variables to TIMEAVE_STATVARS
418    
419    checkpoint51n_pre
420    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
421    o added [#include "AD_CONFIG.h"] to all files that use the following
422      defines:
423      - ALLOW_ADJOINT_RUN
424      - ALLOW_TANGENTLINEAR_RUN
425      - ALLOW_ECCO_OPTIMIZATION
426    
427    checkpoint51m_post
428    o incorporating changes to get TAMC/TAF working in genmake2
429      - added new TAMC/TAF targets to the Makefile
430      - various cleanups related to package handling
431      - these changes should have no impact on the forward model
432    
433    checkpoint51l_post
434    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
435     - faster algorithm for cal_addtime.F
436     - higher precision arithmetic, where needed
437     - pkg/exf *startdate variables changed from calendar date to
438       model integration time
439    
440    checkpoint51l_pre
441    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
442    o enable to apply restoring on S & T only in a latitude band.
443    o update output (external_forcing_surf modif. change truncation errors)
444       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
445    
446    checkpoint51k_post
447    o change default to: useNHMTerms=.FALSE.
448     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
449       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
450     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
451        exp1, ideal_2D_oce
452     - change data file of oceanic exp (leave the results unchanged for now)
453       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
454    o set gravitySign automatically according to the vertical coordinate used
455      (and change sign: back to "logical" value: +1 when R increases downward)
456    o added an include barrier to the default CPP_OPTIONS.h and
457      removed the #include "PACKAGES_CONFIG.h" from it
458    o fix a bug in mom_fluxform (from chk51j_post)
459    
460    checkpoint51j_post
461    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
462    o adjusted some flow directives (dynamics, thermodynamics)
463    o added cubed-sphere case to test cost function
464    o heckpoint_lev?_directives.h now include
465      pkg-specific directives, whenever those are enabled.
466    o Moving pkg-specific flow directives to corresponding pkg
467      Moving pkg-specific differentiation list to corresponding pkg
468      Moving pkg-specific checkpoint-lev storing to corresponding pkg
469      ---> conventions are
470           - pkg_ad.flow
471           - pkg_ad_diff.list
472           - pkg_ad_check_lev?_dir.h
473    
474    checkpoint51i_post
475    o merge of the branch-genmake2
476      - knowingly breaks the older genmake
477      - automatic generation of all ALLOW_${PKG_NAME} defines
478      - new testreport supersedes older testscript
479    o large number of package inclusion and header cleanups
480    checkpoint51i_pre
481    
482    o new output for adjoin of global ocean vector invariant
483    o fix for checkpoint of thermodynamic seaice and bulk_force
484    o Steph gchem various cleanups
485    
486    checkpoint 51h_pre
487    o fixed some single quotes
488    o modify gchem pkg to be more versatile
489    o modifications to clean up dic pkg
490    o add pkg/cfc
491    
492    checkpoint51g_post
493    o provide links for ARPACK and ADM*TLM
494    o start removing verification/vero/
495    o update AD-related stuff
496      (in particular some IF-statements in model/src/ routines)
497    o adding to verification/global_ocean.90x40x15/ adjoint of
498      vector invariant setup
499    
500    checkpoint51f_post
501    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
502    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
503      of tracer Green's fucntions for ocean inversion project.
504    
505    checkpoint51f_pre
506    o Added on-the-fly spatial interpolation capability
507        "USE_EXF_INTERPOLATION" to pkg/exf.
508      - This is a temporary Cartesian-grid hack until
509        the super-duper ESMF coupler becomes available.
510      - See verification/global_with_exf/README for usage example.
511      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
512        flags and modified pkg/seaice accordingly.
513    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
514        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
515        non-local transport term.
516    
517    checkpoint51e_post
518    o pkg/mom_vecinv:
519      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
520      - add time-ave diagnostic of vorticity advection.
521    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
522    o atmospheric geopotential: - include water vapor effect;
523                                - use p^kappa in p* scaling.
524    o land pkg: read initial state from files.
525    o AIM : add stratospheric drag in the upper level
526    
527    checkpoint51d_post
528    o change function ILNBLNK (=> last non-blank char.) to return zero
529      (instead of the string length) when the string. char is empty
530    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
531    o modif's to restore TAMC compatibility
532      - avoid "_d" constructs in PARAMETER declarations
533      - avoid interrupting lines by comment lines
534    o Use cluster local disks for purely local I/O
535      vs. globally visible disks needed for ctrl stuff
536      (merged from ecco-branch)
537      - new active_file_loc... and mdsio_..._loc routines
538      - affected packages: autodiff, ctrl, grdchk, mdsio
539    
540    checkpoint51c_post
541    o introducing integer flag debugLevel
542      - debLevZero: suppress all output
543      - debLevA: standard
544      - debLevB: equivalent to current debugMode=.TRUE.
545    o introducing pathname variable mdsioLocalDir for mdsio
546      that can be specified at runtime
547      (relevant for cluster I/O to local disk)
548    `
549    >>>checkpoint51b_post
550    adjoint of ptracers
551    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
552    o extended state in checkpoint_lev?, etc.
553    o alternative ctrl/cost with tr1 or ptracer
554    o new comlev1_bibj_ptracers
555    o new ptracers.flow
556    o made ptracers_forcing same as external_forcing_s
557    o added verification for adjoint with ptracers
558      - adm. grdchk fail so far
559      - tlm. grdchk OK
560      - checked tapelev/comlev recomputations: OK
561    <<<checkpoint51b_pre
562    
563    checkpoint51a_post
564    o added code for biogeochemistry package
565      - new pkgs: dic, gchem
566      - new subroutine in ptracers
567    o modify code for biogeo packages
568      - in model/src and pkg/ptracers
569    
570    checkpoint51
571    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
572      - autodiff, ctrl, exf, grdchk, seaice
573      kept separate packages
574      - cost, ecco, obcs
575    o updating verification/internal_wave, verification/lab_sea
576      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
577    
578    checkpoint50i_post
579    o Preparing next differentiable checkpoint and sync
580      of MAIN vs. ecco-branch
581      - 1st step: this one is differentiable
582      - 2nd step: next(! not this) checkpoint will have updated packages
583                  from ecco-branch)
584    
585    checkpoint50h_post
586    o new package "land": provide surface BC for AIM.
587    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
588    o AIM: use true log-P extrapolation for near surface temp (= as in
589        F.Molteni paper) ; update aim.5l_cs output.
590    o New variable in PARM03 for more flexible pickups
591    o somewhat cleaned package initialisation sequence for
592      ctrl/ cost/ ecco/ in packages_... routines
593    
594    checkpoint50g_post
595    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
596      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
597      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
598        made the default because of faster convergence than ADI
599    
600    checkpoint50f_post
601    o exf totally restructured
602      - replaced all exf_set_ routines by one generic exf_set_gen.F
603        and made sure it's still differentiable
604      - split exf_getffields.F into new exf_bulkformulae.F
605      - exf_inscal_/exf_outscal_ suffixes consistent with field names
606      - updated adjoint/makefile and relevant verif. accordingly
607    
608    checkpoint50f_pre
609     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
610          + change Evap over land. (update aim.5l_cs output)
611     o added missing .cvsignores and made uniform across expts
612     o changed configuration of tidal_basin_2d expt
613     o added pkg/debug functions for tracing code in fatal crashes
614     o tidied pkg/monitor to use MONITOR_OPTIONS.h
615     o new fn in pkg/monitor to stop model if solution grows too big
616     o removed lots of single quotes from comments
617    
618    checkpoint50e_post
619    o make KPP work with PTRACERS
620     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
621       nearly a copy of kpp_transport_s
622     - there is no analogue to SurfaceTendencyS, so I have to use
623       gPtr(of the surface layer) instead
624    o add a new platform SunFire+mpi (SunFire 15000) to genmake
625    checkpoint50e_pre
626    
627    checkpoint50d_post
628    o change kpp output from multiple-record state files to single-record state
629      files analogous to write_state.F
630    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
631      analogous to the cg2d-related output.
632    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
633      so that writing to internal file fn (with length 512) fails.
634    checkpoint50d_pre
635    
636    checkpoint50c_post
637    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
638    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
639    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
640    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
641    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
642    
643    checkpoint50c_pre
644    Merging from release1_p13:
645    o bug fix for pkg/seaice dynamic solver
646    o Added SEAICE_initialHEFF to pkg/seaice
647    
648    checkpoint50b_post
649    o store u*,v* in gU,V instead of in guNm1,gvNm1
650    o in order to put the momForcing out of the Adams-Bashforth:
651      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
652      to timestep.F
653    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
654    o re-generate output for highly sensitive test-exp:
655       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
656    
657    checkpoint50b_pre
658    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
659    o corrected CPP option mismatch in exf_Bulk... functions for case
660      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
661    
662    checkpoint50a_post
663    o Bug fix for merging between c50 and KPP.
664      ikey was passed from thermodynamics to kpp_calc via
665      common block rather than being recomputed in kpp_calc,
666      in contradiction with new key itdkey.
667      New key ikppkey created, and tamc.h headers updated.
668    
669    checkpoint50
670    - 2nd step of merge with ecco-branch:
671      merge changes in ecco-branch back into main trunk
672    - bug fix in find_alpha
673    - more storing in gmredi_calc_tensor.F, kpp_routines.F
674    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
675    - merged some sliced AD support routines
676    
677    checkpoint49
678    merged from ecco-branch:
679    o exf:
680      - Enable initialisation of forcing fields to constant
681        (runtime) values.
682      - in exf_getffields.F
683        Reduce i-/j-loop to interior domain, discarding overlaps.
684        That also fixes wrong TAF-key computations for key_1, key_2
685        with bulf formulae.
686      - exf_init.F modify #ifdef for exf_init_evap
687      - exf_getffieldrec.F, ctrl_getrec.F
688        The following INT-usages are not safe:
689          fldsecs  = int(fldsecs/fldperiod)*fldperiod
690          fldcount = int(fldsecs/fldperiod) + 1
691        and were modified.
692    o autodiff: checkpoint_lev...
693      - updated storing for bulk formulae (some arrays were missing)
694      - added state for seaice package
695      - synchronized with main branch
696    o DIVA:
697      Modif.s in
698      - the_main_loop.F
699      - the_model_main.F
700      and added cost_final_restore.F cost_final_store.F
701      o With these changes, it is possible to fully separate
702        the first forward run to compute the cost function (mdthe_main_loop)
703        and adjoint runs over individual DIVA intervals (adthe_main_loop)
704        into separate model executions.
705        This enables better tuning of DIVA to given queue sizes.
706      o Loss of cost function value in consecutive DIVA runs is
707        fixed by storing to 'costfinal' file.
708      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
709        beginning/end of adjoint integration is accounted for.
710      The current changes apply to TAF-1.4.26.
711      TAF has one remaining bug, requiring one manual change
712      (see MITgcm manual).
713    o cal: synchronized between MAIN and ecco-branch
714    
715    checkpoint48i_post
716    o Changes to restore differentiability of code w.r.t. previous tag
717      (mostly adding new routines to make list and replacing
718      pressure by totPhiHyd).
719    o Updated and merged grdchk package
720      - has both ADM and TLM checks
721      - works for single- and multi-proc.
722      - output cleaned
723      - worked successfully for parallel DIVA
724    o genmake:
725      - Adding -platform=SP4
726      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
727    o Modif. for DIVA:
728      ctrl_unpack should not be called in intermediate DIVA interval.
729      (similar thing would apply for active files such as
730      tbar, sbar, psbar, which should not be reinitialised;
731      only relevant for ecco-branch)
732    
733    checkpoint48h_post
734    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
735    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
736    o Added SEAICE_initialHEFF to pkg/seaice
737    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
738    
739    checkpoint48g_post
740    --- EOS:
741    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
742      store total Potential in totPhyHyd for diagnostics & EOS.
743    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
744    --- Pressure/geopotential gradient:
745    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
746    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
747      ( changes results of global_ocean_pressure )
748    o NLFS + z-coord.: add eta*Rho' contribution.
749    o accurate phiHyd when using interface-W at the middle between 2 centers
750     ( changes results of ideal_2D_oce )
751    o includes r* 2nd term in potential gradient.
752    
753    checkpoint48f_post
754    Merging from release1_p12:
755    o Modifications for using pkg/exf with pkg/seaice
756      - improved description of the various forcing configurations
757      - added basic radiation bulk formulae to pkg/exf
758      - units/sign fix for evap computation in exf_getffields.F
759      - updated verification/global_with_exf/results/output.txt
760    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
761      (SBO) core products, including oceanic mass, center-of-mass,
762      angular, and bottom pressure (see pkg/sbo/README.sbo).
763    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
764      to avoid negative values in shallow regions.
765      - updated verification/natl_box/results/output.txt
766      - updated verification/lab_sea/results/output.txt
767    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
768    o Added useSingleCpuIO option (see PARAMS.h).
769    o Updated useSingleCpuIO option in mdsio_writefield.F to
770      work with multi-field files, e.g., for single-file pickup.
771    o pkg/seaice:
772      - bug fix in growth.F: QNET for no shortwave case
773      - added HeffFile for specifying initial sea-ice thickness
774      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
775    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
776      kpp_transport_t.F, forward_step.F, and the_main_loop.F
777    o pkg/seaice:
778      - adjoint-friendly modifications
779      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
780    
781    checkpoint48e_post
782    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
783    o dynamics: change definition of computational domain & adapt mom_fluxform
784      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
785    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
786        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
787        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
788        global_ocean.90x40x15 global_with_exf global_ocean_pressure
789        inverted_barometer solid-body.cs-32x32x1
790      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
791    
792    checkpoint48d_post
793    o in preparation for r*:
794     a) use pre-computed gradient of hydrostatic potential:
795        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
796     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
797        => affects results of glob_oce_pressure (different truncation error)  
798      update output.txt of ideal_2D_oce & global_ocean_pressure
799    
800    checkpoint48d_pre
801    o in preparation for r*:
802      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
803      pass the 2 comp. of the grad. as arguments to momentum S/R.
804      but for the moment, only used if it does not change the results.
805    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
806    
807    checkpoint48c_post
808    Modifications in treatment of initial flux forcing controls
809    to avoid extra storing of flux fields.
810    
811    checkpoint48c_pre
812    o Added tidal_basin_2d experiment (currently 1D!)
813    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
814    
815    checkpoint48b_post
816    o r* coordinate added in #ifdef NONLIN_FRSURF block.
817     (modification to pressure gradient not yet implemented)
818    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
819      (for U & V) that are used for vertical advection of momentum.
820    
821    checkpoint48a_post
822    o In preparation for r*, use temp. array to compute vertical transport
823       in flux-form momentum pkg. => change results of few test-exp.
824      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
825                        lab_sea, natl_box & plume_on_slope
826    
827    checkpoint48
828    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
829    
830  checkpoint47j_post  checkpoint47j_post
831  o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.  o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
832  o moved adexch from forward_step to addummy_in_stepping  o moved adexch from forward_step to addummy_in_stepping

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