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revision 1.1440 by jmc, Wed May 25 00:51:04 2011 UTC revision 1.1489 by dimitri, Sun Aug 7 07:08:14 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 adding package bbl (Bottom Boundary Layer)
8      description in MITgcm/pkg/bbl/bbl_description.tex
9      example/test experiment in MITgcm_contrib/bbl
10    
11    o adjoint verifications
12      - changed 5 experiments to multi-threaded
13        * global_ocean.90x40x15
14        * obcs_ctrl
15        * offline_exf_seaice
16        * tutorial_dic_adjoffline
17        * tutorial_tracer_adjsens
18        changed reference output for those that crossed tile boundaries
19        (changed choices of gradient check positions)
20      - temporary bug fix in grdchk_loc.F for obcs
21    
22    o genmake2 & testreport
23      - add target "obj" (just for OBJFILES files) to Makefile;
24      - add option to specify FEXTRAFLAGS on command line.
25    o pkg/mypackage:
26      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
27    
28    checkpoint63a (2011/08/02)
29    o pkg/diagnostics (velocity potential):
30      - fix velocity-potential calculation when using OBCS: balance net inflow
31        at each level (new S/R OBCS_DIAG_BALANCE).
32      - fix some of the problems with OBCS in stream-function calculation.
33    o pkg/exf/exf_readparms.F
34      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
35        EXF_NML_OBCS) more consistent, so that you need not have these lists
36        in data.exf when they are not used.
37    o optim/optim_readdata.F:
38      - add some output about obcs variables that might help debugging
39      - add a check about nvarlength
40    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
41    o pkg/diagnostics (velocity potential):
42      - fix mask for OBCS (still problems in stream-function with OBCS);
43      - add specific parameter (default = main code CG2D params) for solver;
44      - in case of poor convergence, use solution corresponding to lowest residual.
45    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
46      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
47      and should be avoided where possible.
48    o model/src (rStar):
49      - include r* effect on reference-state (PhiRef) in totPhiHyd
50        (so that it's really the potential anomaly at the cell center);
51        affect solution only if z* with full pressure in EOS.
52      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
53        update output (because of z* in totPhiHyd and viscA4 changes);
54      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
55        @ constant r) until interpolation at constant r is implemented.
56    o pkg/diagnostics
57      - fix RCENTER diagnostics in case cell center is not at interface middle
58    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
59      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
60      that THETA and SALT are "conservative temperature" and "absolute
61      salinity"
62    o pkg/ctrl
63      - fix computation of endrec in s/r ctrl_init_rec
64      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
65    o pkg/seaice/seaice_growth.F
66      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
67        remove then obsolete STORE directives
68      - fix STORE directives for tice and tices, so that only the
69        appropriate part of the fields are stored (and not the entire
70        field); update global_ocean.cs32x15.seaice AD output.
71      - cosmetic changes: adjust CPP flags and indentation for better
72        legibilty
73    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
74      Chris Wilson)
75    o pkg/gmredi:
76       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
77       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
78    
79    checkpoint63  (2011/07/11)
80    o pkg/exch2:
81     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
82     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
83       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
84       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
85    o pkg/diagnostics:
86     - deal with pairs of post-processed diags which are computed together; in
87       particular, re-order list of diags within 1 file to save 2nd computation.
88     - add S/R to compute velocity stream-function (called after velocity-potential
89       calculation) from divergence free transport -> new diagnostics "PsiVEL".
90     - add parameter to select grid-point location where PsiVEL == 0.
91    o eesupp/src:
92       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
93       (specific S/R needed with exch2 topology - for now, just print an error msg)
94    o pkg/shelfice
95     - Implement friction velocity-dependent transfer coefficients following
96       Holland and Jenkins, JPO, 1999
97       Original code by M. Losch with small modifs.
98       Enable with CPP option SHI_ALLOW_GAMMAFRICT
99       and runtime flag SHELFICEuseGammaFrict
100    o verification lab_sea & global_ocean.cs32x15:
101     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
102       does not miss some dependencies (but is slower) and also works with many files
103       (default makedepend limitation for AD built).
104     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
105    o pkg/diagnostics:
106     - add run-time parameter "useMissingValue" (def=False) to fill land-point
107        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
108       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
109     - Extend the use of "missing_value" setting from data.diagnostics for the case
110       of counter-diagnostics (where fraction-weight is zero). This applies both to
111       MNC and MDS output files.
112    o pkg/seaice/seaice_growth.F:
113      - add 'a priori' cap of latent heat flux based on actual mass considerations
114        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
115        non-legacy seaice_solve4temp.
116      - add diagnostic of the residual sublimation freshwater flux (the freshwater
117        flux taken from the ocean if the total actual latent heat fluxes exceed
118        the maximum)
119      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
120       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
121      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
122       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
123      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
124      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
125    o verification 1D_ocean_ice_column:
126       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
127       update results
128    o pkg/diagnostics:
129     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
130       which are not filled-up but computed from other diags ; In this case, the mate
131       diag points to the primary (filled-up) diag to used for post processing.
132     - Update Velocity-potential computation using post-processed diag framework.
133     ==> Change the ordering of fields and time-periods in MDS output file
134       when using periodic averaging: now writes one time record with the full set
135       of fields for this time period, then the next time reccord (it used to be
136       one field with the full set of time records then the next field).
137         Note: this is now similar to NetCDF (MNC) output file. <==
138    
139    checkpoint62z (2011/06/21)
140    o adjoint monitor:
141     - Add adjoint monitor output for packages exf, seaice
142       and update relevant testreport output
143    o pkg/seaice:
144     - re-order diags inits so that they appear in order in available_diagnostics.log
145     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
146       area/heff/hsnow preceeding thermodynamic growth/melt.
147     - modified diag: SIdA; output actual effect, as the description states.
148     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
149     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
150       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
151        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
152     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
153     - added diagnostics for seaice generic tracers (SItr*).
154     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
155     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
156     I. Fenty: 18-Jun-2011:
157     Minor changes to seaice package:
158     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
159        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
160       - Differentiated "regularization variables" from "floor variables"
161        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
162        * hiceMin became SEAICE_hice_reg (old hiceMin)
163          (with _reg meaning regularization variable)
164       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
165        so as to ensure energy conservation when going between phases
166      - A22 was not used anywhere
167     2) Changed regularization procedure for heffActual and hsnowActual to ensure
168        well-boundedness and smooth adjoint in seaice_growth.F
169     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
170        because the old regularization always set heffActual >= 0.05 cm
171     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
172        on AREA when HEFF > 0.
173      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
174        requiring that DISABLE_AREA_FLOOR *not* be defined
175     Affected verifications:
176      - 1D_ocean_ice_column (output.txt output_adm.txt)
177      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
178    o pkg/diagnostics:
179      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
180      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
181        (was _RL, now integer) with option = 0 to retrieve all levels.
182      - add pieces of code to compute velocity potential at each level (new diagnostics
183        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
184        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
185      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
186        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
187        and in diagnostics_fract_fill.F (do not need a valid pointer for the
188        diagnostics counter-mate); check that definition of counter-diagnostic
189        includes a valid counter-mate (in diagnostics_set_levels.F).
190    o model/src (rStar):
191      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
192        affect solution only if z* with full pressure in EOS;
193        update output of test-exp global_ocean.90x40x15.
194    o pkg/seaice:
195      - introduce siEps=1e-5 parameter
196      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
197      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
198      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
199        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
200        as well as ice cover age and ridging index (attached to AREA).
201        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
202        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
203        Up to SItrMaxNum=3 tracers can be used simultaneously.
204    o pkg/salt_plume:
205      -introduce SPsalFRAC run time parameter that sets the fraction of the
206       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
207       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
208    o model debug options:
209      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
210        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
211      - Refine debug-msg printing selection (3 new levels):
212        debugMode  : controls printing of debug messages (sequence of S/R calls).
213        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
214         debLevZero =  0 ; /* level of disabled aux. msg printing */
215         debLevA =  1 ; /* level of minimum  aux. msg printing */
216         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
217         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
218         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
219         debLevE =  5 ; /* level of extensive debug printing */
220        New debugLevel default: with default debugMode value (=F),
221          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
222          and if debugMode=T, default debugLevel = 4 (debLevD).
223        Relation with previous settings:
224         debLevB (=2) corresponds to former debLevA (=1)
225         debLevD (=4) corresponds to former debLevB (=2)
226        Note:
227         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
228         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
229            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
230      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
231        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
232    o pkg/obcs:
233      - change OBCSfixTopo default from True to False (should not change the results);
234        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
235    o pkg/thsice:
236      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
237        2nd layer seaice sublimation (unlikely to happen)
238      - use Interior mask for OBCS in thsice_advection.F (similar to what is
239        done in gad_advection & seaice_advection).
240    o adjoint:
241      bug fix spotted by Gael Forget:
242      seaice_advection and thsice_advection still had
243      legacy CPP options to avoid CS corner updates for adjoint
244    o pkg/seaice:
245      => Change some of the defaults (2011/05/29):
246         - change SEAICEuseFluxForm default (from False to True)
247         - change DIFF1 default (from 0.004 m/s to 0. m/s)
248         And print warnings if DIFF1 is not set in data.seaice and centered
249          avection scheme is used without any diffusion.
250      also:
251      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
252      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
253      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
254        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
255        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
256      update results of test exp.:
257         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
258             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
259             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
260         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
261         seaice_obcs: output (SEAICEuseFluxForm=T)
262      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
263          for standard fwd & AD lab_sea tests (to keep the same output).
264    o pkg/seaice/seaice_growth.F:
265      - use Ian Fenty's capping formulas for actual ice
266      thickness thoughout EVOLUTION branch.
267      - put treatment pathological case #2) in CPP brackets
268      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
269      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
270    o pkg/seaice:
271      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
272      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
273      also pass fac as a param, which can be 1. (to update the tendency
274      field) or the time step (to update the field itself).
275      - seaice_advdiff.F: for multidim, call seaice_diffusion with
276      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
277      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
278      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
279      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
280    o pkg/seaice:
281      diffusion with centered advection scheme (diffus.F & advect.F):
282      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
283        to just compute the laplacian of input-field.
284      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
285      - fix flux-form version in diffus.F to conserve tracer.
286      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
287       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
288    
289    checkpoint62y (2011/05/26)
290    o pkg/seaice:
291     - seaice_growth.F : in EVOLUTION branch, always include
292       a_QSWbyATM_cover in qnet (as it should be).
293     - verification/global_ocean.cs32x15 : update results accordingly
294       (output.seaice.txt output_adm.seaice.txt).
295    o pkg/seaice + obcs:
296     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
297       equivalent of assuming no tracer gradient outside the OB region.
298       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
299     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
300       after changes above);
301     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
302       only at OB location (instead of over a band of OLx width).
303    o pkg/seaice:
304     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
305       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
306  o pkg/obcs:  o pkg/obcs:
307    - split header file "OBCS.h" into 4 separated files:    - split header file "OBCS.h" into 4 separated files:
308      OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h      OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h

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