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revision 1.196 by heimbach, Mon Oct 27 22:56:29 2003 UTC revision 1.321 by jmc, Mon Jul 5 23:56:43 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    tag before changing staggerTimeStep
7    checkpoint54a_pre
8    
9    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
10      - modified verification/lab_sea and natl_box_adjoint accordingly
11    
12    checkpoint54
13    checkpoint53g_post
14    o prepare splitting of thermodynamics: store convect.counter in common block
15    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
16      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
17    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
18    o new parameter "nShapS": allow to treat differently S from T (nShapT)
19    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
20    o restore adjointability
21    
22    checkpoint53f_post
23    o modifications that affect AIM experiment results (update output.txt):
24      - no advection of S at top interface Nr (pkg/generic_advdiff)
25      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
26    o AIM pkg:
27      - include stability function into surf.Flux derivative relative to Tsurf
28      - calculate clear-sky radiation & surface temp. change (for diagnostics)
29    
30    checkpoint53e_post
31    o merged cylindrical coord configuration
32    o added rotating_tank experiment
33    checkpoint53e_pre
34    
35    checkpoint53d_post
36    o faulks upgraded: re-generate output.txt that have changed:
37       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
38    o Added Bryan and Lewis, 1979, vertical diffusivity profile
39    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
40    o added Sadourny discretization of Coriolis
41      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
42      - re-enabled use of omega3 (useAbsVorticity)
43    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
44      vector-invariant equations
45      - note: does *NOT* yet use same variable visc. for no-slip BC's.
46    o recoded the lateral boundary conditions for non-hydrostatic w, this time
47      hopefully without new bugs
48      - still to do: biharmonic friction for non-hydrostatic w
49    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
50    o regenerated output for global_ocean_ebm (using -ieee)
51    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
52      of mom_common/
53      - simple re-arrangement of instructions within computing loop
54    checkpoint53d_pre
55    
56    checkpoint53c_post
57    o new version of coupler for AIM+thSIce and Ocean models
58     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
59     - land: change Evaporation of snow
60     - aim with thSIce: fix bug in snow-precip.
61    o changes to calc_gw.F
62     - bug fix for w^2 term near the bottom boundary
63     - (hopefully) improve the lateral slip boundary condtions for use with
64        partial/looped cells
65      - because the bug fix changes two verification experiments anyway (exp5
66        and plume on slope), change the lateral boundary condition from half slip
67        to the value of no_slip_sides
68    o ebm package wasnt quite up to the parallel task. Fixed that.
69    o Adjoint of EBM package + verification
70      * TLM OK
71      * ADM not sufficient accuracy yet (needs further testing)
72    
73    checkpoint53b_post
74    o Commiting new energy balance model to repository
75      * package is pkg/ebm
76      * verif. is verification/global_ocean_ebm
77      * references are in ebm_driver.F
78    C      * X. Wang, P. Stone and J. Marotzke, 1999:
79    C        Global thermohaline circulation. Part I:
80    C        Sensitivity to atmospheric moisture transport.
81    C        J. Climate 12(1), 71-82
82    C      * X. Wang, P. Stone and J. Marotzke, 1999:
83    C        Global thermohaline circulation. Part II:
84    C        Sensitivity with interactive transport.
85    C        J. Climate 12(1), 83-91
86    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
87    C        Destabilization of the thermohaline circulation
88    C        by atmospheric eddy transports.
89    C        J. Climate 7(12), 1870-1882
90    o Will need long integration testing.
91    checkpoint53b_pre
92    
93    o created pkg/mom_common in preparation for variable viscosity code
94    o renamed and split ini_mnc_io
95    o pkg/land: only liquid water can diffuse or run-off
96    o AIM using land: soil wetness availability account for snow
97    o added printMapIncludesZeros to EEPARMS namelist
98    
99    checkpoint53a_post
100    o restore TAMC compatiility for exf_constants.h
101      (no usage of _d in .h)
102    o Additional storing in KPP in an attempt to fix
103      TAMC problem with adjoint of KPP code.
104      (no success...)
105      Identical code works fine with TAF.
106    o Fixed verification/natl_box_adjoint experiments.
107      Initial conditions for Experiments 4 and 5 are now
108      set to "SEAICE_initialHEFF=0", which is more reasonable,
109      and hence gives results closer to that of Experiment 2.
110      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
111    
112    checkpoint53
113    o stable checkpoint with up to date adjoint
114      TLM tests only run for 1st grdchk at the moment. Its unclear if
115      this is a code problem or a problem with resetting code for g_
116      variables that is being autogenerated wrong.
117      Otherwise:
118       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
119       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
120         are both still in chaos following their security messes.
121    
122    checkpoint52n_post
123    o various build (mostly genmake2) changes including:
124      - ability to build/run more easily within Cygwin and MacOS X
125      - more complicated Makefiles with a stronger dependence on Gnu Make
126    o pkg/seaice modifications
127      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
128        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
129        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
130      - changed proxy for geostrophic velocity and updated
131        verification/lab_sea/results/* accordingly
132      - removed ADI dynamic solver from pkg/seaice
133      - replaced all occurrences of 1/CSTICE or 1/CSUICE
134        they caused a segmentation fault under certain circumstances
135      - removed unused field WATR
136    o bug fix in exf-package:
137      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
138         now reflect that.
139    o small fixes in the cal-package:
140      - set reference date to first of January for the 'model'-calendar
141      - failing of cal_CheckDate in cal_FullDate now actually results in a
142        warning
143    o small modifications in exf-package to increase flexibility:
144      - change climtempfreeze from a constant to a runtime parameter that
145        is specified in data.exf_clim (default = -1.9)
146      - introduce runtime parameter windstressmax (default = 2.0) that is
147        specified in data.exf
148    o fix in pkg/thsice:
149      - update Evap (Tsf changes) to be consistent with Latent heat flux
150      - maintain snow precipitation unchanged (even if Tsf >=0).
151     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
152    
153    checkpoint52m_post
154    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
155      this does not change any of the results, because myIter=0 in swfrac always
156      lead to jwtype=2 (the default anyway), but the call makes little sense
157      as a default
158    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
159    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
160      atmospheric model (AIM) to use it ; add a "slab ocean" component.
161    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
162    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
163    o extending useSingleCpuIO option to work with new exch2 I/O format
164      - old-style, missing-tile I/O is still accessible by defining CPP
165        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
166    o monitor package can write to NetCDF files and/or STDOUT
167    o fix re-definition bug in MNC_GRID_INIT_ALL()
168    o doc/api_reference added
169      - a framework for building an API Reference Manual using all
170        the "protex" comments embedded in the code
171      - see pkg/generic_advdiff, pkg/mnc for examples
172    o MNC:
173      - make myThid the last argument for all subroutines
174      - new default for the grid files: NO halos
175      - add useMNC and other run-time flags
176      - separate per-file-group handling of the unlimited dimension
177      - early initialization of MNC w/ flags read at the eeboot stage
178        and lookup tables set in initialize_fixed
179      - write all MNC output to a freshly-created directory
180    o thermodynamics sea-ice (thsice) is now tested with testreport.
181    o test exp. advect_cs: use the standard cs32 grid ; update output.
182    o Added functionality to grdchk:
183      pick global i,j,k position (or nearest wet) where to perform check.
184    
185    checkpoint52l_post
186    o new land formulation:
187      a) use ground enthalpy as prognostic variable to ensure exact
188         energy conservation.
189      b) account for water temperature and for latent heat of freezing
190         in all processes (rain, run-off, ground storage)
191      c) compute surface and ground temperature implicitly.
192    o aim_v23 modification for new land model:
193      a) Treat separately land / ocean / sea-ice surface fluxes
194         to allow implicit computation of land & sea-ice surface temp.
195      b) add snow precipitation.
196    checkpoint52l_pre
197    
198    o fix problem (when 1 tile is empty) in min/max monitor.
199    o fix bug in timeAve (u,vZetatave in common block)
200    o no restoring terms under ice for pkg/seaice
201    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
202    o bug fix for pkg/seaice pickups
203    o change MNC call locations and add coordinate attributes
204    o mask vorticity at the corner ; affects global_ocean.cs output
205    o fix ini_curvilinear_grid ; test CS experiments with mpi
206    o aim.5l_cs: modify sea-ice fraction input file ; update output
207    o exf: Adding simple range check routine for exf fields after read
208    
209    checkpoint52k_post
210    o removed top-level directory "diags"
211      - we migrated these functions to pkg/timeave a long time ago
212    o fixed bug introduced in pkg/monitor
213    o accuracy ctrlprec = 32 insuffient for gradient checks using
214      averaged fields (I/O via cost_averages)
215      -> use ctrl.h in active_file*.F to control I/O precision.
216    o paramter list of CALL ADTHE_MAIN_LOOP
217    o added initial do_the_model_io to ecco
218    o set all ...Freq to zero after cost_final
219      taveFreq, dumpFreq, pChkptFreq
220    o MAIN and ECCO differentiability restored
221    
222    checkpoint52j_post
223    o fix nchklev in tamc.h for global_ocean...
224    o Bringing flow and store directives up-to-date
225    o Really weird thing!
226      call do_the_model_io from the_main_loop with parameters
227      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
228      TAF places a faulty re-call of initialise_varia
229      after cost_final call which should not be there!
230    checkpoint52j_pre
231    
232    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
233      error messages
234    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
235    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
236      debug output
237    o modfied mdsio_writefield.F to handle non-global files under exch2
238    o update AIM Cubed-Sphere exp (aim.5l_cs):
239      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
240    o update AIM Equatorial Channel exp:
241      use standard aim_v23 pkg and change the SST fields to be more realistic.
242    o globalFile now works with exch2
243    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
244      mon_vort3.F to make exch2 friendly with >1 tile per cube face
245    o limit timeave output for hi-res integrations
246    
247    checkpoint52i_post
248    o removed CPP_EEOPTIONS.h from verification/*/code
249    o updated the tiling for global_ocean_pressure
250    checkpoint52i_pre
251    
252    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
253      the old pkg/aim).
254    
255    checkpoint52h_pre
256    o shortened offending lines in exch2_send_rx?.template
257    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
258    o genmake2: add build & execute test for NetCDF code
259    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
260      old grid files, moved CPP_EEMACROS.h to pkg/exch2
261    o added useSingleCPUIO flag to monitor.F and mon_out.F
262    o added temporary hack for sea-ice dynamics on the cube:
263      metric terms are ignored and it is assumed that
264      there is no sea-ice on cube faces 1, 2, 4, and 5.
265    
266    checkpoint52f_post
267    o added exch2 cube routines to pkg/exch2
268    o modified hs94.cs-32x32x5 to use it
269    o added new grid files to hs94.cs-32x32x5
270    checkpoint52f_pre
271    
272    checkpoint52e_post
273    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
274      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
275    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
276      to work with implicit vertical advection and AB ;
277    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
278    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
279     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
280    checkpoint52e_pre
281    
282    o fix bug in impldiff when Nr=1 or Nr=2.
283    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
284    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
285    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
286      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
287    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
288    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
289    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
290    
291    checkpoint52d_post
292    o re-tiled many expts to allow comparison in multi-processor mode
293      - updated output accordingly
294      - changed hs94.128x64x5 to use intial T from file rather than use the
295        random number generator
296    o add infrastructure in model routines for fizhi and gridalt packages
297    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
298    o changes to permit hi-res, cubed-sphere, configuration
299      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
300      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
301      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
302        of surface winds for the cube
303      (A verification experiment, based on global_ocean.cs32x15, but with
304       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
305       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
306       complete with example surface forcing files and matlab scripts to look
307       at the output and compare it with that of global_ocean.cs32x15.)
308    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
309       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
310       to conform to the common rule.
311    o check-in the first version of the coupler + interfaces for multi-components
312       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
313       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
314       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
315       - ocean and atmos. share the same horizontal grid (no interpolation).
316       - exchanges between component and coupler is done in forward_step
317    o new verification experiment, cpl_aim+ocn:
318       coupled ocean - AIM atmosphere on cs32 grid.
319    
320    checkpoint52d_pre
321    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
322    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
323    
324    checkpoint52c_post
325    o Fixing OPTIONS files for use of exf:
326      - ALLOW_ECCO not needed
327      - ECCO_CPPOPTIONS.h should not be included from
328        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
329        as has been the case in the past
330      - All cal/exf related options are currently set in
331        single header file. Should remain so until we
332        agree on a consistent new policy.
333    o Removed all CPP options for cal package.
334      cal has no more CPP options.
335    o modified STOREs in GAD_ADVECTION
336    o corrected key comp. for passkey
337    
338    checkpoint52b_post
339    o new version: "thsice" of thermodynamic sea-ice pkg:
340     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
341     - modify fluxes but do not change theta directly;
342     - light cleaning of bulk_force pkg (still needed with thsice).
343     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
344       + output_thsice.txt to test thsice & bulk_force pkgs.
345    o put back grid & coriolis monitor output.
346    checkpoint52b_pre
347    
348    o call "do_the_model_io" at the beginning (=> dump initial state)
349    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
350    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
351      (need info on NUMBER_OF_PTRACERS)
352    o missing PTRACERS headers in some routines
353    o default tamc.h in pkg/autodiff supposed to crash
354      to ensure proper customization
355    
356    checkpoint52a_post
357    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
358      - moved surfaceTendencyTice from pkg/seaice to main code
359      - subroutine FREEZE_SURFACE now limits only surface temperature
360        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
361        => new output.txt for global_ocean.cs32x15 & global_with_exf
362      - keep the old version of FREEZE for backward compatibility;
363        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
364      - corresponding modifs for TAF directives
365    o added surface flux output variables to TIMEAVE_STATVARS
366    o time-averaged output for pkg/ptracers
367    o fix problem with ECCO-related divided adjoint
368      snapshot file was missing some ad-variables,
369      but no warning issued by TAF
370    
371    checkpoint52a_pre
372    o some bug fixes for #undef REAL4_IS_SLOW
373    
374    checkpoint52 = ecco_c52_e35
375    o after testing adjoints of checkpoint51u_post
376    
377    checkpoint51u_post
378    o this is the post-merge tag of the ecco-branch
379      (needs another clean checkout and re-testing)
380    o various natl_box_adjoint configs and results
381      but no input fields
382    o obcs adjoint not yet merged!
383    o adding ECCO global 1x1 and 2x2 degree configs
384    o updated/extended some store directives for seaice
385    o pkg/ecco now containes ecco-specific part of cost function
386    o top level routines the_main_loop, forward_step
387      supersede those in model/src/
388      previous input data.cost now in data.ecco
389      (new namelist ecco_cost_nml)
390    o in ctrl/ cleaned some cross-dependencies and updated CPP options
391    
392    checkpoint51t_post
393    o this is the pre-merge tag of the ecco-branch
394    
395    checkpoint51s_post
396    o cleanup: removed various obsolete #define-s
397    o pkg/grdchk
398      - renamed 'ph-grd 3' to 'grad-res'
399      - merged from ecco-branch
400        (remaining bug fixes for obcs gradient checks)
401      - additional high-precision output for testreport
402        (grep for 'precision_grdchk_result')
403    
404    checkpoint51r_post
405    o cleaned up or removed CPP_OPTIONS.h files
406    o updated results for some of the tests to reflect the new
407      optfiles (-ieee: -O0 instead of -O3)
408    
409    checkpoint51q_post
410    o cd_code:
411      - moved cd_scheme.F -> cd_code_scheme.F
412      - separate read_checkpoint from cd_code_ini_vars.F
413      - separated cd_code part from write_checkpoint
414      - updated AD_SOURCE, generated .flow
415      - added CD_CODE_VARS.h to the_main_loop
416      - Moving cd_code specific store dir.s to pkg/cd_code
417    o ctrl package totally restructured
418      - pack/unpack now optional and decoupled from
419        xx_/adxx_ I/O
420      - ctrl_pack/unpack cleaned
421        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
422      - confined inclusion of AD_CONFIG.h to where necessary.
423    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
424    
425    checkpoint51p_post
426    o create initial cd_code package
427      - WARNING: the initialization of fields within packages
428        is broken because INI_FIELDS (where READ_CHECKPOINT is
429        called) is called *before* PACKAGES_INIT_VARIABLES.
430        This seems to be backwards since
431        1) its important to initially zero the entire field including
432           the "halo" region
433        2) zeroing needs to be done *before* reading pickup info
434           and the pickup call might or might not happen in any
435           particular run
436      - this needs an overhaul for R2
437    o cleanup verification/*/code/GMREDI_OPTIONS.h
438    o cleanup testreport
439    
440  checkpoint51o_post  checkpoint51o_post
441  o bringing AD-related verif's up to date with genmake2  o bringing AD-related verif's up to date with genmake2
442    - carbon/    - carbon/
# Line 27  o Replacing delZ by delR in pkg/ctrl/ Line 461  o Replacing delZ by delR in pkg/ctrl/
461  checkpoint51o_pre  checkpoint51o_pre
462    
463  o undid all of cp51 pending some cleanups and discussion  o undid all of cp51 pending some cleanups and discussion
464    o added the [#include "AD_CONFIG.h"] statement to all files that need
465       it for adjoint/tl #defines
466     o re-worked the build logic in genmake2 to support AD_CONFIG.h
467     o removed tools/genmake since it no longer works
468    
469  checkpoint51n_post  checkpoint51n_post
470  o modifications to make FREEZE flux visible to pkg/kpp  o modifications to make FREEZE flux visible to pkg/kpp

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