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revision 1.76 by jmc, Fri Jul 12 14:52:08 2002 UTC revision 1.305 by adcroft, Wed Jun 2 13:23:55 2004 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o added Sadourny discretization of Coriolis
7      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
8      - re-enabled use of omega3 (useAbsVorticity)
9    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
10      vector-invarianet equations
11      - note: does *NOT* yet use same variable visc. for no-slip BC's.
12    o recoded the lateral boundary conditions for non-hydrostatic w, this time
13      hopefully without new bugs
14      - still to do: biharmonic friction for non-hydrostatic w
15    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
16    o regenerated output for global_ocean_ebm (using -ieee)
17    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
18      of mom_common/
19      - simple re-arrangement of instructions within computing loop
20    checkpoint53d_pre
21    
22    checkpoint53c_post
23    o new version of coupler for AIM+thSIce and Ocean models
24     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
25     - land: change Evaporation of snow
26     - aim with thSIce: fix bug in snow-precip.
27    o changes to calc_gw.F
28     - bug fix for w^2 term near the bottom boundary
29     - (hopefully) improve the lateral slip boundary condtions for use with
30        partial/looped cells
31      - because the bug fix changes two verification experiments anyway (exp5
32        and plume on slope), change the lateral boundary condition from half slip
33        to the value of no_slip_sides
34    o ebm package wasnt quite up to the parallel task. Fixed that.
35    o Adjoint of EBM package + verification
36      * TLM OK
37      * ADM not sufficient accuracy yet (needs further testing)
38    
39    checkpoint53b_post
40    o Commiting new energy balance model to repository
41      * package is pkg/ebm
42      * verif. is verification/global_ocean_ebm
43      * references are in ebm_driver.F
44    C      * X. Wang, P. Stone and J. Marotzke, 1999:
45    C        Global thermohaline circulation. Part I:
46    C        Sensitivity to atmospheric moisture transport.
47    C        J. Climate 12(1), 71-82
48    C      * X. Wang, P. Stone and J. Marotzke, 1999:
49    C        Global thermohaline circulation. Part II:
50    C        Sensitivity with interactive transport.
51    C        J. Climate 12(1), 83-91
52    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
53    C        Destabilization of the thermohaline circulation
54    C        by atmospheric eddy transports.
55    C        J. Climate 7(12), 1870-1882
56    o Will need long integration testing.
57    checkpoint53b_pre
58    
59    o created pkg/mom_common in preparation for variable viscosity code
60    o renamed and split ini_mnc_io
61    o pkg/land: only liquid water can diffuse or run-off
62    o AIM using land: soil wetness availability account for snow
63    o added printMapIncludesZeros to EEPARMS namelist
64    
65    checkpoint53a_post
66    o restore TAMC compatiility for exf_constants.h
67      (no usage of _d in .h)
68    o Additional storing in KPP in an attempt to fix
69      TAMC problem with adjoint of KPP code.
70      (no success...)
71      Identical code works fine with TAF.
72    o Fixed verification/natl_box_adjoint experiments.
73      Initial conditions for Experiments 4 and 5 are now
74      set to "SEAICE_initialHEFF=0", which is more reasonable,
75      and hence gives results closer to that of Experiment 2.
76      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
77    
78    checkpoint53
79    o stable checkpoint with up to date adjoint
80      TLM tests only run for 1st grdchk at the moment. Its unclear if
81      this is a code problem or a problem with resetting code for g_
82      variables that is being autogenerated wrong.
83      Otherwise:
84       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
85       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
86         are both still in chaos following their security messes.
87    
88    checkpoint52n_post
89    o various build (mostly genmake2) changes including:
90      - ability to build/run more easily within Cygwin and MacOS X
91      - more complicated Makefiles with a stronger dependence on Gnu Make
92    o pkg/seaice modifications
93      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
94        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
95        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
96      - changed proxy for geostrophic velocity and updated
97        verification/lab_sea/results/* accordingly
98      - removed ADI dynamic solver from pkg/seaice
99      - replaced all occurrences of 1/CSTICE or 1/CSUICE
100        they caused a segmentation fault under certain circumstances
101      - removed unused field WATR
102    o bug fix in exf-package:
103      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
104         now reflect that.
105    o small fixes in the cal-package:
106      - set reference date to first of January for the 'model'-calendar
107      - failing of cal_CheckDate in cal_FullDate now actually results in a
108        warning
109    o small modifications in exf-package to increase flexibility:
110      - change climtempfreeze from a constant to a runtime parameter that
111        is specified in data.exf_clim (default = -1.9)
112      - introduce runtime parameter windstressmax (default = 2.0) that is
113        specified in data.exf
114    o fix in pkg/thsice:
115      - update Evap (Tsf changes) to be consistent with Latent heat flux
116      - maintain snow precipitation unchanged (even if Tsf >=0).
117     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
118    
119    checkpoint52m_post
120    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
121      this does not change any of the results, because myIter=0 in swfrac always
122      lead to jwtype=2 (the default anyway), but the call makes little sense
123      as a default
124    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
125    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
126      atmospheric model (AIM) to use it ; add a "slab ocean" component.
127    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
128    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
129    o extending useSingleCpuIO option to work with new exch2 I/O format
130      - old-style, missing-tile I/O is still accessible by defining CPP
131        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
132    o monitor package can write to NetCDF files and/or STDOUT
133    o fix re-definition bug in MNC_GRID_INIT_ALL()
134    o doc/api_reference added
135      - a framework for building an API Reference Manual using all
136        the "protex" comments embedded in the code
137      - see pkg/generic_advdiff, pkg/mnc for examples
138    o MNC:
139      - make myThid the last argument for all subroutines
140      - new default for the grid files: NO halos
141      - add useMNC and other run-time flags
142      - separate per-file-group handling of the unlimited dimension
143      - early initialization of MNC w/ flags read at the eeboot stage
144        and lookup tables set in initialize_fixed
145      - write all MNC output to a freshly-created directory
146    o thermodynamics sea-ice (thsice) is now tested with testreport.
147    o test exp. advect_cs: use the standard cs32 grid ; update output.
148    o Added functionality to grdchk:
149      pick global i,j,k position (or nearest wet) where to perform check.
150    
151    checkpoint52l_post
152    o new land formulation:
153      a) use ground enthalpy as prognostic variable to ensure exact
154         energy conservation.
155      b) account for water temperature and for latent heat of freezing
156         in all processes (rain, run-off, ground storage)
157      c) compute surface and ground temperature implicitly.
158    o aim_v23 modification for new land model:
159      a) Treat separately land / ocean / sea-ice surface fluxes
160         to allow implicit computation of land & sea-ice surface temp.
161      b) add snow precipitation.
162    checkpoint52l_pre
163    
164    o fix problem (when 1 tile is empty) in min/max monitor.
165    o fix bug in timeAve (u,vZetatave in common block)
166    o no restoring terms under ice for pkg/seaice
167    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
168    o bug fix for pkg/seaice pickups
169    o change MNC call locations and add coordinate attributes
170    o mask vorticity at the corner ; affects global_ocean.cs output
171    o fix ini_curvilinear_grid ; test CS experiments with mpi
172    o aim.5l_cs: modify sea-ice fraction input file ; update output
173    o exf: Adding simple range check routine for exf fields after read
174    
175    checkpoint52k_post
176    o removed top-level directory "diags"
177      - we migrated these functions to pkg/timeave a long time ago
178    o fixed bug introduced in pkg/monitor
179    o accuracy ctrlprec = 32 insuffient for gradient checks using
180      averaged fields (I/O via cost_averages)
181      -> use ctrl.h in active_file*.F to control I/O precision.
182    o paramter list of CALL ADTHE_MAIN_LOOP
183    o added initial do_the_model_io to ecco
184    o set all ...Freq to zero after cost_final
185      taveFreq, dumpFreq, pChkptFreq
186    o MAIN and ECCO differentiability restored
187    
188    checkpoint52j_post
189    o fix nchklev in tamc.h for global_ocean...
190    o Bringing flow and store directives up-to-date
191    o Really weird thing!
192      call do_the_model_io from the_main_loop with parameters
193      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
194      TAF places a faulty re-call of initialise_varia
195      after cost_final call which should not be there!
196    checkpoint52j_pre
197    
198    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
199      error messages
200    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
201    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
202      debug output
203    o modfied mdsio_writefield.F to handle non-global files under exch2
204    o update AIM Cubed-Sphere exp (aim.5l_cs):
205      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
206    o update AIM Equatorial Channel exp:
207      use standard aim_v23 pkg and change the SST fields to be more realistic.
208    o globalFile now works with exch2
209    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
210      mon_vort3.F to make exch2 friendly with >1 tile per cube face
211    o limit timeave output for hi-res integrations
212    
213    checkpoint52i_post
214    o removed CPP_EEOPTIONS.h from verification/*/code
215    o updated the tiling for global_ocean_pressure
216    checkpoint52i_pre
217    
218    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
219      the old pkg/aim).
220    
221    checkpoint52h_pre
222    o shortened offending lines in exch2_send_rx?.template
223    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
224    o genmake2: add build & execute test for NetCDF code
225    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
226      old grid files, moved CPP_EEMACROS.h to pkg/exch2
227    o added useSingleCPUIO flag to monitor.F and mon_out.F
228    o added temporary hack for sea-ice dynamics on the cube:
229      metric terms are ignored and it is assumed that
230      there is no sea-ice on cube faces 1, 2, 4, and 5.
231    
232    checkpoint52f_post
233    o added exch2 cube routines to pkg/exch2
234    o modified hs94.cs-32x32x5 to use it
235    o added new grid files to hs94.cs-32x32x5
236    checkpoint52f_pre
237    
238    checkpoint52e_post
239    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
240      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
241    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
242      to work with implicit vertical advection and AB ;
243    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
244    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
245     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
246    checkpoint52e_pre
247    
248    o fix bug in impldiff when Nr=1 or Nr=2.
249    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
250    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
251    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
252      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
253    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
254    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
255    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
256    
257    checkpoint52d_post
258    o re-tiled many expts to allow comparison in multi-processor mode
259      - updated output accordingly
260      - changed hs94.128x64x5 to use intial T from file rather than use the
261        random number generator
262    o add infrastructure in model routines for fizhi and gridalt packages
263    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
264    o changes to permit hi-res, cubed-sphere, configuration
265      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
266      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
267      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
268        of surface winds for the cube
269      (A verification experiment, based on global_ocean.cs32x15, but with
270       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
271       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
272       complete with example surface forcing files and matlab scripts to look
273       at the output and compare it with that of global_ocean.cs32x15.)
274    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
275       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
276       to conform to the common rule.
277    o check-in the first version of the coupler + interfaces for multi-components
278       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
279       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
280       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
281       - ocean and atmos. share the same horizontal grid (no interpolation).
282       - exchanges between component and coupler is done in forward_step
283    o new verification experiment, cpl_aim+ocn:
284       coupled ocean - AIM atmosphere on cs32 grid.
285    
286    checkpoint52d_pre
287    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
288    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
289    
290    checkpoint52c_post
291    o Fixing OPTIONS files for use of exf:
292      - ALLOW_ECCO not needed
293      - ECCO_CPPOPTIONS.h should not be included from
294        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
295        as has been the case in the past
296      - All cal/exf related options are currently set in
297        single header file. Should remain so until we
298        agree on a consistent new policy.
299    o Removed all CPP options for cal package.
300      cal has no more CPP options.
301    o modified STOREs in GAD_ADVECTION
302    o corrected key comp. for passkey
303    
304    checkpoint52b_post
305    o new version: "thsice" of thermodynamic sea-ice pkg:
306     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
307     - modify fluxes but do not change theta directly;
308     - light cleaning of bulk_force pkg (still needed with thsice).
309     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
310       + output_thsice.txt to test thsice & bulk_force pkgs.
311    o put back grid & coriolis monitor output.
312    checkpoint52b_pre
313    
314    o call "do_the_model_io" at the beginning (=> dump initial state)
315    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
316    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
317      (need info on NUMBER_OF_PTRACERS)
318    o missing PTRACERS headers in some routines
319    o default tamc.h in pkg/autodiff supposed to crash
320      to ensure proper customization
321    
322    checkpoint52a_post
323    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
324      - moved surfaceTendencyTice from pkg/seaice to main code
325      - subroutine FREEZE_SURFACE now limits only surface temperature
326        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
327        => new output.txt for global_ocean.cs32x15 & global_with_exf
328      - keep the old version of FREEZE for backward compatibility;
329        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
330      - corresponding modifs for TAF directives
331    o added surface flux output variables to TIMEAVE_STATVARS
332    o time-averaged output for pkg/ptracers
333    o fix problem with ECCO-related divided adjoint
334      snapshot file was missing some ad-variables,
335      but no warning issued by TAF
336    
337    checkpoint52a_pre
338    o some bug fixes for #undef REAL4_IS_SLOW
339    
340    checkpoint52 = ecco_c52_e35
341    o after testing adjoints of checkpoint51u_post
342    
343    checkpoint51u_post
344    o this is the post-merge tag of the ecco-branch
345      (needs another clean checkout and re-testing)
346    o various natl_box_adjoint configs and results
347      but no input fields
348    o obcs adjoint not yet merged!
349    o adding ECCO global 1x1 and 2x2 degree configs
350    o updated/extended some store directives for seaice
351    o pkg/ecco now containes ecco-specific part of cost function
352    o top level routines the_main_loop, forward_step
353      supersede those in model/src/
354      previous input data.cost now in data.ecco
355      (new namelist ecco_cost_nml)
356    o in ctrl/ cleaned some cross-dependencies and updated CPP options
357    
358    checkpoint51t_post
359    o this is the pre-merge tag of the ecco-branch
360    
361    checkpoint51s_post
362    o cleanup: removed various obsolete #define-s
363    o pkg/grdchk
364      - renamed 'ph-grd 3' to 'grad-res'
365      - merged from ecco-branch
366        (remaining bug fixes for obcs gradient checks)
367      - additional high-precision output for testreport
368        (grep for 'precision_grdchk_result')
369    
370    checkpoint51r_post
371    o cleaned up or removed CPP_OPTIONS.h files
372    o updated results for some of the tests to reflect the new
373      optfiles (-ieee: -O0 instead of -O3)
374    
375    checkpoint51q_post
376    o cd_code:
377      - moved cd_scheme.F -> cd_code_scheme.F
378      - separate read_checkpoint from cd_code_ini_vars.F
379      - separated cd_code part from write_checkpoint
380      - updated AD_SOURCE, generated .flow
381      - added CD_CODE_VARS.h to the_main_loop
382      - Moving cd_code specific store dir.s to pkg/cd_code
383    o ctrl package totally restructured
384      - pack/unpack now optional and decoupled from
385        xx_/adxx_ I/O
386      - ctrl_pack/unpack cleaned
387        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
388      - confined inclusion of AD_CONFIG.h to where necessary.
389    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
390    
391    checkpoint51p_post
392    o create initial cd_code package
393      - WARNING: the initialization of fields within packages
394        is broken because INI_FIELDS (where READ_CHECKPOINT is
395        called) is called *before* PACKAGES_INIT_VARIABLES.
396        This seems to be backwards since
397        1) its important to initially zero the entire field including
398           the "halo" region
399        2) zeroing needs to be done *before* reading pickup info
400           and the pickup call might or might not happen in any
401           particular run
402      - this needs an overhaul for R2
403    o cleanup verification/*/code/GMREDI_OPTIONS.h
404    o cleanup testreport
405    
406    checkpoint51o_post
407    o bringing AD-related verif's up to date with genmake2
408      - carbon/
409      - global_ocean.90x40x15/
410      - hs.94.1x64x5/
411      - (front_relax/ )
412    o (more) consistent directory structure for AD-related verif.'s
413    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
414    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
415    o bug fix in find_alpha.F for MDJWF:
416      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
417        change rho -> rho-rhoConst
418      - replace call find_rho to find_rhonum
419    o initialisation of rFlx extended to full array (required by TAF)
420      and shifted to thermodynamics
421    o removed PTRACERS.h in ptracers routine
422    o added surfacetendencyPtr to S/R parameter list pracers_forcing
423    o Correcting initialisations for fVerU, fVerV.
424    o helping TAF to recognize dependency on kUp for
425      fVerU, fVerV
426    o Replacing delZ by delR in pkg/ctrl/
427    checkpoint51o_pre
428    
429    o undid all of cp51 pending some cleanups and discussion
430    o added the [#include "AD_CONFIG.h"] statement to all files that need
431       it for adjoint/tl #defines
432     o re-worked the build logic in genmake2 to support AD_CONFIG.h
433     o removed tools/genmake since it no longer works
434    
435    checkpoint51n_post
436    o modifications to make FREEZE flux visible to pkg/kpp
437      - moved surfaceTendencyTice from pkg/seaice to main code
438      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
439      - subroutine FREEZE now limits only surface temperature
440        (this means new output.txt for global_ocean.90x40x15,
441         global_ocean.cs32x15, and global_with_exf)
442    o added surface flux output variables to TIMEAVE_STATVARS
443    
444    checkpoint51n_pre
445    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
446    o added [#include "AD_CONFIG.h"] to all files that use the following
447      defines:
448      - ALLOW_ADJOINT_RUN
449      - ALLOW_TANGENTLINEAR_RUN
450      - ALLOW_ECCO_OPTIMIZATION
451    
452    checkpoint51m_post
453    o incorporating changes to get TAMC/TAF working in genmake2
454      - added new TAMC/TAF targets to the Makefile
455      - various cleanups related to package handling
456      - these changes should have no impact on the forward model
457    
458    checkpoint51l_post
459    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
460     - faster algorithm for cal_addtime.F
461     - higher precision arithmetic, where needed
462     - pkg/exf *startdate variables changed from calendar date to
463       model integration time
464    
465    checkpoint51l_pre
466    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
467    o enable to apply restoring on S & T only in a latitude band.
468    o update output (external_forcing_surf modif. change truncation errors)
469       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
470    
471    checkpoint51k_post
472    o change default to: useNHMTerms=.FALSE.
473     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
474       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
475     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
476        exp1, ideal_2D_oce
477     - change data file of oceanic exp (leave the results unchanged for now)
478       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
479    o set gravitySign automatically according to the vertical coordinate used
480      (and change sign: back to "logical" value: +1 when R increases downward)
481    o added an include barrier to the default CPP_OPTIONS.h and
482      removed the #include "PACKAGES_CONFIG.h" from it
483    o fix a bug in mom_fluxform (from chk51j_post)
484    
485    checkpoint51j_post
486    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
487    o adjusted some flow directives (dynamics, thermodynamics)
488    o added cubed-sphere case to test cost function
489    o heckpoint_lev?_directives.h now include
490      pkg-specific directives, whenever those are enabled.
491    o Moving pkg-specific flow directives to corresponding pkg
492      Moving pkg-specific differentiation list to corresponding pkg
493      Moving pkg-specific checkpoint-lev storing to corresponding pkg
494      ---> conventions are
495           - pkg_ad.flow
496           - pkg_ad_diff.list
497           - pkg_ad_check_lev?_dir.h
498    
499    checkpoint51i_post
500    o merge of the branch-genmake2
501      - knowingly breaks the older genmake
502      - automatic generation of all ALLOW_${PKG_NAME} defines
503      - new testreport supersedes older testscript
504    o large number of package inclusion and header cleanups
505    checkpoint51i_pre
506    
507    o new output for adjoin of global ocean vector invariant
508    o fix for checkpoint of thermodynamic seaice and bulk_force
509    o Steph gchem various cleanups
510    
511    checkpoint 51h_pre
512    o fixed some single quotes
513    o modify gchem pkg to be more versatile
514    o modifications to clean up dic pkg
515    o add pkg/cfc
516    
517    checkpoint51g_post
518    o provide links for ARPACK and ADM*TLM
519    o start removing verification/vero/
520    o update AD-related stuff
521      (in particular some IF-statements in model/src/ routines)
522    o adding to verification/global_ocean.90x40x15/ adjoint of
523      vector invariant setup
524    
525    checkpoint51f_post
526    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
527    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
528      of tracer Green's fucntions for ocean inversion project.
529    
530    checkpoint51f_pre
531    o Added on-the-fly spatial interpolation capability
532        "USE_EXF_INTERPOLATION" to pkg/exf.
533      - This is a temporary Cartesian-grid hack until
534        the super-duper ESMF coupler becomes available.
535      - See verification/global_with_exf/README for usage example.
536      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
537        flags and modified pkg/seaice accordingly.
538    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
539        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
540        non-local transport term.
541    
542    checkpoint51e_post
543    o pkg/mom_vecinv:
544      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
545      - add time-ave diagnostic of vorticity advection.
546    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
547    o atmospheric geopotential: - include water vapor effect;
548                                - use p^kappa in p* scaling.
549    o land pkg: read initial state from files.
550    o AIM : add stratospheric drag in the upper level
551    
552    checkpoint51d_post
553    o change function ILNBLNK (=> last non-blank char.) to return zero
554      (instead of the string length) when the string. char is empty
555    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
556    o modif's to restore TAMC compatibility
557      - avoid "_d" constructs in PARAMETER declarations
558      - avoid interrupting lines by comment lines
559    o Use cluster local disks for purely local I/O
560      vs. globally visible disks needed for ctrl stuff
561      (merged from ecco-branch)
562      - new active_file_loc... and mdsio_..._loc routines
563      - affected packages: autodiff, ctrl, grdchk, mdsio
564    
565    checkpoint51c_post
566    o introducing integer flag debugLevel
567      - debLevZero: suppress all output
568      - debLevA: standard
569      - debLevB: equivalent to current debugMode=.TRUE.
570    o introducing pathname variable mdsioLocalDir for mdsio
571      that can be specified at runtime
572      (relevant for cluster I/O to local disk)
573    `
574    >>>checkpoint51b_post
575    adjoint of ptracers
576    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
577    o extended state in checkpoint_lev?, etc.
578    o alternative ctrl/cost with tr1 or ptracer
579    o new comlev1_bibj_ptracers
580    o new ptracers.flow
581    o made ptracers_forcing same as external_forcing_s
582    o added verification for adjoint with ptracers
583      - adm. grdchk fail so far
584      - tlm. grdchk OK
585      - checked tapelev/comlev recomputations: OK
586    <<<checkpoint51b_pre
587    
588    checkpoint51a_post
589    o added code for biogeochemistry package
590      - new pkgs: dic, gchem
591      - new subroutine in ptracers
592    o modify code for biogeo packages
593      - in model/src and pkg/ptracers
594    
595    checkpoint51
596    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
597      - autodiff, ctrl, exf, grdchk, seaice
598      kept separate packages
599      - cost, ecco, obcs
600    o updating verification/internal_wave, verification/lab_sea
601      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
602    
603    checkpoint50i_post
604    o Preparing next differentiable checkpoint and sync
605      of MAIN vs. ecco-branch
606      - 1st step: this one is differentiable
607      - 2nd step: next(! not this) checkpoint will have updated packages
608                  from ecco-branch)
609    
610    checkpoint50h_post
611    o new package "land": provide surface BC for AIM.
612    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
613    o AIM: use true log-P extrapolation for near surface temp (= as in
614        F.Molteni paper) ; update aim.5l_cs output.
615    o New variable in PARM03 for more flexible pickups
616    o somewhat cleaned package initialisation sequence for
617      ctrl/ cost/ ecco/ in packages_... routines
618    
619    checkpoint50g_post
620    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
621      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
622      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
623        made the default because of faster convergence than ADI
624    
625    checkpoint50f_post
626    o exf totally restructured
627      - replaced all exf_set_ routines by one generic exf_set_gen.F
628        and made sure it's still differentiable
629      - split exf_getffields.F into new exf_bulkformulae.F
630      - exf_inscal_/exf_outscal_ suffixes consistent with field names
631      - updated adjoint/makefile and relevant verif. accordingly
632    
633    checkpoint50f_pre
634     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
635          + change Evap over land. (update aim.5l_cs output)
636     o added missing .cvsignores and made uniform across expts
637     o changed configuration of tidal_basin_2d expt
638     o added pkg/debug functions for tracing code in fatal crashes
639     o tidied pkg/monitor to use MONITOR_OPTIONS.h
640     o new fn in pkg/monitor to stop model if solution grows too big
641     o removed lots of single quotes from comments
642    
643    checkpoint50e_post
644    o make KPP work with PTRACERS
645     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
646       nearly a copy of kpp_transport_s
647     - there is no analogue to SurfaceTendencyS, so I have to use
648       gPtr(of the surface layer) instead
649    o add a new platform SunFire+mpi (SunFire 15000) to genmake
650    checkpoint50e_pre
651    
652    checkpoint50d_post
653    o change kpp output from multiple-record state files to single-record state
654      files analogous to write_state.F
655    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
656      analogous to the cg2d-related output.
657    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
658      so that writing to internal file fn (with length 512) fails.
659    checkpoint50d_pre
660    
661    checkpoint50c_post
662    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
663    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
664    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
665    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
666    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
667    
668    checkpoint50c_pre
669    Merging from release1_p13:
670    o bug fix for pkg/seaice dynamic solver
671    o Added SEAICE_initialHEFF to pkg/seaice
672    
673    checkpoint50b_post
674    o store u*,v* in gU,V instead of in guNm1,gvNm1
675    o in order to put the momForcing out of the Adams-Bashforth:
676      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
677      to timestep.F
678    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
679    o re-generate output for highly sensitive test-exp:
680       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
681    
682    checkpoint50b_pre
683    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
684    o corrected CPP option mismatch in exf_Bulk... functions for case
685      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
686    
687    checkpoint50a_post
688    o Bug fix for merging between c50 and KPP.
689      ikey was passed from thermodynamics to kpp_calc via
690      common block rather than being recomputed in kpp_calc,
691      in contradiction with new key itdkey.
692      New key ikppkey created, and tamc.h headers updated.
693    
694    checkpoint50
695    - 2nd step of merge with ecco-branch:
696      merge changes in ecco-branch back into main trunk
697    - bug fix in find_alpha
698    - more storing in gmredi_calc_tensor.F, kpp_routines.F
699    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
700    - merged some sliced AD support routines
701    
702    checkpoint49
703    merged from ecco-branch:
704    o exf:
705      - Enable initialisation of forcing fields to constant
706        (runtime) values.
707      - in exf_getffields.F
708        Reduce i-/j-loop to interior domain, discarding overlaps.
709        That also fixes wrong TAF-key computations for key_1, key_2
710        with bulf formulae.
711      - exf_init.F modify #ifdef for exf_init_evap
712      - exf_getffieldrec.F, ctrl_getrec.F
713        The following INT-usages are not safe:
714          fldsecs  = int(fldsecs/fldperiod)*fldperiod
715          fldcount = int(fldsecs/fldperiod) + 1
716        and were modified.
717    o autodiff: checkpoint_lev...
718      - updated storing for bulk formulae (some arrays were missing)
719      - added state for seaice package
720      - synchronized with main branch
721    o DIVA:
722      Modif.s in
723      - the_main_loop.F
724      - the_model_main.F
725      and added cost_final_restore.F cost_final_store.F
726      o With these changes, it is possible to fully separate
727        the first forward run to compute the cost function (mdthe_main_loop)
728        and adjoint runs over individual DIVA intervals (adthe_main_loop)
729        into separate model executions.
730        This enables better tuning of DIVA to given queue sizes.
731      o Loss of cost function value in consecutive DIVA runs is
732        fixed by storing to 'costfinal' file.
733      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
734        beginning/end of adjoint integration is accounted for.
735      The current changes apply to TAF-1.4.26.
736      TAF has one remaining bug, requiring one manual change
737      (see MITgcm manual).
738    o cal: synchronized between MAIN and ecco-branch
739    
740    checkpoint48i_post
741    o Changes to restore differentiability of code w.r.t. previous tag
742      (mostly adding new routines to make list and replacing
743      pressure by totPhiHyd).
744    o Updated and merged grdchk package
745      - has both ADM and TLM checks
746      - works for single- and multi-proc.
747      - output cleaned
748      - worked successfully for parallel DIVA
749    o genmake:
750      - Adding -platform=SP4
751      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
752    o Modif. for DIVA:
753      ctrl_unpack should not be called in intermediate DIVA interval.
754      (similar thing would apply for active files such as
755      tbar, sbar, psbar, which should not be reinitialised;
756      only relevant for ecco-branch)
757    
758    checkpoint48h_post
759    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
760    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
761    o Added SEAICE_initialHEFF to pkg/seaice
762    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
763    
764    checkpoint48g_post
765    --- EOS:
766    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
767      store total Potential in totPhyHyd for diagnostics & EOS.
768    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
769    --- Pressure/geopotential gradient:
770    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
771    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
772      ( changes results of global_ocean_pressure )
773    o NLFS + z-coord.: add eta*Rho' contribution.
774    o accurate phiHyd when using interface-W at the middle between 2 centers
775     ( changes results of ideal_2D_oce )
776    o includes r* 2nd term in potential gradient.
777    
778    checkpoint48f_post
779    Merging from release1_p12:
780    o Modifications for using pkg/exf with pkg/seaice
781      - improved description of the various forcing configurations
782      - added basic radiation bulk formulae to pkg/exf
783      - units/sign fix for evap computation in exf_getffields.F
784      - updated verification/global_with_exf/results/output.txt
785    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
786      (SBO) core products, including oceanic mass, center-of-mass,
787      angular, and bottom pressure (see pkg/sbo/README.sbo).
788    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
789      to avoid negative values in shallow regions.
790      - updated verification/natl_box/results/output.txt
791      - updated verification/lab_sea/results/output.txt
792    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
793    o Added useSingleCpuIO option (see PARAMS.h).
794    o Updated useSingleCpuIO option in mdsio_writefield.F to
795      work with multi-field files, e.g., for single-file pickup.
796    o pkg/seaice:
797      - bug fix in growth.F: QNET for no shortwave case
798      - added HeffFile for specifying initial sea-ice thickness
799      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
800    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
801      kpp_transport_t.F, forward_step.F, and the_main_loop.F
802    o pkg/seaice:
803      - adjoint-friendly modifications
804      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
805    
806    checkpoint48e_post
807    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
808    o dynamics: change definition of computational domain & adapt mom_fluxform
809      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
810    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
811        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
812        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
813        global_ocean.90x40x15 global_with_exf global_ocean_pressure
814        inverted_barometer solid-body.cs-32x32x1
815      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
816    
817    checkpoint48d_post
818    o in preparation for r*:
819     a) use pre-computed gradient of hydrostatic potential:
820        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
821     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
822        => affects results of glob_oce_pressure (different truncation error)  
823      update output.txt of ideal_2D_oce & global_ocean_pressure
824    
825    checkpoint48d_pre
826    o in preparation for r*:
827      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
828      pass the 2 comp. of the grad. as arguments to momentum S/R.
829      but for the moment, only used if it does not change the results.
830    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
831    
832    checkpoint48c_post
833    Modifications in treatment of initial flux forcing controls
834    to avoid extra storing of flux fields.
835    
836    checkpoint48c_pre
837    o Added tidal_basin_2d experiment (currently 1D!)
838    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
839    
840    checkpoint48b_post
841    o r* coordinate added in #ifdef NONLIN_FRSURF block.
842     (modification to pressure gradient not yet implemented)
843    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
844      (for U & V) that are used for vertical advection of momentum.
845    
846    checkpoint48a_post
847    o In preparation for r*, use temp. array to compute vertical transport
848       in flux-form momentum pkg. => change results of few test-exp.
849      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
850                        lab_sea, natl_box & plume_on_slope
851    
852    checkpoint48
853    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
854    
855    checkpoint47j_post
856    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
857    o moved adexch from forward_step to addummy_in_stepping
858    o added exch in ctrl_map_...
859    o aveFreq.=0. at end of cost_final to avoid overwrite in
860      reverse checkpointing loop
861    o Yet more changes in gmredi:
862      * adgmredi_calc_tensor
863        avoiding all recomputation of gmredi_slope_limit
864      * adgmredi_x/y/rtransport
865        added flag for excessive storing to avoid recomp. of
866        u/v/rtans, dTdx/y/z
867        -> this is not really necessary and very memory-consuming
868      * adgmredi_slope_psi:
869        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
870      * gmredi_slope_limit
871        re-activated full calculation of taperfct for case 'ac02'
872    o updating verification/ adjoints of carbon, global_ocean.90x40x15
873    
874    checkpoint47i_post
875    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
876    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
877      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
878    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
879    o gmredi: fix few bugs.
880    
881    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
882    This will be a good checkpoint to plug into the ecco-branch.
883    o few modif.'s to get latest version adjointed
884      (mainly kick out code in ini_linear_phisurf)
885    o modif's to run adjoint with exactConserv
886    o case GM_BOLUS_ADVEC should be cleaned
887      S/R gmredi_slope_psi should be cleaned
888    o verification/carbon now has exactConserv=.TRUE.
889    
890    checkpoint47g_post
891    o time-average AIM output: becomes independent from statvars time-average
892      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
893    o After TAF bug fix:
894      Tested adjoint of gmredi package.
895      Tests were done with checkpoint47 rather than with latest
896      checkpoint47f_post since the latter is broken for the adjoint
897      verification/carbon/ contains both ADM and TLM gradient checks.
898    Here they are, before they get changed/lost/stolen.
899    Mostly modif.'s to fix numerical sensitivities.
900    Gradient checks OK for
901    - GM_taper_scheme:
902      * clipping
903      * ac02
904      * linear
905      * glw91
906      * dm95
907      * ldd97
908    - GMREDI_OPTIONS:
909      * GM_VISBECK_VARIABLE_K
910      * GM_NON_UNITY_DIAGONAL
911      * GM_EXTRA_DIAGONAL
912      * GM_BOLUS_ADVEC
913    in conjunction with data.gmredi parameters to be checked in
914    in a few minutes under verification/carbon/code/
915    
916    checkpoint47f_post
917    Merging from release1_p10:
918    o modifications for using pkg/exf with pkg/seaice
919      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
920        and SEAICE_EXTERNAL_FLUXES
921      - pkg/exf CPP options EXF_READ_EVAP and
922        EXF_NO_BULK_COMPUTATIONS
923      - usage examples are Experiments 8 and 9 in
924        verification/lab_sea/README
925      - verification/lab_sea default experiment now uses
926        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
927    
928    checkpoint47e_post
929    o created a tag prior to creating a branch
930    
931    checkpoint47d_post
932    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
933      at the bottom boundary had an erroneous half slip boundary condition
934    o added bottom drag and no slip boundary condition capabilities to
935      oceanic pressure coordinates code
936    o added new verification experiment global_ocean_pressure, this experiment is
937      also described in the tutorial section of the manual
938    checkpoint47d_pre
939    
940    checkpoint47c_post
941    o Added a verification experiment for a global cubed-sphere ocean run
942      -  verification/global_ocean.cubed32x32x30
943      -  uses pkg/therm_seaice and pkg/bulk_forcing
944    
945    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
946    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
947      when using P-coordinate; only implemented for atmospheric config.
948    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
949      NOTES: requires option NONLIN_FRSURF to be "#define".
950    o update advect_xz/results/output.txt (left from checkpoint44g_post)
951    
952    checkpoint47b_post
953    Merging from release1_p9:
954    o pkg/seaice
955      - removed GOTO's and added taf directives
956      - double precision constants to reduce the g77 (Linux)
957        to F77 (SGI) differences reported in release1_p8
958    o tools/genmake
959      - added SGI options
960    o verification/testscript
961      - updated to that of checkpoint47a_post
962    o verification/global_ocean.90x40x15/input/eedata
963      - modified for SGI f77 compatibility
964    o verification/lab_sea
965      - added description of sea-ice model
966      - added missing matlab routines
967      - added test of thermodynamics parallelization
968    
969    checkpoint47a_post
970    o new pkg: aim_v23
971     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
972       for now, keep the same surface forcing as before.
973     - Part-Cell implemented into AIM; check that Heat & Water are conserved
974     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
975     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
976    o add diagnostic of surface correction term in monitor output
977    
978    o bulk_force and therm_seaice
979    - Two packages:  bulk_force (Bulk forcing)
980      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
981    - Earlier integration from Stephaine Dutkiewicz
982      and Patrick Heimbach.
983    - Two ifdef statements for compile time,
984       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
985    
986    checkpoint47
987    differentiable version of checkpoint46n_post
988    o bug fix in quasihydrostaticterms
989    o * "clean" adjoint code (in terms of extensive recomputations)
990        can now be obtained for all GMREDI options (i.e. for
991        - GM_VISBECK_VARIABLE_K
992        - GM_NON_UNITY_DIAGONAL
993        - GM_EXTRA_DIAGONAL
994        - GM_BOLUS_ADVEC )
995      * However, wrong gradient check problem remains unsolved.
996      * New CPP options have been introduced for different
997        tapering schemes
998    o external_fields_load now part of differentiation list
999    o pressure needs multiple storing;
1000      would be nice to have store_pressure at beginning or
1001      end of forward_step, e.g. by having phiHyd global (5-dim.)
1002      (NB: pressure is needed for certain cases in find_rho,
1003      which is also invoked through convective_adjustment).
1004    o recomputations in find_rho for cases
1005     'JMD95'/'UNESCO' or 'MDJWF' are OK.
1006    o #define ATMOSPHERIC_LOADING should be differentiable
1007    o ini_forcing shifted to begining of initialise_varia
1008    o Incorporating QNVS line search routines into MITgcm
1009      (this is separate code, and therefore not under pkg)
1010      lsopt/, optim/
1011    o Updated verification/carbon/
1012      - #define GM_VISBECK_VARIABLE_K
1013      - GM_taper_scheme    = 'ldd97'    
1014    
1015    checkpoint46n_post
1016    Merging from release1_p8:
1017    o verification/natl_box:
1018      updating new external_fields_load routine
1019    o New package: pkg/seaice
1020      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
1021      The sea-ice code is based on Hibler (1979-1980).
1022      Two sea-ice dynamic solvers, ADI and LSR, are included.
1023      In addition to computing prognostic sea-ice variables and diagnosing
1024      the forcing/external data fields that drive the ocean model,
1025      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
1026      The implied surface heat flux is then stored in variable
1027      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
1028      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
1029      non-local transport term.  Because this call precedes model
1030      thermodynamics, temperature under sea-ice may not be "exactly" at
1031      the freezing point by the time theta is dumped or time-averaged.
1032      N.B.: fairly large differences in accuracy occur across
1033            different platforms/compilers; comparison between
1034            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
1035            generated output gives:
1036       T           S           U           V
1037      C D M    c        m  s        m  s        m  s        m  s
1038      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
1039      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
1040      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
1041    
1042      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
1043    o GAD:
1044      - generated new common blocks to account for call of
1045        same gad routines with differing traceridentities
1046        (needed to modify tracerIdentity indices in GAD.h)
1047      - generated separate common blocks for case useCubedSphereExchange
1048        (Department of Futurology)
1049      - parameter lists to gmredi_?transport: added tracerIdentity
1050      - added new key indices to tamc.h
1051    o external_fields_load:
1052      - added this routine to TAF list
1053      - needed to make some common blocks global and additional storing
1054        along the same lines as exf package (checkpoint_lev?_directives.h)
1055    o exf:
1056      updated external forcing package
1057      - bug fixes carried over from ecco-branch
1058        (missing OBCS_OPTIONS.h in two routines)
1059      - enable easy to use "no forcing".
1060      - added exf I/O for atmospheric loading
1061      - added exf I/O for runoff data
1062      - transfered scaling between exf <-> MITgcm to exf namelist
1063    o Adding new verification experiment global_with_exf.
1064      This verification experiment is almost identical to the
1065      global_ocean.90x40x15 experiment, except that it uses
1066      the exf (and cal) package instead of the
1067      external_fields_load routine (cf README file).
1068    
1069    checkpoint46m_post
1070    o modified testscript to return -- when there are no lines of "%MON" output
1071    o added new flag "quasiHydrostatic" for QH mode
1072      and new routine quasihydrostaticterms()
1073    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
1074      New routine: mom_u_coriolis_nh()
1075    o fixed sign of non-hydrostatic metric terms in u and v equations.
1076      Depend on correct sign of gravitySign.
1077    o added work.pc* to .cvsignore in aim directories using ifc
1078    o introduced flag for controllin non-hydrostatic metric terms
1079    o removed gravitySign from PARM04
1080    o switched to g77/ifc from pgf77 in aim experiments
1081    
1082    checkpoint46l_post
1083    o made convective adjustment work with pressure coordinates:
1084     - changed the direction of k-loop in convective_adjustment.F for the
1085       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
1086     - adjusted the reference pressure k-index in convective_adjustment.F
1087     - adjusted the convection condition in convect.F (in analogy to
1088       calc_ivdc.F)
1089     - convective_adjustment no longer computes anything on the halos
1090     - removed the warnings about negative salinity from find_rho.F and
1091       find_alpha.F; instead the new routine look_for_neg_salinity, called
1092       at the beginning of find_rho, find_alpha, and find_beta, does a
1093       check of the entire slice, if CPP-option
1094       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
1095    checkpoint46l_pre
1096    
1097    checkpoint46k_post
1098    o fixed the verification/global_ocean.90x40x15 experiment:
1099     - new bathymetry (the world according to A., JMC, and M.)
1100     - new initial fields and forcing fields (*.bin files)
1101     - new POLY3.COEFFS (for the next release one should switch to a full
1102       equation of state: JMD95P or MDJWF)
1103     - fixed several errors and redundancies in the data file
1104     - experiment uses looped cells
1105     - added matlab directory with diagnostic scripts for plotting of output
1106    
1107    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
1108     - read AIM physics parameters from a file (data.aimphys)
1109     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
1110    
1111    checkpoint46j_post
1112    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
1113    o move wVel computation at the end of the time step, in S/R integr_continuity
1114    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
1115    o update timeave pkg for wVel diagnostic.
1116    checkpoint46j_pre
1117    
1118    checkpoint46i_post
1119    o Clean up AIM package (and keep the results unchanged):
1120      include CPP_OPTION and use IMPLICT NONE in all routines ;
1121      declare all the variables _RL ; use _d 0 for all numerical constants.
1122      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
1123    
1124    checkpoint46h_post
1125    o cleaned up the use of rhoNil and rhoConst.
1126      - rhoNil should only appear in the LINEAR equation of state, everywhere
1127        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
1128        and the dynamical equations are all divided by rhoConst
1129    o introduced new parameter rhoConstFresh, a reference density of fresh
1130      water, to remove the fresh water flux's dependence on rhoNil. The default
1131      value is 999.8 kg/m^3
1132    o cleanup up external_forcing.F and external_forcing_surf.F
1133      - can now be used by both OCEANIC and OCEANICP
1134    checkpoint46h_pre
1135    
1136     Added code to convert surface volume flux (fresh water) into
1137     a mass flux when using P coordinates in the ocean (OCEANICP).
1138     Note: It assumes you have set rho0=rhoConst=density of fresh water.
1139    
1140    checkpoint46g_post
1141    o Include a new diagnostic variable phiHydLow for the ocean model
1142      - in z-coordinates, it is the bottom pressure anomaly
1143      - in p-coordinates, it is the sea surface elevation
1144      - in both cases, these variable have global drift, reflecting the mass
1145        drift in z-coordinates and the volume drift in p-coordinates
1146      - included time averaging for phiHydLow, be aware of the drift!
1147    o depth-dependent computation of Bo_surf for pressure coordinates
1148      in the ocean (buoyancyRelation='OCEANICP')
1149      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
1150        Theta, Salinity, and Pressure in the parameter list. This routine is
1151        presently contained in find_rho.F. This routine does not give the
1152        correct density for 'POLY3', which would be a z-dependent reference
1153        density.
1154    o cleaned up find_rho
1155      - removed obsolete 'eqn' from the parameter list.
1156    o added two new verification experiments: gop and goz
1157      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
1158    checkpoint46g_pre
1159    
1160    checkpoint46f_post
1161    o Enable tangent linear (forward mode) gradient checks:
1162      - extended active file handling to g_... files
1163      - added TANGENT_SIMULATION to theSimulationMode
1164      - extended grdchk package accordingly
1165    o added tangent linear setup in verification/carbon/code_ftl
1166    o added adjoint setup in verification/front_relax/code_ad
1167    
1168    checkpoint46e_post
1169    o Added new equation of state -> MDJWF
1170      - EOS of McDougall et al., 2002, JAOT, submitted
1171      - caveat: the equation of state is only valid for a smaller (more
1172        realistic?) range of values than JMD95P/Z and UNESCO
1173      - added masks to the calculation of pressure in store_pressure
1174      - added more check values for density in check_eos (ini_eos.F), some of
1175        the old check values are out of the range of the MDJWF-eos, so don't
1176        expect perfect matches for those
1177    checkpoint46e_pre
1178    
1179    checkpoint46d_post
1180    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
1181      'OCEANICP', also initialised field pressure correctly in ini_eos in the
1182      case of pressure coordinates. eosType='JMD95Z' in
1183      combination with buoyancyRelation='OCEANICP' now causes an error.
1184    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1185      in find_alpha/beta.
1186    checkpoint46d_pre
1187    
1188    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1189      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
1190    
1191    checkpoint46c_post
1192    o Changes necessary for ocean in p-coordinates
1193     -  Added new buoyancy relation = 'OCEANICP'
1194     -  Added new parameters = gravitySign (this used to be contained inside
1195        the factor dRdZ which I added when we first switched to R coordinates).
1196     X GM/Redi is not compatible (yet)
1197     X bottom drag and no-slip need to be debugged.
1198    checkpoint46c_pre
1199    
1200    checkpoint46b_post
1201    o Added new equation of state -> JMD95Z and JMD95P
1202      - EOS of Jackett and McDougall, 1995, JAOT
1203      - moved all EOS parameters into EOS.h
1204      - new routines ini_eos.F, store_pressure.F
1205    o Added UNESCO EOS, but not recommended because it requires
1206      in-situ temperature (see JMD95)
1207    o Modified formatting for knudsen2.f in utils/knudsen2 and added
1208      unesco.f to be used with POLY3
1209    checkpoint46b_pre
1210    
1211    checkpoint46a_post
1212    o Added (atmospheric) pressure loading
1213      - new field in FFIELDS.h, etc...
1214      - new cpp flag ATMOSPHERIC_LOADING
1215    o Changed hFacC to _hFacC in calc_phi_hyd.F
1216    o Added SHORTWAVE_HEATING to some files for consistency
1217    checkpoint46a_pre
1218    
1219    checkpoint46
1220    further merges from release1_p5
1221    o new ctrl package
1222      - adopted from ECCO environment to enable optimization
1223      - added Eliassen Palm fluxes to controls
1224    o added Eliassen Palm flux controls to gradient check package
1225    o cost package
1226      - Compatible with new ctrl package
1227      - added Eliassen Palm cost hooks
1228      - modif's of existing cost functions
1229    o Adjoint-related bug fixes in kpp:
1230      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
1231      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
1232    o autodiff package
1233      - flow directives:
1234        + new for S/R do_the_model_io
1235        + enhanced for S/R checkpoint
1236        + new gmredi.flow
1237      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
1238        disable adcommon.h/g_common.h by default.
1239      - fixed problem for adjoint of global_max
1240    o modified verification/carbon/
1241    o New setup for adjoint of global_ocean
1242    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
1243    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
1244    o incorporated hooks for sponge layer code (external_forcing.F)
1245    
1246    checkpoint45d_post
1247    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
1248  o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S  o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
1249    (affects plume_on_slope "cg2d" output)    (affects plume_on_slope "cg2d" output)
1250    o add new parameter deltaTfreesurf for free-surface time stepping
1251    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
1252  o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B  o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
1253  o change phiMin in exp1 (to agree with documentation)  o change phiMin in exp1 (to agree with documentation)
1254  o add new flags:  o add new flags:

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