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revision 1.190 by edhill, Tue Oct 21 15:29:20 2003 UTC revision 1.306 by jmc, Thu Jun 3 16:49:35 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 pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
7    o added Sadourny discretization of Coriolis
8      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
9      - re-enabled use of omega3 (useAbsVorticity)
10    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
11      vector-invarianet equations
12      - note: does *NOT* yet use same variable visc. for no-slip BC's.
13    o recoded the lateral boundary conditions for non-hydrostatic w, this time
14      hopefully without new bugs
15      - still to do: biharmonic friction for non-hydrostatic w
16    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
17    o regenerated output for global_ocean_ebm (using -ieee)
18    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
19      of mom_common/
20      - simple re-arrangement of instructions within computing loop
21    checkpoint53d_pre
22    
23    checkpoint53c_post
24    o new version of coupler for AIM+thSIce and Ocean models
25     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
26     - land: change Evaporation of snow
27     - aim with thSIce: fix bug in snow-precip.
28    o changes to calc_gw.F
29     - bug fix for w^2 term near the bottom boundary
30     - (hopefully) improve the lateral slip boundary condtions for use with
31        partial/looped cells
32      - because the bug fix changes two verification experiments anyway (exp5
33        and plume on slope), change the lateral boundary condition from half slip
34        to the value of no_slip_sides
35    o ebm package wasnt quite up to the parallel task. Fixed that.
36    o Adjoint of EBM package + verification
37      * TLM OK
38      * ADM not sufficient accuracy yet (needs further testing)
39    
40    checkpoint53b_post
41    o Commiting new energy balance model to repository
42      * package is pkg/ebm
43      * verif. is verification/global_ocean_ebm
44      * references are in ebm_driver.F
45    C      * X. Wang, P. Stone and J. Marotzke, 1999:
46    C        Global thermohaline circulation. Part I:
47    C        Sensitivity to atmospheric moisture transport.
48    C        J. Climate 12(1), 71-82
49    C      * X. Wang, P. Stone and J. Marotzke, 1999:
50    C        Global thermohaline circulation. Part II:
51    C        Sensitivity with interactive transport.
52    C        J. Climate 12(1), 83-91
53    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
54    C        Destabilization of the thermohaline circulation
55    C        by atmospheric eddy transports.
56    C        J. Climate 7(12), 1870-1882
57    o Will need long integration testing.
58    checkpoint53b_pre
59    
60    o created pkg/mom_common in preparation for variable viscosity code
61    o renamed and split ini_mnc_io
62    o pkg/land: only liquid water can diffuse or run-off
63    o AIM using land: soil wetness availability account for snow
64    o added printMapIncludesZeros to EEPARMS namelist
65    
66    checkpoint53a_post
67    o restore TAMC compatiility for exf_constants.h
68      (no usage of _d in .h)
69    o Additional storing in KPP in an attempt to fix
70      TAMC problem with adjoint of KPP code.
71      (no success...)
72      Identical code works fine with TAF.
73    o Fixed verification/natl_box_adjoint experiments.
74      Initial conditions for Experiments 4 and 5 are now
75      set to "SEAICE_initialHEFF=0", which is more reasonable,
76      and hence gives results closer to that of Experiment 2.
77      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
78    
79    checkpoint53
80    o stable checkpoint with up to date adjoint
81      TLM tests only run for 1st grdchk at the moment. Its unclear if
82      this is a code problem or a problem with resetting code for g_
83      variables that is being autogenerated wrong.
84      Otherwise:
85       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
86       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
87         are both still in chaos following their security messes.
88    
89    checkpoint52n_post
90    o various build (mostly genmake2) changes including:
91      - ability to build/run more easily within Cygwin and MacOS X
92      - more complicated Makefiles with a stronger dependence on Gnu Make
93    o pkg/seaice modifications
94      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
95        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
96        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
97      - changed proxy for geostrophic velocity and updated
98        verification/lab_sea/results/* accordingly
99      - removed ADI dynamic solver from pkg/seaice
100      - replaced all occurrences of 1/CSTICE or 1/CSUICE
101        they caused a segmentation fault under certain circumstances
102      - removed unused field WATR
103    o bug fix in exf-package:
104      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
105         now reflect that.
106    o small fixes in the cal-package:
107      - set reference date to first of January for the 'model'-calendar
108      - failing of cal_CheckDate in cal_FullDate now actually results in a
109        warning
110    o small modifications in exf-package to increase flexibility:
111      - change climtempfreeze from a constant to a runtime parameter that
112        is specified in data.exf_clim (default = -1.9)
113      - introduce runtime parameter windstressmax (default = 2.0) that is
114        specified in data.exf
115    o fix in pkg/thsice:
116      - update Evap (Tsf changes) to be consistent with Latent heat flux
117      - maintain snow precipitation unchanged (even if Tsf >=0).
118     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
119    
120    checkpoint52m_post
121    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
122      this does not change any of the results, because myIter=0 in swfrac always
123      lead to jwtype=2 (the default anyway), but the call makes little sense
124      as a default
125    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
126    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
127      atmospheric model (AIM) to use it ; add a "slab ocean" component.
128    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
129    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
130    o extending useSingleCpuIO option to work with new exch2 I/O format
131      - old-style, missing-tile I/O is still accessible by defining CPP
132        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
133    o monitor package can write to NetCDF files and/or STDOUT
134    o fix re-definition bug in MNC_GRID_INIT_ALL()
135    o doc/api_reference added
136      - a framework for building an API Reference Manual using all
137        the "protex" comments embedded in the code
138      - see pkg/generic_advdiff, pkg/mnc for examples
139    o MNC:
140      - make myThid the last argument for all subroutines
141      - new default for the grid files: NO halos
142      - add useMNC and other run-time flags
143      - separate per-file-group handling of the unlimited dimension
144      - early initialization of MNC w/ flags read at the eeboot stage
145        and lookup tables set in initialize_fixed
146      - write all MNC output to a freshly-created directory
147    o thermodynamics sea-ice (thsice) is now tested with testreport.
148    o test exp. advect_cs: use the standard cs32 grid ; update output.
149    o Added functionality to grdchk:
150      pick global i,j,k position (or nearest wet) where to perform check.
151    
152    checkpoint52l_post
153    o new land formulation:
154      a) use ground enthalpy as prognostic variable to ensure exact
155         energy conservation.
156      b) account for water temperature and for latent heat of freezing
157         in all processes (rain, run-off, ground storage)
158      c) compute surface and ground temperature implicitly.
159    o aim_v23 modification for new land model:
160      a) Treat separately land / ocean / sea-ice surface fluxes
161         to allow implicit computation of land & sea-ice surface temp.
162      b) add snow precipitation.
163    checkpoint52l_pre
164    
165    o fix problem (when 1 tile is empty) in min/max monitor.
166    o fix bug in timeAve (u,vZetatave in common block)
167    o no restoring terms under ice for pkg/seaice
168    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
169    o bug fix for pkg/seaice pickups
170    o change MNC call locations and add coordinate attributes
171    o mask vorticity at the corner ; affects global_ocean.cs output
172    o fix ini_curvilinear_grid ; test CS experiments with mpi
173    o aim.5l_cs: modify sea-ice fraction input file ; update output
174    o exf: Adding simple range check routine for exf fields after read
175    
176    checkpoint52k_post
177    o removed top-level directory "diags"
178      - we migrated these functions to pkg/timeave a long time ago
179    o fixed bug introduced in pkg/monitor
180    o accuracy ctrlprec = 32 insuffient for gradient checks using
181      averaged fields (I/O via cost_averages)
182      -> use ctrl.h in active_file*.F to control I/O precision.
183    o paramter list of CALL ADTHE_MAIN_LOOP
184    o added initial do_the_model_io to ecco
185    o set all ...Freq to zero after cost_final
186      taveFreq, dumpFreq, pChkptFreq
187    o MAIN and ECCO differentiability restored
188    
189    checkpoint52j_post
190    o fix nchklev in tamc.h for global_ocean...
191    o Bringing flow and store directives up-to-date
192    o Really weird thing!
193      call do_the_model_io from the_main_loop with parameters
194      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
195      TAF places a faulty re-call of initialise_varia
196      after cost_final call which should not be there!
197    checkpoint52j_pre
198    
199    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
200      error messages
201    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
202    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
203      debug output
204    o modfied mdsio_writefield.F to handle non-global files under exch2
205    o update AIM Cubed-Sphere exp (aim.5l_cs):
206      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
207    o update AIM Equatorial Channel exp:
208      use standard aim_v23 pkg and change the SST fields to be more realistic.
209    o globalFile now works with exch2
210    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
211      mon_vort3.F to make exch2 friendly with >1 tile per cube face
212    o limit timeave output for hi-res integrations
213    
214    checkpoint52i_post
215    o removed CPP_EEOPTIONS.h from verification/*/code
216    o updated the tiling for global_ocean_pressure
217    checkpoint52i_pre
218    
219    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
220      the old pkg/aim).
221    
222    checkpoint52h_pre
223    o shortened offending lines in exch2_send_rx?.template
224    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
225    o genmake2: add build & execute test for NetCDF code
226    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
227      old grid files, moved CPP_EEMACROS.h to pkg/exch2
228    o added useSingleCPUIO flag to monitor.F and mon_out.F
229    o added temporary hack for sea-ice dynamics on the cube:
230      metric terms are ignored and it is assumed that
231      there is no sea-ice on cube faces 1, 2, 4, and 5.
232    
233    checkpoint52f_post
234    o added exch2 cube routines to pkg/exch2
235    o modified hs94.cs-32x32x5 to use it
236    o added new grid files to hs94.cs-32x32x5
237    checkpoint52f_pre
238    
239    checkpoint52e_post
240    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
241      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
242    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
243      to work with implicit vertical advection and AB ;
244    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
245    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
246     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
247    checkpoint52e_pre
248    
249    o fix bug in impldiff when Nr=1 or Nr=2.
250    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
251    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
252    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
253      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
254    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
255    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
256    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
257    
258    checkpoint52d_post
259    o re-tiled many expts to allow comparison in multi-processor mode
260      - updated output accordingly
261      - changed hs94.128x64x5 to use intial T from file rather than use the
262        random number generator
263    o add infrastructure in model routines for fizhi and gridalt packages
264    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
265    o changes to permit hi-res, cubed-sphere, configuration
266      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
267      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
268      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
269        of surface winds for the cube
270      (A verification experiment, based on global_ocean.cs32x15, but with
271       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
272       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
273       complete with example surface forcing files and matlab scripts to look
274       at the output and compare it with that of global_ocean.cs32x15.)
275    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
276       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
277       to conform to the common rule.
278    o check-in the first version of the coupler + interfaces for multi-components
279       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
280       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
281       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
282       - ocean and atmos. share the same horizontal grid (no interpolation).
283       - exchanges between component and coupler is done in forward_step
284    o new verification experiment, cpl_aim+ocn:
285       coupled ocean - AIM atmosphere on cs32 grid.
286    
287    checkpoint52d_pre
288    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
289    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
290    
291    checkpoint52c_post
292    o Fixing OPTIONS files for use of exf:
293      - ALLOW_ECCO not needed
294      - ECCO_CPPOPTIONS.h should not be included from
295        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
296        as has been the case in the past
297      - All cal/exf related options are currently set in
298        single header file. Should remain so until we
299        agree on a consistent new policy.
300    o Removed all CPP options for cal package.
301      cal has no more CPP options.
302    o modified STOREs in GAD_ADVECTION
303    o corrected key comp. for passkey
304    
305    checkpoint52b_post
306    o new version: "thsice" of thermodynamic sea-ice pkg:
307     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
308     - modify fluxes but do not change theta directly;
309     - light cleaning of bulk_force pkg (still needed with thsice).
310     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
311       + output_thsice.txt to test thsice & bulk_force pkgs.
312    o put back grid & coriolis monitor output.
313    checkpoint52b_pre
314    
315    o call "do_the_model_io" at the beginning (=> dump initial state)
316    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
317    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
318      (need info on NUMBER_OF_PTRACERS)
319    o missing PTRACERS headers in some routines
320    o default tamc.h in pkg/autodiff supposed to crash
321      to ensure proper customization
322    
323    checkpoint52a_post
324    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
325      - moved surfaceTendencyTice from pkg/seaice to main code
326      - subroutine FREEZE_SURFACE now limits only surface temperature
327        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
328        => new output.txt for global_ocean.cs32x15 & global_with_exf
329      - keep the old version of FREEZE for backward compatibility;
330        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
331      - corresponding modifs for TAF directives
332    o added surface flux output variables to TIMEAVE_STATVARS
333    o time-averaged output for pkg/ptracers
334    o fix problem with ECCO-related divided adjoint
335      snapshot file was missing some ad-variables,
336      but no warning issued by TAF
337    
338    checkpoint52a_pre
339    o some bug fixes for #undef REAL4_IS_SLOW
340    
341    checkpoint52 = ecco_c52_e35
342    o after testing adjoints of checkpoint51u_post
343    
344    checkpoint51u_post
345    o this is the post-merge tag of the ecco-branch
346      (needs another clean checkout and re-testing)
347    o various natl_box_adjoint configs and results
348      but no input fields
349    o obcs adjoint not yet merged!
350    o adding ECCO global 1x1 and 2x2 degree configs
351    o updated/extended some store directives for seaice
352    o pkg/ecco now containes ecco-specific part of cost function
353    o top level routines the_main_loop, forward_step
354      supersede those in model/src/
355      previous input data.cost now in data.ecco
356      (new namelist ecco_cost_nml)
357    o in ctrl/ cleaned some cross-dependencies and updated CPP options
358    
359    checkpoint51t_post
360    o this is the pre-merge tag of the ecco-branch
361    
362    checkpoint51s_post
363    o cleanup: removed various obsolete #define-s
364    o pkg/grdchk
365      - renamed 'ph-grd 3' to 'grad-res'
366      - merged from ecco-branch
367        (remaining bug fixes for obcs gradient checks)
368      - additional high-precision output for testreport
369        (grep for 'precision_grdchk_result')
370    
371    checkpoint51r_post
372    o cleaned up or removed CPP_OPTIONS.h files
373    o updated results for some of the tests to reflect the new
374      optfiles (-ieee: -O0 instead of -O3)
375    
376    checkpoint51q_post
377    o cd_code:
378      - moved cd_scheme.F -> cd_code_scheme.F
379      - separate read_checkpoint from cd_code_ini_vars.F
380      - separated cd_code part from write_checkpoint
381      - updated AD_SOURCE, generated .flow
382      - added CD_CODE_VARS.h to the_main_loop
383      - Moving cd_code specific store dir.s to pkg/cd_code
384    o ctrl package totally restructured
385      - pack/unpack now optional and decoupled from
386        xx_/adxx_ I/O
387      - ctrl_pack/unpack cleaned
388        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
389      - confined inclusion of AD_CONFIG.h to where necessary.
390    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
391    
392    checkpoint51p_post
393    o create initial cd_code package
394      - WARNING: the initialization of fields within packages
395        is broken because INI_FIELDS (where READ_CHECKPOINT is
396        called) is called *before* PACKAGES_INIT_VARIABLES.
397        This seems to be backwards since
398        1) its important to initially zero the entire field including
399           the "halo" region
400        2) zeroing needs to be done *before* reading pickup info
401           and the pickup call might or might not happen in any
402           particular run
403      - this needs an overhaul for R2
404    o cleanup verification/*/code/GMREDI_OPTIONS.h
405    o cleanup testreport
406    
407    checkpoint51o_post
408    o bringing AD-related verif's up to date with genmake2
409      - carbon/
410      - global_ocean.90x40x15/
411      - hs.94.1x64x5/
412      - (front_relax/ )
413    o (more) consistent directory structure for AD-related verif.'s
414    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
415    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
416    o bug fix in find_alpha.F for MDJWF:
417      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
418        change rho -> rho-rhoConst
419      - replace call find_rho to find_rhonum
420    o initialisation of rFlx extended to full array (required by TAF)
421      and shifted to thermodynamics
422    o removed PTRACERS.h in ptracers routine
423    o added surfacetendencyPtr to S/R parameter list pracers_forcing
424    o Correcting initialisations for fVerU, fVerV.
425    o helping TAF to recognize dependency on kUp for
426      fVerU, fVerV
427    o Replacing delZ by delR in pkg/ctrl/
428    checkpoint51o_pre
429    
430    o undid all of cp51 pending some cleanups and discussion
431    o added the [#include "AD_CONFIG.h"] statement to all files that need
432       it for adjoint/tl #defines
433     o re-worked the build logic in genmake2 to support AD_CONFIG.h
434     o removed tools/genmake since it no longer works
435    
436    checkpoint51n_post
437    o modifications to make FREEZE flux visible to pkg/kpp
438      - moved surfaceTendencyTice from pkg/seaice to main code
439      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
440      - subroutine FREEZE now limits only surface temperature
441        (this means new output.txt for global_ocean.90x40x15,
442         global_ocean.cs32x15, and global_with_exf)
443    o added surface flux output variables to TIMEAVE_STATVARS
444    
445    checkpoint51n_pre
446    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
447    o added [#include "AD_CONFIG.h"] to all files that use the following
448      defines:
449      - ALLOW_ADJOINT_RUN
450      - ALLOW_TANGENTLINEAR_RUN
451      - ALLOW_ECCO_OPTIMIZATION
452    
453    checkpoint51m_post
454  o incorporating changes to get TAMC/TAF working in genmake2  o incorporating changes to get TAMC/TAF working in genmake2
455    - added new TAMC/TAF targets to the Makefile    - added new TAMC/TAF targets to the Makefile
456    - various cleanups related to package handling    - various cleanups related to package handling
457      - these changes should have no impact on the forward model
458    
459  checkpoint51l_post  checkpoint51l_post
460  o changes to pkg/cal and pkg/exf that allow and speed-up long integrations  o changes to pkg/cal and pkg/exf that allow and speed-up long integrations

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