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C $Header$ |
C $Header$ |
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C $Name$ |
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C /==========================================================\ |
C *==========================================================* |
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C | SEAICE_OPTIONS.h | |
C | SEAICE_OPTIONS.h |
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C | o CPP options file for sea ice package. | |
C | o CPP options file for sea ice package. |
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C |==========================================================| |
C *==========================================================* |
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C | Use this file for selecting options within the sea ice | |
C | Use this file for selecting options within the sea ice |
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C | package. | |
C | package. |
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C \==========================================================/ |
C *==========================================================* |
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#ifndef SEAICE_OPTIONS_H |
#ifndef SEAICE_OPTIONS_H |
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#define SEAICE_OPTIONS_H |
#define SEAICE_OPTIONS_H |
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#include "PACKAGES_CONFIG.h" |
#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
#include "CPP_OPTIONS.h" |
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#ifdef ALLOW_SEAICE |
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C Package-specific Options & Macros go here |
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C-- Write "text-plots" of certain fields in STDOUT for debugging. |
C-- Write "text-plots" of certain fields in STDOUT for debugging. |
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#undef SEAICE_DEBUG |
#undef SEAICE_DEBUG |
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C using variable SEAICEuseDYNAMICS. |
C using variable SEAICEuseDYNAMICS. |
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#define SEAICE_ALLOW_DYNAMICS |
#define SEAICE_ALLOW_DYNAMICS |
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C-- By default, pkg/seaice defines forcing variable internally, in |
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C SEAICE_FFIELDS.h, and reads them in from files. When CPP option |
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C SEAICE_EXTERNAL_FORCING is defined, the above forcing variables |
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C are defined and provided by an external package. At present this |
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C option is hardwired for pkg/exf and the variables are passed using |
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C include file EXF_FIELDS.h (=> cannot be defined without pkg/EXF ) |
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#define SEAICE_EXTERNAL_FORCING |
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#ifndef ALLOW_EXF |
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# undef SEAICE_EXTERNAL_FORCING |
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#endif |
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#ifdef SEAICE_EXTERNAL_FORCING |
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# include "EXF_OPTIONS.h" |
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C-- By default, the sea-ice package uses its own integrated bulk |
C-- By default, the sea-ice package uses its own integrated bulk |
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C formulae to compute fluxes (fu, fv, EmPmR, Qnet, and Qsw) over |
C formulae to compute fluxes (fu, fv, EmPmR, Qnet, and Qsw) over |
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C open-ocean. When this flag is set, these variables are computed |
C open-ocean. When this flag is set, these variables are computed |
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C in a separate external package, for example, pkg/exf, and then |
C in a separate external package, for example, pkg/exf, and then |
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C modified for sea-ice effects by pkg/seaice. |
C modified for sea-ice effects by pkg/seaice. |
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# define SEAICE_EXTERNAL_FLUXES |
#define SEAICE_EXTERNAL_FLUXES |
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#else /* SEAICE_EXTERNAL_FORCING */ |
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C- current implementation requires those options to be set: |
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# undef SEAICE_EXTERNAL_FLUXES |
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# define ALLOW_ATM_TEMP |
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# define ALLOW_DOWNWARD_RADIATION |
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# define ALLOW_RUNOFF |
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#endif /* SEAICE_EXTERNAL_FORCING */ |
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#ifdef ALLOW_OBCS |
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C- OBCS information is needed to define the correct sea ice mask. |
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#include "OBCS_OPTIONS.h" |
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#endif /* ALLOW_OBCS */ |
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C-- By default, the sea-ice package uses 2-category thermodynamics. |
C-- By default, the sea-ice package uses 2-category thermodynamics. |
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C When this flag is set, an 8-category calculation of ice |
C When this flag is set, an 8-category calculation of ice |
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C in the middle of an integration. |
C in the middle of an integration. |
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#define SEAICE_MULTICATEGORY |
#define SEAICE_MULTICATEGORY |
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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) |
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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) |
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C Define following CPP flag for B-grid ice-ocean stress coupling. |
#undef SEAICE_GROWTH_LEGACY |
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#undef SEAICE_TEST_ICE_STRESS_1 |
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C-- Since the missing sublimation term is now included |
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C-- By default for B-grid dynamics solver surface tilt is obtained |
C this flag is needed for backward compatibility |
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C indirectly via geostrophic velocities. Define following CPP |
#undef SEAICE_DISABLE_SUBLIM |
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C in order to ues ETAN instead. |
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#undef EXPLICIT_SSH_SLOPE |
C-- Suspected missing term in coupled ocn-ice heat budget (to be further tested) |
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#undef SEAICE_DISABLE_HEATCONSFIX |
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C-- By default the freezing point of water is set to the value of |
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C the parameter SEAICE_freeze (=-1.96 by default). To use a |
C-- options only available in the merged version |
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C simple linear dependence of the freezing point on salinity, |
#ifndef SEAICE_GROWTH_LEGACY |
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C set the following flag (pressure is assumed to have no effect, |
C- to ensure heat conservation in the coupled ocean-seaice system |
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C which is a good assumption for the top 20 meters). With this |
# undef SEAICE_HEAT_CONSERV_FIX |
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C option defined the parameter SEAICE_freeze has no effect. |
C- to preclude infinitesimal ice concentrations: |
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#define SEAICE_VARIABLE_FREEZING_POINT |
# undef ALLOW_PRECLUDE_INFINITESIMAL_AREA |
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#endif |
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C-- Allow SEAICEuseFlooding, which converts snow to ice if submerged. |
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#define ALLOW_SEAICE_FLOODING |
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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. |
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#define SEAICE_SALINITY |
#define SEAICE_VARIABLE_SALINITY |
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C-- Tracers of ice and/or ice cover. |
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#undef ALLOW_SITRACER |
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#ifdef ALLOW_SITRACER |
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C-- To try avoid 'spontaneous generation' of tracer maxima by advdiff. |
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# define ALLOW_SITRACER_ADVCAP |
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#endif |
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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 |
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C historical reasons). Define the following flag to use a new |
C historical reasons). Define the following flag to use a new |
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C (not thoroughly) test version on a C-grid |
C (not thoroughly) test version on a C-grid |
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#define SEAICE_CGRID |
#define SEAICE_CGRID |
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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 |
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C defining the following flag |
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#ifdef SEAICE_CGRID |
#ifdef SEAICE_CGRID |
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#undef SEAICE_ALLOW_EVP |
C enable EVP code by defining the following flag |
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# define SEAICE_ALLOW_EVP |
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# ifdef SEAICE_ALLOW_EVP |
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C-- When set use SEAICE_zetaMin and SEAICE_evpDampC to limit |
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C-- viscosities from below and above in seaice_evp |
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C-- not necessary, and not recommended |
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# undef SEAICE_ALLOW_CLIPZETA |
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# endif /* SEAICE_ALLOW_EVP */ |
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C allow the truncated ellipse rheology (runtime flag SEAICEuseTEM) |
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# undef SEAICE_ALLOW_TEM |
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#else /* not SEAICE_CGRID, but old B-grid */ |
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C-- By default for B-grid dynamics solver wind stress under sea-ice is |
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C set to the same value as it would be if there was no sea-ice. |
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C Define following CPP flag for B-grid ice-ocean stress coupling. |
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# define SEAICE_BICE_STRESS |
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C-- By default for B-grid dynamics solver surface tilt is obtained |
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C indirectly via geostrophic velocities. Define following CPP |
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C in order to use ETAN instead. |
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# define EXPLICIT_SSH_SLOPE |
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C-- Defining this flag turns on a FV-discretization of the B-grid LSOR |
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C solver. It is smoother and includes all metric terms, similar to the |
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C C-grid solver. It is here for completeness, but its usefulness is |
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C unclear. |
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# undef SEAICE_LSRBNEW |
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#endif /* SEAICE_CGRID */ |
#endif /* SEAICE_CGRID */ |
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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 |
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#define SEAICE_CAP_HEFF |
#undef SEAICE_CAP_HEFF |
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C-- When set limit the Ice-Loading to mass of 1/5 of Surface ocean grid-box |
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#undef SEAICE_CAP_ICELOAD |
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C-- When set use SEAICE_clipVelocties = .true., to clip U/VICE at 40cm/s, |
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C-- not recommended |
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#undef SEAICE_ALLOW_CLIPVELS |
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C-- When set cap the sublimation latent heat flux in solve4temp |
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C according to the available amount of ice+snow. Otherwise this |
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C term is treated like all of the others -- residuals heat and |
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C fw stocks are passed to the ocean at the end of seaice_growth |
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C in a conservative manner. SEAICE_CAP_SUBLIM is not needed |
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C as of now, but kept just in case. |
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#undef SEAICE_CAP_SUBLIM |
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C enable free drift code |
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#undef SEAICE_ALLOW_FREEDRIFT |
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#endif /* ALLOW_SEAICE */ |
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#endif /* SEAICE_OPTIONS_H */ |
#endif /* SEAICE_OPTIONS_H */ |
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CEH3 ;;; Local Variables: *** |
CEH3 ;;; Local Variables: *** |
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