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revision 1.1445 by gforget, Fri May 27 23:28:39 2011 UTC revision 1.1446 by jmc, Sun May 29 23:50:06 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/seaice:
8      => Change some of the defaults (2011/05/29):
9         - change SEAICEuseFluxForm default (from False to True)
10         - change DIFF1 default (from 0.004 m/s to 0. m/s)
11         And print warnings if DIFF1 is not set in data.seaice and centered
12          avection scheme is used without any diffusion.
13      also:
14      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
15      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
16      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
17        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
18        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
19      update results of test exp.:
20         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
21             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
22             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
23         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
24         seaice_obcs: output (SEAICEuseFluxForm=T)
25      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
26          for standard fwd & AD lab_sea tests (to keep the same output).
27  o pkg/seaice/seaice_growth.F:  o pkg/seaice/seaice_growth.F:
28    - use Ian Fenty's capping formulas for actual ice    - use Ian Fenty's capping formulas for actual ice
29    thickness thoughout EVOLUTION branch.    thickness thoughout EVOLUTION branch.
30    - put treatment pathological case #2) in CPP brackets    - put treatment pathological case #2) in CPP brackets
31    (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).    (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
32    - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
33  o pkg/seaice:  o pkg/seaice:
34    - seaice_diffusion.F : remove the min(DX,DY) factor permanently;    - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
35    pass the Laplacian diffusivity (in m/s2) diffKh as a parameter;    pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
36    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
37    field) or the time step (to update the field itself).    field) or the time step (to update the field itself).
38    - seaice_advdiff.F: for multidim, call seaice_diffusion with    - seaice_advdiff.F: for multidim, call seaice_diffusion with
39    e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call    e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
40    seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.    seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
41    - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :    - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
42    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.  
43  o pkg/seaice:  o pkg/seaice:
44    diffusion with centered advection scheme (diffus.F & advect.F):    diffusion with centered advection scheme (diffus.F & advect.F):
45    - 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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