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revision 1.1435 by jmc, Wed May 18 02:21:49 2011 UTC revision 1.1521 by mlosch, Tue Oct 25 15:24:54 2011 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/obcs: Stevens BCs (still only for east and west)
8      - fix Stevens BCs by using intermediate velocities of previous
9        time step as "baroclinic" contribution rather velocity of one grid cell
10        inside the boundaries; more consistent but makes the entire treatment
11        more complicated, requires new pickup files and two new S/Rs:
12        obcs_copy_uv_n and obcs_save_uv_n
13        keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY
14        (undefined by default)
15      - silently move computation of some grid factors into separate loops to
16        save some recomputations
17      - add a hack for non-linear free surface
18      - add a verification experiment to exp4 that tests this code
19    o make gluemnc/xplodemnc work with (moron) non-GNU shell tools
20    
21    checkpoint63d (2011/10/25)
22    o pkg/obcs + seaice-dynamics:
23      - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
24        solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
25        values (consistent with an implicit method).
26      - add option OBCS_UVICE_OLD (in OBCS_OPTIONS.h, defined by default) to
27        return to older implementation (same results as before); note that none of
28        the "experimental" OBCS_SEAICE options are implemented in the new version.
29      - switch test exp. seaice_obcs to use new version (update output).
30    o pkg/seaice:
31      - add few stop (B-grid & CS-exch, B-grid & obcs, AUTODIFF & SEAICE_maskRHS)
32      - add parenthesis in Water-Ice drag calculations (evp & lsr);
33      - in seaice_lsr.F, simplify and fix AA3 setting in case sNx or sNy=1;
34        and fix case SEAICE_waterDrag=0 (but unstable if no or little seaice)
35      - update output of test exp lab_sea that uses evp or lsr (fwd+ad)
36        and global_ocean.cs32x15 (icedyn & seaice fwd+ad).
37    o pkg/layers:
38      - Include potential density as new coordinate (Thanks to David Munday)
39    o pkg/dic:
40      - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
41        carbonate computation/output to CALC_PCO2_APPROX
42    o pkg/generic_advdiff
43      - make TAF generate code that vectorizes:
44        gad_dst3fl_adv_*.F, gad_u3c4_impl_r.F
45    o model/src:
46      - improve vectorization also for adjoint code of
47        solve_tridiagonal and solve_pentadiagonal. As this requires up to
48        5 new 3D-fields, this code is only turned on for the combination of
49        ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX. Also remove error message
50        for singular matrix check (only for TARGET_NEC_SX).
51      - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
52        ALLOW_AUTODIFF. This flag now needs to be set outside of
53        solve_tri/pentadiagonal.F
54    o pkg/exf:
55      - fix previous modif in exf_readparms.F (revision 1.66: treatment of
56        optional namelist EXF_NML_OBCS).
57      - add many debug-print (to trace down where pkg/cal error msg comes from)
58    o pkg/mom_vecinv/mom_vi_hdissip.F
59      - rearrange loops so that vectorization is improved and in particular
60        the adjoint routine vectorizes. The code is a little longer now, but I
61        think easier to read.
62        Note: CPP-flag MOM_VI_ORIGINAL_VISCA4 is not tested.
63    o pkg/seaice:
64      - allow to specify initial seaice velocity from files (uIceFile,vIceFile)
65    o pkg/exch2:
66      - alternative code (without tile x tile matrix) for cumulated (global) sum;
67        used as default; keep using matrix version in adjustment.cs-32x32x1.
68    o tools/build_options:
69      - after merging some MPI and/or multi-threads specific optfiles so that
70        the modified default optfile support both built (using genmake2 -mpi
71        for the MPI built, using genmake2 -omp for OpenMP built),
72        move now obsolete optfiles to tools/build_options/unsupported/
73       (add copy of email sent to support list in doc/optfiles_changes.txt)
74    
75    checkpoint63c (2011/09/28)
76    o pkg/ebm:
77      - fix ebm_zonalmean.F for several procs in Ydir (nPy > 1); update output of
78        test exp. global_ocean_ebm (affects machine truncation, 12 digits for cg2d)
79    o pkg/seaice (SItracer pickup)
80    * Simple code for pickup of SItracer fields (#define ALLOW_SITRACER)
81      To be done:
82      - thorough testing of missing fields in S/R seaice_read_pickup
83      - thorough matching between generic tracers and specific fields used
84        (e.g. volume-weighted age, area-weighted age, salinity, ...)
85    o pkg/grdchk:
86      - all procs calculate and print finite-difference gradient (for testreport)
87      - change description output used by testreport;
88      - AD testing: also compare and report Finite-difference gradient;
89        => update all output_adm*.txt
90    o test exp. global_ocean_ebm:
91      - switch back useRealFreshWaterFlux (no problem anymore with run-off);
92        and turn on exactConserve; update (fwd) output.
93    o pkg/seaice (LSR):
94      - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
95      - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
96        * identical results with non-CS topology (but save up to half of EXCH calls)
97        * no much changes in cs-32 verification tests since no ice at face edges
98         (differences due to convergence criteria, since nb of iterations changed)
99        * expect some differences on lat-lon-cap grid.
100        update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
101    o pkg/exch2:
102      - add new CPP option to disable Cumul-Sum matrix (to save storage when using
103        many tiles); until alternative coding is added, just add a stop.
104    o pkg/kpp:
105      - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
106        to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
107    o optfiles:
108      - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
109        into corresponding standard one, which now support different build:
110        (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
111      - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
112    o pkg/obcs (seaice):
113      - add missing EXCH for uIce,vIce after applying OBCS;
114      - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
115        argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
116        EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
117      - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
118      - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
119        and eedata.mth for MPI and mutlti-threaded testing.
120    o pkg/flt:
121      - make FLT EXCH working with multi-threads (and MPI + multi-threads);
122      - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
123      - fix pickup and trajectories + profiles output with multi-threads;
124      - add parameter to select group of fields to write along trajectory and
125        profile (default unchanged);
126      - only call PORT_RAND* function when flt_noise <> 0;
127      - add multi-threaded test for verification exp. flt_example.
128    o eesupp/src:
129      - fix S/R ALL_PROC_DIE for MPI+multi-threads.
130      - USE_OMP_THREADING: check that number of threads (from eedata) matches
131        actual number (from env.var. setting).
132    o pkg/ebm:
133      - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
134      - add multi-threaded test for verification exp. global_ocean_ebm
135    
136    checkpoint63b (2011/08/29)
137    o pkg/ebm:
138      - fix sign of runoff;
139      - update directly forcing fields (Qnet,EmPmR) to use standard
140        external_forcing_surf.F (remove ebm_forcing_surf.F);
141      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
142      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
143        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
144      - update global_ocean_ebm parameters file data and update output (fwd+ad).
145    o verification/matrix_example:
146      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
147        MPI and mutlti-threaded testing.
148    o pkg/matrix:
149      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
150      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
151      - fix for multi-threaded (remove DATA statement);
152      - use standard DIFFERENT_MULTIPLE function;
153      - add MATRIX_OPTIONS.h
154    o verification/matrix_example:
155       To allow to split the domain in several tiles, change the domain size
156        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
157        Western side) of land points.
158    o (*_)write_pickup:
159      - fix few bugs in mypackage_read/write_pickup.F
160      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
161        array of length 1 (was caught by compiler syntax-check).
162    o pkg/diagnostics (velocity potential solver):
163      - fix initialisation of main diagonal matrix (for overlap values)
164    o tools/build_options:
165      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
166        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
167      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
168        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
169        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
170        and use "-devel" testreport option for standard testing on baudelaire.
171    o pkg/grdchk:
172      - Assume that all gradient-check position are within the same tile
173        corresponding to global indices (iGloTile,jGloTile) and that
174        positions (i,j indices or nbeg) are local to this tile;
175      - set tile local-indices and proc. number according to tile global-indices;
176      - remove grdchkwhichproc from namelist (retired param);
177      - send adjoint gradient to all procs so that all procs print it to STDOUT;
178      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
179    o adding package bbl (Bottom Boundary Layer)
180      description in MITgcm/pkg/bbl/bbl_description.tex
181      example/test experiment in MITgcm_contrib/bbl
182    o adjoint verifications
183      - changed 5 experiments to multi-tiles
184        * global_ocean.90x40x15
185        * obcs_ctrl
186        * offline_exf_seaice
187        * tutorial_dic_adjoffline
188        * tutorial_tracer_adjsens
189        changed reference output for those that crossed tile boundaries
190        (changed choices of gradient check positions)
191      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
192      - temporary bug fix in grdchk_loc.F for obcs
193    o genmake2 & testreport
194      - add target "obj" (just for OBJFILES files) to Makefile;
195      - add option to specify FEXTRAFLAGS on command line.
196    o pkg/mypackage:
197      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
198    
199    checkpoint63a (2011/08/02)
200    o pkg/diagnostics (velocity potential):
201      - fix velocity-potential calculation when using OBCS: balance net inflow
202        at each level (new S/R OBCS_DIAG_BALANCE).
203      - fix some of the problems with OBCS in stream-function calculation.
204    o pkg/exf/exf_readparms.F
205      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
206        EXF_NML_OBCS) more consistent, so that you need not have these lists
207        in data.exf when they are not used.
208    o optim/optim_readdata.F:
209      - add some output about obcs variables that might help debugging
210      - add a check about nvarlength
211    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
212    o pkg/diagnostics (velocity potential):
213      - fix mask for OBCS (still problems in stream-function with OBCS);
214      - add specific parameter (default = main code CG2D params) for solver;
215      - in case of poor convergence, use solution corresponding to lowest residual.
216    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
217      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
218      and should be avoided where possible.
219    o model/src (rStar):
220      - include r* effect on reference-state (PhiRef) in totPhiHyd
221        (so that it's really the potential anomaly at the cell center);
222        affect solution only if z* with full pressure in EOS.
223      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
224        update output (because of z* in totPhiHyd and viscA4 changes);
225      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
226        @ constant r) until interpolation at constant r is implemented.
227    o pkg/diagnostics
228      - fix RCENTER diagnostics in case cell center is not at interface middle
229    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
230      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
231      that THETA and SALT are "conservative temperature" and "absolute
232      salinity"
233    o pkg/ctrl
234      - fix computation of endrec in s/r ctrl_init_rec
235      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
236    o pkg/seaice/seaice_growth.F
237      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
238        remove then obsolete STORE directives
239      - fix STORE directives for tice and tices, so that only the
240        appropriate part of the fields are stored (and not the entire
241        field); update global_ocean.cs32x15.seaice AD output.
242      - cosmetic changes: adjust CPP flags and indentation for better
243        legibilty
244    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
245      Chris Wilson)
246    o pkg/gmredi:
247       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
248       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
249    
250    checkpoint63  (2011/07/11)
251    o pkg/exch2:
252     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
253     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
254       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
255       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
256    o pkg/diagnostics:
257     - deal with pairs of post-processed diags which are computed together; in
258       particular, re-order list of diags within 1 file to save 2nd computation.
259     - add S/R to compute velocity stream-function (called after velocity-potential
260       calculation) from divergence free transport -> new diagnostics "PsiVEL".
261     - add parameter to select grid-point location where PsiVEL == 0.
262    o eesupp/src:
263       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
264       (specific S/R needed with exch2 topology - for now, just print an error msg)
265    o pkg/shelfice
266     - Implement friction velocity-dependent transfer coefficients following
267       Holland and Jenkins, JPO, 1999
268       Original code by M. Losch with small modifs.
269       Enable with CPP option SHI_ALLOW_GAMMAFRICT
270       and runtime flag SHELFICEuseGammaFrict
271    o verification lab_sea & global_ocean.cs32x15:
272     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
273       does not miss some dependencies (but is slower) and also works with many files
274       (default makedepend limitation for AD built).
275     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
276    o pkg/diagnostics:
277     - add run-time parameter "useMissingValue" (def=False) to fill land-point
278        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
279       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
280     - Extend the use of "missing_value" setting from data.diagnostics for the case
281       of counter-diagnostics (where fraction-weight is zero). This applies both to
282       MNC and MDS output files.
283    o pkg/seaice/seaice_growth.F:
284      - add 'a priori' cap of latent heat flux based on actual mass considerations
285        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
286        non-legacy seaice_solve4temp.
287      - add diagnostic of the residual sublimation freshwater flux (the freshwater
288        flux taken from the ocean if the total actual latent heat fluxes exceed
289        the maximum)
290      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
291       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
292      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
293       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
294      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
295      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
296    o verification 1D_ocean_ice_column:
297       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
298       update results
299    o pkg/diagnostics:
300     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
301       which are not filled-up but computed from other diags ; In this case, the mate
302       diag points to the primary (filled-up) diag to used for post processing.
303     - Update Velocity-potential computation using post-processed diag framework.
304     ==> Change the ordering of fields and time-periods in MDS output file
305       when using periodic averaging: now writes one time record with the full set
306       of fields for this time period, then the next time reccord (it used to be
307       one field with the full set of time records then the next field).
308         Note: this is now similar to NetCDF (MNC) output file. <==
309    
310    checkpoint62z (2011/06/21)
311    o adjoint monitor:
312     - Add adjoint monitor output for packages exf, seaice
313       and update relevant testreport output
314    o pkg/seaice:
315     - re-order diags inits so that they appear in order in available_diagnostics.log
316     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
317       area/heff/hsnow preceeding thermodynamic growth/melt.
318     - modified diag: SIdA; output actual effect, as the description states.
319     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
320     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
321       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
322        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
323     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
324     - added diagnostics for seaice generic tracers (SItr*).
325     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
326     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
327     I. Fenty: 18-Jun-2011:
328     Minor changes to seaice package:
329     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
330        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
331       - Differentiated "regularization variables" from "floor variables"
332        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
333        * hiceMin became SEAICE_hice_reg (old hiceMin)
334          (with _reg meaning regularization variable)
335       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
336        so as to ensure energy conservation when going between phases
337      - A22 was not used anywhere
338     2) Changed regularization procedure for heffActual and hsnowActual to ensure
339        well-boundedness and smooth adjoint in seaice_growth.F
340     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
341        because the old regularization always set heffActual >= 0.05 cm
342     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
343        on AREA when HEFF > 0.
344      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
345        requiring that DISABLE_AREA_FLOOR *not* be defined
346     Affected verifications:
347      - 1D_ocean_ice_column (output.txt output_adm.txt)
348      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
349    o pkg/diagnostics:
350      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
351      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
352        (was _RL, now integer) with option = 0 to retrieve all levels.
353      - add pieces of code to compute velocity potential at each level (new diagnostics
354        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
355        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
356      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
357        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
358        and in diagnostics_fract_fill.F (do not need a valid pointer for the
359        diagnostics counter-mate); check that definition of counter-diagnostic
360        includes a valid counter-mate (in diagnostics_set_levels.F).
361    o model/src (rStar):
362      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
363        affect solution only if z* with full pressure in EOS;
364        update output of test-exp global_ocean.90x40x15.
365    o pkg/seaice:
366      - introduce siEps=1e-5 parameter
367      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
368      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
369      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
370        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
371        as well as ice cover age and ridging index (attached to AREA).
372        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
373        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
374        Up to SItrMaxNum=3 tracers can be used simultaneously.
375    o pkg/salt_plume:
376      -introduce SPsalFRAC run time parameter that sets the fraction of the
377       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
378       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
379    o model debug options:
380      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
381        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
382      - Refine debug-msg printing selection (3 new levels):
383        debugMode  : controls printing of debug messages (sequence of S/R calls).
384        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
385         debLevZero =  0 ; /* level of disabled aux. msg printing */
386         debLevA =  1 ; /* level of minimum  aux. msg printing */
387         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
388         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
389         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
390         debLevE =  5 ; /* level of extensive debug printing */
391        New debugLevel default: with default debugMode value (=F),
392          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
393          and if debugMode=T, default debugLevel = 4 (debLevD).
394        Relation with previous settings:
395         debLevB (=2) corresponds to former debLevA (=1)
396         debLevD (=4) corresponds to former debLevB (=2)
397        Note:
398         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
399         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
400            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
401      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
402        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
403    o pkg/obcs:
404      - change OBCSfixTopo default from True to False (should not change the results);
405        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
406    o pkg/thsice:
407      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
408        2nd layer seaice sublimation (unlikely to happen)
409      - use Interior mask for OBCS in thsice_advection.F (similar to what is
410        done in gad_advection & seaice_advection).
411    o adjoint:
412      bug fix spotted by Gael Forget:
413      seaice_advection and thsice_advection still had
414      legacy CPP options to avoid CS corner updates for adjoint
415    o pkg/seaice:
416      => Change some of the defaults (2011/05/29):
417         - change SEAICEuseFluxForm default (from False to True)
418         - change DIFF1 default (from 0.004 m/s to 0. m/s)
419         And print warnings if DIFF1 is not set in data.seaice and centered
420          avection scheme is used without any diffusion.
421      also:
422      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
423      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
424      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
425        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
426        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
427      update results of test exp.:
428         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
429             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
430             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
431         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
432         seaice_obcs: output (SEAICEuseFluxForm=T)
433      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
434          for standard fwd & AD lab_sea tests (to keep the same output).
435    o pkg/seaice/seaice_growth.F:
436      - use Ian Fenty's capping formulas for actual ice
437      thickness thoughout EVOLUTION branch.
438      - put treatment pathological case #2) in CPP brackets
439      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
440      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
441    o pkg/seaice:
442      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
443      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
444      also pass fac as a param, which can be 1. (to update the tendency
445      field) or the time step (to update the field itself).
446      - seaice_advdiff.F: for multidim, call seaice_diffusion with
447      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
448      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
449      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
450      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
451    o pkg/seaice:
452      diffusion with centered advection scheme (diffus.F & advect.F):
453      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
454        to just compute the laplacian of input-field.
455      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
456      - fix flux-form version in diffus.F to conserve tracer.
457      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
458       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
459    
460    checkpoint62y (2011/05/26)
461    o pkg/seaice:
462     - seaice_growth.F : in EVOLUTION branch, always include
463       a_QSWbyATM_cover in qnet (as it should be).
464     - verification/global_ocean.cs32x15 : update results accordingly
465       (output.seaice.txt output_adm.seaice.txt).
466    o pkg/seaice + obcs:
467     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
468       equivalent of assuming no tracer gradient outside the OB region.
469       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
470     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
471       after changes above);
472     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
473       only at OB location (instead of over a band of OLx width).
474    o pkg/seaice:
475     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
476       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
477    o pkg/obcs:
478      - split header file "OBCS.h" into 4 separated files:
479        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
480       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
481         (contain no conditional statement which depends on OBCS options).
482      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
483        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
484    o ctrl, cost, grdchk & autodiff pkgs:
485      - make options file more standard (like other {PKG}_OPTIONS.h file but
486        with AD_CONFIG.h); clean-up some of the included header files.
487    o pkg/obcs:
488      - do not mask tracer when applying OB (tracer == 0 could generate problems)
489      - apply tracer OB values to tracer field only at OB location (instead of
490        over a band of OLx width)
491      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
492      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
493        obcs_apply_tloc.F & obcs_apply_sloc.F
494    o obcs in model/src:
495      - call OBCS_APPLY_W only if NonHydrostatic.
496      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
497      - reset dEtaHdt and wVel to zero outside OB interior region ;
498      - leave tracer unchanged outside OB interior region: This has no effect
499        on the solution but just to prevent unrealistic tracer value outside OB.
500      - zero out velocity outside OB interior region: This has no effect on
501        the solution but just to prevent unrealistic velocity outside OB.
502    o obcs and non-lin free-surf:
503       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
504       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
505       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
506       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
507       update results of test-exp. exp4(nlfs).
508    o exp4 (nlfs) test-exp:
509       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
510       with NonLin-FreeSurf); update output.nlfs.txt
511  o obcs and 2d/3d solver norm:  o obcs and 2d/3d solver norm:
512     use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB     use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
513     and outside OB interior region (will allow to place OB further inside the     and outside OB interior region (will allow to place OB further inside the
514     domain). Depending on the domain, can affects cg2d-Norm (previous     domain). Depending on the domain, can affects cg2d-Norm (previous
515     cancelation outside OB was only partial), e.g. in exp4 & obcs_ctrl,     cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
516     and cg3d-Norm (previous Norm was computed before canceling OB terms),     and cg3d-Norm (previous Norm was computed before canceling OB terms),
517     e.g. in tutorial_plume_on_slope.     e.g. in tutorial_plume_on_slope.
518    - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.    - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
# Line 20  o pkg/shelfice/shelfice_init_fixed.F Line 524  o pkg/shelfice/shelfice_init_fixed.F
524    fix CPP-flag combinations    fix CPP-flag combinations
525  o pkg/seaice: Merge iceage code of Pierre Rampal  o pkg/seaice: Merge iceage code of Pierre Rampal
526    * update/change/correct ice age calculations    * update/change/correct ice age calculations
527    * add age updates for pathological cases    * add age updates for pathological cases
528    Probably needs more testing...    Probably needs more testing...
529    
530  checkpoint62x (2011/05/13)  checkpoint62x (2011/05/13)

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