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revision 1.1442 by gforget, Wed May 25 23:56:29 2011 UTC revision 1.1496 by jmc, Mon Aug 29 03:00:09 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/ebm:
8      - fix sign of runoff;
9      - update directly forcing fields (Qnet,EmPmR) to use standard
10        external_forcing_surf.F (remove ebm_forcing_surf.F);
11      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
12      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
13        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
14      - update global_ocean_ebm parameters file data and update output (fwd+ad).
15    o verification/matrix_example:
16      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
17        MPI and mutlti-threaded testing.
18    o pkg/matrix:
19      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
20      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
21      - fix for multi-threaded (remove DATA statement);
22      - use standard DIFFERENT_MULTIPLE function;
23      - add MATRIX_OPTIONS.h
24    o verification/matrix_example:
25       To allow to split the domain in several tiles, change the domain size
26        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
27        Western side) of land points.
28    o (*_)write_pickup:
29      - fix few bugs in mypackage_read/write_pickup.F
30      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
31        array of length 1 (was caught by compiler syntax-check).
32    o pkg/diagnostics (velocity potential solver):
33      - fix initialisation of main diagonal matrix (for overlap values)
34    o tools/build_options:
35      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
36        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
37      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
38        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
39        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
40        and use "-devel" testreport option for standard testing on baudelaire.
41    o pkg/grdchk:
42      - Assume that all gradient-check position are within the same tile
43        corresponding to global indices (iGloTile,jGloTile) and that
44        positions (i,j indices or nbeg) are local to this tile;
45      - set tile local-indices and proc. number according to tile global-indices;
46      - remove grdchkwhichproc from namelist (retired param);
47      - send adjoint gradient to all procs so that all procs print it to STDOUT;
48      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
49    o adding package bbl (Bottom Boundary Layer)
50      description in MITgcm/pkg/bbl/bbl_description.tex
51      example/test experiment in MITgcm_contrib/bbl
52    o adjoint verifications
53      - changed 5 experiments to multi-tiles
54        * global_ocean.90x40x15
55        * obcs_ctrl
56        * offline_exf_seaice
57        * tutorial_dic_adjoffline
58        * tutorial_tracer_adjsens
59        changed reference output for those that crossed tile boundaries
60        (changed choices of gradient check positions)
61      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
62      - temporary bug fix in grdchk_loc.F for obcs
63    o genmake2 & testreport
64      - add target "obj" (just for OBJFILES files) to Makefile;
65      - add option to specify FEXTRAFLAGS on command line.
66    o pkg/mypackage:
67      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
68    
69    checkpoint63a (2011/08/02)
70    o pkg/diagnostics (velocity potential):
71      - fix velocity-potential calculation when using OBCS: balance net inflow
72        at each level (new S/R OBCS_DIAG_BALANCE).
73      - fix some of the problems with OBCS in stream-function calculation.
74    o pkg/exf/exf_readparms.F
75      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
76        EXF_NML_OBCS) more consistent, so that you need not have these lists
77        in data.exf when they are not used.
78    o optim/optim_readdata.F:
79      - add some output about obcs variables that might help debugging
80      - add a check about nvarlength
81    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
82    o pkg/diagnostics (velocity potential):
83      - fix mask for OBCS (still problems in stream-function with OBCS);
84      - add specific parameter (default = main code CG2D params) for solver;
85      - in case of poor convergence, use solution corresponding to lowest residual.
86    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
87      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
88      and should be avoided where possible.
89    o model/src (rStar):
90      - include r* effect on reference-state (PhiRef) in totPhiHyd
91        (so that it's really the potential anomaly at the cell center);
92        affect solution only if z* with full pressure in EOS.
93      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
94        update output (because of z* in totPhiHyd and viscA4 changes);
95      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
96        @ constant r) until interpolation at constant r is implemented.
97    o pkg/diagnostics
98      - fix RCENTER diagnostics in case cell center is not at interface middle
99    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
100      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
101      that THETA and SALT are "conservative temperature" and "absolute
102      salinity"
103    o pkg/ctrl
104      - fix computation of endrec in s/r ctrl_init_rec
105      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
106    o pkg/seaice/seaice_growth.F
107      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
108        remove then obsolete STORE directives
109      - fix STORE directives for tice and tices, so that only the
110        appropriate part of the fields are stored (and not the entire
111        field); update global_ocean.cs32x15.seaice AD output.
112      - cosmetic changes: adjust CPP flags and indentation for better
113        legibilty
114    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
115      Chris Wilson)
116    o pkg/gmredi:
117       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
118       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
119    
120    checkpoint63  (2011/07/11)
121    o pkg/exch2:
122     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
123     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
124       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
125       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
126    o pkg/diagnostics:
127     - deal with pairs of post-processed diags which are computed together; in
128       particular, re-order list of diags within 1 file to save 2nd computation.
129     - add S/R to compute velocity stream-function (called after velocity-potential
130       calculation) from divergence free transport -> new diagnostics "PsiVEL".
131     - add parameter to select grid-point location where PsiVEL == 0.
132    o eesupp/src:
133       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
134       (specific S/R needed with exch2 topology - for now, just print an error msg)
135    o pkg/shelfice
136     - Implement friction velocity-dependent transfer coefficients following
137       Holland and Jenkins, JPO, 1999
138       Original code by M. Losch with small modifs.
139       Enable with CPP option SHI_ALLOW_GAMMAFRICT
140       and runtime flag SHELFICEuseGammaFrict
141    o verification lab_sea & global_ocean.cs32x15:
142     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
143       does not miss some dependencies (but is slower) and also works with many files
144       (default makedepend limitation for AD built).
145     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
146    o pkg/diagnostics:
147     - add run-time parameter "useMissingValue" (def=False) to fill land-point
148        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
149       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
150     - Extend the use of "missing_value" setting from data.diagnostics for the case
151       of counter-diagnostics (where fraction-weight is zero). This applies both to
152       MNC and MDS output files.
153    o pkg/seaice/seaice_growth.F:
154      - add 'a priori' cap of latent heat flux based on actual mass considerations
155        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
156        non-legacy seaice_solve4temp.
157      - add diagnostic of the residual sublimation freshwater flux (the freshwater
158        flux taken from the ocean if the total actual latent heat fluxes exceed
159        the maximum)
160      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
161       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
162      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
163       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
164      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
165      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
166    o verification 1D_ocean_ice_column:
167       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
168       update results
169    o pkg/diagnostics:
170     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
171       which are not filled-up but computed from other diags ; In this case, the mate
172       diag points to the primary (filled-up) diag to used for post processing.
173     - Update Velocity-potential computation using post-processed diag framework.
174     ==> Change the ordering of fields and time-periods in MDS output file
175       when using periodic averaging: now writes one time record with the full set
176       of fields for this time period, then the next time reccord (it used to be
177       one field with the full set of time records then the next field).
178         Note: this is now similar to NetCDF (MNC) output file. <==
179    
180    checkpoint62z (2011/06/21)
181    o adjoint monitor:
182     - Add adjoint monitor output for packages exf, seaice
183       and update relevant testreport output
184    o pkg/seaice:
185     - re-order diags inits so that they appear in order in available_diagnostics.log
186     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
187       area/heff/hsnow preceeding thermodynamic growth/melt.
188     - modified diag: SIdA; output actual effect, as the description states.
189     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
190     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
191       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
192        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
193     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
194     - added diagnostics for seaice generic tracers (SItr*).
195     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
196     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
197     I. Fenty: 18-Jun-2011:
198     Minor changes to seaice package:
199     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
200        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
201       - Differentiated "regularization variables" from "floor variables"
202        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
203        * hiceMin became SEAICE_hice_reg (old hiceMin)
204          (with _reg meaning regularization variable)
205       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
206        so as to ensure energy conservation when going between phases
207      - A22 was not used anywhere
208     2) Changed regularization procedure for heffActual and hsnowActual to ensure
209        well-boundedness and smooth adjoint in seaice_growth.F
210     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
211        because the old regularization always set heffActual >= 0.05 cm
212     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
213        on AREA when HEFF > 0.
214      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
215        requiring that DISABLE_AREA_FLOOR *not* be defined
216     Affected verifications:
217      - 1D_ocean_ice_column (output.txt output_adm.txt)
218      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
219    o pkg/diagnostics:
220      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
221      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
222        (was _RL, now integer) with option = 0 to retrieve all levels.
223      - add pieces of code to compute velocity potential at each level (new diagnostics
224        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
225        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
226      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
227        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
228        and in diagnostics_fract_fill.F (do not need a valid pointer for the
229        diagnostics counter-mate); check that definition of counter-diagnostic
230        includes a valid counter-mate (in diagnostics_set_levels.F).
231    o model/src (rStar):
232      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
233        affect solution only if z* with full pressure in EOS;
234        update output of test-exp global_ocean.90x40x15.
235    o pkg/seaice:
236      - introduce siEps=1e-5 parameter
237      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
238      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
239      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
240        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
241        as well as ice cover age and ridging index (attached to AREA).
242        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
243        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
244        Up to SItrMaxNum=3 tracers can be used simultaneously.
245    o pkg/salt_plume:
246      -introduce SPsalFRAC run time parameter that sets the fraction of the
247       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
248       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
249    o model debug options:
250      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
251        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
252      - Refine debug-msg printing selection (3 new levels):
253        debugMode  : controls printing of debug messages (sequence of S/R calls).
254        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
255         debLevZero =  0 ; /* level of disabled aux. msg printing */
256         debLevA =  1 ; /* level of minimum  aux. msg printing */
257         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
258         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
259         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
260         debLevE =  5 ; /* level of extensive debug printing */
261        New debugLevel default: with default debugMode value (=F),
262          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
263          and if debugMode=T, default debugLevel = 4 (debLevD).
264        Relation with previous settings:
265         debLevB (=2) corresponds to former debLevA (=1)
266         debLevD (=4) corresponds to former debLevB (=2)
267        Note:
268         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
269         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
270            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
271      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
272        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
273    o pkg/obcs:
274      - change OBCSfixTopo default from True to False (should not change the results);
275        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
276    o pkg/thsice:
277      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
278        2nd layer seaice sublimation (unlikely to happen)
279      - use Interior mask for OBCS in thsice_advection.F (similar to what is
280        done in gad_advection & seaice_advection).
281    o adjoint:
282      bug fix spotted by Gael Forget:
283      seaice_advection and thsice_advection still had
284      legacy CPP options to avoid CS corner updates for adjoint
285    o pkg/seaice:
286      => Change some of the defaults (2011/05/29):
287         - change SEAICEuseFluxForm default (from False to True)
288         - change DIFF1 default (from 0.004 m/s to 0. m/s)
289         And print warnings if DIFF1 is not set in data.seaice and centered
290          avection scheme is used without any diffusion.
291      also:
292      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
293      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
294      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
295        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
296        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
297      update results of test exp.:
298         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
299             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
300             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
301         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
302         seaice_obcs: output (SEAICEuseFluxForm=T)
303      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
304          for standard fwd & AD lab_sea tests (to keep the same output).
305    o pkg/seaice/seaice_growth.F:
306      - use Ian Fenty's capping formulas for actual ice
307      thickness thoughout EVOLUTION branch.
308      - put treatment pathological case #2) in CPP brackets
309      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
310      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
311    o pkg/seaice:
312      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
313      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
314      also pass fac as a param, which can be 1. (to update the tendency
315      field) or the time step (to update the field itself).
316      - seaice_advdiff.F: for multidim, call seaice_diffusion with
317      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
318      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
319      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
320      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
321    o pkg/seaice:
322      diffusion with centered advection scheme (diffus.F & advect.F):
323      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
324        to just compute the laplacian of input-field.
325      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
326      - fix flux-form version in diffus.F to conserve tracer.
327      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
328       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
329    
330    checkpoint62y (2011/05/26)
331  o pkg/seaice:  o pkg/seaice:
332   - seaice_growth.F : in EVOLUTION branch, always include   - seaice_growth.F : in EVOLUTION branch, always include
333     a_QSWbyATM_cover in qnet (as it should be).     a_QSWbyATM_cover in qnet (as it should be).
334   - verification/global_ocean.cs32x15 : update results accordingly   - verification/global_ocean.cs32x15 : update results accordingly
335     (output.seaice.txt output_adm.seaice.txt).     (output.seaice.txt output_adm.seaice.txt).
336  o pkg/seaice + obcs:  o pkg/seaice + obcs:
337   - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:   - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
338     equivalent of assuming no tracer gradient outside the OB region.     equivalent of assuming no tracer gradient outside the OB region.

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