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Earth Science Products from ASTER

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Product Name Product Definition Product Units Spatial Resolution Temporal Resolution Coverage Area Product Format Period of Product Availability
Surface Emissivity Ratio of radiation emitted by a blackbody or a surface and the theoretical radiation predicted by Planck’s law Dimensionless 90 m Daily Global [on demand] HDF-EOS 2000-present
Surface Reflectance VNIR The reflectance of the surface in Visible Near Infrared (VNIR). Dimensionless 15 m Daily Global [on demand] HDF-EOS 2000-present
Surface Reflectance SWIR The reflectance of the surface in Short Wave Near Infrared (SWIR). Dimensionless 30 m Daily Global [on demand] HDF-EOS 2000-present
Surface Temperature deg. K 90 m Daily Global [on demand] HDF-EOS 2000-present
Surface Radiance VNIR Amount of light radiated from a surface in the VNIR into a given solid angle per unit area. W/m2/sr/µm 15 m Daily Global [on demand] HDF-EOS 2000-present
Surface Radiance SWIR Amount of light radiated from a surface in the SWIR into a given solid angle per unit area. W/m2/sr/µm 30 m Daily Global [on demand] HDF-EOS 2000-present
Surface Radiance TIR Amount of light radiated from a surface in the toal infrared (TIR) into a given solid angle per unit area. W/m2/sr/µm 90 m Daily Global [on demand] HDF-EOS 2000-present
Polar Surface and Cloud Classification A classification map discriminating between surface and cloud features over polar areas using numerical values. [1] water, [2] snow/ice, [3] ice cloud, [4] land, [5] thin water cloud, [6] water cloud over water, [8] sea ice, [12] water cloud over land, [30] bare ground/tundra 30 m Daily Global [on demand] HDF-EOS 2000-present


NASA Task | Recent Changes

Last edited October 24, 2006 10:41 am by 10.40.160.73