/[MITgcm]/MITgcm_contrib/high_res_cube/code-mods/SEAICE_OPTIONS.h
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revision 1.14 by dimitri, Thu Dec 6 21:01:13 2007 UTC revision 1.17 by dimitri, Wed Jul 28 22:48:02 2010 UTC
# Line 39  C     Therefore it is not possible to sw Line 39  C     Therefore it is not possible to sw
39  C     in the middle of an integration.  C     in the middle of an integration.
40  #define SEAICE_MULTICATEGORY  #define SEAICE_MULTICATEGORY
41    
 C--   By default for B-grid dynamics solver wind stress under sea-ice is  
 C     set to the same value as it would be if there was no sea-ice.  
 C     Define following CPP flag for B-grid ice-ocean stress coupling.  
 #undef SEAICE_TEST_ICE_STRESS_1  
   
 C--   By default for B-grid dynamics solver surface tilt is obtained  
 C     indirectly via geostrophic velocities.  Define following CPP  
 C     in order to ues ETAN instead.  
 #undef EXPLICIT_SSH_SLOPE  
   
42  C--   By default the freezing point of water is set to the value of  C--   By default the freezing point of water is set to the value of
43  C     the parameter SEAICE_freeze (=-1.96 by default). To use a  C     the parameter SEAICE_freeze (=-1.96 by default). To use a
44  C     simple linear dependence of the freezing point on salinity,  C     simple linear dependence of the freezing point on salinity,
# Line 63  C--   Allow SEAICEuseFlooding, which con Line 53  C--   Allow SEAICEuseFlooding, which con
53  C--   By default sea ice is fresh.  Set following flag for salty ice.  C--   By default sea ice is fresh.  Set following flag for salty ice.
54  #define SEAICE_SALINITY  #define SEAICE_SALINITY
55    
56    C--   Track sea ice age.
57    #undef SEAICE_AGE
58    
59  C--   By default the seaice model is discretized on a B-Grid (for  C--   By default the seaice model is discretized on a B-Grid (for
60  C     historical reasons). Define the following flag to use a new  C     historical reasons). Define the following flag to use a new
61  C     (not thoroughly) test version on a C-grid  C     (not thoroughly) test version on a C-grid
62  #define SEAICE_CGRID  #define SEAICE_CGRID
63    
64  C--   Only for the C-grid version it is possible to enable EVP code by  C--   Only for the C-grid version it is possible to
 C     defining the following flag  
65  #ifdef SEAICE_CGRID  #ifdef SEAICE_CGRID
66  #undef SEAICE_ALLOW_EVP  C     enable EVP code by defining the following flag
67    # undef SEAICE_ALLOW_EVP
68    # ifdef SEAICE_ALLOW_EVP
69    C--   When set use SEAICE_zetaMin and SEAICE_evpDampC to limit
70    C--   viscosities from below and above in seaice_evp
71    C--   not necessary, and not recommended
72    #  undef SEAICE_ALLOW_CLIPZETA
73    # endif /* SEAICE_ALLOW_EVP */
74    C     allow the truncated ellipse rheology (runtime flag SEAICEuseTEM)
75    # undef SEAICE_ALLOW_TEM
76    #else /* not SEAICE_CGRID, but old B-grid */
77    C--   By default for B-grid dynamics solver wind stress under sea-ice is
78    C     set to the same value as it would be if there was no sea-ice.
79    C     Define following CPP flag for B-grid ice-ocean stress coupling.
80    # define SEAICE_BICE_STRESS
81    
82    C--   By default for B-grid dynamics solver surface tilt is obtained
83    C     indirectly via geostrophic velocities. Define following CPP
84    C     in order to use ETAN instead.
85    # define EXPLICIT_SSH_SLOPE
86  #endif /* SEAICE_CGRID */  #endif /* SEAICE_CGRID */
87    
88  C--   When set use MAX_HEFF to cap sea ice thickness in seaice_growth  C--   When set use MAX_HEFF to cap sea ice thickness in seaice_growth
89  #define SEAICE_CAP_HEFF  #define SEAICE_CAP_HEFF
90    C--   When set use SEAICE_clipVelocties = .true., to clip U/VICE at 40cm/s,
91    C--   not recommended
92    #undef SEAICE_ALLOW_CLIPVELS
93    
94  #endif /* SEAICE_OPTIONS_H */  #endif /* SEAICE_OPTIONS_H */
95    
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