mom_ice_shelf_initialize module reference

Initialize ice shelf variables.

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Functions/Subroutines

initialize_ice_thickness()	Initialize ice shelf thickness.
initialize_ice_thickness_from_file()	Initialize ice shelf thickness from file.
initialize_ice_thickness_channel()	Initialize ice shelf thickness for a channel configuration.
initialize_ice_shelf_boundary_channel()	Initialize ice shelf boundary conditions for a channel configuration.
initialize_ice_flow_from_file()	Initialize ice shelf flow from file.
initialize_ice_shelf_boundary_from_file()	Initialize ice shelf b.c.s from file.
initialize_ice_c_basal_friction()	Initialize ice basal friction.
initialize_ice_aglen()	Initialize ice-stiffness parameter.
initialize_ice_smb()	Initialize ice surface mass balance field that is held constant over time.

Detailed Description

Initialize ice shelf variables.

Function/Subroutine Documentation

subroutine mom_ice_shelf_initialize/initialize_ice_thickness(h_shelf, area_shelf_h, hmask, G, G_in, US, PF, rotate_index, turns)

Initialize ice shelf thickness.

Parameters:

• g :: [in] The ocean’s grid structure

• g_in :: [in] The ocean’s unrotated grid structure

• h_shelf :: [inout] The ice shelf thickness [Z ~> m].

• area_shelf_h :: [inout] The area per cell covered by the ice shelf [L2 ~> m2].

• hmask :: [inout] A mask indicating which tracer points are

• us :: [in] A structure containing unit conversion factors

• pf :: [in] A structure to parse for run-time parameters

• rotate_index :: [in] If true, this is a rotation test

• turns :: [in] Number of turns for rotation test

Call to:

initialize_ice_thickness_channel initialize_ice_thickness_from_file mom_error_handler::mom_error user_shelf_init::user_init_ice_thickness

Called from:

mom_ice_shelf::initialize_ice_shelf

subroutine mom_ice_shelf_initialize/initialize_ice_thickness_from_file(h_shelf, area_shelf_h, hmask, G, US, PF)

Initialize ice shelf thickness from file.

Parameters:

• g :: [in] The ocean’s grid structure

• h_shelf :: [inout] The ice shelf thickness [Z ~> m].

• area_shelf_h :: [inout] The area per cell covered by the ice shelf [L2 ~> m2].

• hmask :: [inout] A mask indicating which tracer points are

• us :: [in] A structure containing unit conversion factors

• pf :: [in] A structure to parse for run-time parameters

Call to:

mom_error_handler::mom_error mom_error_handler::mom_mesg

Called from:

initialize_ice_thickness

subroutine mom_ice_shelf_initialize/initialize_ice_thickness_channel(h_shelf, area_shelf_h, hmask, G, US, PF)

Initialize ice shelf thickness for a channel configuration.

Parameters:

• g :: [in] The ocean’s grid structure

• h_shelf :: [inout] The ice shelf thickness [Z ~> m].

• area_shelf_h :: [inout] The area per cell covered by the ice shelf [L2 ~> m2].

• hmask :: [inout] A mask indicating which tracer points are

• us :: [in] A structure containing unit conversion factors

• pf :: [in] A structure to parse for run-time parameters

Call to:

mom_error_handler::mom_mesg

Called from:

initialize_ice_thickness

subroutine mom_ice_shelf_initialize/initialize_ice_shelf_boundary_channel(u_face_mask_bdry, v_face_mask_bdry, u_flux_bdry_val, v_flux_bdry_val, u_bdry_val, v_bdry_val, u_shelf, v_shelf, h_bdry_val, hmask, h_shelf, G, US, PF)

Initialize ice shelf boundary conditions for a channel configuration.

Parameters:

• g :: [in] The ocean’s grid structure

• u_face_mask_bdry :: [inout] A boundary-type mask at C-grid u faces

• u_flux_bdry_val :: [inout] The boundary thickness flux through

• v_face_mask_bdry :: [inout] A boundary-type mask at C-grid v faces

• v_flux_bdry_val :: [inout] The boundary thickness flux through

• u_bdry_val :: [inout] The zonal ice shelf velocity at open

• v_bdry_val :: [inout] The meridional ice shelf velocity at open

• u_shelf :: [inout] The zonal ice shelf velocity [L T-1 ~> m s-1].

• v_shelf :: [inout] The meridional ice shelf velocity [L T-1 ~> m s-1].

• h_bdry_val :: [inout] The ice shelf thickness at open boundaries [Z ~> m]

• hmask :: [inout] A mask indicating which tracer points are

• h_shelf :: [inout] Ice-shelf thickness [Z ~> m]

• us :: [in] A structure containing unit conversion factors

• pf :: [in] A structure to parse for run-time parameters

Call to:

mom_error_handler::mom_mesg

subroutine mom_ice_shelf_initialize/initialize_ice_flow_from_file(bed_elev, u_shelf, v_shelf, float_cond, G, US, PF)

Initialize ice shelf flow from file.

Parameters:

• g :: [in] The ocean’s grid structure

• bed_elev :: [inout] The bed elevation [Z ~> m].

• u_shelf :: [inout] The zonal ice shelf velocity [L T-1 ~> m s-1].

• v_shelf :: [inout] The meridional ice shelf velocity [L T-1 ~> m s-1].

• float_cond :: [inout] An array indicating where the ice

• us :: [in] A structure containing unit conversion factors

• pf :: [in] A structure to parse for run-time parameters

Call to:

mom_error_handler::mom_error mom_error_handler::mom_mesg

subroutine mom_ice_shelf_initialize/initialize_ice_shelf_boundary_from_file(u_face_mask_bdry, v_face_mask_bdry, u_bdry_val, v_bdry_val, umask, vmask, h_bdry_val, hmask, h_shelf, G, US, PF)

Initialize ice shelf b.c.s from file.

Parameters:

• g :: [in] The ocean’s grid structure

• u_face_mask_bdry :: [inout] A boundary-type mask at B-grid u faces [nondim]

• v_face_mask_bdry :: [inout] A boundary-type mask at B-grid v faces [nondim]

• u_bdry_val :: [inout] The zonal ice shelf velocity at open

• v_bdry_val :: [inout] The meridional ice shelf velocity at open

• umask :: [inout] A mask for ice shelf velocity [nondim]

• vmask :: [inout] A mask for ice shelf velocity [nondim]

• h_bdry_val :: [inout] The ice shelf thickness at open boundaries [Z ~> m]

• hmask :: [inout] A mask indicating which tracer points are

• h_shelf :: [in] Ice-shelf thickness [Z ~> m]

• us :: [in] A structure containing unit conversion factors

• pf :: [in] A structure to parse for run-time parameters

Call to:

mom_error_handler::mom_error mom_error_handler::mom_mesg

subroutine mom_ice_shelf_initialize/initialize_ice_c_basal_friction(C_basal_friction, G, US, PF)

Initialize ice basal friction.

Parameters:

• g :: [in] The ocean’s grid structure

• c_basal_friction :: [inout] Ice-stream basal friction

• us :: [in] A structure containing unit conversion factors

• pf :: [in] A structure to parse for run-time parameters

Call to:

mom_error_handler::mom_error mom_error_handler::mom_mesg

subroutine mom_ice_shelf_initialize/initialize_ice_aglen(AGlen, ice_viscosity_compute, G, US, PF)

Initialize ice-stiffness parameter.

Parameters:

• g :: [in] The ocean’s grid structure

• aglen :: [inout] The ice-stiffness parameter A_Glen, often in [Pa-3 s-1]

• ice_viscosity_compute :: Specifies whether the ice viscosity is computed internally according to Glen’s flow law; is constant (for debugging purposes) or using observed strain rates and read from a file

• us :: [in] A structure containing unit conversion factors

• pf :: [in] A structure to parse for run-time parameters

Call to:

mom_error_handler::mom_error mom_error_handler::mom_mesg

Called from:

mom_ice_shelf_dynamics::initialize_ice_shelf_dyn

subroutine mom_ice_shelf_initialize/initialize_ice_smb(SMB, G, US, PF)

Initialize ice surface mass balance field that is held constant over time.

Parameters:

• g :: [in] The ocean’s grid structure

• smb :: [inout] Ice surface mass balance parameter, often in [kg m-2 s-1]

• us :: [in] A structure containing unit conversion factors

• pf :: [in] A structure to parse for run-time parameters

Call to:

mom_error_handler::mom_error mom_error_handler::mom_mesg

Called from:

mom6