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revision 1.1554 by mlosch, Mon Dec 19 16:33:53 2011 UTC revision 1.1555 by mlosch, Tue Dec 20 10:06:51 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/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for
8       within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.
9       this factor is absolutely required, because the lw exitance (= out-going
10       long wave radiation) is emissivity*stefanBoltzmann*T^4 + rho*lwdown,
11       where the reflectivity rho = 1-emissivity for conservation reasons. Once
12       this is established, we can remove the CPP-Flag (if we want to).
13  o pkg/seaice:  o pkg/seaice:
14    - sort out emissivity and long wave radiation, step 1: make SEAICE_emissivity    - sort out emissivity and long wave radiation, step 1: make SEAICE_emissivity
15      what the name implies (and not emissivity*BoltzmannConstant), this means      what the name implies (and not emissivity*BoltzmannConstant), this means
# Line 11  o pkg/seaice: Line 17  o pkg/seaice:
17      5.5e-8/5.670e-8 = 0.97001763668430343479 as ocean_emissivity in      5.5e-8/5.670e-8 = 0.97001763668430343479 as ocean_emissivity in
18      S/R exf_readparms      S/R exf_readparms
19    - FV-discretization of the B-grid LSOR solver, turn on with    - FV-discretization of the B-grid LSOR solver, turn on with
20    SEAICE_LSRBNEW. This new solver also involves a slight re-organization      SEAICE_LSRBNEW. This new solver also involves a slight re-organization
21    of the calling routine dynsolver, so that B and C-grid code look a      of the calling routine dynsolver, so that B and C-grid code look a
22    little more alike.      little more alike.
23  o pkg/seaice/seaice_ocean_budget.F: change (unused) code to make it look better  o pkg/seaice/seaice_ocean_budget.F: change (unused) code to make it look better
24  o pkg/seaice/seaice_readparms.F: make ocean_emissivity*stefanBoltzmann the  o pkg/seaice/seaice_readparms.F: make ocean_emissivity*stefanBoltzmann the
25    default for SEAICE_emissivity, if useEXF; requires setting a wrong    default for SEAICE_emissivity, if useEXF; requires setting a wrong
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