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revision 1.1391 by mlosch, Wed Mar 9 16:18:06 2011 UTC revision 1.1503 by jmc, Thu Sep 22 20:12:10 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/ctrl/ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.  o pkg/seaice (LSR):
8      - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
9      - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
10        * identical results with non-CS topology (but save up to half of EXCH calls)
11        * no much changes in cs-32 verification tests since no ice at face edges
12         (differences due to convergence criteria, since nb of iterations changed)
13        * expect some differences on lat-lon-cap grid.
14        update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
15    o pkg/exch2:
16      - add new CPP option to disable Cumul-Sum matrix (to save storage when using
17        many tiles); until alternative coding is added, just add a stop.
18    o pkg/kpp:
19      - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
20        to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
21    o optfiles:
22      - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
23        into corresponding standard one, which now support different build:
24        (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
25      - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
26    o pkg/obcs (seaice):
27      - add missing EXCH for uIce,vIce after applying OBCS;
28      - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
29        argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
30        EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
31      - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
32      - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
33        and eedata.mth for MPI and mutlti-threaded testing.
34    o pkg/flt:
35      - make FLT EXCH working with multi-threads (and MPI + multi-threads);
36      - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
37      - fix pickup and trajectories + profiles output with multi-threads;
38      - add parameter to select group of fields to write along trajectory and
39        profile (default unchanged);
40      - only call PORT_RAND* function when flt_noise <> 0;
41      - add multi-threaded test for verification exp. flt_example.
42    o eesupp/src:
43      - fix S/R ALL_PROC_DIE for MPI+multi-threads.
44      - USE_OMP_THREADING: check that number of threads (from eedata) matches
45        actual number (from env.var. setting).
46    o pkg/ebm:
47      - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
48      - add multi-threaded test for verification exp. global_ocean_ebm
49    
50    checkpoint63b (2011/08/29)
51    o pkg/ebm:
52      - fix sign of runoff;
53      - update directly forcing fields (Qnet,EmPmR) to use standard
54        external_forcing_surf.F (remove ebm_forcing_surf.F);
55      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
56      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
57        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
58      - update global_ocean_ebm parameters file data and update output (fwd+ad).
59    o verification/matrix_example:
60      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
61        MPI and mutlti-threaded testing.
62    o pkg/matrix:
63      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
64      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
65      - fix for multi-threaded (remove DATA statement);
66      - use standard DIFFERENT_MULTIPLE function;
67      - add MATRIX_OPTIONS.h
68    o verification/matrix_example:
69       To allow to split the domain in several tiles, change the domain size
70        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
71        Western side) of land points.
72    o (*_)write_pickup:
73      - fix few bugs in mypackage_read/write_pickup.F
74      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
75        array of length 1 (was caught by compiler syntax-check).
76    o pkg/diagnostics (velocity potential solver):
77      - fix initialisation of main diagonal matrix (for overlap values)
78    o tools/build_options:
79      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
80        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
81      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
82        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
83        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
84        and use "-devel" testreport option for standard testing on baudelaire.
85    o pkg/grdchk:
86      - Assume that all gradient-check position are within the same tile
87        corresponding to global indices (iGloTile,jGloTile) and that
88        positions (i,j indices or nbeg) are local to this tile;
89      - set tile local-indices and proc. number according to tile global-indices;
90      - remove grdchkwhichproc from namelist (retired param);
91      - send adjoint gradient to all procs so that all procs print it to STDOUT;
92      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
93    o adding package bbl (Bottom Boundary Layer)
94      description in MITgcm/pkg/bbl/bbl_description.tex
95      example/test experiment in MITgcm_contrib/bbl
96    o adjoint verifications
97      - changed 5 experiments to multi-tiles
98        * global_ocean.90x40x15
99        * obcs_ctrl
100        * offline_exf_seaice
101        * tutorial_dic_adjoffline
102        * tutorial_tracer_adjsens
103        changed reference output for those that crossed tile boundaries
104        (changed choices of gradient check positions)
105      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
106      - temporary bug fix in grdchk_loc.F for obcs
107    o genmake2 & testreport
108      - add target "obj" (just for OBJFILES files) to Makefile;
109      - add option to specify FEXTRAFLAGS on command line.
110    o pkg/mypackage:
111      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
112    
113    checkpoint63a (2011/08/02)
114    o pkg/diagnostics (velocity potential):
115      - fix velocity-potential calculation when using OBCS: balance net inflow
116        at each level (new S/R OBCS_DIAG_BALANCE).
117      - fix some of the problems with OBCS in stream-function calculation.
118    o pkg/exf/exf_readparms.F
119      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
120        EXF_NML_OBCS) more consistent, so that you need not have these lists
121        in data.exf when they are not used.
122    o optim/optim_readdata.F:
123      - add some output about obcs variables that might help debugging
124      - add a check about nvarlength
125    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
126    o pkg/diagnostics (velocity potential):
127      - fix mask for OBCS (still problems in stream-function with OBCS);
128      - add specific parameter (default = main code CG2D params) for solver;
129      - in case of poor convergence, use solution corresponding to lowest residual.
130    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
131      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
132      and should be avoided where possible.
133    o model/src (rStar):
134      - include r* effect on reference-state (PhiRef) in totPhiHyd
135        (so that it's really the potential anomaly at the cell center);
136        affect solution only if z* with full pressure in EOS.
137      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
138        update output (because of z* in totPhiHyd and viscA4 changes);
139      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
140        @ constant r) until interpolation at constant r is implemented.
141    o pkg/diagnostics
142      - fix RCENTER diagnostics in case cell center is not at interface middle
143    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
144      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
145      that THETA and SALT are "conservative temperature" and "absolute
146      salinity"
147    o pkg/ctrl
148      - fix computation of endrec in s/r ctrl_init_rec
149      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
150    o pkg/seaice/seaice_growth.F
151      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
152        remove then obsolete STORE directives
153      - fix STORE directives for tice and tices, so that only the
154        appropriate part of the fields are stored (and not the entire
155        field); update global_ocean.cs32x15.seaice AD output.
156      - cosmetic changes: adjust CPP flags and indentation for better
157        legibilty
158    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
159      Chris Wilson)
160    o pkg/gmredi:
161       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
162       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
163    
164    checkpoint63  (2011/07/11)
165    o pkg/exch2:
166     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
167     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
168       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
169       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
170    o pkg/diagnostics:
171     - deal with pairs of post-processed diags which are computed together; in
172       particular, re-order list of diags within 1 file to save 2nd computation.
173     - add S/R to compute velocity stream-function (called after velocity-potential
174       calculation) from divergence free transport -> new diagnostics "PsiVEL".
175     - add parameter to select grid-point location where PsiVEL == 0.
176    o eesupp/src:
177       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
178       (specific S/R needed with exch2 topology - for now, just print an error msg)
179    o pkg/shelfice
180     - Implement friction velocity-dependent transfer coefficients following
181       Holland and Jenkins, JPO, 1999
182       Original code by M. Losch with small modifs.
183       Enable with CPP option SHI_ALLOW_GAMMAFRICT
184       and runtime flag SHELFICEuseGammaFrict
185    o verification lab_sea & global_ocean.cs32x15:
186     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
187       does not miss some dependencies (but is slower) and also works with many files
188       (default makedepend limitation for AD built).
189     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
190    o pkg/diagnostics:
191     - add run-time parameter "useMissingValue" (def=False) to fill land-point
192        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
193       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
194     - Extend the use of "missing_value" setting from data.diagnostics for the case
195       of counter-diagnostics (where fraction-weight is zero). This applies both to
196       MNC and MDS output files.
197    o pkg/seaice/seaice_growth.F:
198      - add 'a priori' cap of latent heat flux based on actual mass considerations
199        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
200        non-legacy seaice_solve4temp.
201      - add diagnostic of the residual sublimation freshwater flux (the freshwater
202        flux taken from the ocean if the total actual latent heat fluxes exceed
203        the maximum)
204      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
205       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
206      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
207       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
208      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
209      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
210    o verification 1D_ocean_ice_column:
211       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
212       update results
213    o pkg/diagnostics:
214     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
215       which are not filled-up but computed from other diags ; In this case, the mate
216       diag points to the primary (filled-up) diag to used for post processing.
217     - Update Velocity-potential computation using post-processed diag framework.
218     ==> Change the ordering of fields and time-periods in MDS output file
219       when using periodic averaging: now writes one time record with the full set
220       of fields for this time period, then the next time reccord (it used to be
221       one field with the full set of time records then the next field).
222         Note: this is now similar to NetCDF (MNC) output file. <==
223    
224    checkpoint62z (2011/06/21)
225    o adjoint monitor:
226     - Add adjoint monitor output for packages exf, seaice
227       and update relevant testreport output
228    o pkg/seaice:
229     - re-order diags inits so that they appear in order in available_diagnostics.log
230     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
231       area/heff/hsnow preceeding thermodynamic growth/melt.
232     - modified diag: SIdA; output actual effect, as the description states.
233     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
234     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
235       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
236        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
237     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
238     - added diagnostics for seaice generic tracers (SItr*).
239     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
240     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
241     I. Fenty: 18-Jun-2011:
242     Minor changes to seaice package:
243     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
244        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
245       - Differentiated "regularization variables" from "floor variables"
246        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
247        * hiceMin became SEAICE_hice_reg (old hiceMin)
248          (with _reg meaning regularization variable)
249       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
250        so as to ensure energy conservation when going between phases
251      - A22 was not used anywhere
252     2) Changed regularization procedure for heffActual and hsnowActual to ensure
253        well-boundedness and smooth adjoint in seaice_growth.F
254     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
255        because the old regularization always set heffActual >= 0.05 cm
256     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
257        on AREA when HEFF > 0.
258      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
259        requiring that DISABLE_AREA_FLOOR *not* be defined
260     Affected verifications:
261      - 1D_ocean_ice_column (output.txt output_adm.txt)
262      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
263    o pkg/diagnostics:
264      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
265      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
266        (was _RL, now integer) with option = 0 to retrieve all levels.
267      - add pieces of code to compute velocity potential at each level (new diagnostics
268        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
269        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
270      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
271        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
272        and in diagnostics_fract_fill.F (do not need a valid pointer for the
273        diagnostics counter-mate); check that definition of counter-diagnostic
274        includes a valid counter-mate (in diagnostics_set_levels.F).
275    o model/src (rStar):
276      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
277        affect solution only if z* with full pressure in EOS;
278        update output of test-exp global_ocean.90x40x15.
279    o pkg/seaice:
280      - introduce siEps=1e-5 parameter
281      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
282      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
283      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
284        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
285        as well as ice cover age and ridging index (attached to AREA).
286        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
287        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
288        Up to SItrMaxNum=3 tracers can be used simultaneously.
289    o pkg/salt_plume:
290      -introduce SPsalFRAC run time parameter that sets the fraction of the
291       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
292       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
293    o model debug options:
294      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
295        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
296      - Refine debug-msg printing selection (3 new levels):
297        debugMode  : controls printing of debug messages (sequence of S/R calls).
298        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
299         debLevZero =  0 ; /* level of disabled aux. msg printing */
300         debLevA =  1 ; /* level of minimum  aux. msg printing */
301         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
302         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
303         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
304         debLevE =  5 ; /* level of extensive debug printing */
305        New debugLevel default: with default debugMode value (=F),
306          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
307          and if debugMode=T, default debugLevel = 4 (debLevD).
308        Relation with previous settings:
309         debLevB (=2) corresponds to former debLevA (=1)
310         debLevD (=4) corresponds to former debLevB (=2)
311        Note:
312         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
313         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
314            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
315      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
316        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
317    o pkg/obcs:
318      - change OBCSfixTopo default from True to False (should not change the results);
319        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
320    o pkg/thsice:
321      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
322        2nd layer seaice sublimation (unlikely to happen)
323      - use Interior mask for OBCS in thsice_advection.F (similar to what is
324        done in gad_advection & seaice_advection).
325    o adjoint:
326      bug fix spotted by Gael Forget:
327      seaice_advection and thsice_advection still had
328      legacy CPP options to avoid CS corner updates for adjoint
329    o pkg/seaice:
330      => Change some of the defaults (2011/05/29):
331         - change SEAICEuseFluxForm default (from False to True)
332         - change DIFF1 default (from 0.004 m/s to 0. m/s)
333         And print warnings if DIFF1 is not set in data.seaice and centered
334          avection scheme is used without any diffusion.
335      also:
336      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
337      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
338      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
339        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
340        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
341      update results of test exp.:
342         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
343             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
344             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
345         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
346         seaice_obcs: output (SEAICEuseFluxForm=T)
347      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
348          for standard fwd & AD lab_sea tests (to keep the same output).
349    o pkg/seaice/seaice_growth.F:
350      - use Ian Fenty's capping formulas for actual ice
351      thickness thoughout EVOLUTION branch.
352      - put treatment pathological case #2) in CPP brackets
353      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
354      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
355    o pkg/seaice:
356      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
357      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
358      also pass fac as a param, which can be 1. (to update the tendency
359      field) or the time step (to update the field itself).
360      - seaice_advdiff.F: for multidim, call seaice_diffusion with
361      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
362      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
363      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
364      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
365    o pkg/seaice:
366      diffusion with centered advection scheme (diffus.F & advect.F):
367      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
368        to just compute the laplacian of input-field.
369      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
370      - fix flux-form version in diffus.F to conserve tracer.
371      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
372       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
373    
374    checkpoint62y (2011/05/26)
375    o pkg/seaice:
376     - seaice_growth.F : in EVOLUTION branch, always include
377       a_QSWbyATM_cover in qnet (as it should be).
378     - verification/global_ocean.cs32x15 : update results accordingly
379       (output.seaice.txt output_adm.seaice.txt).
380    o pkg/seaice + obcs:
381     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
382       equivalent of assuming no tracer gradient outside the OB region.
383       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
384     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
385       after changes above);
386     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
387       only at OB location (instead of over a band of OLx width).
388    o pkg/seaice:
389     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
390       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
391    o pkg/obcs:
392      - split header file "OBCS.h" into 4 separated files:
393        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
394       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
395         (contain no conditional statement which depends on OBCS options).
396      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
397        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
398    o ctrl, cost, grdchk & autodiff pkgs:
399      - make options file more standard (like other {PKG}_OPTIONS.h file but
400        with AD_CONFIG.h); clean-up some of the included header files.
401    o pkg/obcs:
402      - do not mask tracer when applying OB (tracer == 0 could generate problems)
403      - apply tracer OB values to tracer field only at OB location (instead of
404        over a band of OLx width)
405      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
406      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
407        obcs_apply_tloc.F & obcs_apply_sloc.F
408    o obcs in model/src:
409      - call OBCS_APPLY_W only if NonHydrostatic.
410      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
411      - reset dEtaHdt and wVel to zero outside OB interior region ;
412      - leave tracer unchanged outside OB interior region: This has no effect
413        on the solution but just to prevent unrealistic tracer value outside OB.
414      - zero out velocity outside OB interior region: This has no effect on
415        the solution but just to prevent unrealistic velocity outside OB.
416    o obcs and non-lin free-surf:
417       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
418       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
419       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
420       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
421       update results of test-exp. exp4(nlfs).
422    o exp4 (nlfs) test-exp:
423       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
424       with NonLin-FreeSurf); update output.nlfs.txt
425    o obcs and 2d/3d solver norm:
426       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
427       and outside OB interior region (will allow to place OB further inside the
428       domain). Depending on the domain, can affects cg2d-Norm (previous
429       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
430       and cg3d-Norm (previous Norm was computed before canceling OB terms),
431       e.g. in tutorial_plume_on_slope.
432      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
433    o pkg rbcs:
434      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
435      - add capability to apply relaxation to horizontal velocity uVel & vVel.
436    o pkg/grdchk: add gradient check for control variable xx_shifwflx
437    o pkg/shelfice/shelfice_init_fixed.F
438      fix CPP-flag combinations
439    o pkg/seaice: Merge iceage code of Pierre Rampal
440      * update/change/correct ice age calculations
441      * add age updates for pathological cases
442      Probably needs more testing...
443    
444    checkpoint62x (2011/05/13)
445    o pkg/mom_vecinv:
446       high-order vorticity scheme: use interior masks (maskInW & S)
447       to zero-out (outside OB) gradient of vorticity.
448    o verification exp.:
449       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
450       hs94.128x64x5 and seaice_obcs ; update results.
451    o pkg/obcs:
452      fix bug in OBeta for YZ sections in obcs_exf_load.F
453    o pkg/ctrl, pkg/shelfice, and optim:
454      - add new control variable xx_shifwflx (fresh water flux underneath ice
455        shelves). This is almost as tedious as obcs-ctrl, because the
456        variables needs its own mask.
457      - add a cost function term that penalizes the deviation of xx_shifwflx
458        from the first guess (zero) in analogy to other control variables
459    o pkg/shelfice:
460      - start basic adjoint
461    o pkg/ctrl:
462      - remove extra 2D field "for good measure" when initializing in
463        ctrl_set_globfld_[xy/xz/yz].F
464      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
465      - improve error messages in ctrl_set_unpack_*
466    o OBC implementation in momentum:
467       use interior masks (maskInC,W & S) in momentum S/R:
468       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
469       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
470       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
471       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
472       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
473        (and also with Leith/Smagorinsky harmonic-viscosity).
474       Update output of experiment dome and exp4 (+nlfs).
475    o exp4 test-exp:
476      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
477        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
478        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
479        time-varying OB at Western-side for wVel (NonHyd); update output.
480      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
481        and biharmonic-viscosity ; also use prescribed time varying OB.
482    o pkg/obcs:
483      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
484    o model/src:
485      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
486      - initialise startTime & nIter0 with unlikely values: allows to set one
487        from the other without ambiguity.
488    o seaice_obcs test-exp.:
489      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
490    o pkg/obcs:
491      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
492        no longer needed with maskInC,W,S in pkg/generic_advdiff.
493    o pkg/seaice:
494      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
495        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
496      - fixed bug in the initialization of sea ice salinity variable HSALT
497        in seaice_init_varia.F  (removed dependence on ICE2WATR)
498    o fizhi-cs test exp.:
499       switch reference output convention for these 2 non-standard test-exp,
500        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
501          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
502       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
503    o model/inc:
504      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
505        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
506    o pkg/seaice:
507      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
508    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
509      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
510        and initial HSALT
511    
512    checkpoint62w (2011/04/26)
513    o pkg/mom_fluxform:
514      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
515      - use parameter "sideDragFactor" in no-slip BC side-drag part.
516      - update output of exp. global_ocean.90x40x15
517    o pkg/mom_vecinv:
518      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
519    o update seaice exp.:
520      use more consistent parameter values (remove "backward compatability only":
521       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
522      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
523       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
524    o update test-exp global_ocean.90x40x15:
525      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
526      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
527      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
528      o turn on zStar & viscA4 in standard set-up (dir input/)
529        and update output files: output.txt & output.dwnslp.txt
530    o new AD-test experiment: obcs_ctrl
531      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
532    o pkg/dic:
533      fix two bugs in handling water vapour pressure in carbonate chemistry
534      and air-sea fluxes. Found by Val Bennington and Galen McKinley
535      (add DIC Option = WATERVAP_BUG to recover old results)
536      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
537    o adding allowInteriorFreezing option to check for water below freezing point
538      at depth and bring the negative heat anomaly to the surface level
539    o pkgs _fields_load:
540      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
541      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
542        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
543        rbcs to get interpolation weights and time reccord number.
544      - fix multi-threading in aim_fields_load.F
545      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
546    o external_fields_load:
547      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
548       interpolation weights) to use in a periodic time-series ; do not divide by
549       time-step to convert to integer:
550       - this fixes case where externForcingPeriod is not multiple of time-step
551          (Thanks to Christopher L. Wolfe)
552       - this fixes case where externForcingPeriod is an odd multiple of time-step
553         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
554      store index of time-record which is currently loaded:
555       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
556       - needed for the adjoint but not yet used because of extensive recomputations;
557         (to be fixed soon)
558    
559    checkpoint62v (2011/04/02)
560    o verification/1D_ocean_ice_column added to test Ian Fenty's
561      pkg/seaice_growth.F modifications for improving sea ice code differentiability
562    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
563      (new velocity statistics after changing maskInW & maskInS definition)
564    o pkg/generic_advdiff with OBCS:
565      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
566      equivalent to assumption of no tracer gradient outside the OB region.
567      This will affect the results if using obcs+biharmonic diffusion.
568      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
569    o pkg/obcs:
570      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
571      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
572      in Interior region. No impact on solution but affects Velocity monitor stats.
573    o pkg/ptracers (adjoint)
574      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
575      tape file for each tracer
576    o model/inc/src and pkg/autodiff: add parameters that allow to turn
577      of parts of the adjoint code at run time. For now, there are only
578      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
579      parameters are set in data.pkg.
580      This is the lazy coward's version of doing this, but still useful for
581      debugging. In order to do it right, everything needs to be moved to
582      pkg/autodiff.
583    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
584      the end; this fixes the adjoint balancing code for open boundaries.
585    o pkg/ctrl:
586      - change behavior of xx_${varname}period to be analogous to exf-conventions:
587        xx_${varname}period =   0.,  means time-independent control part
588        xx_${varname}period = -12., means one-year-periodic monthly control part
589      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
590        clean up ctrl_init a little, remove unused variables
591      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
592      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
593    
594    checkpoint62u (2011/03/15)
595    o model/src:
596      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
597        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
598      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
599        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
600    o pkg/ctrl/obcs/ecco:
601      - remove obsolete, unused, and partially broken code:
602        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
603        ALLOW_CTRL_OBCS_BALANCE
604      - put a stop statement into ecco/cost_obcsvol.F, but also add
605        cost_obcsvol to ecco_ad_diff.list
606    o pkg/ecco: fix counting cost function contributions for obcs (code
607      by Matt M.) and diffkr for diagnostics
608    o pkg/ecco, pkg/ctrl, pkg/grdchk:
609      add cost penalty terms for initial uvel, vvel, eta controls
610      and I/O for prior error files
611    o pkg/mdsio:
612       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
613       (new argument) to check for tiled file in mdsioLocalDir : this fix the
614       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
615    o pkg/ctrl:
616     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
617       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
618       unused and superfluous variables
619     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
620  o pkg/ecco  o pkg/ecco
621   - enable adjoint of Stevens OB   - enable adjoint of Stevens OB
622  o pkg/ctrl/ecco/grdchk:  o pkg/ctrl/ecco/grdchk:
623    - remove global declaration of tmpfldx/yz and tmpfldx/yz2.    - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
624      Fortunately, we do not have any tests for the numerous cpp-flagged      Fortunately, we do not have any tests for the numerous cpp-flagged
625      option of "obcs as control parameters" so we will never know      option of "obcs as control parameters" so we will never know
626      if this is an improvement (but at least now things compile).      if this is an improvement (but at least now things compile).
627    - remove an obsolete initialization from ecco_cost_init_barfiles.F    - remove an obsolete initialization from ecco_cost_init_barfiles.F
628    - fix some problems within never used ifdefs to make the code compile    - fix some problems within never used ifdefs to make the code compile
629  o pkg/obcs:  o pkg/obcs:
630   - Refine Interior mask definition to work with more complex OB (e.g.   - Refine Interior mask definition to work with more complex OB (e.g.
631     if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to     if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to

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