/[MITgcm]/MITgcm/verification/global_ocean.cs32x15/code_ad/SEAICE_OPTIONS.h
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revision 1.3 by dimitri, Wed Feb 23 21:12:45 2011 UTC revision 1.15 by gforget, Thu Dec 27 23:00:53 2012 UTC
# Line 2  C $Header$ Line 2  C $Header$
2  C $Name$  C $Name$
3    
4  C     *==========================================================*  C     *==========================================================*
5  C     | SEAICE_OPTIONS.h                                         |  C     | SEAICE_OPTIONS.h
6  C     | o CPP options file for sea ice package.                  |  C     | o CPP options file for sea ice package.
7  C     *==========================================================*  C     *==========================================================*
8  C     | Use this file for selecting options within the sea ice   |  C     | Use this file for selecting options within the sea ice
9  C     | package.                                                 |  C     | package.
10  C     *==========================================================*  C     *==========================================================*
11    
12  #ifndef SEAICE_OPTIONS_H  #ifndef SEAICE_OPTIONS_H
# Line 14  C     *================================= Line 14  C     *=================================
14  #include "PACKAGES_CONFIG.h"  #include "PACKAGES_CONFIG.h"
15  #include "CPP_OPTIONS.h"  #include "CPP_OPTIONS.h"
16    
17    #ifdef ALLOW_SEAICE
18    C     Package-specific Options & Macros go here
19    
20  C--   Write "text-plots" of certain fields in STDOUT for debugging.  C--   Write "text-plots" of certain fields in STDOUT for debugging.
21  #undef SEAICE_DEBUG  #undef SEAICE_DEBUG
22    
# Line 40  C     Therefore it is not possible to sw Line 43  C     Therefore it is not possible to sw
43  C     in the middle of an integration.  C     in the middle of an integration.
44  #undef SEAICE_MULTICATEGORY  #undef SEAICE_MULTICATEGORY
45    
46  C--   Use the Old version of seaice_growth (close to cvs version 1.70)  C--   Since the missing sublimation term is now included
47  C     otherwise, use the merged version (with some of Ian Fenty s code)  C     this flag is needed for backward compatibility
48  #undef SEAICE_GROWTH_LEGACY  #undef SEAICE_DISABLE_SUBLIM
49    
50  C--   options only available in the merged version (from Ian Fenty s code)  C--   Suspected missing term in coupled ocn-ice heat budget (to be further tested)
51  #ifndef SEAICE_GROWTH_LEGACY  #undef SEAICE_DISABLE_HEATCONSFIX
52  C-    to switch on/off open-water freezing contribution to thickness tendency:  
53  # define SEAICE_DO_OPEN_WATER_GROWTH  C-    to ensure heat conservation in the coupled ocean-seaice system
54  C-    ifdef SEAICE_DO_OPEN_WATER_GROWTH then define SEAICE_DO_OPEN_WATER_MELT  #undef SEAICE_HEAT_CONSERV_FIX
55  C     to also allow open-water air-sea heat fluxes melt ice  C-    to preclude infinitesimal ice concentrations:
56  #undef SEAICE_DO_OPEN_WATER_MELT  #undef ALLOW_PRECLUDE_INFINITESIMAL_AREA
 C-    to switch on/off ocean heat contribution to seaice cover reduction:          
 #define SEAICE_OCN_MELT_ACT_ON_AREA        
 #endif  
   
 C-    to use the MCPhee formula in computing ocean/ice fluxes  
 #undef MCPHEE_OCEAN_ICE_HEAT_FLUX  
   
 C--   Use the Old version of seaice_solve4temp (formerly seaice_budget_ice)  
 C     otherwise, use Ian Fenty s version  
 #undef SEAICE_SOLVE4TEMP_LEGACY  
   
 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  
57    
58  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.
59  #undef SEAICE_SALINITY  #undef SEAICE_VARIABLE_SALINITY
60    
61  C--   Track sea ice age.  C--   Tracers of ice and/or ice cover.
62  C     By default sea ice age is associated with ice area.  #undef ALLOW_SITRACER
63  C     Define SEAICE_AGE_VOL to associate age with volume.  #ifdef ALLOW_SITRACER
64  #undef SEAICE_AGE  C--   To try avoid 'spontaneous generation' of tracer maxima by advdiff.
65  #ifdef SEAICE_AGE  # define ALLOW_SITRACER_ADVCAP
 # undef SEAICE_AGE_VOL  
66  #endif  #endif
67    
68  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
# Line 111  C--   By default for B-grid dynamics sol Line 92  C--   By default for B-grid dynamics sol
92  C     indirectly via geostrophic velocities. Define following CPP  C     indirectly via geostrophic velocities. Define following CPP
93  C     in order to use ETAN instead.  C     in order to use ETAN instead.
94  # define EXPLICIT_SSH_SLOPE  # define EXPLICIT_SSH_SLOPE
95    C--   Defining this flag turns on a FV-discretization of the B-grid LSOR
96    C     solver. It is smoother and includes all metric terms, similar to the
97    C     C-grid solver. It is here for completeness, but its usefulness is
98    C     unclear.
99    # undef SEAICE_LSRBNEW
100  #endif /* SEAICE_CGRID */  #endif /* SEAICE_CGRID */
101    
 C--   When set use MAX_HEFF to cap sea ice thickness in seaice_growth  
 #undef SEAICE_CAP_HEFF  
102  C--   When set limit the Ice-Loading to mass of 1/5 of Surface ocean grid-box  C--   When set limit the Ice-Loading to mass of 1/5 of Surface ocean grid-box
103  #undef SEAICE_CAP_ICELOAD  #undef SEAICE_CAP_ICELOAD
104  C--   When set use SEAICE_clipVelocties = .true., to clip U/VICE at 40cm/s,  C--   When set use SEAICE_clipVelocties = .true., to clip U/VICE at 40cm/s,
105  C--   not recommended  C--   not recommended
106  #define SEAICE_ALLOW_CLIPVELS  #define SEAICE_ALLOW_CLIPVELS
107    C--   When set cap the sublimation latent heat flux in solve4temp
108    C     according to the available amount of ice+snow. Otherwise this
109    C     term is treated like all of the others -- residuals heat and
110    C     fw stocks are passed to the ocean at the end of seaice_growth
111    C     in a conservative manner. SEAICE_CAP_SUBLIM is not needed
112    C     as of now, but kept just in case.
113    #undef SEAICE_CAP_SUBLIM
114    
115  C     enable free drift code  C     enable free drift code
116  #undef SEAICE_ALLOW_FREEDRIFT  #define SEAICE_ALLOW_FREEDRIFT
117    
118    #endif /* ALLOW_SEAICE */
119  #endif /* SEAICE_OPTIONS_H */  #endif /* SEAICE_OPTIONS_H */
120    
121  CEH3 ;;; Local Variables: ***  CEH3 ;;; Local Variables: ***
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