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revision 1.1416 by jmc, Thu Apr 28 13:59:22 2011 UTC revision 1.1522 by mlosch, Wed Oct 26 09:30:32 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/pp81: add diagnostics for vertical eddy viscosity and diffusivity
8      (requires new subroutines pp81_init_fixed.F/pp81_diagnostics_init.F)
9    o pkg/obcs: Stevens BCs (still only for east and west)
10      - fix Stevens BCs by using intermediate velocities of previous
11        time step as "baroclinic" contribution rather velocity of one grid cell
12        inside the boundaries; more consistent but makes the entire treatment
13        more complicated, requires new pickup files and two new S/Rs:
14        obcs_copy_uv_n and obcs_save_uv_n
15        keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY
16        (undefined by default)
17      - silently move computation of some grid factors into separate loops to
18        save some recomputations
19      - add a hack for non-linear free surface
20      - add a verification experiment to exp4 that tests this code
21    o make gluemnc/xplodemnc work with (moron) non-GNU shell tools
22    
23    checkpoint63d (2011/10/25)
24    o pkg/obcs + seaice-dynamics:
25      - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
26        solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
27        values (consistent with an implicit method).
28      - add option OBCS_UVICE_OLD (in OBCS_OPTIONS.h, defined by default) to
29        return to older implementation (same results as before); note that none of
30        the "experimental" OBCS_SEAICE options are implemented in the new version.
31      - switch test exp. seaice_obcs to use new version (update output).
32    o pkg/seaice:
33      - add few stop (B-grid & CS-exch, B-grid & obcs, AUTODIFF & SEAICE_maskRHS)
34      - add parenthesis in Water-Ice drag calculations (evp & lsr);
35      - in seaice_lsr.F, simplify and fix AA3 setting in case sNx or sNy=1;
36        and fix case SEAICE_waterDrag=0 (but unstable if no or little seaice)
37      - update output of test exp lab_sea that uses evp or lsr (fwd+ad)
38        and global_ocean.cs32x15 (icedyn & seaice fwd+ad).
39    o pkg/layers:
40      - Include potential density as new coordinate (Thanks to David Munday)
41    o pkg/dic:
42      - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
43        carbonate computation/output to CALC_PCO2_APPROX
44    o pkg/generic_advdiff
45      - make TAF generate code that vectorizes:
46        gad_dst3fl_adv_*.F, gad_u3c4_impl_r.F
47    o model/src:
48      - improve vectorization also for adjoint code of
49        solve_tridiagonal and solve_pentadiagonal. As this requires up to
50        5 new 3D-fields, this code is only turned on for the combination of
51        ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX. Also remove error message
52        for singular matrix check (only for TARGET_NEC_SX).
53      - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
54        ALLOW_AUTODIFF. This flag now needs to be set outside of
55        solve_tri/pentadiagonal.F
56    o pkg/exf:
57      - fix previous modif in exf_readparms.F (revision 1.66: treatment of
58        optional namelist EXF_NML_OBCS).
59      - add many debug-print (to trace down where pkg/cal error msg comes from)
60    o pkg/mom_vecinv/mom_vi_hdissip.F
61      - rearrange loops so that vectorization is improved and in particular
62        the adjoint routine vectorizes. The code is a little longer now, but I
63        think easier to read.
64        Note: CPP-flag MOM_VI_ORIGINAL_VISCA4 is not tested.
65    o pkg/seaice:
66      - allow to specify initial seaice velocity from files (uIceFile,vIceFile)
67    o pkg/exch2:
68      - alternative code (without tile x tile matrix) for cumulated (global) sum;
69        used as default; keep using matrix version in adjustment.cs-32x32x1.
70    o tools/build_options:
71      - after merging some MPI and/or multi-threads specific optfiles so that
72        the modified default optfile support both built (using genmake2 -mpi
73        for the MPI built, using genmake2 -omp for OpenMP built),
74        move now obsolete optfiles to tools/build_options/unsupported/
75       (add copy of email sent to support list in doc/optfiles_changes.txt)
76    
77    checkpoint63c (2011/09/28)
78    o pkg/ebm:
79      - fix ebm_zonalmean.F for several procs in Ydir (nPy > 1); update output of
80        test exp. global_ocean_ebm (affects machine truncation, 12 digits for cg2d)
81    o pkg/seaice (SItracer pickup)
82    * Simple code for pickup of SItracer fields (#define ALLOW_SITRACER)
83      To be done:
84      - thorough testing of missing fields in S/R seaice_read_pickup
85      - thorough matching between generic tracers and specific fields used
86        (e.g. volume-weighted age, area-weighted age, salinity, ...)
87    o pkg/grdchk:
88      - all procs calculate and print finite-difference gradient (for testreport)
89      - change description output used by testreport;
90      - AD testing: also compare and report Finite-difference gradient;
91        => update all output_adm*.txt
92    o test exp. global_ocean_ebm:
93      - switch back useRealFreshWaterFlux (no problem anymore with run-off);
94        and turn on exactConserve; update (fwd) output.
95    o pkg/seaice (LSR):
96      - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
97      - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
98        * identical results with non-CS topology (but save up to half of EXCH calls)
99        * no much changes in cs-32 verification tests since no ice at face edges
100         (differences due to convergence criteria, since nb of iterations changed)
101        * expect some differences on lat-lon-cap grid.
102        update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
103    o pkg/exch2:
104      - add new CPP option to disable Cumul-Sum matrix (to save storage when using
105        many tiles); until alternative coding is added, just add a stop.
106    o pkg/kpp:
107      - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
108        to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
109    o optfiles:
110      - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
111        into corresponding standard one, which now support different build:
112        (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
113      - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
114    o pkg/obcs (seaice):
115      - add missing EXCH for uIce,vIce after applying OBCS;
116      - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
117        argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
118        EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
119      - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
120      - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
121        and eedata.mth for MPI and mutlti-threaded testing.
122    o pkg/flt:
123      - make FLT EXCH working with multi-threads (and MPI + multi-threads);
124      - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
125      - fix pickup and trajectories + profiles output with multi-threads;
126      - add parameter to select group of fields to write along trajectory and
127        profile (default unchanged);
128      - only call PORT_RAND* function when flt_noise <> 0;
129      - add multi-threaded test for verification exp. flt_example.
130    o eesupp/src:
131      - fix S/R ALL_PROC_DIE for MPI+multi-threads.
132      - USE_OMP_THREADING: check that number of threads (from eedata) matches
133        actual number (from env.var. setting).
134    o pkg/ebm:
135      - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
136      - add multi-threaded test for verification exp. global_ocean_ebm
137    
138    checkpoint63b (2011/08/29)
139    o pkg/ebm:
140      - fix sign of runoff;
141      - update directly forcing fields (Qnet,EmPmR) to use standard
142        external_forcing_surf.F (remove ebm_forcing_surf.F);
143      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
144      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
145        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
146      - update global_ocean_ebm parameters file data and update output (fwd+ad).
147    o verification/matrix_example:
148      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
149        MPI and mutlti-threaded testing.
150    o pkg/matrix:
151      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
152      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
153      - fix for multi-threaded (remove DATA statement);
154      - use standard DIFFERENT_MULTIPLE function;
155      - add MATRIX_OPTIONS.h
156    o verification/matrix_example:
157       To allow to split the domain in several tiles, change the domain size
158        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
159        Western side) of land points.
160    o (*_)write_pickup:
161      - fix few bugs in mypackage_read/write_pickup.F
162      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
163        array of length 1 (was caught by compiler syntax-check).
164    o pkg/diagnostics (velocity potential solver):
165      - fix initialisation of main diagonal matrix (for overlap values)
166    o tools/build_options:
167      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
168        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
169      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
170        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
171        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
172        and use "-devel" testreport option for standard testing on baudelaire.
173    o pkg/grdchk:
174      - Assume that all gradient-check position are within the same tile
175        corresponding to global indices (iGloTile,jGloTile) and that
176        positions (i,j indices or nbeg) are local to this tile;
177      - set tile local-indices and proc. number according to tile global-indices;
178      - remove grdchkwhichproc from namelist (retired param);
179      - send adjoint gradient to all procs so that all procs print it to STDOUT;
180      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
181    o adding package bbl (Bottom Boundary Layer)
182      description in MITgcm/pkg/bbl/bbl_description.tex
183      example/test experiment in MITgcm_contrib/bbl
184    o adjoint verifications
185      - changed 5 experiments to multi-tiles
186        * global_ocean.90x40x15
187        * obcs_ctrl
188        * offline_exf_seaice
189        * tutorial_dic_adjoffline
190        * tutorial_tracer_adjsens
191        changed reference output for those that crossed tile boundaries
192        (changed choices of gradient check positions)
193      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
194      - temporary bug fix in grdchk_loc.F for obcs
195    o genmake2 & testreport
196      - add target "obj" (just for OBJFILES files) to Makefile;
197      - add option to specify FEXTRAFLAGS on command line.
198    o pkg/mypackage:
199      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
200    
201    checkpoint63a (2011/08/02)
202    o pkg/diagnostics (velocity potential):
203      - fix velocity-potential calculation when using OBCS: balance net inflow
204        at each level (new S/R OBCS_DIAG_BALANCE).
205      - fix some of the problems with OBCS in stream-function calculation.
206    o pkg/exf/exf_readparms.F
207      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
208        EXF_NML_OBCS) more consistent, so that you need not have these lists
209        in data.exf when they are not used.
210    o optim/optim_readdata.F:
211      - add some output about obcs variables that might help debugging
212      - add a check about nvarlength
213    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
214    o pkg/diagnostics (velocity potential):
215      - fix mask for OBCS (still problems in stream-function with OBCS);
216      - add specific parameter (default = main code CG2D params) for solver;
217      - in case of poor convergence, use solution corresponding to lowest residual.
218    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
219      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
220      and should be avoided where possible.
221    o model/src (rStar):
222      - include r* effect on reference-state (PhiRef) in totPhiHyd
223        (so that it's really the potential anomaly at the cell center);
224        affect solution only if z* with full pressure in EOS.
225      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
226        update output (because of z* in totPhiHyd and viscA4 changes);
227      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
228        @ constant r) until interpolation at constant r is implemented.
229    o pkg/diagnostics
230      - fix RCENTER diagnostics in case cell center is not at interface middle
231    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
232      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
233      that THETA and SALT are "conservative temperature" and "absolute
234      salinity"
235    o pkg/ctrl
236      - fix computation of endrec in s/r ctrl_init_rec
237      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
238    o pkg/seaice/seaice_growth.F
239      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
240        remove then obsolete STORE directives
241      - fix STORE directives for tice and tices, so that only the
242        appropriate part of the fields are stored (and not the entire
243        field); update global_ocean.cs32x15.seaice AD output.
244      - cosmetic changes: adjust CPP flags and indentation for better
245        legibilty
246    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
247      Chris Wilson)
248    o pkg/gmredi:
249       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
250       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
251    
252    checkpoint63  (2011/07/11)
253    o pkg/exch2:
254     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
255     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
256       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
257       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
258    o pkg/diagnostics:
259     - deal with pairs of post-processed diags which are computed together; in
260       particular, re-order list of diags within 1 file to save 2nd computation.
261     - add S/R to compute velocity stream-function (called after velocity-potential
262       calculation) from divergence free transport -> new diagnostics "PsiVEL".
263     - add parameter to select grid-point location where PsiVEL == 0.
264    o eesupp/src:
265       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
266       (specific S/R needed with exch2 topology - for now, just print an error msg)
267    o pkg/shelfice
268     - Implement friction velocity-dependent transfer coefficients following
269       Holland and Jenkins, JPO, 1999
270       Original code by M. Losch with small modifs.
271       Enable with CPP option SHI_ALLOW_GAMMAFRICT
272       and runtime flag SHELFICEuseGammaFrict
273    o verification lab_sea & global_ocean.cs32x15:
274     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
275       does not miss some dependencies (but is slower) and also works with many files
276       (default makedepend limitation for AD built).
277     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
278    o pkg/diagnostics:
279     - add run-time parameter "useMissingValue" (def=False) to fill land-point
280        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
281       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
282     - Extend the use of "missing_value" setting from data.diagnostics for the case
283       of counter-diagnostics (where fraction-weight is zero). This applies both to
284       MNC and MDS output files.
285    o pkg/seaice/seaice_growth.F:
286      - add 'a priori' cap of latent heat flux based on actual mass considerations
287        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
288        non-legacy seaice_solve4temp.
289      - add diagnostic of the residual sublimation freshwater flux (the freshwater
290        flux taken from the ocean if the total actual latent heat fluxes exceed
291        the maximum)
292      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
293       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
294      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
295       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
296      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
297      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
298    o verification 1D_ocean_ice_column:
299       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
300       update results
301    o pkg/diagnostics:
302     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
303       which are not filled-up but computed from other diags ; In this case, the mate
304       diag points to the primary (filled-up) diag to used for post processing.
305     - Update Velocity-potential computation using post-processed diag framework.
306     ==> Change the ordering of fields and time-periods in MDS output file
307       when using periodic averaging: now writes one time record with the full set
308       of fields for this time period, then the next time reccord (it used to be
309       one field with the full set of time records then the next field).
310         Note: this is now similar to NetCDF (MNC) output file. <==
311    
312    checkpoint62z (2011/06/21)
313    o adjoint monitor:
314     - Add adjoint monitor output for packages exf, seaice
315       and update relevant testreport output
316    o pkg/seaice:
317     - re-order diags inits so that they appear in order in available_diagnostics.log
318     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
319       area/heff/hsnow preceeding thermodynamic growth/melt.
320     - modified diag: SIdA; output actual effect, as the description states.
321     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
322     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
323       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
324        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
325     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
326     - added diagnostics for seaice generic tracers (SItr*).
327     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
328     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
329     I. Fenty: 18-Jun-2011:
330     Minor changes to seaice package:
331     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
332        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
333       - Differentiated "regularization variables" from "floor variables"
334        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
335        * hiceMin became SEAICE_hice_reg (old hiceMin)
336          (with _reg meaning regularization variable)
337       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
338        so as to ensure energy conservation when going between phases
339      - A22 was not used anywhere
340     2) Changed regularization procedure for heffActual and hsnowActual to ensure
341        well-boundedness and smooth adjoint in seaice_growth.F
342     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
343        because the old regularization always set heffActual >= 0.05 cm
344     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
345        on AREA when HEFF > 0.
346      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
347        requiring that DISABLE_AREA_FLOOR *not* be defined
348     Affected verifications:
349      - 1D_ocean_ice_column (output.txt output_adm.txt)
350      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
351    o pkg/diagnostics:
352      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
353      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
354        (was _RL, now integer) with option = 0 to retrieve all levels.
355      - add pieces of code to compute velocity potential at each level (new diagnostics
356        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
357        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
358      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
359        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
360        and in diagnostics_fract_fill.F (do not need a valid pointer for the
361        diagnostics counter-mate); check that definition of counter-diagnostic
362        includes a valid counter-mate (in diagnostics_set_levels.F).
363    o model/src (rStar):
364      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
365        affect solution only if z* with full pressure in EOS;
366        update output of test-exp global_ocean.90x40x15.
367    o pkg/seaice:
368      - introduce siEps=1e-5 parameter
369      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
370      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
371      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
372        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
373        as well as ice cover age and ridging index (attached to AREA).
374        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
375        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
376        Up to SItrMaxNum=3 tracers can be used simultaneously.
377    o pkg/salt_plume:
378      -introduce SPsalFRAC run time parameter that sets the fraction of the
379       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
380       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
381    o model debug options:
382      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
383        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
384      - Refine debug-msg printing selection (3 new levels):
385        debugMode  : controls printing of debug messages (sequence of S/R calls).
386        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
387         debLevZero =  0 ; /* level of disabled aux. msg printing */
388         debLevA =  1 ; /* level of minimum  aux. msg printing */
389         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
390         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
391         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
392         debLevE =  5 ; /* level of extensive debug printing */
393        New debugLevel default: with default debugMode value (=F),
394          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
395          and if debugMode=T, default debugLevel = 4 (debLevD).
396        Relation with previous settings:
397         debLevB (=2) corresponds to former debLevA (=1)
398         debLevD (=4) corresponds to former debLevB (=2)
399        Note:
400         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
401         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
402            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
403      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
404        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
405    o pkg/obcs:
406      - change OBCSfixTopo default from True to False (should not change the results);
407        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
408    o pkg/thsice:
409      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
410        2nd layer seaice sublimation (unlikely to happen)
411      - use Interior mask for OBCS in thsice_advection.F (similar to what is
412        done in gad_advection & seaice_advection).
413    o adjoint:
414      bug fix spotted by Gael Forget:
415      seaice_advection and thsice_advection still had
416      legacy CPP options to avoid CS corner updates for adjoint
417    o pkg/seaice:
418      => Change some of the defaults (2011/05/29):
419         - change SEAICEuseFluxForm default (from False to True)
420         - change DIFF1 default (from 0.004 m/s to 0. m/s)
421         And print warnings if DIFF1 is not set in data.seaice and centered
422          avection scheme is used without any diffusion.
423      also:
424      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
425      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
426      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
427        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
428        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
429      update results of test exp.:
430         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
431             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
432             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
433         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
434         seaice_obcs: output (SEAICEuseFluxForm=T)
435      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
436          for standard fwd & AD lab_sea tests (to keep the same output).
437    o pkg/seaice/seaice_growth.F:
438      - use Ian Fenty's capping formulas for actual ice
439      thickness thoughout EVOLUTION branch.
440      - put treatment pathological case #2) in CPP brackets
441      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
442      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
443    o pkg/seaice:
444      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
445      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
446      also pass fac as a param, which can be 1. (to update the tendency
447      field) or the time step (to update the field itself).
448      - seaice_advdiff.F: for multidim, call seaice_diffusion with
449      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
450      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
451      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
452      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
453    o pkg/seaice:
454      diffusion with centered advection scheme (diffus.F & advect.F):
455      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
456        to just compute the laplacian of input-field.
457      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
458      - fix flux-form version in diffus.F to conserve tracer.
459      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
460       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
461    
462    checkpoint62y (2011/05/26)
463    o pkg/seaice:
464     - seaice_growth.F : in EVOLUTION branch, always include
465       a_QSWbyATM_cover in qnet (as it should be).
466     - verification/global_ocean.cs32x15 : update results accordingly
467       (output.seaice.txt output_adm.seaice.txt).
468    o pkg/seaice + obcs:
469     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
470       equivalent of assuming no tracer gradient outside the OB region.
471       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
472     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
473       after changes above);
474     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
475       only at OB location (instead of over a band of OLx width).
476    o pkg/seaice:
477     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
478       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
479    o pkg/obcs:
480      - split header file "OBCS.h" into 4 separated files:
481        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
482       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
483         (contain no conditional statement which depends on OBCS options).
484      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
485        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
486    o ctrl, cost, grdchk & autodiff pkgs:
487      - make options file more standard (like other {PKG}_OPTIONS.h file but
488        with AD_CONFIG.h); clean-up some of the included header files.
489    o pkg/obcs:
490      - do not mask tracer when applying OB (tracer == 0 could generate problems)
491      - apply tracer OB values to tracer field only at OB location (instead of
492        over a band of OLx width)
493      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
494      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
495        obcs_apply_tloc.F & obcs_apply_sloc.F
496    o obcs in model/src:
497      - call OBCS_APPLY_W only if NonHydrostatic.
498      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
499      - reset dEtaHdt and wVel to zero outside OB interior region ;
500      - leave tracer unchanged outside OB interior region: This has no effect
501        on the solution but just to prevent unrealistic tracer value outside OB.
502      - zero out velocity outside OB interior region: This has no effect on
503        the solution but just to prevent unrealistic velocity outside OB.
504    o obcs and non-lin free-surf:
505       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
506       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
507       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
508       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
509       update results of test-exp. exp4(nlfs).
510    o exp4 (nlfs) test-exp:
511       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
512       with NonLin-FreeSurf); update output.nlfs.txt
513    o obcs and 2d/3d solver norm:
514       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
515       and outside OB interior region (will allow to place OB further inside the
516       domain). Depending on the domain, can affects cg2d-Norm (previous
517       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
518       and cg3d-Norm (previous Norm was computed before canceling OB terms),
519       e.g. in tutorial_plume_on_slope.
520      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
521    o pkg rbcs:
522      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
523      - add capability to apply relaxation to horizontal velocity uVel & vVel.
524    o pkg/grdchk: add gradient check for control variable xx_shifwflx
525    o pkg/shelfice/shelfice_init_fixed.F
526      fix CPP-flag combinations
527    o pkg/seaice: Merge iceage code of Pierre Rampal
528      * update/change/correct ice age calculations
529      * add age updates for pathological cases
530      Probably needs more testing...
531    
532    checkpoint62x (2011/05/13)
533    o pkg/mom_vecinv:
534       high-order vorticity scheme: use interior masks (maskInW & S)
535       to zero-out (outside OB) gradient of vorticity.
536    o verification exp.:
537       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
538       hs94.128x64x5 and seaice_obcs ; update results.
539    o pkg/obcs:
540      fix bug in OBeta for YZ sections in obcs_exf_load.F
541    o pkg/ctrl, pkg/shelfice, and optim:
542      - add new control variable xx_shifwflx (fresh water flux underneath ice
543        shelves). This is almost as tedious as obcs-ctrl, because the
544        variables needs its own mask.
545      - add a cost function term that penalizes the deviation of xx_shifwflx
546        from the first guess (zero) in analogy to other control variables
547    o pkg/shelfice:
548      - start basic adjoint
549    o pkg/ctrl:
550      - remove extra 2D field "for good measure" when initializing in
551        ctrl_set_globfld_[xy/xz/yz].F
552      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
553      - improve error messages in ctrl_set_unpack_*
554    o OBC implementation in momentum:
555       use interior masks (maskInC,W & S) in momentum S/R:
556       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
557       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
558       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
559       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
560       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
561        (and also with Leith/Smagorinsky harmonic-viscosity).
562       Update output of experiment dome and exp4 (+nlfs).
563    o exp4 test-exp:
564      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
565        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
566        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
567        time-varying OB at Western-side for wVel (NonHyd); update output.
568      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
569        and biharmonic-viscosity ; also use prescribed time varying OB.
570    o pkg/obcs:
571      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
572    o model/src:
573      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
574      - initialise startTime & nIter0 with unlikely values: allows to set one
575        from the other without ambiguity.
576    o seaice_obcs test-exp.:
577      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
578    o pkg/obcs:
579      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
580        no longer needed with maskInC,W,S in pkg/generic_advdiff.
581    o pkg/seaice:
582      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
583        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
584      - fixed bug in the initialization of sea ice salinity variable HSALT
585        in seaice_init_varia.F  (removed dependence on ICE2WATR)
586  o fizhi-cs test exp.:  o fizhi-cs test exp.:
587     switch reference output convention for these 2 non-standard test-exp,     switch reference output convention for these 2 non-standard test-exp,
588      from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)      from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
589        to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)        to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
590     reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran     reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
591  o model/inc:  o model/inc:
# Line 16  o model/inc: Line 594  o model/inc:
594  o pkg/seaice:  o pkg/seaice:
595    - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY    - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
596  o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15  o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
597    - updated affected output*.txt files due to salt and saltPlumeFlux bug fix    - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
598        and initial HSALT
599    
600  checkpoint62w (2011/04/26)  checkpoint62w (2011/04/26)
601  o pkg/mom_fluxform:  o pkg/mom_fluxform:

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