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Workspace Method SurfaceFastem
Description
FASTEM sea surface microwave emissivity parametrization. The variable surface_props_data must contain these data: "Water skin temperature" "Wind speed" "Wind direction" "Salinity" For some details and comments see FastemStandAlone and surfaceFastem.
Authors: Patrick Eriksson
Synopsis
SurfaceFastem( | surface_los, surface_rmatrix, dsurface_rmatrix_dx, surface_emission, dsurface_emission_dx, stokes_dim, atmosphere_dim, lat_grid, lon_grid, f_grid, rtp_pos, rtp_los, surface_props_data, surface_props_names, dsurface_names, jacobian_do, transmittance, fastem_version ) |
Variables
OUT | surface_los | (Matrix) | Downwelling radiation directions to consider in surface reflection. |
OUT | surface_rmatrix | (Tensor4) | The reflection coefficients for the directions given by surface_los to the direction of interest. |
OUT+IN | dsurface_rmatrix_dx | (ArrayOfTensor4) | The derivative of surface_rmatrix with respect to quantities listed in dsurface_names. |
OUT | surface_emission | (Matrix) | The emission from the surface. |
OUT+IN | dsurface_emission_dx | (ArrayOfMatrix) | The derivative of surface_emission with respect to quantities listed in dsurface_names. |
IN | stokes_dim | (Index) | The dimensionality of the Stokes vector (1-4). |
IN | atmosphere_dim | (Index) | The atmospheric dimensionality (1-3). |
IN | lat_grid | (Vector) | The latitude grid. |
IN | lon_grid | (Vector) | The longitude grid. |
IN | f_grid | (Vector) | The frequency grid for monochromatic pencil beam calculations. |
IN | rtp_pos | (Vector) | Position of a radiative transfer point. |
IN | rtp_los | (Vector) | Line-of-sight at a radiative transfer point. |
IN | surface_props_data | (Tensor3) | Various surface properties. |
IN | surface_props_names | (ArrayOfString) | Name on surface properties found in surface_props_data. |
IN | dsurface_names | (ArrayOfString) | Name of surface retrieval quantities. |
IN | jacobian_do | (Index) | Flag to activate (clear-sky) Jacobian calculations. |
GIN | transmittance | (Vector) | Transmittance along path of downwelling radiation. A vector with the same length as f_grid. |
GIN | fastem_version | (Index, Default: 6) | The version of FASTEM to use. |