/[MITgcm]/MITgcm_contrib/high_res_cube/code-mods/SEAICE_OPTIONS.h
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revision 1.2 by dimitri, Sat Jan 10 00:50:25 2004 UTC revision 1.15 by dimitri, Sun Dec 23 06:04:43 2007 UTC
# Line 11  C     \================================= Line 11  C     \=================================
11  #ifndef SEAICE_OPTIONS_H  #ifndef SEAICE_OPTIONS_H
12  #define SEAICE_OPTIONS_H  #define SEAICE_OPTIONS_H
13  #include "PACKAGES_CONFIG.h"  #include "PACKAGES_CONFIG.h"
 #ifdef ALLOW_SEAICE  
   
14  #include "CPP_OPTIONS.h"  #include "CPP_OPTIONS.h"
15    
16  C--   Write "text-plots" of certain fields in STDOUT for debugging.  C--   Write "text-plots" of certain fields in STDOUT for debugging.
17  #undef SEAICE_DEBUG  #undef SEAICE_DEBUG
18    
19    C--   This flag is meant for options that make more sense than the
20    C     original options but that break the verification experiments.
21    #define SEAICE_BREAKS_VERIFICATION
22    
23  C--   Allow sea-ice dynamic code.  C--   Allow sea-ice dynamic code.
24  C     This option is provided to allow use of TAMC  C     This option is provided to allow use of TAMC
25  C     on the thermodynamics component of the code only.  C     on the thermodynamics component of the code only.
26  C     Sea-ice dynamics can also be turned off at runtime  C     Sea-ice dynamics can also be turned off at runtime
27  C     using variable SEAICEuseDYNAMICS.  C     using variable SEAICEuseDYNAMICS.
28  #undef SEAICE_ALLOW_DYNAMICS  #define SEAICE_ALLOW_DYNAMICS
   
 C--   By default, pkg/seaice defines forcing variable internally, in  
 C     SEAICE_FFIELDS.h, and reads them in from files.  When CPP option  
 C     SEAICE_EXTERNAL_FORCING is defined, the above forcing variables  
 C     are defined and provided by an external package.  At present this  
 C     option is hardwired for pkg/exf and the variables are passed using  
 C     include file exf_fields.h.  
 #define SEAICE_EXTERNAL_FORCING  
 #ifdef SEAICE_EXTERNAL_FORCING  
 #include "EXF_OPTIONS.h"  
 #endif /* SEAICE_EXTERNAL_FORCING */  
29    
30  C--   By default, the sea-ice package uses its own integrated bulk  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  C     formulae to compute fluxes (fu, fv, EmPmR, Qnet, and Qsw) over
# Line 46  C     modified for sea-ice effects by pk Line 37  C     modified for sea-ice effects by pk
37  C--   By default, the sea-ice package uses 2-category thermodynamics.  C--   By default, the sea-ice package uses 2-category thermodynamics.
38  C     When this flag is set, an 8-category calculation of ice  C     When this flag is set, an 8-category calculation of ice
39  C     thermodynamics is carried out in groatb.F  C     thermodynamics is carried out in groatb.F
40  C     !!! Note the pickup_seaice.* generated by this option differ !!!  C     Note the pickup_seaice.* generated by this option differ
41  C     !!! from those generated with the default 2-category model.  !!!  C     from those generated with the default 2-category model.
42  C     !!! Therefore it is not possible to switch between the two   !!!  C     Therefore it is not possible to switch between the two
43  C     !!! in the middle of an integration.                         !!!  C     in the middle of an integration.
44  #undef SEAICE_MULTILEVEL  #define SEAICE_MULTICATEGORY
45    
46    C--   By default for B-grid dynamics solver wind stress under sea-ice is
47    C     set to the same value as it would be if there was no sea-ice.
48    C     Define following CPP flag for B-grid ice-ocean stress coupling.
49    #undef SEAICE_TEST_ICE_STRESS_1
50    
51    C--   By default for B-grid dynamics solver surface tilt is obtained
52    C     indirectly via geostrophic velocities.  Define following CPP
53    C     in order to ues ETAN instead.
54    #undef EXPLICIT_SSH_SLOPE
55    
56    C--   By default the freezing point of water is set to the value of
57    C     the parameter SEAICE_freeze (=-1.96 by default). To use a
58    C     simple linear dependence of the freezing point on salinity,
59    C     set the following flag (pressure is assumed to have no effect,
60    C     which is a good assumption for the top 20 meters). With this
61    C     option defined the parameter SEAICE_freeze has no effect.
62    #define SEAICE_VARIABLE_FREEZING_POINT
63    
64    C--   Allow SEAICEuseFlooding, which converts snow to ice if submerged.
65    #define ALLOW_SEAICE_FLOODING
66    
67    C--   By default sea ice is fresh.  Set following flag for salty ice.
68    #define SEAICE_SALINITY
69    
70    C--   By default the seaice model is discretized on a B-Grid (for
71    C     historical reasons). Define the following flag to use a new
72    C     (not thoroughly) test version on a C-grid
73    #define SEAICE_CGRID
74    
75    C--   Only for the C-grid version it is possible to enable EVP code by
76    C     defining the following flag
77    #ifdef SEAICE_CGRID
78    #undef SEAICE_ALLOW_EVP
79    #endif /* SEAICE_CGRID */
80    
81    C--   When set use MAX_HEFF to cap sea ice thickness in seaice_growth
82    #define SEAICE_CAP_HEFF
83    
 #endif /* ALLOW_SEAICE */  
84  #endif /* SEAICE_OPTIONS_H */  #endif /* SEAICE_OPTIONS_H */
85    
86    CEH3 ;;; Local Variables: ***
87    CEH3 ;;; mode:fortran ***
88    CEH3 ;;; End: ***
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