/[MITgcm]/MITgcm/pkg/seaice/SEAICE_OPTIONS.h
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revision 1.5 by dimitri, Fri May 23 20:19:15 2003 UTC revision 1.10 by dimitri, Wed Dec 22 00:49:36 2004 UTC
# Line 1  Line 1 
1  C  C $Header$
2    
3  C     /==========================================================\  C     /==========================================================\
4  C     | SEAICE_OPTIONS.h                                         |  C     | SEAICE_OPTIONS.h                                         |
5  C     | o CPP options file for sea ice package.                  |  C     | o CPP options file for sea ice package.                  |
6  C     |==========================================================|  C     |==========================================================|
7  C     | Use this file for selecting options within the sea ice   |  C     | Use this file for selecting options within the sea ice   |
8  C     | package.  Sea ice model is enabled with ALLOW_SEAICE in  |  C     | package.                                                 |
 C     | CPP_OPTIONS.h                                            |  
9  C     \==========================================================/  C     \==========================================================/
10    
11  #include "CPP_OPTIONS.h"  #ifndef SEAICE_OPTIONS_H
12    #define SEAICE_OPTIONS_H
13    #include "PACKAGES_CONFIG.h"
14  #ifdef ALLOW_SEAICE  #ifdef ALLOW_SEAICE
15    
16    #include "CPP_OPTIONS.h"
17    
18  C--   Write "text-plots" of certain fields in STDOUT for debugging.  C--   Write "text-plots" of certain fields in STDOUT for debugging.
19  #undef SEAICE_DEBUG  #undef SEAICE_DEBUG
20    
# Line 29  C     SEAICE_EXTERNAL_FORCING is defined Line 31  C     SEAICE_EXTERNAL_FORCING is defined
31  C     are defined and provided by an external package.  At present this  C     are defined and provided by an external package.  At present this
32  C     option is hardwired for pkg/exf and the variables are passed using  C     option is hardwired for pkg/exf and the variables are passed using
33  C     include file exf_fields.h.  C     include file exf_fields.h.
34  #undef SEAICE_EXTERNAL_FORCING  #define SEAICE_EXTERNAL_FORCING
35    #ifdef SEAICE_EXTERNAL_FORCING
36    #include "EXF_OPTIONS.h"
37    #endif /* SEAICE_EXTERNAL_FORCING */
38    
39  C--   By default, the sea-ice package uses its own integrated bulk  C--   By default, the sea-ice package uses its own integrated bulk
40  C     formulae to compute fluxes (fu, fv, EmPmR, Qnet, and Qsw) over  C     formulae to compute fluxes (fu, fv, EmPmR, Qnet, and Qsw) over
41  C     open-ocean.  When this flag is set, these variables are computed  C     open-ocean.  When this flag is set, these variables are computed
42  C     in a separate external package, for example, pkg/exf, and then  C     in a separate external package, for example, pkg/exf, and then
43  C     modified for sea-ice effects by pkg/seaice.  C     modified for sea-ice effects by pkg/seaice.
44  #undef SEAICE_EXTERNAL_FLUXES  #define SEAICE_EXTERNAL_FLUXES
45    
46  C--   By default, the sea-ice package uses 2-category thermodynamics.  C--   By default, the sea-ice package uses 2-category thermodynamics.
47  C     When this flag is set, an 8-category calculation of ice  C     When this flag is set, an 8-category calculation of ice
48  C     thermodynamics is carried out in groatb.F  C     thermodynamics is carried out in groatb.F
49    C     Note the pickup_seaice.* generated by this option differ
50    C     from those generated with the default 2-category model.
51    C     Therefore it is not possible to switch between the two
52    C     in the middle of an integration.
53  #undef SEAICE_MULTILEVEL  #undef SEAICE_MULTILEVEL
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  #endif /* ALLOW_SEAICE */  #endif /* ALLOW_SEAICE */
68    #endif /* SEAICE_OPTIONS_H */
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