/[MITgcm]/MITgcm/pkg/seaice/SEAICE_OPTIONS.h
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revision 1.29 by dimitri, Fri Dec 14 21:52:01 2007 UTC revision 1.38 by dimitri, Mon Mar 1 23:46:13 2010 UTC
# Line 17  C     \================================= Line 17  C     \=================================
17  C--   Write "text-plots" of certain fields in STDOUT for debugging.  C--   Write "text-plots" of certain fields in STDOUT for debugging.
18  #undef SEAICE_DEBUG  #undef SEAICE_DEBUG
19    
 C--   This flag is meant for options that make more sense than the  
 C     original options but that break the verification experiments.  
 #undef SEAICE_BREAKS_VERIFICATION  
   
20  C--   Allow sea-ice dynamic code.  C--   Allow sea-ice dynamic code.
21  C     This option is provided to allow use of TAMC  C     This option is provided to allow use of TAMC
22  C     on the thermodynamics component of the code only.  C     on the thermodynamics component of the code only.
# Line 44  C     Therefore it is not possible to sw Line 40  C     Therefore it is not possible to sw
40  C     in the middle of an integration.  C     in the middle of an integration.
41  #undef SEAICE_MULTICATEGORY  #undef SEAICE_MULTICATEGORY
42    
 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  
   
43  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
44  C     the parameter SEAICE_freeze (=-1.96 by default). To use a  C     the parameter SEAICE_freeze (=-1.96 by default). To use a
45  C     simple linear dependence of the freezing point on salinity,  C     simple linear dependence of the freezing point on salinity,
# Line 63  C     option defined the parameter SEAIC Line 49  C     option defined the parameter SEAIC
49  #undef SEAICE_VARIABLE_FREEZING_POINT  #undef SEAICE_VARIABLE_FREEZING_POINT
50    
51  C--   Allow SEAICEuseFlooding, which converts snow to ice if submerged.  C--   Allow SEAICEuseFlooding, which converts snow to ice if submerged.
52  #undef ALLOW_SEAICE_FLOODING  #define ALLOW_SEAICE_FLOODING
53    
54  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.
55  #undef SEAICE_SALINITY  #undef SEAICE_SALINITY
56    
57    C--   Track sea ice age.
58    #undef SEAICE_AGE
59    
60  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
61  C     historical reasons). Define the following flag to use a new  C     historical reasons). Define the following flag to use a new
62  C     (not thoroughly) test version on a C-grid  C     (not thoroughly) test version on a C-grid
63  #define SEAICE_CGRID  #define SEAICE_CGRID
64    
65  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  
66  #ifdef SEAICE_CGRID  #ifdef SEAICE_CGRID
67  #define SEAICE_ALLOW_EVP  C     enable EVP code by defining the following flag
68    # define SEAICE_ALLOW_EVP
69    # ifdef SEAICE_ALLOW_EVP
70    C--   When set use SEAICE_zetaMin and SEAICE_evpDampC to limit
71    C--   viscosities from below and above in seaice_evp
72    C--   not necessary, and not recommended
73    #  undef SEAICE_ALLOW_CLIPZETA
74    # endif /* SEAICE_ALLOW_EVP */
75    C     allow the truncated ellipse rheology (runtime flag SEAICEuseTEM)
76    # undef SEAICE_ALLOW_TEM
77    #else /* not SEAICE_CGRID, but old B-grid */
78    C--   By default for B-grid dynamics solver wind stress under sea-ice is
79    C     set to the same value as it would be if there was no sea-ice.
80    C     Define following CPP flag for B-grid ice-ocean stress coupling.
81    # define SEAICE_BICE_STRESS
82    
83    C--   By default for B-grid dynamics solver surface tilt is obtained
84    C     indirectly via geostrophic velocities. Define following CPP
85    C     in order to use ETAN instead.
86    # define EXPLICIT_SSH_SLOPE
87  #endif /* SEAICE_CGRID */  #endif /* SEAICE_CGRID */
88    
89  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
90  #undef SEAICE_CAP_HEFF  #undef SEAICE_CAP_HEFF
91    C--   When set use SEAICE_clipVelocties = .true., to clip U/VICE at 40cm/s,
92    C--   not recommended
93    #undef SEAICE_ALLOW_CLIPVELS
94    
95  #endif /* SEAICE_OPTIONS_H */  #endif /* SEAICE_OPTIONS_H */
96    
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