/[MITgcm]/MITgcm/verification/lab_sea/code/SEAICE_OPTIONS.h

Diff of /MITgcm/verification/lab_sea/code/SEAICE_OPTIONS.h

Parent Directory | Revision Log | View Revision Graph Revision Graph | View Patch Patch

-revision 1.13 by mlosch,
Mon Oct 26 08:40:06 2009 UTC
+revision 1.20 by jmc,
Sat Dec 24 01:17:53 2011 UTC
 Line 1
  C $Header$
  C $Name$
- C     /==========================================================\
+ C     *==========================================================*
- C     | SEAICE_OPTIONS.h                                         |
+ C     | SEAICE_OPTIONS.h
- C     | o CPP options file for sea ice package.                  |
+ C     | o CPP options file for sea ice package.
- C     |==========================================================|
+ C     *==========================================================*
- C     | Use this file for selecting options within the sea ice   |
+ C     | Use this file for selecting options within the sea ice
- C     | package.                                                 |
+ C     | package.
- C     \==========================================================/
+ C     *==========================================================*
  #ifndef SEAICE_OPTIONS_H
  #define SEAICE_OPTIONS_H
  #include "PACKAGES_CONFIG.h"
  #include "CPP_OPTIONS.h"
+ #ifdef ALLOW_SEAICE
+ C     Package-specific Options & Macros go here
  C--   Write "text-plots" of certain fields in STDOUT for debugging.
  #undef SEAICE_DEBUG
-Line 40 
 C     Therefore it is not possible to sw
+Line 43 
 C     Therefore it is not possible to sw
  C     in the middle of an integration.
  #undef SEAICE_MULTICATEGORY
- C--   By default for B-grid dynamics solver wind stress under sea-ice is
+ C--   Use the Old version of seaice_growth (close to cvs version 1.70)
- C     set to the same value as it would be if there was no sea-ice.
+ C     otherwise, use the merged version (with some of Ian Fenty s code)
- C     Define following CPP flag for B-grid ice-ocean stress coupling.
+ #define SEAICE_GROWTH_LEGACY
- #undef SEAICE_TEST_ICE_STRESS_1
+ C--   options only available in the merged version (from Ian Fenty s code)
+ #ifndef SEAICE_GROWTH_LEGACY
+ C-    to ensure heat conservation in the coupled ocean-seaice system
+ # 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
+ C-    to preclude infinitesimal ice concentrations:
+ # undef ALLOW_PRECLUDE_INFINITESIMAL_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
+ #define SEAICE_SOLVE4TEMP_LEGACY
- C--   By default for B-grid dynamics solver surface tilt is obtained
+ C--   By default the freezing point of water is set to the value of
- C     indirectly via geostrophic velocities.  Define following CPP
- C     in order to ues ETAN instead.
- #undef EXPLICIT_SSH_SLOPE
- 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
+ #define SEAICE_VARIABLE_FREEZING_POINT
  C--   Allow SEAICEuseFlooding, which converts snow to ice if submerged.
  #define ALLOW_SEAICE_FLOODING
  C--   By default sea ice is fresh.  Set following flag for salty ice.
- #define SEAICE_SALINITY
+ #define SEAICE_VARIABLE_SALINITY
  C--   Track sea ice age.
  #define SEAICE_AGE
- C--   By default the seaice model is discretized on a B-Grid (for
+ C--   Tracers of ice and/or ice cover.
+ #undef ALLOW_SITRACER
+ #ifdef ALLOW_SITRACER
+ C--   To try avoid 'spontaneous generation' of tracer maxima by advdiff.
+ # define ALLOW_SITRACER_ADVCAP
+ #endif
+ C--   By default the seaice model is discretized on a B-Grid (for
  C     historical reasons). Define the following flag to use a new
  C     (not thoroughly) test version on a C-grid
  #define SEAICE_CGRID
  C--   Only for the C-grid version it is possible to
  #ifdef SEAICE_CGRID
  C     enable EVP code by defining the following flag
- #define SEAICE_ALLOW_EVP
+ # define SEAICE_ALLOW_EVP
- #ifdef SEAICE_ALLOW_EVP
+ # ifdef SEAICE_ALLOW_EVP
  C--   When set use SEAICE_zetaMin and SEAICE_evpDampC to limit
  C--   viscosities from below and above in seaice_evp
- C--   not necessary, and not recommended, but used here for backward
+ C--   not necessary, and not recommended
- C--   compatibility
+ #  define SEAICE_ALLOW_CLIPZETA
- #define SEAICE_ALLOW_CLIPZETA
+ # endif /* SEAICE_ALLOW_EVP */
- #endif /* SEAICE_ALLOW_EVP */
  C     allow the truncated ellipse rheology (runtime flag SEAICEuseTEM)
- #undef SEAICE_ALLOW_TEM
+ # undef SEAICE_ALLOW_TEM
+ #else /* not SEAICE_CGRID, but old B-grid */
+ 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.
+ # define SEAICE_BICE_STRESS
+ C--   By default for B-grid dynamics solver surface tilt is obtained
+ C     indirectly via geostrophic velocities. Define following CPP
+ C     in order to use ETAN instead.
+ # define EXPLICIT_SSH_SLOPE
+ C--   Defining this flag turns on a FV-discretization of the B-grid LSOR
+ C     solver. It is smoother and includes all metric terms, similar to the
+ C     C-grid solver. It is here for completeness, but its usefulness is
+ C     unclear.
+ # undef SEAICE_LSRBNEW
  #endif /* SEAICE_CGRID */
  C--   When set use MAX_HEFF to cap sea ice thickness in seaice_growth
  #undef SEAICE_CAP_HEFF
+ C--   When set limit the Ice-Loading to mass of 1/5 of Surface ocean grid-box
+ #undef SEAICE_CAP_ICELOAD
  C--   When set use SEAICE_clipVelocties = .true., to clip U/VICE at 40cm/s,
- C--   not recommended, here enabled for backward compatibility
+ C--   not recommended
  #define SEAICE_ALLOW_CLIPVELS
+ C     enable free drift code
+ #define SEAICE_ALLOW_FREEDRIFT
+ #endif /* ALLOW_SEAICE */
  #endif /* SEAICE_OPTIONS_H */
  CEH3 ;;; Local Variables: ***

 Legend:



Removed from v.1.13
 


changed lines


 
Added in v.1.20
 Legend:



Removed from v.1.13
 


changed lines


 
Added in v.1.20
-Removed from v.1.13
+Added in v.1.20

	ViewVC Help
Powered by ViewVC 1.1.22