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revision 1.81 by adcroft, Thu Aug 15 17:25:26 2002 UTC revision 1.323 by jmc, Wed Jul 7 02:12:08 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 staggerTimeStep & NLFS: rescale T & S surface tendencies.
7      affects (truncation error) output of lab_sea & natl_box exp.: updated
8    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
9    
10    checkpoint54a_post
11    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
12    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
13    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
14    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
15      + internal_wave (shift in writing cg2d_ini_res)
16    checkpoint54a_pre
17    
18    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
19      - modified verification/lab_sea and natl_box_adjoint accordingly
20    
21    checkpoint54
22    checkpoint53g_post
23    o prepare splitting of thermodynamics: store convect.counter in common block
24    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
25      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
26    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
27    o new parameter "nShapS": allow to treat differently S from T (nShapT)
28    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
29    o restore adjointability
30    
31    checkpoint53f_post
32    o modifications that affect AIM experiment results (update output.txt):
33      - no advection of S at top interface Nr (pkg/generic_advdiff)
34      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
35    o AIM pkg:
36      - include stability function into surf.Flux derivative relative to Tsurf
37      - calculate clear-sky radiation & surface temp. change (for diagnostics)
38    
39    checkpoint53e_post
40    o merged cylindrical coord configuration
41    o added rotating_tank experiment
42    checkpoint53e_pre
43    
44    checkpoint53d_post
45    o faulks upgraded: re-generate output.txt that have changed:
46       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
47    o Added Bryan and Lewis, 1979, vertical diffusivity profile
48    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
49    o added Sadourny discretization of Coriolis
50      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
51      - re-enabled use of omega3 (useAbsVorticity)
52    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
53      vector-invariant equations
54      - note: does *NOT* yet use same variable visc. for no-slip BC's.
55    o recoded the lateral boundary conditions for non-hydrostatic w, this time
56      hopefully without new bugs
57      - still to do: biharmonic friction for non-hydrostatic w
58    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
59    o regenerated output for global_ocean_ebm (using -ieee)
60    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
61      of mom_common/
62      - simple re-arrangement of instructions within computing loop
63    checkpoint53d_pre
64    
65    checkpoint53c_post
66    o new version of coupler for AIM+thSIce and Ocean models
67     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
68     - land: change Evaporation of snow
69     - aim with thSIce: fix bug in snow-precip.
70    o changes to calc_gw.F
71     - bug fix for w^2 term near the bottom boundary
72     - (hopefully) improve the lateral slip boundary condtions for use with
73        partial/looped cells
74      - because the bug fix changes two verification experiments anyway (exp5
75        and plume on slope), change the lateral boundary condition from half slip
76        to the value of no_slip_sides
77    o ebm package wasnt quite up to the parallel task. Fixed that.
78    o Adjoint of EBM package + verification
79      * TLM OK
80      * ADM not sufficient accuracy yet (needs further testing)
81    
82    checkpoint53b_post
83    o Commiting new energy balance model to repository
84      * package is pkg/ebm
85      * verif. is verification/global_ocean_ebm
86      * references are in ebm_driver.F
87    C      * X. Wang, P. Stone and J. Marotzke, 1999:
88    C        Global thermohaline circulation. Part I:
89    C        Sensitivity to atmospheric moisture transport.
90    C        J. Climate 12(1), 71-82
91    C      * X. Wang, P. Stone and J. Marotzke, 1999:
92    C        Global thermohaline circulation. Part II:
93    C        Sensitivity with interactive transport.
94    C        J. Climate 12(1), 83-91
95    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
96    C        Destabilization of the thermohaline circulation
97    C        by atmospheric eddy transports.
98    C        J. Climate 7(12), 1870-1882
99    o Will need long integration testing.
100    checkpoint53b_pre
101    
102    o created pkg/mom_common in preparation for variable viscosity code
103    o renamed and split ini_mnc_io
104    o pkg/land: only liquid water can diffuse or run-off
105    o AIM using land: soil wetness availability account for snow
106    o added printMapIncludesZeros to EEPARMS namelist
107    
108    checkpoint53a_post
109    o restore TAMC compatiility for exf_constants.h
110      (no usage of _d in .h)
111    o Additional storing in KPP in an attempt to fix
112      TAMC problem with adjoint of KPP code.
113      (no success...)
114      Identical code works fine with TAF.
115    o Fixed verification/natl_box_adjoint experiments.
116      Initial conditions for Experiments 4 and 5 are now
117      set to "SEAICE_initialHEFF=0", which is more reasonable,
118      and hence gives results closer to that of Experiment 2.
119      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
120    
121    checkpoint53
122    o stable checkpoint with up to date adjoint
123      TLM tests only run for 1st grdchk at the moment. Its unclear if
124      this is a code problem or a problem with resetting code for g_
125      variables that is being autogenerated wrong.
126      Otherwise:
127       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
128       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
129         are both still in chaos following their security messes.
130    
131    checkpoint52n_post
132    o various build (mostly genmake2) changes including:
133      - ability to build/run more easily within Cygwin and MacOS X
134      - more complicated Makefiles with a stronger dependence on Gnu Make
135    o pkg/seaice modifications
136      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
137        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
138        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
139      - changed proxy for geostrophic velocity and updated
140        verification/lab_sea/results/* accordingly
141      - removed ADI dynamic solver from pkg/seaice
142      - replaced all occurrences of 1/CSTICE or 1/CSUICE
143        they caused a segmentation fault under certain circumstances
144      - removed unused field WATR
145    o bug fix in exf-package:
146      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
147         now reflect that.
148    o small fixes in the cal-package:
149      - set reference date to first of January for the 'model'-calendar
150      - failing of cal_CheckDate in cal_FullDate now actually results in a
151        warning
152    o small modifications in exf-package to increase flexibility:
153      - change climtempfreeze from a constant to a runtime parameter that
154        is specified in data.exf_clim (default = -1.9)
155      - introduce runtime parameter windstressmax (default = 2.0) that is
156        specified in data.exf
157    o fix in pkg/thsice:
158      - update Evap (Tsf changes) to be consistent with Latent heat flux
159      - maintain snow precipitation unchanged (even if Tsf >=0).
160     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
161    
162    checkpoint52m_post
163    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
164      this does not change any of the results, because myIter=0 in swfrac always
165      lead to jwtype=2 (the default anyway), but the call makes little sense
166      as a default
167    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
168    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
169      atmospheric model (AIM) to use it ; add a "slab ocean" component.
170    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
171    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
172    o extending useSingleCpuIO option to work with new exch2 I/O format
173      - old-style, missing-tile I/O is still accessible by defining CPP
174        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
175    o monitor package can write to NetCDF files and/or STDOUT
176    o fix re-definition bug in MNC_GRID_INIT_ALL()
177    o doc/api_reference added
178      - a framework for building an API Reference Manual using all
179        the "protex" comments embedded in the code
180      - see pkg/generic_advdiff, pkg/mnc for examples
181    o MNC:
182      - make myThid the last argument for all subroutines
183      - new default for the grid files: NO halos
184      - add useMNC and other run-time flags
185      - separate per-file-group handling of the unlimited dimension
186      - early initialization of MNC w/ flags read at the eeboot stage
187        and lookup tables set in initialize_fixed
188      - write all MNC output to a freshly-created directory
189    o thermodynamics sea-ice (thsice) is now tested with testreport.
190    o test exp. advect_cs: use the standard cs32 grid ; update output.
191    o Added functionality to grdchk:
192      pick global i,j,k position (or nearest wet) where to perform check.
193    
194    checkpoint52l_post
195    o new land formulation:
196      a) use ground enthalpy as prognostic variable to ensure exact
197         energy conservation.
198      b) account for water temperature and for latent heat of freezing
199         in all processes (rain, run-off, ground storage)
200      c) compute surface and ground temperature implicitly.
201    o aim_v23 modification for new land model:
202      a) Treat separately land / ocean / sea-ice surface fluxes
203         to allow implicit computation of land & sea-ice surface temp.
204      b) add snow precipitation.
205    checkpoint52l_pre
206    
207    o fix problem (when 1 tile is empty) in min/max monitor.
208    o fix bug in timeAve (u,vZetatave in common block)
209    o no restoring terms under ice for pkg/seaice
210    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
211    o bug fix for pkg/seaice pickups
212    o change MNC call locations and add coordinate attributes
213    o mask vorticity at the corner ; affects global_ocean.cs output
214    o fix ini_curvilinear_grid ; test CS experiments with mpi
215    o aim.5l_cs: modify sea-ice fraction input file ; update output
216    o exf: Adding simple range check routine for exf fields after read
217    
218    checkpoint52k_post
219    o removed top-level directory "diags"
220      - we migrated these functions to pkg/timeave a long time ago
221    o fixed bug introduced in pkg/monitor
222    o accuracy ctrlprec = 32 insuffient for gradient checks using
223      averaged fields (I/O via cost_averages)
224      -> use ctrl.h in active_file*.F to control I/O precision.
225    o paramter list of CALL ADTHE_MAIN_LOOP
226    o added initial do_the_model_io to ecco
227    o set all ...Freq to zero after cost_final
228      taveFreq, dumpFreq, pChkptFreq
229    o MAIN and ECCO differentiability restored
230    
231    checkpoint52j_post
232    o fix nchklev in tamc.h for global_ocean...
233    o Bringing flow and store directives up-to-date
234    o Really weird thing!
235      call do_the_model_io from the_main_loop with parameters
236      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
237      TAF places a faulty re-call of initialise_varia
238      after cost_final call which should not be there!
239    checkpoint52j_pre
240    
241    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
242      error messages
243    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
244    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
245      debug output
246    o modfied mdsio_writefield.F to handle non-global files under exch2
247    o update AIM Cubed-Sphere exp (aim.5l_cs):
248      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
249    o update AIM Equatorial Channel exp:
250      use standard aim_v23 pkg and change the SST fields to be more realistic.
251    o globalFile now works with exch2
252    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
253      mon_vort3.F to make exch2 friendly with >1 tile per cube face
254    o limit timeave output for hi-res integrations
255    
256    checkpoint52i_post
257    o removed CPP_EEOPTIONS.h from verification/*/code
258    o updated the tiling for global_ocean_pressure
259    checkpoint52i_pre
260    
261    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
262      the old pkg/aim).
263    
264    checkpoint52h_pre
265    o shortened offending lines in exch2_send_rx?.template
266    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
267    o genmake2: add build & execute test for NetCDF code
268    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
269      old grid files, moved CPP_EEMACROS.h to pkg/exch2
270    o added useSingleCPUIO flag to monitor.F and mon_out.F
271    o added temporary hack for sea-ice dynamics on the cube:
272      metric terms are ignored and it is assumed that
273      there is no sea-ice on cube faces 1, 2, 4, and 5.
274    
275    checkpoint52f_post
276    o added exch2 cube routines to pkg/exch2
277    o modified hs94.cs-32x32x5 to use it
278    o added new grid files to hs94.cs-32x32x5
279    checkpoint52f_pre
280    
281    checkpoint52e_post
282    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
283      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
284    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
285      to work with implicit vertical advection and AB ;
286    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
287    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
288     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
289    checkpoint52e_pre
290    
291    o fix bug in impldiff when Nr=1 or Nr=2.
292    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
293    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
294    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
295      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
296    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
297    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
298    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
299    
300    checkpoint52d_post
301    o re-tiled many expts to allow comparison in multi-processor mode
302      - updated output accordingly
303      - changed hs94.128x64x5 to use intial T from file rather than use the
304        random number generator
305    o add infrastructure in model routines for fizhi and gridalt packages
306    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
307    o changes to permit hi-res, cubed-sphere, configuration
308      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
309      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
310      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
311        of surface winds for the cube
312      (A verification experiment, based on global_ocean.cs32x15, but with
313       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
314       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
315       complete with example surface forcing files and matlab scripts to look
316       at the output and compare it with that of global_ocean.cs32x15.)
317    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
318       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
319       to conform to the common rule.
320    o check-in the first version of the coupler + interfaces for multi-components
321       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
322       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
323       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
324       - ocean and atmos. share the same horizontal grid (no interpolation).
325       - exchanges between component and coupler is done in forward_step
326    o new verification experiment, cpl_aim+ocn:
327       coupled ocean - AIM atmosphere on cs32 grid.
328    
329    checkpoint52d_pre
330    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
331    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
332    
333    checkpoint52c_post
334    o Fixing OPTIONS files for use of exf:
335      - ALLOW_ECCO not needed
336      - ECCO_CPPOPTIONS.h should not be included from
337        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
338        as has been the case in the past
339      - All cal/exf related options are currently set in
340        single header file. Should remain so until we
341        agree on a consistent new policy.
342    o Removed all CPP options for cal package.
343      cal has no more CPP options.
344    o modified STOREs in GAD_ADVECTION
345    o corrected key comp. for passkey
346    
347    checkpoint52b_post
348    o new version: "thsice" of thermodynamic sea-ice pkg:
349     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
350     - modify fluxes but do not change theta directly;
351     - light cleaning of bulk_force pkg (still needed with thsice).
352     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
353       + output_thsice.txt to test thsice & bulk_force pkgs.
354    o put back grid & coriolis monitor output.
355    checkpoint52b_pre
356    
357    o call "do_the_model_io" at the beginning (=> dump initial state)
358    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
359    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
360      (need info on NUMBER_OF_PTRACERS)
361    o missing PTRACERS headers in some routines
362    o default tamc.h in pkg/autodiff supposed to crash
363      to ensure proper customization
364    
365    checkpoint52a_post
366    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
367      - moved surfaceTendencyTice from pkg/seaice to main code
368      - subroutine FREEZE_SURFACE now limits only surface temperature
369        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
370        => new output.txt for global_ocean.cs32x15 & global_with_exf
371      - keep the old version of FREEZE for backward compatibility;
372        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
373      - corresponding modifs for TAF directives
374    o added surface flux output variables to TIMEAVE_STATVARS
375    o time-averaged output for pkg/ptracers
376    o fix problem with ECCO-related divided adjoint
377      snapshot file was missing some ad-variables,
378      but no warning issued by TAF
379    
380    checkpoint52a_pre
381    o some bug fixes for #undef REAL4_IS_SLOW
382    
383    checkpoint52 = ecco_c52_e35
384    o after testing adjoints of checkpoint51u_post
385    
386    checkpoint51u_post
387    o this is the post-merge tag of the ecco-branch
388      (needs another clean checkout and re-testing)
389    o various natl_box_adjoint configs and results
390      but no input fields
391    o obcs adjoint not yet merged!
392    o adding ECCO global 1x1 and 2x2 degree configs
393    o updated/extended some store directives for seaice
394    o pkg/ecco now containes ecco-specific part of cost function
395    o top level routines the_main_loop, forward_step
396      supersede those in model/src/
397      previous input data.cost now in data.ecco
398      (new namelist ecco_cost_nml)
399    o in ctrl/ cleaned some cross-dependencies and updated CPP options
400    
401    checkpoint51t_post
402    o this is the pre-merge tag of the ecco-branch
403    
404    checkpoint51s_post
405    o cleanup: removed various obsolete #define-s
406    o pkg/grdchk
407      - renamed 'ph-grd 3' to 'grad-res'
408      - merged from ecco-branch
409        (remaining bug fixes for obcs gradient checks)
410      - additional high-precision output for testreport
411        (grep for 'precision_grdchk_result')
412    
413    checkpoint51r_post
414    o cleaned up or removed CPP_OPTIONS.h files
415    o updated results for some of the tests to reflect the new
416      optfiles (-ieee: -O0 instead of -O3)
417    
418    checkpoint51q_post
419    o cd_code:
420      - moved cd_scheme.F -> cd_code_scheme.F
421      - separate read_checkpoint from cd_code_ini_vars.F
422      - separated cd_code part from write_checkpoint
423      - updated AD_SOURCE, generated .flow
424      - added CD_CODE_VARS.h to the_main_loop
425      - Moving cd_code specific store dir.s to pkg/cd_code
426    o ctrl package totally restructured
427      - pack/unpack now optional and decoupled from
428        xx_/adxx_ I/O
429      - ctrl_pack/unpack cleaned
430        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
431      - confined inclusion of AD_CONFIG.h to where necessary.
432    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
433    
434    checkpoint51p_post
435    o create initial cd_code package
436      - WARNING: the initialization of fields within packages
437        is broken because INI_FIELDS (where READ_CHECKPOINT is
438        called) is called *before* PACKAGES_INIT_VARIABLES.
439        This seems to be backwards since
440        1) its important to initially zero the entire field including
441           the "halo" region
442        2) zeroing needs to be done *before* reading pickup info
443           and the pickup call might or might not happen in any
444           particular run
445      - this needs an overhaul for R2
446    o cleanup verification/*/code/GMREDI_OPTIONS.h
447    o cleanup testreport
448    
449    checkpoint51o_post
450    o bringing AD-related verif's up to date with genmake2
451      - carbon/
452      - global_ocean.90x40x15/
453      - hs.94.1x64x5/
454      - (front_relax/ )
455    o (more) consistent directory structure for AD-related verif.'s
456    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
457    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
458    o bug fix in find_alpha.F for MDJWF:
459      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
460        change rho -> rho-rhoConst
461      - replace call find_rho to find_rhonum
462    o initialisation of rFlx extended to full array (required by TAF)
463      and shifted to thermodynamics
464    o removed PTRACERS.h in ptracers routine
465    o added surfacetendencyPtr to S/R parameter list pracers_forcing
466    o Correcting initialisations for fVerU, fVerV.
467    o helping TAF to recognize dependency on kUp for
468      fVerU, fVerV
469    o Replacing delZ by delR in pkg/ctrl/
470    checkpoint51o_pre
471    
472    o undid all of cp51 pending some cleanups and discussion
473    o added the [#include "AD_CONFIG.h"] statement to all files that need
474       it for adjoint/tl #defines
475     o re-worked the build logic in genmake2 to support AD_CONFIG.h
476     o removed tools/genmake since it no longer works
477    
478    checkpoint51n_post
479    o modifications to make FREEZE flux visible to pkg/kpp
480      - moved surfaceTendencyTice from pkg/seaice to main code
481      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
482      - subroutine FREEZE now limits only surface temperature
483        (this means new output.txt for global_ocean.90x40x15,
484         global_ocean.cs32x15, and global_with_exf)
485    o added surface flux output variables to TIMEAVE_STATVARS
486    
487    checkpoint51n_pre
488    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
489    o added [#include "AD_CONFIG.h"] to all files that use the following
490      defines:
491      - ALLOW_ADJOINT_RUN
492      - ALLOW_TANGENTLINEAR_RUN
493      - ALLOW_ECCO_OPTIMIZATION
494    
495    checkpoint51m_post
496    o incorporating changes to get TAMC/TAF working in genmake2
497      - added new TAMC/TAF targets to the Makefile
498      - various cleanups related to package handling
499      - these changes should have no impact on the forward model
500    
501    checkpoint51l_post
502    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
503     - faster algorithm for cal_addtime.F
504     - higher precision arithmetic, where needed
505     - pkg/exf *startdate variables changed from calendar date to
506       model integration time
507    
508    checkpoint51l_pre
509    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
510    o enable to apply restoring on S & T only in a latitude band.
511    o update output (external_forcing_surf modif. change truncation errors)
512       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
513    
514    checkpoint51k_post
515    o change default to: useNHMTerms=.FALSE.
516     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
517       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
518     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
519        exp1, ideal_2D_oce
520     - change data file of oceanic exp (leave the results unchanged for now)
521       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
522    o set gravitySign automatically according to the vertical coordinate used
523      (and change sign: back to "logical" value: +1 when R increases downward)
524    o added an include barrier to the default CPP_OPTIONS.h and
525      removed the #include "PACKAGES_CONFIG.h" from it
526    o fix a bug in mom_fluxform (from chk51j_post)
527    
528    checkpoint51j_post
529    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
530    o adjusted some flow directives (dynamics, thermodynamics)
531    o added cubed-sphere case to test cost function
532    o heckpoint_lev?_directives.h now include
533      pkg-specific directives, whenever those are enabled.
534    o Moving pkg-specific flow directives to corresponding pkg
535      Moving pkg-specific differentiation list to corresponding pkg
536      Moving pkg-specific checkpoint-lev storing to corresponding pkg
537      ---> conventions are
538           - pkg_ad.flow
539           - pkg_ad_diff.list
540           - pkg_ad_check_lev?_dir.h
541    
542    checkpoint51i_post
543    o merge of the branch-genmake2
544      - knowingly breaks the older genmake
545      - automatic generation of all ALLOW_${PKG_NAME} defines
546      - new testreport supersedes older testscript
547    o large number of package inclusion and header cleanups
548    checkpoint51i_pre
549    
550    o new output for adjoin of global ocean vector invariant
551    o fix for checkpoint of thermodynamic seaice and bulk_force
552    o Steph gchem various cleanups
553    
554    checkpoint 51h_pre
555    o fixed some single quotes
556    o modify gchem pkg to be more versatile
557    o modifications to clean up dic pkg
558    o add pkg/cfc
559    
560    checkpoint51g_post
561    o provide links for ARPACK and ADM*TLM
562    o start removing verification/vero/
563    o update AD-related stuff
564      (in particular some IF-statements in model/src/ routines)
565    o adding to verification/global_ocean.90x40x15/ adjoint of
566      vector invariant setup
567    
568    checkpoint51f_post
569    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
570    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
571      of tracer Green's fucntions for ocean inversion project.
572    
573    checkpoint51f_pre
574    o Added on-the-fly spatial interpolation capability
575        "USE_EXF_INTERPOLATION" to pkg/exf.
576      - This is a temporary Cartesian-grid hack until
577        the super-duper ESMF coupler becomes available.
578      - See verification/global_with_exf/README for usage example.
579      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
580        flags and modified pkg/seaice accordingly.
581    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
582        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
583        non-local transport term.
584    
585    checkpoint51e_post
586    o pkg/mom_vecinv:
587      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
588      - add time-ave diagnostic of vorticity advection.
589    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
590    o atmospheric geopotential: - include water vapor effect;
591                                - use p^kappa in p* scaling.
592    o land pkg: read initial state from files.
593    o AIM : add stratospheric drag in the upper level
594    
595    checkpoint51d_post
596    o change function ILNBLNK (=> last non-blank char.) to return zero
597      (instead of the string length) when the string. char is empty
598    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
599    o modif's to restore TAMC compatibility
600      - avoid "_d" constructs in PARAMETER declarations
601      - avoid interrupting lines by comment lines
602    o Use cluster local disks for purely local I/O
603      vs. globally visible disks needed for ctrl stuff
604      (merged from ecco-branch)
605      - new active_file_loc... and mdsio_..._loc routines
606      - affected packages: autodiff, ctrl, grdchk, mdsio
607    
608    checkpoint51c_post
609    o introducing integer flag debugLevel
610      - debLevZero: suppress all output
611      - debLevA: standard
612      - debLevB: equivalent to current debugMode=.TRUE.
613    o introducing pathname variable mdsioLocalDir for mdsio
614      that can be specified at runtime
615      (relevant for cluster I/O to local disk)
616    `
617    >>>checkpoint51b_post
618    adjoint of ptracers
619    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
620    o extended state in checkpoint_lev?, etc.
621    o alternative ctrl/cost with tr1 or ptracer
622    o new comlev1_bibj_ptracers
623    o new ptracers.flow
624    o made ptracers_forcing same as external_forcing_s
625    o added verification for adjoint with ptracers
626      - adm. grdchk fail so far
627      - tlm. grdchk OK
628      - checked tapelev/comlev recomputations: OK
629    <<<checkpoint51b_pre
630    
631    checkpoint51a_post
632    o added code for biogeochemistry package
633      - new pkgs: dic, gchem
634      - new subroutine in ptracers
635    o modify code for biogeo packages
636      - in model/src and pkg/ptracers
637    
638    checkpoint51
639    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
640      - autodiff, ctrl, exf, grdchk, seaice
641      kept separate packages
642      - cost, ecco, obcs
643    o updating verification/internal_wave, verification/lab_sea
644      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
645    
646    checkpoint50i_post
647    o Preparing next differentiable checkpoint and sync
648      of MAIN vs. ecco-branch
649      - 1st step: this one is differentiable
650      - 2nd step: next(! not this) checkpoint will have updated packages
651                  from ecco-branch)
652    
653    checkpoint50h_post
654    o new package "land": provide surface BC for AIM.
655    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
656    o AIM: use true log-P extrapolation for near surface temp (= as in
657        F.Molteni paper) ; update aim.5l_cs output.
658    o New variable in PARM03 for more flexible pickups
659    o somewhat cleaned package initialisation sequence for
660      ctrl/ cost/ ecco/ in packages_... routines
661    
662    checkpoint50g_post
663    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
664      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
665      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
666        made the default because of faster convergence than ADI
667    
668    checkpoint50f_post
669    o exf totally restructured
670      - replaced all exf_set_ routines by one generic exf_set_gen.F
671        and made sure it's still differentiable
672      - split exf_getffields.F into new exf_bulkformulae.F
673      - exf_inscal_/exf_outscal_ suffixes consistent with field names
674      - updated adjoint/makefile and relevant verif. accordingly
675    
676    checkpoint50f_pre
677     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
678          + change Evap over land. (update aim.5l_cs output)
679     o added missing .cvsignores and made uniform across expts
680     o changed configuration of tidal_basin_2d expt
681     o added pkg/debug functions for tracing code in fatal crashes
682     o tidied pkg/monitor to use MONITOR_OPTIONS.h
683     o new fn in pkg/monitor to stop model if solution grows too big
684     o removed lots of single quotes from comments
685    
686    checkpoint50e_post
687    o make KPP work with PTRACERS
688     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
689       nearly a copy of kpp_transport_s
690     - there is no analogue to SurfaceTendencyS, so I have to use
691       gPtr(of the surface layer) instead
692    o add a new platform SunFire+mpi (SunFire 15000) to genmake
693    checkpoint50e_pre
694    
695    checkpoint50d_post
696    o change kpp output from multiple-record state files to single-record state
697      files analogous to write_state.F
698    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
699      analogous to the cg2d-related output.
700    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
701      so that writing to internal file fn (with length 512) fails.
702    checkpoint50d_pre
703    
704    checkpoint50c_post
705    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
706    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
707    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
708    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
709    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
710    
711    checkpoint50c_pre
712    Merging from release1_p13:
713    o bug fix for pkg/seaice dynamic solver
714    o Added SEAICE_initialHEFF to pkg/seaice
715    
716    checkpoint50b_post
717    o store u*,v* in gU,V instead of in guNm1,gvNm1
718    o in order to put the momForcing out of the Adams-Bashforth:
719      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
720      to timestep.F
721    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
722    o re-generate output for highly sensitive test-exp:
723       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
724    
725    checkpoint50b_pre
726    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
727    o corrected CPP option mismatch in exf_Bulk... functions for case
728      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
729    
730    checkpoint50a_post
731    o Bug fix for merging between c50 and KPP.
732      ikey was passed from thermodynamics to kpp_calc via
733      common block rather than being recomputed in kpp_calc,
734      in contradiction with new key itdkey.
735      New key ikppkey created, and tamc.h headers updated.
736    
737    checkpoint50
738    - 2nd step of merge with ecco-branch:
739      merge changes in ecco-branch back into main trunk
740    - bug fix in find_alpha
741    - more storing in gmredi_calc_tensor.F, kpp_routines.F
742    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
743    - merged some sliced AD support routines
744    
745    checkpoint49
746    merged from ecco-branch:
747    o exf:
748      - Enable initialisation of forcing fields to constant
749        (runtime) values.
750      - in exf_getffields.F
751        Reduce i-/j-loop to interior domain, discarding overlaps.
752        That also fixes wrong TAF-key computations for key_1, key_2
753        with bulf formulae.
754      - exf_init.F modify #ifdef for exf_init_evap
755      - exf_getffieldrec.F, ctrl_getrec.F
756        The following INT-usages are not safe:
757          fldsecs  = int(fldsecs/fldperiod)*fldperiod
758          fldcount = int(fldsecs/fldperiod) + 1
759        and were modified.
760    o autodiff: checkpoint_lev...
761      - updated storing for bulk formulae (some arrays were missing)
762      - added state for seaice package
763      - synchronized with main branch
764    o DIVA:
765      Modif.s in
766      - the_main_loop.F
767      - the_model_main.F
768      and added cost_final_restore.F cost_final_store.F
769      o With these changes, it is possible to fully separate
770        the first forward run to compute the cost function (mdthe_main_loop)
771        and adjoint runs over individual DIVA intervals (adthe_main_loop)
772        into separate model executions.
773        This enables better tuning of DIVA to given queue sizes.
774      o Loss of cost function value in consecutive DIVA runs is
775        fixed by storing to 'costfinal' file.
776      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
777        beginning/end of adjoint integration is accounted for.
778      The current changes apply to TAF-1.4.26.
779      TAF has one remaining bug, requiring one manual change
780      (see MITgcm manual).
781    o cal: synchronized between MAIN and ecco-branch
782    
783    checkpoint48i_post
784    o Changes to restore differentiability of code w.r.t. previous tag
785      (mostly adding new routines to make list and replacing
786      pressure by totPhiHyd).
787    o Updated and merged grdchk package
788      - has both ADM and TLM checks
789      - works for single- and multi-proc.
790      - output cleaned
791      - worked successfully for parallel DIVA
792    o genmake:
793      - Adding -platform=SP4
794      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
795    o Modif. for DIVA:
796      ctrl_unpack should not be called in intermediate DIVA interval.
797      (similar thing would apply for active files such as
798      tbar, sbar, psbar, which should not be reinitialised;
799      only relevant for ecco-branch)
800    
801    checkpoint48h_post
802    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
803    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
804    o Added SEAICE_initialHEFF to pkg/seaice
805    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
806    
807    checkpoint48g_post
808    --- EOS:
809    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
810      store total Potential in totPhyHyd for diagnostics & EOS.
811    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
812    --- Pressure/geopotential gradient:
813    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
814    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
815      ( changes results of global_ocean_pressure )
816    o NLFS + z-coord.: add eta*Rho' contribution.
817    o accurate phiHyd when using interface-W at the middle between 2 centers
818     ( changes results of ideal_2D_oce )
819    o includes r* 2nd term in potential gradient.
820    
821    checkpoint48f_post
822    Merging from release1_p12:
823    o Modifications for using pkg/exf with pkg/seaice
824      - improved description of the various forcing configurations
825      - added basic radiation bulk formulae to pkg/exf
826      - units/sign fix for evap computation in exf_getffields.F
827      - updated verification/global_with_exf/results/output.txt
828    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
829      (SBO) core products, including oceanic mass, center-of-mass,
830      angular, and bottom pressure (see pkg/sbo/README.sbo).
831    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
832      to avoid negative values in shallow regions.
833      - updated verification/natl_box/results/output.txt
834      - updated verification/lab_sea/results/output.txt
835    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
836    o Added useSingleCpuIO option (see PARAMS.h).
837    o Updated useSingleCpuIO option in mdsio_writefield.F to
838      work with multi-field files, e.g., for single-file pickup.
839    o pkg/seaice:
840      - bug fix in growth.F: QNET for no shortwave case
841      - added HeffFile for specifying initial sea-ice thickness
842      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
843    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
844      kpp_transport_t.F, forward_step.F, and the_main_loop.F
845    o pkg/seaice:
846      - adjoint-friendly modifications
847      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
848    
849    checkpoint48e_post
850    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
851    o dynamics: change definition of computational domain & adapt mom_fluxform
852      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
853    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
854        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
855        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
856        global_ocean.90x40x15 global_with_exf global_ocean_pressure
857        inverted_barometer solid-body.cs-32x32x1
858      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
859    
860    checkpoint48d_post
861    o in preparation for r*:
862     a) use pre-computed gradient of hydrostatic potential:
863        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
864     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
865        => affects results of glob_oce_pressure (different truncation error)  
866      update output.txt of ideal_2D_oce & global_ocean_pressure
867    
868    checkpoint48d_pre
869    o in preparation for r*:
870      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
871      pass the 2 comp. of the grad. as arguments to momentum S/R.
872      but for the moment, only used if it does not change the results.
873    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
874    
875    checkpoint48c_post
876    Modifications in treatment of initial flux forcing controls
877    to avoid extra storing of flux fields.
878    
879    checkpoint48c_pre
880    o Added tidal_basin_2d experiment (currently 1D!)
881    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
882    
883    checkpoint48b_post
884    o r* coordinate added in #ifdef NONLIN_FRSURF block.
885     (modification to pressure gradient not yet implemented)
886    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
887      (for U & V) that are used for vertical advection of momentum.
888    
889    checkpoint48a_post
890    o In preparation for r*, use temp. array to compute vertical transport
891       in flux-form momentum pkg. => change results of few test-exp.
892      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
893                        lab_sea, natl_box & plume_on_slope
894    
895    checkpoint48
896    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
897    
898    checkpoint47j_post
899    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
900    o moved adexch from forward_step to addummy_in_stepping
901    o added exch in ctrl_map_...
902    o aveFreq.=0. at end of cost_final to avoid overwrite in
903      reverse checkpointing loop
904    o Yet more changes in gmredi:
905      * adgmredi_calc_tensor
906        avoiding all recomputation of gmredi_slope_limit
907      * adgmredi_x/y/rtransport
908        added flag for excessive storing to avoid recomp. of
909        u/v/rtans, dTdx/y/z
910        -> this is not really necessary and very memory-consuming
911      * adgmredi_slope_psi:
912        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
913      * gmredi_slope_limit
914        re-activated full calculation of taperfct for case 'ac02'
915    o updating verification/ adjoints of carbon, global_ocean.90x40x15
916    
917    checkpoint47i_post
918    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
919    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
920      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
921    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
922    o gmredi: fix few bugs.
923    
924    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
925    This will be a good checkpoint to plug into the ecco-branch.
926    o few modif.'s to get latest version adjointed
927      (mainly kick out code in ini_linear_phisurf)
928    o modif's to run adjoint with exactConserv
929    o case GM_BOLUS_ADVEC should be cleaned
930      S/R gmredi_slope_psi should be cleaned
931    o verification/carbon now has exactConserv=.TRUE.
932    
933    checkpoint47g_post
934    o time-average AIM output: becomes independent from statvars time-average
935      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
936    o After TAF bug fix:
937      Tested adjoint of gmredi package.
938      Tests were done with checkpoint47 rather than with latest
939      checkpoint47f_post since the latter is broken for the adjoint
940      verification/carbon/ contains both ADM and TLM gradient checks.
941    Here they are, before they get changed/lost/stolen.
942    Mostly modif.'s to fix numerical sensitivities.
943    Gradient checks OK for
944    - GM_taper_scheme:
945      * clipping
946      * ac02
947      * linear
948      * glw91
949      * dm95
950      * ldd97
951    - GMREDI_OPTIONS:
952      * GM_VISBECK_VARIABLE_K
953      * GM_NON_UNITY_DIAGONAL
954      * GM_EXTRA_DIAGONAL
955      * GM_BOLUS_ADVEC
956    in conjunction with data.gmredi parameters to be checked in
957    in a few minutes under verification/carbon/code/
958    
959    checkpoint47f_post
960    Merging from release1_p10:
961    o modifications for using pkg/exf with pkg/seaice
962      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
963        and SEAICE_EXTERNAL_FLUXES
964      - pkg/exf CPP options EXF_READ_EVAP and
965        EXF_NO_BULK_COMPUTATIONS
966      - usage examples are Experiments 8 and 9 in
967        verification/lab_sea/README
968      - verification/lab_sea default experiment now uses
969        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
970    
971    checkpoint47e_post
972    o created a tag prior to creating a branch
973    
974    checkpoint47d_post
975    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
976      at the bottom boundary had an erroneous half slip boundary condition
977    o added bottom drag and no slip boundary condition capabilities to
978      oceanic pressure coordinates code
979    o added new verification experiment global_ocean_pressure, this experiment is
980      also described in the tutorial section of the manual
981    checkpoint47d_pre
982    
983    checkpoint47c_post
984    o Added a verification experiment for a global cubed-sphere ocean run
985      -  verification/global_ocean.cubed32x32x30
986      -  uses pkg/therm_seaice and pkg/bulk_forcing
987    
988    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
989    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
990      when using P-coordinate; only implemented for atmospheric config.
991    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
992      NOTES: requires option NONLIN_FRSURF to be "#define".
993    o update advect_xz/results/output.txt (left from checkpoint44g_post)
994    
995    checkpoint47b_post
996    Merging from release1_p9:
997    o pkg/seaice
998      - removed GOTO's and added taf directives
999      - double precision constants to reduce the g77 (Linux)
1000        to F77 (SGI) differences reported in release1_p8
1001    o tools/genmake
1002      - added SGI options
1003    o verification/testscript
1004      - updated to that of checkpoint47a_post
1005    o verification/global_ocean.90x40x15/input/eedata
1006      - modified for SGI f77 compatibility
1007    o verification/lab_sea
1008      - added description of sea-ice model
1009      - added missing matlab routines
1010      - added test of thermodynamics parallelization
1011    
1012    checkpoint47a_post
1013    o new pkg: aim_v23
1014     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
1015       for now, keep the same surface forcing as before.
1016     - Part-Cell implemented into AIM; check that Heat & Water are conserved
1017     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
1018     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
1019    o add diagnostic of surface correction term in monitor output
1020    
1021    o bulk_force and therm_seaice
1022    - Two packages:  bulk_force (Bulk forcing)
1023      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
1024    - Earlier integration from Stephaine Dutkiewicz
1025      and Patrick Heimbach.
1026    - Two ifdef statements for compile time,
1027       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
1028    
1029    checkpoint47
1030    differentiable version of checkpoint46n_post
1031    o bug fix in quasihydrostaticterms
1032    o * "clean" adjoint code (in terms of extensive recomputations)
1033        can now be obtained for all GMREDI options (i.e. for
1034        - GM_VISBECK_VARIABLE_K
1035        - GM_NON_UNITY_DIAGONAL
1036        - GM_EXTRA_DIAGONAL
1037        - GM_BOLUS_ADVEC )
1038      * However, wrong gradient check problem remains unsolved.
1039      * New CPP options have been introduced for different
1040        tapering schemes
1041    o external_fields_load now part of differentiation list
1042    o pressure needs multiple storing;
1043      would be nice to have store_pressure at beginning or
1044      end of forward_step, e.g. by having phiHyd global (5-dim.)
1045      (NB: pressure is needed for certain cases in find_rho,
1046      which is also invoked through convective_adjustment).
1047    o recomputations in find_rho for cases
1048     'JMD95'/'UNESCO' or 'MDJWF' are OK.
1049    o #define ATMOSPHERIC_LOADING should be differentiable
1050    o ini_forcing shifted to begining of initialise_varia
1051    o Incorporating QNVS line search routines into MITgcm
1052      (this is separate code, and therefore not under pkg)
1053      lsopt/, optim/
1054    o Updated verification/carbon/
1055      - #define GM_VISBECK_VARIABLE_K
1056      - GM_taper_scheme    = 'ldd97'    
1057    
1058    checkpoint46n_post
1059    Merging from release1_p8:
1060    o verification/natl_box:
1061      updating new external_fields_load routine
1062    o New package: pkg/seaice
1063      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
1064      The sea-ice code is based on Hibler (1979-1980).
1065      Two sea-ice dynamic solvers, ADI and LSR, are included.
1066      In addition to computing prognostic sea-ice variables and diagnosing
1067      the forcing/external data fields that drive the ocean model,
1068      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
1069      The implied surface heat flux is then stored in variable
1070      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
1071      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
1072      non-local transport term.  Because this call precedes model
1073      thermodynamics, temperature under sea-ice may not be "exactly" at
1074      the freezing point by the time theta is dumped or time-averaged.
1075      N.B.: fairly large differences in accuracy occur across
1076            different platforms/compilers; comparison between
1077            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
1078            generated output gives:
1079       T           S           U           V
1080      C D M    c        m  s        m  s        m  s        m  s
1081      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
1082      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
1083      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
1084    
1085      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
1086    o GAD:
1087      - generated new common blocks to account for call of
1088        same gad routines with differing traceridentities
1089        (needed to modify tracerIdentity indices in GAD.h)
1090      - generated separate common blocks for case useCubedSphereExchange
1091        (Department of Futurology)
1092      - parameter lists to gmredi_?transport: added tracerIdentity
1093      - added new key indices to tamc.h
1094    o external_fields_load:
1095      - added this routine to TAF list
1096      - needed to make some common blocks global and additional storing
1097        along the same lines as exf package (checkpoint_lev?_directives.h)
1098    o exf:
1099      updated external forcing package
1100      - bug fixes carried over from ecco-branch
1101        (missing OBCS_OPTIONS.h in two routines)
1102      - enable easy to use "no forcing".
1103      - added exf I/O for atmospheric loading
1104      - added exf I/O for runoff data
1105      - transfered scaling between exf <-> MITgcm to exf namelist
1106    o Adding new verification experiment global_with_exf.
1107      This verification experiment is almost identical to the
1108      global_ocean.90x40x15 experiment, except that it uses
1109      the exf (and cal) package instead of the
1110      external_fields_load routine (cf README file).
1111    
1112    checkpoint46m_post
1113    o modified testscript to return -- when there are no lines of "%MON" output
1114    o added new flag "quasiHydrostatic" for QH mode
1115      and new routine quasihydrostaticterms()
1116    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
1117      New routine: mom_u_coriolis_nh()
1118    o fixed sign of non-hydrostatic metric terms in u and v equations.
1119      Depend on correct sign of gravitySign.
1120    o added work.pc* to .cvsignore in aim directories using ifc
1121    o introduced flag for controllin non-hydrostatic metric terms
1122    o removed gravitySign from PARM04
1123    o switched to g77/ifc from pgf77 in aim experiments
1124    
1125    checkpoint46l_post
1126    o made convective adjustment work with pressure coordinates:
1127     - changed the direction of k-loop in convective_adjustment.F for the
1128       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
1129     - adjusted the reference pressure k-index in convective_adjustment.F
1130     - adjusted the convection condition in convect.F (in analogy to
1131       calc_ivdc.F)
1132     - convective_adjustment no longer computes anything on the halos
1133     - removed the warnings about negative salinity from find_rho.F and
1134       find_alpha.F; instead the new routine look_for_neg_salinity, called
1135       at the beginning of find_rho, find_alpha, and find_beta, does a
1136       check of the entire slice, if CPP-option
1137       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
1138    checkpoint46l_pre
1139    
1140    checkpoint46k_post
1141    o fixed the verification/global_ocean.90x40x15 experiment:
1142     - new bathymetry (the world according to A., JMC, and M.)
1143     - new initial fields and forcing fields (*.bin files)
1144     - new POLY3.COEFFS (for the next release one should switch to a full
1145       equation of state: JMD95P or MDJWF)
1146     - fixed several errors and redundancies in the data file
1147     - experiment uses looped cells
1148     - added matlab directory with diagnostic scripts for plotting of output
1149    
1150    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
1151     - read AIM physics parameters from a file (data.aimphys)
1152     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
1153    
1154    checkpoint46j_post
1155    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
1156    o move wVel computation at the end of the time step, in S/R integr_continuity
1157    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
1158    o update timeave pkg for wVel diagnostic.
1159    checkpoint46j_pre
1160    
1161    checkpoint46i_post
1162    o Clean up AIM package (and keep the results unchanged):
1163      include CPP_OPTION and use IMPLICT NONE in all routines ;
1164      declare all the variables _RL ; use _d 0 for all numerical constants.
1165      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
1166    
1167    checkpoint46h_post
1168    o cleaned up the use of rhoNil and rhoConst.
1169      - rhoNil should only appear in the LINEAR equation of state, everywhere
1170        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
1171        and the dynamical equations are all divided by rhoConst
1172    o introduced new parameter rhoConstFresh, a reference density of fresh
1173      water, to remove the fresh water flux's dependence on rhoNil. The default
1174      value is 999.8 kg/m^3
1175    o cleanup up external_forcing.F and external_forcing_surf.F
1176      - can now be used by both OCEANIC and OCEANICP
1177    checkpoint46h_pre
1178    
1179     Added code to convert surface volume flux (fresh water) into
1180     a mass flux when using P coordinates in the ocean (OCEANICP).
1181     Note: It assumes you have set rho0=rhoConst=density of fresh water.
1182    
1183    checkpoint46g_post
1184    o Include a new diagnostic variable phiHydLow for the ocean model
1185      - in z-coordinates, it is the bottom pressure anomaly
1186      - in p-coordinates, it is the sea surface elevation
1187      - in both cases, these variable have global drift, reflecting the mass
1188        drift in z-coordinates and the volume drift in p-coordinates
1189      - included time averaging for phiHydLow, be aware of the drift!
1190    o depth-dependent computation of Bo_surf for pressure coordinates
1191      in the ocean (buoyancyRelation='OCEANICP')
1192      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
1193        Theta, Salinity, and Pressure in the parameter list. This routine is
1194        presently contained in find_rho.F. This routine does not give the
1195        correct density for 'POLY3', which would be a z-dependent reference
1196        density.
1197    o cleaned up find_rho
1198      - removed obsolete 'eqn' from the parameter list.
1199    o added two new verification experiments: gop and goz
1200      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
1201    checkpoint46g_pre
1202    
1203    checkpoint46f_post
1204    o Enable tangent linear (forward mode) gradient checks:
1205      - extended active file handling to g_... files
1206      - added TANGENT_SIMULATION to theSimulationMode
1207      - extended grdchk package accordingly
1208    o added tangent linear setup in verification/carbon/code_ftl
1209    o added adjoint setup in verification/front_relax/code_ad
1210    
1211    checkpoint46e_post
1212    o Added new equation of state -> MDJWF
1213      - EOS of McDougall et al., 2002, JAOT, submitted
1214      - caveat: the equation of state is only valid for a smaller (more
1215        realistic?) range of values than JMD95P/Z and UNESCO
1216      - added masks to the calculation of pressure in store_pressure
1217      - added more check values for density in check_eos (ini_eos.F), some of
1218        the old check values are out of the range of the MDJWF-eos, so don't
1219        expect perfect matches for those
1220    checkpoint46e_pre
1221    
1222    checkpoint46d_post
1223    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
1224      'OCEANICP', also initialised field pressure correctly in ini_eos in the
1225      case of pressure coordinates. eosType='JMD95Z' in
1226      combination with buoyancyRelation='OCEANICP' now causes an error.
1227    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1228      in find_alpha/beta.
1229    checkpoint46d_pre
1230    
1231    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1232      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
1233    
1234  checkpoint46c_post  checkpoint46c_post
1235  o Changes necessary for ocean in p-coordinates  o Changes necessary for ocean in p-coordinates
1236   -  Added new buoyancy relation = 'OCEANICP'   -  Added new buoyancy relation = 'OCEANICP'
# Line 14  checkpoint46c_pre Line 1242  checkpoint46c_pre
1242    
1243  checkpoint46b_post  checkpoint46b_post
1244  o Added new equation of state -> JMD95Z and JMD95P  o Added new equation of state -> JMD95Z and JMD95P
1245    - EOS of Jackett and McDougall, 1995, JPO    - EOS of Jackett and McDougall, 1995, JAOT
1246    - moved all EOS parameters into EOS.h    - moved all EOS parameters into EOS.h
1247    - new routines ini_eos.F, store_pressure.F    - new routines ini_eos.F, store_pressure.F
1248  o Added UNESCO EOS, but not recommended because it requires  o Added UNESCO EOS, but not recommended because it requires

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