/[MITgcm]/MITgcm/verification/lab_sea/code_ad/SEAICE_OPTIONS.h
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revision 1.16 by gforget, Tue Feb 7 18:51:04 2012 UTC revision 1.18 by gforget, Sat Feb 11 03:49:22 2012 UTC
# Line 47  C--   Use the Old version of seaice_grow Line 47  C--   Use the Old version of seaice_grow
47  C     otherwise, use the merged version (with some of Ian Fenty s code)  C     otherwise, use the merged version (with some of Ian Fenty s code)
48  #define SEAICE_GROWTH_LEGACY  #define SEAICE_GROWTH_LEGACY
49    
50  C--   options only available in the merged version (from Ian Fenty s code)  C--   Since the missing sublimation term is now included
51    C     this flag is needed for backward compatibility
52    #define SEAICE_DISABLE_SUBLIM
53    
54    C--   options only available in the merged version
55  #ifndef SEAICE_GROWTH_LEGACY  #ifndef SEAICE_GROWTH_LEGACY
56  C-    to ensure heat conservation in the coupled ocean-seaice system  C-    to ensure heat conservation in the coupled ocean-seaice system
57  # undef SEAICE_HEAT_CONSERV_FIX  # undef SEAICE_HEAT_CONSERV_FIX
 C-    to switch on/off open-water freezing contribution to thickness tendency:  
 # define SEAICE_DO_OPEN_WATER_GROWTH  
 C-    ifdef SEAICE_DO_OPEN_WATER_GROWTH then define SEAICE_DO_OPEN_WATER_MELT  
 C     to also allow open-water air-sea heat fluxes melt ice  
 # undef SEAICE_DO_OPEN_WATER_MELT  
 C-    to switch on/off ocean heat contribution to seaice cover reduction:  
 # define SEAICE_OCN_MELT_ACT_ON_AREA  
58  C-    to preclude infinitesimal ice concentrations:  C-    to preclude infinitesimal ice concentrations:
59  # undef ALLOW_PRECLUDE_INFINITESIMAL_AREA  # undef ALLOW_PRECLUDE_INFINITESIMAL_AREA
60  #endif  #endif
61    
62  C--   Use the Old version of seaice_solve4temp (formerly seaice_budget_ice)  C--   The freezing point of water is a simple linear dependence to salinity.
63  C     otherwise, use Ian Fenty s version  C     The flag below is now obsolete, but kept to ease the transition
64  #define SEAICE_SOLVE4TEMP_LEGACY  C     from the old constant freezing point default (see seaice_check.F).
65    #define SEAICE_VARIABLE_FREEZING_POINT
 C--   By default the freezing point of water is set to the value of  
 C     the parameter SEAICE_freeze (=-1.96 by default). To use a  
 C     simple linear dependence of the freezing point on salinity,  
 C     set the following flag (pressure is assumed to have no effect,  
 C     which is a good assumption for the top 20 meters). With this  
 C     option defined the parameter SEAICE_freeze has no effect.  
 #undef SEAICE_VARIABLE_FREEZING_POINT  
   
 C--   Allow SEAICEuseFlooding, which converts snow to ice if submerged.  
 #define ALLOW_SEAICE_FLOODING  
66    
67  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.
68  #define SEAICE_VARIABLE_SALINITY  #define SEAICE_VARIABLE_SALINITY
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