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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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C-- By default, the sea-ice package uses 2-category thermodynamics. |
C-- This CPP flag has been retired. The number of ice categories |
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C When this flag is set, an 8-category calculation of ice |
C used to solve for seaice flux is now specified by run-time |
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C thermodynamics is carried out in groatb.F |
C parameter SEAICE_multDim. |
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C Note the pickup_seaice.* generated by this option differ |
C Note: be aware of pickup_seaice.* compatibility issues when |
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C from those generated with the default 2-category model. |
C restarting a simulation with a different number of categories. |
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C Therefore it is not possible to switch between the two |
c#define SEAICE_MULTICATEGORY |
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C in the middle of an integration. |
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#define SEAICE_MULTICATEGORY |
C-- run with sea Ice Thickness Distribution (ITD); |
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C set number of categories (nITD) in SEAICE_SIZE.h |
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C-- Use the Old version of seaice_growth (close to cvs version 1.70) |
#undef SEAICE_ITD |
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C otherwise, use the merged version (with some of Ian Fenty s code) |
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#define SEAICE_GROWTH_LEGACY |
C-- Since the missing sublimation term is now included |
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C this flag is needed for backward compatibility |
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C-- options only available in the merged version (from Ian Fenty s code) |
#define SEAICE_DISABLE_SUBLIM |
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#ifndef SEAICE_GROWTH_LEGACY |
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C- to ensure heat conservation in the coupled ocean-seaice system |
C-- Suspected missing term in coupled ocn-ice heat budget (to be confirmed) |
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# undef SEAICE_HEAT_CONSERV_FIX |
#define SEAICE_DISABLE_HEATCONSFIX |
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C- to switch on/off open-water freezing contribution to thickness tendency: |
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# define SEAICE_DO_OPEN_WATER_GROWTH |
C-- Default is constant seaice salinity (SEAICE_salt0); Define the following |
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C- ifdef SEAICE_DO_OPEN_WATER_GROWTH then define SEAICE_DO_OPEN_WATER_MELT |
C flag to consider (space & time) variable salinity: advected and forming |
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C to also allow open-water air-sea heat fluxes melt ice |
C seaice with a fraction (=SEAICE_saltFrac) of freezing seawater salinity. |
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# undef SEAICE_DO_OPEN_WATER_MELT |
C- Note: SItracer also offers an alternative way to handle variable salinity. |
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C- to switch on/off ocean heat contribution to seaice cover reduction: |
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# define SEAICE_OCN_MELT_ACT_ON_AREA |
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C- to preclude infinitesimal ice concentrations: |
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# undef ALLOW_PRECLUDE_INFINITESIMAL_AREA |
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#endif |
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C- to use the MCPhee formula in computing ocean/ice fluxes |
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#undef MCPHEE_OCEAN_ICE_HEAT_FLUX |
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C-- Use the Old version of seaice_solve4temp (formerly seaice_budget_ice) |
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C otherwise, use Ian Fenty s version |
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#define SEAICE_SOLVE4TEMP_LEGACY |
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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 |
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C simple linear dependence of the freezing point on salinity, |
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C set the following flag (pressure is assumed to have no effect, |
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C which is a good assumption for the top 20 meters). With this |
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C option defined the parameter SEAICE_freeze has no effect. |
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#undef SEAICE_VARIABLE_FREEZING_POINT |
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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. |
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#define SEAICE_VARIABLE_SALINITY |
#define SEAICE_VARIABLE_SALINITY |
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C-- Track sea ice age. |
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#undef SEAICE_AGE |
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C-- Tracers of ice and/or ice cover. |
C-- Tracers of ice and/or ice cover. |
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#undef ALLOW_SITRACER |
#undef ALLOW_SITRACER |
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#ifdef ALLOW_SITRACER |
#ifdef ALLOW_SITRACER |
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C-- Only for the C-grid version it is possible to |
C-- Only for the C-grid version it is possible to |
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#ifdef SEAICE_CGRID |
#ifdef SEAICE_CGRID |
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C enable JFNK code by defining the following flag |
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# undef SEAICE_ALLOW_JFNK |
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C enable LSR to use global (multi-tile) tri-diagonal solver |
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# undef SEAICE_GLOBAL_3DIAG_SOLVER |
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C enable EVP code by defining the following flag |
C enable EVP code by defining the following flag |
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# define SEAICE_ALLOW_EVP |
# define SEAICE_ALLOW_EVP |
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# ifdef SEAICE_ALLOW_EVP |
# ifdef SEAICE_ALLOW_EVP |
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C-- When set use SEAICE_zetaMin and SEAICE_evpDampC to limit |
C-- When set use SEAICE_zetaMin and SEAICE_evpDampC to limit viscosities |
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C-- viscosities from below and above in seaice_evp |
C from below and above in seaice_evp: not necessary, and not recommended |
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C-- not necessary, and not recommended |
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# undef SEAICE_ALLOW_CLIPZETA |
# undef SEAICE_ALLOW_CLIPZETA |
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# endif /* SEAICE_ALLOW_EVP */ |
# endif /* SEAICE_ALLOW_EVP */ |
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C regularize zeta to zmax with a smooth tanh-function instead |
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C of a min(zeta,zmax). This improves convergence of iterative |
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C solvers (Lemieux and Tremblay 2009, JGR). No effect on EVP |
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# undef SEAICE_ZETA_SMOOTHREG |
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C allow the truncated ellipse rheology (runtime flag SEAICEuseTEM) |
C allow the truncated ellipse rheology (runtime flag SEAICEuseTEM) |
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# undef SEAICE_ALLOW_TEM |
# undef SEAICE_ALLOW_TEM |
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C The adjoint compiler TAF complains the least (and gives the best code) |
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C when SEAICE_VECTORIZE_LSR is defined, but this is a bit of a hack |
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# define SEAICE_VECTORIZE_LSR |
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# define SEAICE_LSR_ADJOINT_ITER |
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#else /* not SEAICE_CGRID, but old B-grid */ |
#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 |
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. |
C set to the same value as it would be if there was no sea-ice. |
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C indirectly via geostrophic velocities. Define following CPP |
C indirectly via geostrophic velocities. Define following CPP |
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C in order to use ETAN instead. |
C in order to use ETAN instead. |
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# define EXPLICIT_SSH_SLOPE |
# define EXPLICIT_SSH_SLOPE |
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C-- Defining this flag turns on a FV-discretization of the B-grid LSOR |
C-- Defining this flag turns on FV-discretization of the B-grid LSOR solver. |
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C solver. It is smoother and includes all metric terms, similar to the |
C It is smoother and includes all metric terms, similar to C-grid solvers. |
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C C-grid solver. It is here for completeness, but its usefulness is |
C It is here for completeness, but its usefulness is unclear. |
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C unclear. |
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# undef SEAICE_LSRBNEW |
# 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 |
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#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 |
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 |
#undef SEAICE_CAP_ICELOAD |
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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, |
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C-- not recommended |
C not recommended |
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#undef SEAICE_ALLOW_CLIPVELS |
#undef SEAICE_ALLOW_CLIPVELS |
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C-- When set cap the sublimation latent heat flux in solve4temp according |
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C to the available amount of ice+snow. Otherwise this term is treated |
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C like all of the others -- residuals heat and fw stocks are passed to |
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C the ocean at the end of seaice_growth in a conservative manner. |
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C SEAICE_CAP_SUBLIM is not needed 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 |
C-- Enable free drift code |
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#define SEAICE_ALLOW_FREEDRIFT |
#define SEAICE_ALLOW_FREEDRIFT |
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C-- pkg/seaice cost functions compile flags |
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c >>> Sea-ice volume (requires pkg/cost) |
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#undef ALLOW_COST_ICE |
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c >>> Sea-ice misfit to obs (requires pkg/cost and ecco) |
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#define ALLOW_SEAICE_COST_SMR_AREA |
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#endif /* ALLOW_SEAICE */ |
#endif /* ALLOW_SEAICE */ |
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#endif /* SEAICE_OPTIONS_H */ |
#endif /* SEAICE_OPTIONS_H */ |
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