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revision 1.1315 by heimbach, Sat Oct 16 19:33:41 2010 UTC revision 1.1494 by jmc, Thu Aug 25 22:47:03 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 verification/matrix_example:
8       To allow to split the domain in several tiles, change the domain size
9        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
10        Western side) of land points.
11    o (*_)write_pickup:
12      - fix few bugs in mypackage_read/write_pickup.F
13      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
14        array of length 1 (was caught by compiler syntax-check).
15    o pkg/diagnostics (velocity potential solver):
16      - fix initialisation of main diagonal matrix (for overlap values)
17    o tools/build_options:
18      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
19        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
20      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
21        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
22        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
23        and use "-devel" testreport option for standard testing on baudelaire.
24    o pkg/grdchk:
25      - Assume that all gradient-check position are within the same tile
26        corresponding to global indices (iGloTile,jGloTile) and that
27        positions (i,j indices or nbeg) are local to this tile;
28      - set tile local-indices and proc. number according to tile global-indices;
29      - remove grdchkwhichproc from namelist (retired param);
30      - send adjoint gradient to all procs so that all procs print it to STDOUT;
31      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
32    o adding package bbl (Bottom Boundary Layer)
33      description in MITgcm/pkg/bbl/bbl_description.tex
34      example/test experiment in MITgcm_contrib/bbl
35    o adjoint verifications
36      - changed 5 experiments to multi-tiles
37        * global_ocean.90x40x15
38        * obcs_ctrl
39        * offline_exf_seaice
40        * tutorial_dic_adjoffline
41        * tutorial_tracer_adjsens
42        changed reference output for those that crossed tile boundaries
43        (changed choices of gradient check positions)
44      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
45      - temporary bug fix in grdchk_loc.F for obcs
46    o genmake2 & testreport
47      - add target "obj" (just for OBJFILES files) to Makefile;
48      - add option to specify FEXTRAFLAGS on command line.
49    o pkg/mypackage:
50      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
51    
52    checkpoint63a (2011/08/02)
53    o pkg/diagnostics (velocity potential):
54      - fix velocity-potential calculation when using OBCS: balance net inflow
55        at each level (new S/R OBCS_DIAG_BALANCE).
56      - fix some of the problems with OBCS in stream-function calculation.
57    o pkg/exf/exf_readparms.F
58      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
59        EXF_NML_OBCS) more consistent, so that you need not have these lists
60        in data.exf when they are not used.
61    o optim/optim_readdata.F:
62      - add some output about obcs variables that might help debugging
63      - add a check about nvarlength
64    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
65    o pkg/diagnostics (velocity potential):
66      - fix mask for OBCS (still problems in stream-function with OBCS);
67      - add specific parameter (default = main code CG2D params) for solver;
68      - in case of poor convergence, use solution corresponding to lowest residual.
69    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
70      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
71      and should be avoided where possible.
72    o model/src (rStar):
73      - include r* effect on reference-state (PhiRef) in totPhiHyd
74        (so that it's really the potential anomaly at the cell center);
75        affect solution only if z* with full pressure in EOS.
76      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
77        update output (because of z* in totPhiHyd and viscA4 changes);
78      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
79        @ constant r) until interpolation at constant r is implemented.
80    o pkg/diagnostics
81      - fix RCENTER diagnostics in case cell center is not at interface middle
82    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
83      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
84      that THETA and SALT are "conservative temperature" and "absolute
85      salinity"
86    o pkg/ctrl
87      - fix computation of endrec in s/r ctrl_init_rec
88      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
89    o pkg/seaice/seaice_growth.F
90      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
91        remove then obsolete STORE directives
92      - fix STORE directives for tice and tices, so that only the
93        appropriate part of the fields are stored (and not the entire
94        field); update global_ocean.cs32x15.seaice AD output.
95      - cosmetic changes: adjust CPP flags and indentation for better
96        legibilty
97    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
98      Chris Wilson)
99    o pkg/gmredi:
100       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
101       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
102    
103    checkpoint63  (2011/07/11)
104    o pkg/exch2:
105     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
106     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
107       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
108       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
109    o pkg/diagnostics:
110     - deal with pairs of post-processed diags which are computed together; in
111       particular, re-order list of diags within 1 file to save 2nd computation.
112     - add S/R to compute velocity stream-function (called after velocity-potential
113       calculation) from divergence free transport -> new diagnostics "PsiVEL".
114     - add parameter to select grid-point location where PsiVEL == 0.
115    o eesupp/src:
116       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
117       (specific S/R needed with exch2 topology - for now, just print an error msg)
118    o pkg/shelfice
119     - Implement friction velocity-dependent transfer coefficients following
120       Holland and Jenkins, JPO, 1999
121       Original code by M. Losch with small modifs.
122       Enable with CPP option SHI_ALLOW_GAMMAFRICT
123       and runtime flag SHELFICEuseGammaFrict
124    o verification lab_sea & global_ocean.cs32x15:
125     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
126       does not miss some dependencies (but is slower) and also works with many files
127       (default makedepend limitation for AD built).
128     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
129    o pkg/diagnostics:
130     - add run-time parameter "useMissingValue" (def=False) to fill land-point
131        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
132       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
133     - Extend the use of "missing_value" setting from data.diagnostics for the case
134       of counter-diagnostics (where fraction-weight is zero). This applies both to
135       MNC and MDS output files.
136    o pkg/seaice/seaice_growth.F:
137      - add 'a priori' cap of latent heat flux based on actual mass considerations
138        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
139        non-legacy seaice_solve4temp.
140      - add diagnostic of the residual sublimation freshwater flux (the freshwater
141        flux taken from the ocean if the total actual latent heat fluxes exceed
142        the maximum)
143      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
144       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
145      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
146       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
147      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
148      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
149    o verification 1D_ocean_ice_column:
150       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
151       update results
152    o pkg/diagnostics:
153     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
154       which are not filled-up but computed from other diags ; In this case, the mate
155       diag points to the primary (filled-up) diag to used for post processing.
156     - Update Velocity-potential computation using post-processed diag framework.
157     ==> Change the ordering of fields and time-periods in MDS output file
158       when using periodic averaging: now writes one time record with the full set
159       of fields for this time period, then the next time reccord (it used to be
160       one field with the full set of time records then the next field).
161         Note: this is now similar to NetCDF (MNC) output file. <==
162    
163    checkpoint62z (2011/06/21)
164    o adjoint monitor:
165     - Add adjoint monitor output for packages exf, seaice
166       and update relevant testreport output
167    o pkg/seaice:
168     - re-order diags inits so that they appear in order in available_diagnostics.log
169     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
170       area/heff/hsnow preceeding thermodynamic growth/melt.
171     - modified diag: SIdA; output actual effect, as the description states.
172     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
173     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
174       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
175        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
176     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
177     - added diagnostics for seaice generic tracers (SItr*).
178     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
179     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
180     I. Fenty: 18-Jun-2011:
181     Minor changes to seaice package:
182     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
183        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
184       - Differentiated "regularization variables" from "floor variables"
185        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
186        * hiceMin became SEAICE_hice_reg (old hiceMin)
187          (with _reg meaning regularization variable)
188       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
189        so as to ensure energy conservation when going between phases
190      - A22 was not used anywhere
191     2) Changed regularization procedure for heffActual and hsnowActual to ensure
192        well-boundedness and smooth adjoint in seaice_growth.F
193     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
194        because the old regularization always set heffActual >= 0.05 cm
195     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
196        on AREA when HEFF > 0.
197      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
198        requiring that DISABLE_AREA_FLOOR *not* be defined
199     Affected verifications:
200      - 1D_ocean_ice_column (output.txt output_adm.txt)
201      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
202    o pkg/diagnostics:
203      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
204      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
205        (was _RL, now integer) with option = 0 to retrieve all levels.
206      - add pieces of code to compute velocity potential at each level (new diagnostics
207        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
208        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
209      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
210        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
211        and in diagnostics_fract_fill.F (do not need a valid pointer for the
212        diagnostics counter-mate); check that definition of counter-diagnostic
213        includes a valid counter-mate (in diagnostics_set_levels.F).
214    o model/src (rStar):
215      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
216        affect solution only if z* with full pressure in EOS;
217        update output of test-exp global_ocean.90x40x15.
218    o pkg/seaice:
219      - introduce siEps=1e-5 parameter
220      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
221      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
222      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
223        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
224        as well as ice cover age and ridging index (attached to AREA).
225        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
226        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
227        Up to SItrMaxNum=3 tracers can be used simultaneously.
228    o pkg/salt_plume:
229      -introduce SPsalFRAC run time parameter that sets the fraction of the
230       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
231       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
232    o model debug options:
233      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
234        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
235      - Refine debug-msg printing selection (3 new levels):
236        debugMode  : controls printing of debug messages (sequence of S/R calls).
237        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
238         debLevZero =  0 ; /* level of disabled aux. msg printing */
239         debLevA =  1 ; /* level of minimum  aux. msg printing */
240         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
241         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
242         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
243         debLevE =  5 ; /* level of extensive debug printing */
244        New debugLevel default: with default debugMode value (=F),
245          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
246          and if debugMode=T, default debugLevel = 4 (debLevD).
247        Relation with previous settings:
248         debLevB (=2) corresponds to former debLevA (=1)
249         debLevD (=4) corresponds to former debLevB (=2)
250        Note:
251         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
252         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
253            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
254      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
255        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
256    o pkg/obcs:
257      - change OBCSfixTopo default from True to False (should not change the results);
258        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
259    o pkg/thsice:
260      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
261        2nd layer seaice sublimation (unlikely to happen)
262      - use Interior mask for OBCS in thsice_advection.F (similar to what is
263        done in gad_advection & seaice_advection).
264    o adjoint:
265      bug fix spotted by Gael Forget:
266      seaice_advection and thsice_advection still had
267      legacy CPP options to avoid CS corner updates for adjoint
268    o pkg/seaice:
269      => Change some of the defaults (2011/05/29):
270         - change SEAICEuseFluxForm default (from False to True)
271         - change DIFF1 default (from 0.004 m/s to 0. m/s)
272         And print warnings if DIFF1 is not set in data.seaice and centered
273          avection scheme is used without any diffusion.
274      also:
275      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
276      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
277      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
278        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
279        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
280      update results of test exp.:
281         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
282             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
283             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
284         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
285         seaice_obcs: output (SEAICEuseFluxForm=T)
286      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
287          for standard fwd & AD lab_sea tests (to keep the same output).
288    o pkg/seaice/seaice_growth.F:
289      - use Ian Fenty's capping formulas for actual ice
290      thickness thoughout EVOLUTION branch.
291      - put treatment pathological case #2) in CPP brackets
292      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
293      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
294    o pkg/seaice:
295      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
296      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
297      also pass fac as a param, which can be 1. (to update the tendency
298      field) or the time step (to update the field itself).
299      - seaice_advdiff.F: for multidim, call seaice_diffusion with
300      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
301      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
302      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
303      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
304    o pkg/seaice:
305      diffusion with centered advection scheme (diffus.F & advect.F):
306      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
307        to just compute the laplacian of input-field.
308      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
309      - fix flux-form version in diffus.F to conserve tracer.
310      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
311       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
312    
313    checkpoint62y (2011/05/26)
314    o pkg/seaice:
315     - seaice_growth.F : in EVOLUTION branch, always include
316       a_QSWbyATM_cover in qnet (as it should be).
317     - verification/global_ocean.cs32x15 : update results accordingly
318       (output.seaice.txt output_adm.seaice.txt).
319    o pkg/seaice + obcs:
320     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
321       equivalent of assuming no tracer gradient outside the OB region.
322       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
323     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
324       after changes above);
325     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
326       only at OB location (instead of over a band of OLx width).
327    o pkg/seaice:
328     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
329       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
330    o pkg/obcs:
331      - split header file "OBCS.h" into 4 separated files:
332        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
333       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
334         (contain no conditional statement which depends on OBCS options).
335      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
336        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
337    o ctrl, cost, grdchk & autodiff pkgs:
338      - make options file more standard (like other {PKG}_OPTIONS.h file but
339        with AD_CONFIG.h); clean-up some of the included header files.
340    o pkg/obcs:
341      - do not mask tracer when applying OB (tracer == 0 could generate problems)
342      - apply tracer OB values to tracer field only at OB location (instead of
343        over a band of OLx width)
344      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
345      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
346        obcs_apply_tloc.F & obcs_apply_sloc.F
347    o obcs in model/src:
348      - call OBCS_APPLY_W only if NonHydrostatic.
349      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
350      - reset dEtaHdt and wVel to zero outside OB interior region ;
351      - leave tracer unchanged outside OB interior region: This has no effect
352        on the solution but just to prevent unrealistic tracer value outside OB.
353      - zero out velocity outside OB interior region: This has no effect on
354        the solution but just to prevent unrealistic velocity outside OB.
355    o obcs and non-lin free-surf:
356       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
357       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
358       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
359       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
360       update results of test-exp. exp4(nlfs).
361    o exp4 (nlfs) test-exp:
362       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
363       with NonLin-FreeSurf); update output.nlfs.txt
364    o obcs and 2d/3d solver norm:
365       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
366       and outside OB interior region (will allow to place OB further inside the
367       domain). Depending on the domain, can affects cg2d-Norm (previous
368       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
369       and cg3d-Norm (previous Norm was computed before canceling OB terms),
370       e.g. in tutorial_plume_on_slope.
371      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
372    o pkg rbcs:
373      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
374      - add capability to apply relaxation to horizontal velocity uVel & vVel.
375    o pkg/grdchk: add gradient check for control variable xx_shifwflx
376    o pkg/shelfice/shelfice_init_fixed.F
377      fix CPP-flag combinations
378    o pkg/seaice: Merge iceage code of Pierre Rampal
379      * update/change/correct ice age calculations
380      * add age updates for pathological cases
381      Probably needs more testing...
382    
383    checkpoint62x (2011/05/13)
384    o pkg/mom_vecinv:
385       high-order vorticity scheme: use interior masks (maskInW & S)
386       to zero-out (outside OB) gradient of vorticity.
387    o verification exp.:
388       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
389       hs94.128x64x5 and seaice_obcs ; update results.
390    o pkg/obcs:
391      fix bug in OBeta for YZ sections in obcs_exf_load.F
392    o pkg/ctrl, pkg/shelfice, and optim:
393      - add new control variable xx_shifwflx (fresh water flux underneath ice
394        shelves). This is almost as tedious as obcs-ctrl, because the
395        variables needs its own mask.
396      - add a cost function term that penalizes the deviation of xx_shifwflx
397        from the first guess (zero) in analogy to other control variables
398    o pkg/shelfice:
399      - start basic adjoint
400    o pkg/ctrl:
401      - remove extra 2D field "for good measure" when initializing in
402        ctrl_set_globfld_[xy/xz/yz].F
403      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
404      - improve error messages in ctrl_set_unpack_*
405    o OBC implementation in momentum:
406       use interior masks (maskInC,W & S) in momentum S/R:
407       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
408       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
409       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
410       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
411       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
412        (and also with Leith/Smagorinsky harmonic-viscosity).
413       Update output of experiment dome and exp4 (+nlfs).
414    o exp4 test-exp:
415      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
416        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
417        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
418        time-varying OB at Western-side for wVel (NonHyd); update output.
419      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
420        and biharmonic-viscosity ; also use prescribed time varying OB.
421    o pkg/obcs:
422      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
423    o model/src:
424      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
425      - initialise startTime & nIter0 with unlikely values: allows to set one
426        from the other without ambiguity.
427    o seaice_obcs test-exp.:
428      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
429    o pkg/obcs:
430      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
431        no longer needed with maskInC,W,S in pkg/generic_advdiff.
432    o pkg/seaice:
433      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
434        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
435      - fixed bug in the initialization of sea ice salinity variable HSALT
436        in seaice_init_varia.F  (removed dependence on ICE2WATR)
437    o fizhi-cs test exp.:
438       switch reference output convention for these 2 non-standard test-exp,
439        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
440          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
441       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
442    o model/inc:
443      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
444        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
445    o pkg/seaice:
446      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
447    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
448      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
449        and initial HSALT
450    
451    checkpoint62w (2011/04/26)
452    o pkg/mom_fluxform:
453      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
454      - use parameter "sideDragFactor" in no-slip BC side-drag part.
455      - update output of exp. global_ocean.90x40x15
456    o pkg/mom_vecinv:
457      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
458    o update seaice exp.:
459      use more consistent parameter values (remove "backward compatability only":
460       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
461      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
462       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
463    o update test-exp global_ocean.90x40x15:
464      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
465      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
466      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
467      o turn on zStar & viscA4 in standard set-up (dir input/)
468        and update output files: output.txt & output.dwnslp.txt
469    o new AD-test experiment: obcs_ctrl
470      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
471    o pkg/dic:
472      fix two bugs in handling water vapour pressure in carbonate chemistry
473      and air-sea fluxes. Found by Val Bennington and Galen McKinley
474      (add DIC Option = WATERVAP_BUG to recover old results)
475      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
476    o adding allowInteriorFreezing option to check for water below freezing point
477      at depth and bring the negative heat anomaly to the surface level
478    o pkgs _fields_load:
479      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
480      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
481        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
482        rbcs to get interpolation weights and time reccord number.
483      - fix multi-threading in aim_fields_load.F
484      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
485    o external_fields_load:
486      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
487       interpolation weights) to use in a periodic time-series ; do not divide by
488       time-step to convert to integer:
489       - this fixes case where externForcingPeriod is not multiple of time-step
490          (Thanks to Christopher L. Wolfe)
491       - this fixes case where externForcingPeriod is an odd multiple of time-step
492         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
493      store index of time-record which is currently loaded:
494       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
495       - needed for the adjoint but not yet used because of extensive recomputations;
496         (to be fixed soon)
497    
498    checkpoint62v (2011/04/02)
499    o verification/1D_ocean_ice_column added to test Ian Fenty's
500      pkg/seaice_growth.F modifications for improving sea ice code differentiability
501    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
502      (new velocity statistics after changing maskInW & maskInS definition)
503    o pkg/generic_advdiff with OBCS:
504      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
505      equivalent to assumption of no tracer gradient outside the OB region.
506      This will affect the results if using obcs+biharmonic diffusion.
507      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
508    o pkg/obcs:
509      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
510      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
511      in Interior region. No impact on solution but affects Velocity monitor stats.
512    o pkg/ptracers (adjoint)
513      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
514      tape file for each tracer
515    o model/inc/src and pkg/autodiff: add parameters that allow to turn
516      of parts of the adjoint code at run time. For now, there are only
517      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
518      parameters are set in data.pkg.
519      This is the lazy coward's version of doing this, but still useful for
520      debugging. In order to do it right, everything needs to be moved to
521      pkg/autodiff.
522    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
523      the end; this fixes the adjoint balancing code for open boundaries.
524    o pkg/ctrl:
525      - change behavior of xx_${varname}period to be analogous to exf-conventions:
526        xx_${varname}period =   0.,  means time-independent control part
527        xx_${varname}period = -12., means one-year-periodic monthly control part
528      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
529        clean up ctrl_init a little, remove unused variables
530      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
531      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
532    
533    checkpoint62u (2011/03/15)
534    o model/src:
535      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
536        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
537      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
538        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
539    o pkg/ctrl/obcs/ecco:
540      - remove obsolete, unused, and partially broken code:
541        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
542        ALLOW_CTRL_OBCS_BALANCE
543      - put a stop statement into ecco/cost_obcsvol.F, but also add
544        cost_obcsvol to ecco_ad_diff.list
545    o pkg/ecco: fix counting cost function contributions for obcs (code
546      by Matt M.) and diffkr for diagnostics
547    o pkg/ecco, pkg/ctrl, pkg/grdchk:
548      add cost penalty terms for initial uvel, vvel, eta controls
549      and I/O for prior error files
550    o pkg/mdsio:
551       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
552       (new argument) to check for tiled file in mdsioLocalDir : this fix the
553       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
554    o pkg/ctrl:
555     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
556       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
557       unused and superfluous variables
558     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
559    o pkg/ecco
560     - enable adjoint of Stevens OB
561    o pkg/ctrl/ecco/grdchk:
562      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
563        Fortunately, we do not have any tests for the numerous cpp-flagged
564        option of "obcs as control parameters" so we will never know
565        if this is an improvement (but at least now things compile).
566      - remove an obsolete initialization from ecco_cost_init_barfiles.F
567      - fix some problems within never used ifdefs to make the code compile
568    o pkg/obcs:
569     - Refine Interior mask definition to work with more complex OB (e.g.
570       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
571       read in Interior mask from file. Check if Interior mask is consistent
572       with OB list of indices.
573    o pkg/seaice
574     - beginning code for a seaice tracer package,
575       but currently only used for seaice age: SEAICE_AGE
576       SEAICE_num = 4
577       iTracer = 1: area-weighted ice age
578               = 2: volume-weighted ice age
579               = 3, 4: template for one-year vs. multi-year ice
580       data.seaice has new namelist SEAICE_PARM03 for arrays related to
581       SEAICE_num
582    
583    checkpoint62t (2011/03/05)
584    o pkg/obcs:
585     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
586       then normal component. This ensures that the normal component is set
587       correctly even when it conficts with tangential setting from an other OB.
588       Affects results of test-experiment seaice_obcs: update the output.txt
589    o pkg/obcs:
590     - add code to monitor statistics of dynamical fields at OB.
591     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
592       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
593       - change default: balance the Net inflow through all OB (instead of balancing
594         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
595     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
596       to match Nortern OB inflow (OBCS_balanceFacN=0).
597    o pkg/seaice:
598     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
599    o pkg/seaice (seaice_growth v 1.113):
600     - reverting seaice_growth to v 1.111 in order to have code with exact bit
601       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
602       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
603       runtime flag SEAICEareaFormula is kept but is inactive
604    o model/src:
605     - add new param to scale curvilinear grid distance and area when using
606       a different sphere radius from the grid-files.
607     - test/check multi-threads EXCH applied to local variable (cg2d_x)
608    o adjoint:
609     - enable adjoint of Stevens OB
610     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
611       (a bit delicate because of potentially modified adj. common block structure;
612       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
613    
614    checkpoint62s (2011/02/15)
615    o pkg/seaice (seaice_growth v 1.112):
616     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
617       computing the ice cover tendency from effective thickness tendencies. Include
618       Ian Fenty's formula.
619     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
620       SEAICEareaFormula.
621     - simplify notations for the various d_HEFF/d_AREA terms.
622    o pkg/gmredi:
623     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
624       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
625       add a verification test-run (front_relax.bvp) to test GM_useBVP.
626    o pkg/seaice (seaice_growth v 1.111):
627     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
628     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
629       also melt ice.
630    o pkg/seaice:
631     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
632     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
633    o pkg/cheapaml:
634     - from Nico Wienders: New version of this package.
635    o pkg/flt:
636     - add CPP options to prevent floats to re-enter the opposite side of
637       a periodic domain (default: keep periodicity)
638    o pkg/gmredi:
639     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
640       (needed for multi-dim advection).
641     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
642    o model/src:
643     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
644    o tutorial_tracer_adjsens
645     - extend to NLFS and replace maskC by hFacC
646       (change reference output accordingly)
647    
648    checkpoint62r (2011/01/24)
649    o testreport:
650     - add option -deloutp (-do) to remove output file after successful run
651     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
652       extract exact list of procs from this file ; adjust COMMAND by
653       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
654    o pkg/ecco: replace old ineffective way of penalizing deviations from
655      first guess (of obcs) with code by Matt Mazloff
656    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
657      exf/cal
658      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
659        and handle case of obcs?period == 0
660        Not affected by these changes: There is still an inconsistency in
661        the computation of start/endrec for the obcs variables for ALLOW_CAL
662        defined (see comment by Menemenlis, 7-Mar-2003)
663      - make S/R ctrl_get_gen_rec return something meaningful even if
664        ALLOW_CAL is not defined
665      - ctrl_getobcs?: simplify code so that it does not need to use
666                       S/R exf_swapfields
667    o testreport:
668       allow to test MPI with different number of processors for each experiment:
669       create file "SIZE.h.mpi" in each build dir.
670       Note: update of "-command" argument not yet implemented.
671    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
672      alleviate the need for additional 3D tapes when using
673      the non-inear free surface in the adjoint. This is done
674      by adding an 'update' of hfacc etc. to their current
675      value at the beginning of forward_step.F.
676    o pkg/seaice
677      seaice_lsr: move stress-divergence computations out of outer pseudo-
678      timestepping loop
679    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
680      up, so that the calls of the ctrl_* subroutines are really at the end
681      of the routine.
682    o pkg/gmredi:
683      allow to specify a 2-D horizontal map and a 1-D vertical profil
684      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
685    o pkg/seaice:
686      move lsr iterations from seaice_dynsolver to seaice_lsr.
687    o pkg/seaice:
688      reduce memory footprint of seaice mutldim advection tapes,
689      by using a 2D tape independent of the generic_advdiff ones,
690      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
691    
692    checkpoint62q (2010/12/29)
693    o model/src:
694      - check horizontal grid-spacing for unset or zero/negative values.
695      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
696    o pkg/flt:
697      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
698      - precision of input and output files set according to readBinaryPrec
699        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
700      - initial float position from tiled file was not converted to index space
701        (looks like a bug): fixed to make it similar to initial pos. global file.
702    o global_ocean.cs32x15:
703       change SIZE.h of AD set-up to get same tiling as with MPI.
704       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
705    o model/src:
706       add flag to control printing of domain fields (bathymetry, hFac ...) in
707       ini_mask_etc (call to plot_fieds_xy*).
708    o pkg/thsice:
709       if useEXF, some forcing fields are not valid in overlap: fixed by computing
710       over the interior only + apply EXCH at the end (like with SEAICE advection).
711    o pkg/mdsio:
712      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
713        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
714      - change barrier call for safe multi-threads access to 3-D shared buffer.
715      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
716      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
717        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
718    o pkg/flt:
719      - add fourth-order Runge-Kutta integration
720      - add basic exch2 support (only 1 facet supported so far!)
721    o pkg/mdsio+rw:
722      new S/R to read local (or tile independent) vector (read counterpart of
723       mds_writevec_loc, and front-end write_glvec_rl/rs).
724    o global_ocean.cs32x15: additional input_ad.seaice experiment
725        that uses pkg/seaice rather than pkg/thsice.
726        (using multidim advection for seaice)
727    o towards more F95 syntax for array specification in namelist:
728      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
729        of all verification experiments.
730           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
731          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
732      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
733    o global_ocean.cs32x15: additional input.seaice experiment
734        that uses pkg/seaice rather than pkg/thsice.
735    
736    checkpoint62p (2010/12/17)
737    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
738        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
739    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
740        allow for use of multim. advection in seaice adjoint.
741    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
742      - first attempt to close budgets by taking into account the freshwater
743        flux implied by the sublimation of snow and ice. So far only the
744        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
745        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
746    o eesupp/src:
747      new S/R with new option (NML_EXTENDED_F77) to change array specification
748      from F95 standard to commonly accepted extended F77 form.
749      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
750      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
751      for less tolerant f77 compiler (e.g., pgf77, g77).
752    o globalFiles:
753      commented out in parameter file "data" since it's not safe with MPI
754      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
755      in this case); no longer commented out in restart test (tst_2+2).
756    o add adTapeDir to specify a special directory where adjoint tapes are
757      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
758      and cannot be used together with mdsioLocalDir.
759    o nesting pkgs:
760      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
761      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
762      - add parameter files + utils dir + output from short run on beagle.
763    o pkg/seaice:
764        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
765    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
766      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
767    
768    checkpoint62o (2010/11/25)
769    o pkg/exf:
770      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
771    o pkg/seaice:
772      - seaice_ocean_stress: split a loop for better vectorization of the
773        adjoint code
774      - seaice_growth.F: fix bug in conservation of freshwater connected to
775        capping of heff, put contribution into d_HEFFbyNEG
776      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
777        by something more sensible (parameters that are what their name implies)
778      - change some defaults, so that by default exf-parameters are used for
779        things like rhoAir, cpAir,latent/sensible heat parameters, in order
780        to reproduce the old results, many data.seaice now contain funny values
781        for cpAir and latent heat of sublimation
782    o packages_readparms.F: move exf_readparms up in line so that
783        exf-parameters are visible for other packages (e.g. seaice)
784    o debugMode & debugLevel=2:
785      - differentiate between debugMode & debugLevel=2:
786        debugMode: controls printing of debug messages (sequence of S/R calls).
787        debugLevel: controls printing of algorithm intermediate results and stats.
788      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
789        => allows to print debug-stats without all sequence of call messages.
790      - switch control of debug print from debugLevel to debugMode in many S/R.
791    o pkg/obcs (obcs-sponge):
792        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
793        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
794    o pkg/generic_advdiff:
795      - record overlap minimum size for each advection scheme;
796      - refine criteria on overlap minimum size;
797      - check and stop (in gad_check) if overlap size is too small.
798    o pkg/obcs:
799      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
800        once, in ptracers_implicit.F)
801      - with seaice: remove test on empty file name in obcs_apply_seaice (always
802        apply OB values when tile has OB)
803    o model/src, coriolis setting:
804      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
805        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
806        files (selectCoriMap=3) with any grid.
807      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
808    o pkg/seaice/seaice_growth.F:
809        a few cosmetic changes that reduce the number of lines of code
810    o pkg/obcs: add boundary conditions following Stevens (1990)
811      - the code follows old MOM/NAOSIM code
812      - so far it is only implemented for the eastern and western boundaries
813        and NOT for pTracers
814    o pkg/rbcs:
815      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
816        beginning of the first rbcs forcing period.
817      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
818        offline package, i.e., one file per time, labeled by iteration number;
819        deltaTrbcs sets the timestep with which the data was generated;
820        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
821      - rbcsForcingCycle=0 makes forcing non-cyclic.
822      - make arithmetic safe for negative times and odd forcing periods.
823    
824    checkpoint62n (2010/11/09)
825    o pkg/seaice:
826        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
827    o pkg/obcs:
828       New S/R to copy tracer value from the OB location to narrow band region
829        (width = same as overlap) beyond the OB: preserve OB value (needed for
830        high-order scheme) which were overwritten by EXCH call if in overlap
831        region. Applied to theta, salt, ptracer and advected seaice variables.
832       With seaice: use maskInC in similar way as in gad_advection.F,
833        in seaice_advection.F and advect.F.
834       Update output of experiment seaice_obcs and change exp4 to test OBCS with
835        4th order Adv.Scheme. for pasive salt and ptracer.
836    o tools/genmake2:
837      - when looking for an optfile (not specified), only search for Fortran compiler
838        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
839      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
840        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
841      - set default for CPP to "cpp -traditional -P" (was the case without specifying
842        an optfile, but otherwise default was just "cpp".
843      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
844      - when "CC" is not set in the optfile, look for possible C compiler
845        (instead of just setting CC=cc)
846      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
847        => add a ".F" to ".o" rule for source files with no "#include" (such as
848           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
849      - move gfortran before g77 in list of possible Fortran compiler (consistent
850        with reference compiler switch from g77 to gfortran)
851    o pkg/seaice:
852      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
853        seaice_check that stops the model, when the CPP flag is used.
854      o seaice_growth.F: make capping of ice volume conserving by returning the
855        capped ice as freshwater to EmPmR. This does not change the verification
856        experiments but will change runs where the capping is acutally active
857    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
858      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
859         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
860         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
861    o tools/genmake2:
862      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
863      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
864      - clean previous genmake log files before anything else.
865      - change Makefile to remove testreport log files (*.tr_log) and genmake log
866        files only with "CLEAN" target (instead of "Clean");
867    o pkg/generic_advdiff:
868      Change OBCS in multiDim advection (gad_advection.F):
869       Use maskInC to prevent intermediate update of tracer-field in OB regions,
870       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
871       which were applying future time-step OB values.
872      This way, all explicit calculations use current-time-step OB values
873       (simpler and more consistent).
874      Affects results when set-up uses time-varying OBC and multi-dim advection;
875       update output of experiment seaice_obcs.
876    o pkg/seaice:
877      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
878       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
879         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
880      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
881       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
882       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
883    o pkg aim (2010/10/26):
884      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
885        formulation with obliquity, eccentricity, ... as run-time parameters,
886      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
887        upward shortwave radition at the surface (all-sky and clear-sky).
888    o pkg/obcs:
889      - writing sections with globalFiles=T does not work: switch to tiled-files
890        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
891      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
892      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
893    
894    checkpoint62m (2010/10/21)
895    o pkg/seaice: vectorize seaice_solve4temp.F
896      - move iterations loops outside of i/j-loops
897      - requires 2D arrays for TB and effConduct
898      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
899        modified in this routine
900      - a little bit of clean up, adjusting indentation, etc.
901      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
902        performance and '**TWO' by '**2' (because TWO is a float),
903        replaced ONE, ZERO
904  o eesupp/src:  o eesupp/src:
905     fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube     fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
906  o pkg/seaice/seaice_growth.F  o pkg/seaice/seaice_growth.F
# Line 39  o pkg/thsice: Line 936  o pkg/thsice:
936      experiments that have this flag undefined (not tested in verification);      experiments that have this flag undefined (not tested in verification);
937      a little reorganization to save a few 2D fields and recomputations      a little reorganization to save a few 2D fields and recomputations
938    - 1st step of revisiting thsice adjoint (major recomp. sorted out)    - 1st step of revisiting thsice adjoint (major recomp. sorted out)
939      - 2nd step:  fix some store dirs
940        o seems to work somewhat, i.e. using ifort but not g77
941        o likely cause are incomplete init. or recomputation
942        o start verification/global_ocean.cs32x15/input_ad.thsice
943  o pkg/obcs: add support for exch2  o pkg/obcs: add support for exch2
944    - the position of the boundary and prescribed values are specified using    - the position of the boundary and prescribed values are specified using
945      a global domain with exch2 facets stacked      a global domain with exch2 facets stacked
# Line 400  o tools/build_options: Line 1301  o tools/build_options:
1301      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
1302  o pkg/ecco  o pkg/ecco
1303    - allow user defined cost function contributions    - allow user defined cost function contributions
1304          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
1305          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
1306    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
1307        the two options are complementary.        the two options are complementary.
1308  o pkg/smooth  o pkg/smooth

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