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revision 1.1424 by mlosch, Thu May 5 09:24:44 2011 UTC revision 1.1467 by jmc, Tue Jun 28 20:49:13 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:  o verification lab_sea & global_ocean.cs32x15:
8     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
9       does not miss some dependencies (but is slower) and also works with many files
10       (default makedepend limitation for AD built).
11     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
12    o pkg/diagnostics:
13     - add run-time parameter "useMissingValue" (def=False) to fill land-point
14        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
15       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
16     - Extend the use of "missing_value" setting from data.diagnostics for the case
17       of counter-diagnostics (where fraction-weight is zero). This applies both to
18       MNC and MDS output files.
19    o pkg/seaice/seaice_growth.F:
20      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
21       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
22      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
23       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
24      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
25      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
26    o verification 1D_ocean_ice_column:
27       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
28       update results
29    o pkg/diagnostics:
30     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
31       which are not filled-up but computed from other diags ; In this case, the mate
32       diag points to the primary (filled-up) diag to used for post processing.
33     - Update Velocity-potential computation using post-processed diag framework.
34     ==> Change the ordering of fields and time-periods in MDS output file
35       when using periodic averaging: now writes one time record with the full set
36       of fields for this time period, then the next time reccord (it used to be
37       one field with the full set of time records then the next field).
38         Note: this is now similar to NetCDF (MNC) output file. <==
39    
40    checkpoint62z (2011/06/21)
41    o adjoint monitor:
42     - Add adjoint monitor output for packages exf, seaice
43       and update relevant testreport output
44    o pkg/seaice:
45     - re-order diags inits so that they appear in order in available_diagnostics.log
46     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
47       area/heff/hsnow preceeding thermodynamic growth/melt.
48     - modified diag: SIdA; output actual effect, as the description states.
49     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
50     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
51       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
52        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
53     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
54     - added diagnostics for seaice generic tracers (SItr*).
55     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
56     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
57     I. Fenty: 18-Jun-2011:
58     Minor changes to seaice package:
59     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
60        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
61       - Differentiated "regularization variables" from "floor variables"
62        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
63        * hiceMin became SEAICE_hice_reg (old hiceMin)
64          (with _reg meaning regularization variable)
65       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
66        so as to ensure energy conservation when going between phases
67      - A22 was not used anywhere
68     2) Changed regularization procedure for heffActual and hsnowActual to ensure
69        well-boundedness and smooth adjoint in seaice_growth.F
70     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
71        because the old regularization always set heffActual >= 0.05 cm
72     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
73        on AREA when HEFF > 0.
74      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
75        requiring that DISABLE_AREA_FLOOR *not* be defined
76     Affected verifications:
77      - 1D_ocean_ice_column (output.txt output_adm.txt)
78      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
79    o pkg/diagnostics:
80      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
81      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
82        (was _RL, now integer) with option = 0 to retrieve all levels.
83      - add pieces of code to compute velocity potential at each level (new diagnostics
84        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
85        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
86      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
87        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
88        and in diagnostics_fract_fill.F (do not need a valid pointer for the
89        diagnostics counter-mate); check that definition of counter-diagnostic
90        includes a valid counter-mate (in diagnostics_set_levels.F).
91    o model/src (rStar):
92      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
93        affect solution only if z* with full pressure in EOS;
94        update output of test-exp global_ocean.90x40x15.
95    o pkg/seaice:
96      - introduce siEps=1e-5 parameter
97      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
98      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
99      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
100        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
101        as well as ice cover age and ridging index (attached to AREA).
102        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
103        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
104        Up to SItrMaxNum=3 tracers can be used simultaneously.
105    o pkg/salt_plume:
106      -introduce SPsalFRAC run time parameter that sets the fraction of the
107       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
108       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
109    o model debug options:
110      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
111        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
112      - Refine debug-msg printing selection (3 new levels):
113        debugMode  : controls printing of debug messages (sequence of S/R calls).
114        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
115         debLevZero =  0 ; /* level of disabled aux. msg printing */
116         debLevA =  1 ; /* level of minimum  aux. msg printing */
117         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
118         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
119         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
120         debLevE =  5 ; /* level of extensive debug printing */
121        New debugLevel default: with default debugMode value (=F),
122          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
123          and if debugMode=T, default debugLevel = 4 (debLevD).
124        Relation with previous settings:
125         debLevB (=2) corresponds to former debLevA (=1)
126         debLevD (=4) corresponds to former debLevB (=2)
127        Note:
128         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
129         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
130            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
131      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
132        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
133    o pkg/obcs:
134      - change OBCSfixTopo default from True to False (should not change the results);
135        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
136    o pkg/thsice:
137      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
138        2nd layer seaice sublimation (unlikely to happen)
139      - use Interior mask for OBCS in thsice_advection.F (similar to what is
140        done in gad_advection & seaice_advection).
141    o adjoint:
142      bug fix spotted by Gael Forget:
143      seaice_advection and thsice_advection still had
144      legacy CPP options to avoid CS corner updates for adjoint
145    o pkg/seaice:
146      => Change some of the defaults (2011/05/29):
147         - change SEAICEuseFluxForm default (from False to True)
148         - change DIFF1 default (from 0.004 m/s to 0. m/s)
149         And print warnings if DIFF1 is not set in data.seaice and centered
150          avection scheme is used without any diffusion.
151      also:
152      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
153      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
154      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
155        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
156        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
157      update results of test exp.:
158         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
159             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
160             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
161         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
162         seaice_obcs: output (SEAICEuseFluxForm=T)
163      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
164          for standard fwd & AD lab_sea tests (to keep the same output).
165    o pkg/seaice/seaice_growth.F:
166      - use Ian Fenty's capping formulas for actual ice
167      thickness thoughout EVOLUTION branch.
168      - put treatment pathological case #2) in CPP brackets
169      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
170      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
171    o pkg/seaice:
172      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
173      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
174      also pass fac as a param, which can be 1. (to update the tendency
175      field) or the time step (to update the field itself).
176      - seaice_advdiff.F: for multidim, call seaice_diffusion with
177      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
178      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
179      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
180      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
181    o pkg/seaice:
182      diffusion with centered advection scheme (diffus.F & advect.F):
183      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
184        to just compute the laplacian of input-field.
185      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
186      - fix flux-form version in diffus.F to conserve tracer.
187      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
188       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
189    
190    checkpoint62y (2011/05/26)
191    o pkg/seaice:
192     - seaice_growth.F : in EVOLUTION branch, always include
193       a_QSWbyATM_cover in qnet (as it should be).
194     - verification/global_ocean.cs32x15 : update results accordingly
195       (output.seaice.txt output_adm.seaice.txt).
196    o pkg/seaice + obcs:
197     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
198       equivalent of assuming no tracer gradient outside the OB region.
199       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
200     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
201       after changes above);
202     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
203       only at OB location (instead of over a band of OLx width).
204    o pkg/seaice:
205     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
206       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
207    o pkg/obcs:
208      - split header file "OBCS.h" into 4 separated files:
209        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
210       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
211         (contain no conditional statement which depends on OBCS options).
212      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
213        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
214    o ctrl, cost, grdchk & autodiff pkgs:
215      - make options file more standard (like other {PKG}_OPTIONS.h file but
216        with AD_CONFIG.h); clean-up some of the included header files.
217    o pkg/obcs:
218      - do not mask tracer when applying OB (tracer == 0 could generate problems)
219      - apply tracer OB values to tracer field only at OB location (instead of
220        over a band of OLx width)
221      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
222      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
223        obcs_apply_tloc.F & obcs_apply_sloc.F
224    o obcs in model/src:
225      - call OBCS_APPLY_W only if NonHydrostatic.
226      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
227      - reset dEtaHdt and wVel to zero outside OB interior region ;
228      - leave tracer unchanged outside OB interior region: This has no effect
229        on the solution but just to prevent unrealistic tracer value outside OB.
230      - zero out velocity outside OB interior region: This has no effect on
231        the solution but just to prevent unrealistic velocity outside OB.
232    o obcs and non-lin free-surf:
233       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
234       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
235       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
236       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
237       update results of test-exp. exp4(nlfs).
238    o exp4 (nlfs) test-exp:
239       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
240       with NonLin-FreeSurf); update output.nlfs.txt
241    o obcs and 2d/3d solver norm:
242       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
243       and outside OB interior region (will allow to place OB further inside the
244       domain). Depending on the domain, can affects cg2d-Norm (previous
245       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
246       and cg3d-Norm (previous Norm was computed before canceling OB terms),
247       e.g. in tutorial_plume_on_slope.
248      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
249    o pkg rbcs:
250      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
251      - add capability to apply relaxation to horizontal velocity uVel & vVel.
252    o pkg/grdchk: add gradient check for control variable xx_shifwflx
253    o pkg/shelfice/shelfice_init_fixed.F
254      fix CPP-flag combinations
255    o pkg/seaice: Merge iceage code of Pierre Rampal
256      * update/change/correct ice age calculations
257      * add age updates for pathological cases
258      Probably needs more testing...
259    
260    checkpoint62x (2011/05/13)
261    o pkg/mom_vecinv:
262       high-order vorticity scheme: use interior masks (maskInW & S)
263       to zero-out (outside OB) gradient of vorticity.
264    o verification exp.:
265       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
266       hs94.128x64x5 and seaice_obcs ; update results.
267    o pkg/obcs:
268      fix bug in OBeta for YZ sections in obcs_exf_load.F
269    o pkg/ctrl, pkg/shelfice, and optim:
270      - add new control variable xx_shifwflx (fresh water flux underneath ice
271        shelves). This is almost as tedious as obcs-ctrl, because the
272        variables needs its own mask.
273      - add a cost function term that penalizes the deviation of xx_shifwflx
274        from the first guess (zero) in analogy to other control variables
275    o pkg/shelfice:
276      - start basic adjoint
277    o pkg/ctrl:
278      - remove extra 2D field "for good measure" when initializing in
279        ctrl_set_globfld_[xy/xz/yz].F
280    - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec    - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
281    - improve error messages in ctrl_set_unpack_*    - improve error messages in ctrl_set_unpack_*
282  o OBC implementation in momentum:  o OBC implementation in momentum:

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