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revision 1.1442 by gforget, Wed May 25 23:56:29 2011 UTC revision 1.1447 by heimbach, Wed Jun 1 22:41:34 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 adjoint:
8      bug fix spotted by Gael Forget:
9      seaice_advection and thsice_advection still had
10      legacy CPP options to avoid CS corner updates for adjoint
11  o pkg/seaice:  o pkg/seaice:
12   - seaice_growth.F : in EVOLUTION branch, always include    => Change some of the defaults (2011/05/29):
13         - change SEAICEuseFluxForm default (from False to True)
14         - change DIFF1 default (from 0.004 m/s to 0. m/s)
15         And print warnings if DIFF1 is not set in data.seaice and centered
16          avection scheme is used without any diffusion.
17      also:
18      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
19      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
20      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
21        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
22        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
23      update results of test exp.:
24         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
25             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
26             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
27         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
28         seaice_obcs: output (SEAICEuseFluxForm=T)
29      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
30          for standard fwd & AD lab_sea tests (to keep the same output).
31    o pkg/seaice/seaice_growth.F:
32      - use Ian Fenty's capping formulas for actual ice
33      thickness thoughout EVOLUTION branch.
34      - put treatment pathological case #2) in CPP brackets
35      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
36      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
37    o pkg/seaice:
38      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
39      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
40      also pass fac as a param, which can be 1. (to update the tendency
41      field) or the time step (to update the field itself).
42      - seaice_advdiff.F: for multidim, call seaice_diffusion with
43      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
44      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
45      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
46      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
47    o pkg/seaice:
48      diffusion with centered advection scheme (diffus.F & advect.F):
49      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
50        to just compute the laplacian of input-field.
51      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
52      - fix flux-form version in diffus.F to conserve tracer.
53      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
54       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
55    
56    checkpoint62y (2011/05/26)
57    o pkg/seaice:
58     - seaice_growth.F : in EVOLUTION branch, always include
59     a_QSWbyATM_cover in qnet (as it should be).     a_QSWbyATM_cover in qnet (as it should be).
60   - verification/global_ocean.cs32x15 : update results accordingly   - verification/global_ocean.cs32x15 : update results accordingly
61     (output.seaice.txt output_adm.seaice.txt).     (output.seaice.txt output_adm.seaice.txt).
62  o pkg/seaice + obcs:  o pkg/seaice + obcs:
63   - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:   - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
64     equivalent of assuming no tracer gradient outside the OB region.     equivalent of assuming no tracer gradient outside the OB region.
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