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revision 1.1435 by jmc, Wed May 18 02:21:49 2011 UTC revision 1.1462 by jmc, Wed Jun 22 19:17:36 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/diagnostics:
8     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
9       which are not filled-up but computed from other diags ; In this case, the mate
10       diag points to the primary (filled-up) diag to used for post processing.
11     - Update Velocity-potential computation using post-processed diag framework.
12     Change the ordering of fields and time-periods in MDS output file
13       when using periodic averaging: now writes one time record with the full set
14       of fields for this time period, then the next time reccord (it used to be
15       one field with the full set of time records then the next field).
16       Note: this is now similar to NetCDF (MNC) output file.
17    
18    checkpoint62z (2011/06/21)
19    o adjoint monitor:
20     - Add adjoint monitor output for packages exf, seaice
21       and update relevant testreport output
22    o pkg/seaice:
23     - re-order diags inits so that they appear in order in available_diagnostics.log
24     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
25       area/heff/hsnow preceeding thermodynamic growth/melt.
26     - modified diag: SIdA; output actual effect, as the description states.
27     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
28     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
29       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
30        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
31     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
32     - added diagnostics for seaice generic tracers (SItr*).
33     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
34     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
35     I. Fenty: 18-Jun-2011:
36     Minor changes to seaice package:
37     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
38        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
39       - Differentiated "regularization variables" from "floor variables"
40        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
41        * hiceMin became SEAICE_hice_reg (old hiceMin)
42          (with _reg meaning regularization variable)
43       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
44        so as to ensure energy conservation when going between phases
45      - A22 was not used anywhere
46     2) Changed regularization procedure for heffActual and hsnowActual to ensure
47        well-boundedness and smooth adjoint in seaice_growth.F
48     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
49        because the old regularization always set heffActual >= 0.05 cm
50     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
51        on AREA when HEFF > 0.
52      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
53        requiring that DISABLE_AREA_FLOOR *not* be defined
54     Affected verifications:
55      - 1D_ocean_ice_column (output.txt output_adm.txt)
56      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
57    o pkg/diagnostics:
58      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
59      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
60        (was _RL, now integer) with option = 0 to retrieve all levels.
61      - add pieces of code to compute velocity potential at each level (new diagnostics
62        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
63        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
64      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
65        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
66        and in diagnostics_fract_fill.F (do not need a valid pointer for the
67        diagnostics counter-mate); check that definition of counter-diagnostic
68        includes a valid counter-mate (in diagnostics_set_levels.F).
69    o model/src (rStar):
70      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
71        affect solution only if z* with full pressure in EOS;
72        update output of test-exp global_ocean.90x40x15.
73    o pkg/seaice:
74      - introduce siEps=1e-5 parameter
75      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
76      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
77      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
78        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
79        as well as ice cover age and ridging index (attached to AREA).
80        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
81        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
82        Up to SItrMaxNum=3 tracers can be used simultaneously.
83    o pkg/salt_plume:
84      -introduce SPsalFRAC run time parameter that sets the fraction of the
85       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
86       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
87    o model debug options:
88      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
89        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
90      - Refine debug-msg printing selection (3 new levels):
91        debugMode  : controls printing of debug messages (sequence of S/R calls).
92        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
93         debLevZero =  0 ; /* level of disabled aux. msg printing */
94         debLevA =  1 ; /* level of minimum  aux. msg printing */
95         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
96         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
97         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
98         debLevE =  5 ; /* level of extensive debug printing */
99        New debugLevel default: with default debugMode value (=F),
100          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
101          and if debugMode=T, default debugLevel = 4 (debLevD).
102        Relation with previous settings:
103         debLevB (=2) corresponds to former debLevA (=1)
104         debLevD (=4) corresponds to former debLevB (=2)
105        Note:
106         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
107         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
108            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
109      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
110        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
111    o pkg/obcs:
112      - change OBCSfixTopo default from True to False (should not change the results);
113        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
114    o pkg/thsice:
115      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
116        2nd layer seaice sublimation (unlikely to happen)
117      - use Interior mask for OBCS in thsice_advection.F (similar to what is
118        done in gad_advection & seaice_advection).
119    o adjoint:
120      bug fix spotted by Gael Forget:
121      seaice_advection and thsice_advection still had
122      legacy CPP options to avoid CS corner updates for adjoint
123    o pkg/seaice:
124      => Change some of the defaults (2011/05/29):
125         - change SEAICEuseFluxForm default (from False to True)
126         - change DIFF1 default (from 0.004 m/s to 0. m/s)
127         And print warnings if DIFF1 is not set in data.seaice and centered
128          avection scheme is used without any diffusion.
129      also:
130      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
131      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
132      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
133        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
134        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
135      update results of test exp.:
136         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
137             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
138             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
139         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
140         seaice_obcs: output (SEAICEuseFluxForm=T)
141      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
142          for standard fwd & AD lab_sea tests (to keep the same output).
143    o pkg/seaice/seaice_growth.F:
144      - use Ian Fenty's capping formulas for actual ice
145      thickness thoughout EVOLUTION branch.
146      - put treatment pathological case #2) in CPP brackets
147      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
148      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
149    o pkg/seaice:
150      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
151      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
152      also pass fac as a param, which can be 1. (to update the tendency
153      field) or the time step (to update the field itself).
154      - seaice_advdiff.F: for multidim, call seaice_diffusion with
155      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
156      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
157      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
158      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
159    o pkg/seaice:
160      diffusion with centered advection scheme (diffus.F & advect.F):
161      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
162        to just compute the laplacian of input-field.
163      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
164      - fix flux-form version in diffus.F to conserve tracer.
165      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
166       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
167    
168    checkpoint62y (2011/05/26)
169    o pkg/seaice:
170     - seaice_growth.F : in EVOLUTION branch, always include
171       a_QSWbyATM_cover in qnet (as it should be).
172     - verification/global_ocean.cs32x15 : update results accordingly
173       (output.seaice.txt output_adm.seaice.txt).
174    o pkg/seaice + obcs:
175     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
176       equivalent of assuming no tracer gradient outside the OB region.
177       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
178     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
179       after changes above);
180     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
181       only at OB location (instead of over a band of OLx width).
182    o pkg/seaice:
183     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
184       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
185    o pkg/obcs:
186      - split header file "OBCS.h" into 4 separated files:
187        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
188       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
189         (contain no conditional statement which depends on OBCS options).
190      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
191        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
192    o ctrl, cost, grdchk & autodiff pkgs:
193      - make options file more standard (like other {PKG}_OPTIONS.h file but
194        with AD_CONFIG.h); clean-up some of the included header files.
195    o pkg/obcs:
196      - do not mask tracer when applying OB (tracer == 0 could generate problems)
197      - apply tracer OB values to tracer field only at OB location (instead of
198        over a band of OLx width)
199      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
200      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
201        obcs_apply_tloc.F & obcs_apply_sloc.F
202    o obcs in model/src:
203      - call OBCS_APPLY_W only if NonHydrostatic.
204      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
205      - reset dEtaHdt and wVel to zero outside OB interior region ;
206      - leave tracer unchanged outside OB interior region: This has no effect
207        on the solution but just to prevent unrealistic tracer value outside OB.
208      - zero out velocity outside OB interior region: This has no effect on
209        the solution but just to prevent unrealistic velocity outside OB.
210    o obcs and non-lin free-surf:
211       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
212       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
213       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
214       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
215       update results of test-exp. exp4(nlfs).
216    o exp4 (nlfs) test-exp:
217       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
218       with NonLin-FreeSurf); update output.nlfs.txt
219  o obcs and 2d/3d solver norm:  o obcs and 2d/3d solver norm:
220     use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB     use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
221     and outside OB interior region (will allow to place OB further inside the     and outside OB interior region (will allow to place OB further inside the
222     domain). Depending on the domain, can affects cg2d-Norm (previous     domain). Depending on the domain, can affects cg2d-Norm (previous
223     cancelation outside OB was only partial), e.g. in exp4 & obcs_ctrl,     cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
224     and cg3d-Norm (previous Norm was computed before canceling OB terms),     and cg3d-Norm (previous Norm was computed before canceling OB terms),
225     e.g. in tutorial_plume_on_slope.     e.g. in tutorial_plume_on_slope.
226    - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.    - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
# Line 20  o pkg/shelfice/shelfice_init_fixed.F Line 232  o pkg/shelfice/shelfice_init_fixed.F
232    fix CPP-flag combinations    fix CPP-flag combinations
233  o pkg/seaice: Merge iceage code of Pierre Rampal  o pkg/seaice: Merge iceage code of Pierre Rampal
234    * update/change/correct ice age calculations    * update/change/correct ice age calculations
235    * add age updates for pathological cases    * add age updates for pathological cases
236    Probably needs more testing...    Probably needs more testing...
237    
238  checkpoint62x (2011/05/13)  checkpoint62x (2011/05/13)

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