/[MITgcm]/MITgcm/verification/1D_ocean_ice_column/code_ad/SEAICE_OPTIONS.h
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Contents of /MITgcm/verification/1D_ocean_ice_column/code_ad/SEAICE_OPTIONS.h

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Revision 1.10 - (show annotations) (download)
Mon Feb 13 23:26:59 2012 UTC (12 years ago) by gforget
Branch: MAIN
CVS Tags: checkpoint63j
Changes since 1.9: +4 -1 lines
File MIME type: text/plain
- in SEAICE_OPTIONS.h define SEAICE_DISABLE_HEATCONSFIX, until it
  is confirmed by the group that my "fix" is correct, or otherwise.
- document in data.seaice that
#SEAICEturbFluxFormula=3 is equivalent to
#     SEAICEturbFluxFormula = 1,
#     SEAICE_availHeatFrac = 0.314999999999999946709294817992,
#     SEAICE_availHeatFracFrz = 0.,
#     SEAICE_availHeatTaper = 0.92,

1 C $Header: /u/gcmpack/MITgcm/verification/1D_ocean_ice_column/code_ad/SEAICE_OPTIONS.h,v 1.9 2012/02/11 03:48:51 gforget Exp $
2 C $Name: $
3
4 C *==========================================================*
5 C | SEAICE_OPTIONS.h
6 C | o CPP options file for sea ice package.
7 C *==========================================================*
8 C | Use this file for selecting options within the sea ice
9 C | package.
10 C *==========================================================*
11
12 #ifndef SEAICE_OPTIONS_H
13 #define SEAICE_OPTIONS_H
14 #include "PACKAGES_CONFIG.h"
15 #include "CPP_OPTIONS.h"
16
17 #ifdef ALLOW_SEAICE
18 C Package-specific Options & Macros go here
19
20 C-- Write "text-plots" of certain fields in STDOUT for debugging.
21 #undef SEAICE_DEBUG
22
23 C-- Allow sea-ice dynamic code.
24 C This option is provided to allow use of TAMC
25 C on the thermodynamics component of the code only.
26 C Sea-ice dynamics can also be turned off at runtime
27 C using variable SEAICEuseDYNAMICS.
28 #undef SEAICE_ALLOW_DYNAMICS
29
30 C-- By default, the sea-ice package uses its own integrated bulk
31 C formulae to compute fluxes (fu, fv, EmPmR, Qnet, and Qsw) over
32 C open-ocean. When this flag is set, these variables are computed
33 C in a separate external package, for example, pkg/exf, and then
34 C modified for sea-ice effects by pkg/seaice.
35 #define SEAICE_EXTERNAL_FLUXES
36
37 C-- By default, the sea-ice package uses 2-category thermodynamics.
38 C When this flag is set, an 8-category calculation of ice
39 C thermodynamics is carried out in groatb.F
40 C Note the pickup_seaice.* generated by this option differ
41 C from those generated with the default 2-category model.
42 C Therefore it is not possible to switch between the two
43 C in the middle of an integration.
44 #undef SEAICE_MULTICATEGORY
45 #undef SEAICE_MODIFY_GROWTH_ADJ
46 #undef SEAICE_SIMPLIFY_GROWTH_ADJ
47
48 C-- Since the missing sublimation term is now included
49 C this flag is needed for backward compatibility
50 #define SEAICE_DISABLE_SUBLIM
51
52 C-- Suspected missing term in coupled ocn-ice heat budget (to be further tested)
53 #define SEAICE_DISABLE_HEATCONSFIX
54
55 C-- By default cdm wind stress under sea-ice is set to the
56 C same value as it would be if there was no sea-ice.
57 C This is a placeholder until a more physically-sensible
58 C stable solution is developed. Apparently ocean stress
59 C that is based on sea-ice velocity can cause trouble in
60 C Arctic Ocean configurations. This temporary solution
61 C also corresponds to that adopted by CCSM-2. For the
62 C adventurous user who requires ice-modified stress,
63 C following options are available.
64 #undef SEAICE_ORIGINAL_BAD_ICE_STRESS
65 #undef SEAICE_TEST_ICE_STRESS_1
66
67 C-- The freezing point of water is a simple linear dependence to salinity.
68 C The flag below is now obsolete, but kept to ease the transition
69 C from the old constant freezing point default (see seaice_check.F).
70 #define SEAICE_VARIABLE_FREEZING_POINT
71
72 C-- By default the seaice model is discretized on a B-Grid (for
73 C historical reasons). Define the following flag to use a new
74 C (not thoroughly) test version on a C-grid
75 #define SEAICE_CGRID
76
77 C-- Only for the C-grid version it is possible to enable EVP code by
78 C defining the following flag
79 #ifdef SEAICE_CGRID
80 #define SEAICE_ALLOW_EVP
81 #endif /* SEAICE_CGRID */
82
83 C-- By default sea ice is fresh. Set following flag for salty ice.
84 #define SEAICE_VARIABLE_SALINITY
85
86 #endif /* ALLOW_SEAICE */
87 #endif /* SEAICE_OPTIONS_H */
88
89 CEH3 ;;; Local Variables: ***
90 CEH3 ;;; mode:fortran ***
91 CEH3 ;;; End: ***

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