coord_slight coord_slight::slight_cs subroutine, public subroutine, public coord_slight::init_coord_slight (CS, nk, ref_pressure, target_density, interp_CS, m_to_H) init_coord_slight CS CS nk nk ref_pressure ref_pressure target_density target_density interp_CS interp_CS m_to_H m_to_H Initialise a slight_CS with pointers to parameters. cs Unassociated pointer to hold the control structure nk Number of layers in the grid ref_pressure Coordinate reference pressure [R L2 T-2 ~> Pa] target_density Nominal density of interfaces [R ~> kg m-3] interp_cs Controls for interpolation m_to_h A conversion factor from m to the units of thicknesses mom_error_handler::mom_error mom_regridding::initcoord subroutine, public subroutine, public coord_slight::end_coord_slight (CS) end_coord_slight CS CS This subroutine deallocates memory in the control structure for the coord_slight module. cs Coordinate control structure mom_regridding::end_regridding subroutine, public subroutine, public coord_slight::set_slight_params (CS, max_interface_depths, max_layer_thickness, min_thickness, compressibility_fraction, dz_ml_min, nz_fixed_surface, Rho_ML_avg_depth, nlay_ML_offset, fix_haloclines, halocline_filter_length, halocline_strat_tol, interp_CS) set_slight_params CS CS max_interface_depths max_interface_depths max_layer_thickness max_layer_thickness min_thickness min_thickness compressibility_fraction compressibility_fraction dz_ml_min dz_ml_min nz_fixed_surface nz_fixed_surface Rho_ML_avg_depth Rho_ML_avg_depth nlay_ML_offset nlay_ML_offset fix_haloclines fix_haloclines halocline_filter_length halocline_filter_length halocline_strat_tol halocline_strat_tol interp_CS interp_CS This subroutine can be used to set the parameters for the coord_slight module. cs Coordinate control structure max_interface_depths Maximum depths of interfaces [H ~> m or kg m-2] max_layer_thickness Maximum thicknesses of layers [H ~> m or kg m-2] min_thickness Minimum thickness allowed when building the new grid through regridding [H ~> m or kg m-2] compressibility_fraction Fraction (between 0 and 1) of compressibility to add to potential density profiles when interpolating for target grid positions. [nondim] dz_ml_min The fixed resolution in the topmost SLight_nkml_min layers [H ~> m or kg m-2] nz_fixed_surface The number of fixed-thickness layers at the top of the model rho_ml_avg_depth Depth over which to average to determine the mixed layer potential density [H ~> m or kg m-2] nlay_ml_offset Number of layers to offset the mixed layer density to find resolved stratification [nondim] fix_haloclines If true, detect regions with much weaker than based on in-situ density, and use a stretched coordinate there. halocline_filter_length A length scale over which to filter T & S when looking for spuriously unstable water mass profiles [H ~> m or kg m-2]. halocline_strat_tol A value of the stratification ratio that defines a problematic halocline region [nondim]. interp_cs Controls for interpolation mom_error_handler::mom_error mom_regridding::set_regrid_max_depths mom_regridding::set_regrid_max_thickness mom_regridding::set_regrid_params subroutine, public subroutine, public coord_slight::build_slight_column (CS, eqn_of_state, H_to_pres, H_subroundoff, nz, depth, h_col, T_col, S_col, p_col, z_col, z_col_new, h_neglect, h_neglect_edge) build_slight_column CS CS eqn_of_state eqn_of_state H_to_pres H_to_pres H_subroundoff H_subroundoff nz nz depth depth h_col h_col T_col T_col S_col S_col p_col p_col z_col z_col z_col_new z_col_new h_neglect h_neglect h_neglect_edge h_neglect_edge Build a SLight coordinate column. cs Coordinate control structure eqn_of_state Equation of state structure h_to_pres A conversion factor from thicknesses to scaled pressure [R L2 T-2 H-1 ~> Pa m-1 or Pa m2 kg-1] h_subroundoff GVH_subroundoff nz Number of levels depth Depth of ocean bottom (positive [H ~> m or kg m-2]) t_col T for column s_col S for column h_col Layer thicknesses [H ~> m or kg m-2] p_col Layer center pressure [R L2 T-2 ~> Pa] z_col Interface positions relative to the surface [H ~> m or kg m-2] z_col_new Absolute positions of interfaces [H ~> m or kg m-2] h_neglect A negligibly small width for the purpose of cell reconstructions [H ~> m or kg m-2]. h_neglect_edge A negligibly small width for the purpose of edge value calculations [H ~> m or kg m-2]. mom_error_handler::mom_error rho_interfaces_col mom_regridding::build_grid_slight subroutine subroutine coord_slight::rho_interfaces_col (rho_col, h_col, z_col, rho_tgt, nz, z_col_new, CS, reliable, debug, h_neglect, h_neglect_edge) rho_interfaces_col rho_col rho_col h_col h_col z_col z_col rho_tgt rho_tgt nz nz z_col_new z_col_new CS CS reliable reliable debug debug h_neglect h_neglect h_neglect_edge h_neglect_edge Finds the new interface locations in a column of water that match the prescribed target densities. nz Number of layers rho_col Initial layer reference densities [R ~> kg m-3]. h_col Initial layer thicknesses [H ~> m or kg m-2]. z_col Initial interface heights [H ~> m or kg m-2]. rho_tgt Interface target densities. z_col_new New interface heights [H ~> m or kg m-2]. cs Coordinate control structure reliable If true, the interface positions are well defined from a stable region. debug If present and true, do debugging checks. h_neglect A negligibly small width for the purpose of cell reconstructions [H ~> m or kg m-2] h_neglect_edge A negligibly small width for the purpose of edge value calculations [H ~> m or kg m-2] mom_error_handler::mom_error regrid_interp::nr_iterations regrid_interp::nr_tolerance build_slight_column Regrid columns for the SLight coordinate.