mom_marine_ice module reference

Routines incorporating the effects of marine ice (sea-ice and icebergs) into the ocean model dynamics and thermodynamics.

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Data Types

marine_ice_cs

Control structure for MOM_marine_ice.

Functions/Subroutines

`iceberg_forces()`	add_berg_flux_to_shelf adds rigidity and ice-area coverage due to icebergs to the forces type fields, and adds ice-areal coverage and modifies various thermodynamic fluxes due to the presence of icebergs.
`iceberg_fluxes()`	iceberg_fluxes adds ice-area-coverage and modifies various thermodynamic fluxes due to the presence of icebergs.
`marine_ice_init()`	Initialize control structure for MOM_marine_ice.

Detailed Description

Routines incorporating the effects of marine ice (sea-ice and icebergs) into the ocean model dynamics and thermodynamics.

Type Documentation

type mom_marine_ice/marine_ice_cs

Control structure for MOM_marine_ice.

Type fields:

% kv_iceberg :: real The viscosity of the icebergs [L4 Z-2 T-1 ~> m2 s-1] (for ice rigidity)
% berg_area_threshold :: real Fraction of grid cell which iceberg must occupy so that fluxes below are set to zero [nondim]. (0.5 is a good value to use.) Not applied for negative values.
% latent_heat_fusion :: real Latent heat of fusion [Q ~> J kg-1].
% density_iceberg :: real A typical density of icebergs [R ~> kg m-3] (for ice rigidity)
% time :: type(time_type), pointer A pointer to the ocean model’s clock.
% diag :: type(diag_ctrl), pointer A structure that is used to regulate the timing of diagnostic output.

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Function/Subroutine Documentation

subroutine mom_marine_ice/iceberg_forces(G, forces, use_ice_shelf, sfc_state, time_step, CS)

add_berg_flux_to_shelf adds rigidity and ice-area coverage due to icebergs to the forces type fields, and adds ice-areal coverage and modifies various thermodynamic fluxes due to the presence of icebergs.

Parameters:

g :: [inout] The ocean’s grid structure
forces :: forces [inout] A structure with the driving mechanical forces
sfc_state :: sfc_state [inout] A structure containing fields that describe the surface state of the ocean.
use_ice_shelf :: use_ice_shelf [in] If true, this configuration uses ice shelves.
time_step :: time_step [in] The coupling time step [T ~> s].
cs :: Pointer to the control structure for MOM_marine_ice

Called from:

ocean_model_mod::update_ocean_model

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subroutine mom_marine_ice/iceberg_fluxes(G, US, fluxes, use_ice_shelf, sfc_state, time_step, CS)

iceberg_fluxes adds ice-area-coverage and modifies various thermodynamic fluxes due to the presence of icebergs.

Parameters:

g :: [inout] The ocean’s grid structure
us :: [in] A dimensional unit scaling type
fluxes :: fluxes [inout] A structure with pointers to themodynamic, tracer and mass exchange forcing fields
sfc_state :: sfc_state [inout] A structure containing fields that describe the surface state of the ocean.
use_ice_shelf :: use_ice_shelf [in] If true, this configuration uses ice shelves.
time_step :: time_step [in] The coupling time step [T ~> s].
cs :: Pointer to the control structure for MOM_marine_ice

Called from:

ocean_model_mod::update_ocean_model

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subroutine mom_marine_ice/marine_ice_init(Time, G, param_file, diag, CS)

Initialize control structure for MOM_marine_ice.

Parameters:

time :: [in] Current model time
g :: [in] Ocean grid structure
param_file :: param_file [in] Runtime parameter handles
diag :: diag [inout] Diagnostics control structure
cs :: Pointer to the control structure for MOM_marine_ice

Call to:

mom_error_handler::mom_error

Called from:

ocean_model_mod::ocean_model_init

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