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revision 1.1445 by gforget, Fri May 27 23:28:39 2011 UTC revision 1.1454 by jmc, Tue Jun 14 16:52:22 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      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
9      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
10        (was _RL, now integer) with option = 0 to retrieve all levels.
11      - add pieces of code to compute velocity potential at each level (new diagnostics
12        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
13        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
14    o model/src (rStar):
15      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
16        affect solution only if z* with full pressure in EOS;
17        update output of test-exp global_ocean.90x40x15.
18    o pkg/seaice:
19      - introduce siEps=1e-5 parameter
20      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
21      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
22      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
23        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
24        as well as ice cover age and ridging index (attached to AREA).
25        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
26        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
27        Up to SItrMaxNum=3 tracers can be used simultaneously.
28    o pkg/salt_plume:
29      -introduce SPsalFRAC run time parameter that sets the fraction of the
30       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
31       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
32    o model debug options:
33      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
34        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
35      - Refine debug-msg printing selection (3 new levels):
36        debugMode  : controls printing of debug messages (sequence of S/R calls).
37        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
38         debLevZero =  0 ; /* level of disabled aux. msg printing */
39         debLevA =  1 ; /* level of minimum  aux. msg printing */
40         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
41         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
42         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
43         debLevE =  5 ; /* level of extensive debug printing */
44        New debugLevel default: with default debugMode value (=F),
45          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
46          and if debugMode=T, default debugLevel = 4 (debLevD).
47        Relation with previous settings:
48         debLevB (=2) corresponds to former debLevA (=1)
49         debLevD (=4) corresponds to former debLevB (=2)
50        Note:
51         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
52         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
53            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
54      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
55        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
56    o pkg/obcs:
57      - change OBCSfixTopo default from True to False (should not change the results);
58        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
59    o pkg/thsice:
60      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
61        2nd layer seaice sublimation (unlikely to happen)
62      - use Interior mask for OBCS in thsice_advection.F (similar to what is
63        done in gad_advection & seaice_advection).
64    o adjoint:
65      bug fix spotted by Gael Forget:
66      seaice_advection and thsice_advection still had
67      legacy CPP options to avoid CS corner updates for adjoint
68    o pkg/seaice:
69      => Change some of the defaults (2011/05/29):
70         - change SEAICEuseFluxForm default (from False to True)
71         - change DIFF1 default (from 0.004 m/s to 0. m/s)
72         And print warnings if DIFF1 is not set in data.seaice and centered
73          avection scheme is used without any diffusion.
74      also:
75      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
76      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
77      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
78        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
79        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
80      update results of test exp.:
81         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
82             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
83             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
84         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
85         seaice_obcs: output (SEAICEuseFluxForm=T)
86      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
87          for standard fwd & AD lab_sea tests (to keep the same output).
88  o pkg/seaice/seaice_growth.F:  o pkg/seaice/seaice_growth.F:
89    - use Ian Fenty's capping formulas for actual ice    - use Ian Fenty's capping formulas for actual ice
90    thickness thoughout EVOLUTION branch.    thickness thoughout EVOLUTION branch.
91    - put treatment pathological case #2) in CPP brackets    - put treatment pathological case #2) in CPP brackets
92    (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).    (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
93    - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
94  o pkg/seaice:  o pkg/seaice:
95    - seaice_diffusion.F : remove the min(DX,DY) factor permanently;    - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
96    pass the Laplacian diffusivity (in m/s2) diffKh as a parameter;    pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
97    also pass fac as a param, which can be 1. (to update the tendency    also pass fac as a param, which can be 1. (to update the tendency
98    field) or the time step (to update the field itself).    field) or the time step (to update the field itself).
99    - seaice_advdiff.F: for multidim, call seaice_diffusion with    - seaice_advdiff.F: for multidim, call seaice_diffusion with
100    e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call    e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
101    seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.    seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
102    - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :    - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
103    hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.    hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
   - note: if any of SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.  
   is specified to be >0, then DIFF1 is set to 0.  
104  o pkg/seaice:  o pkg/seaice:
105    diffusion with centered advection scheme (diffus.F & advect.F):    diffusion with centered advection scheme (diffus.F & advect.F):
106    - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)    - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
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