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What are the bands in an ASTER scene?

April 26, 2017aster bands scene

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What are the bands in an ASTER scene?

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In Freeview and in the HEG Tool (under Objects) you will note that a variety of bands are available from a single ASTER HDF-EOS Swath file. Each band has a different spectral range. • ImageData1, 2, 3N are Visible & Near infrared (VNIR) imagery at 15m resolution acquired at nadir (straight overhead). • ImageData3B is the back-looking image acquired subsequently and used as a stereo-pair for DEM production • ImageData4-9 are Short-Wave Infrared (SWIR) bands at 30m resolution, a longer wavelength, set at nadir. • ImageData10-14 are Thermal Infrared (TIR) bands at 90m resolution, longer wavelength yet, set at nadir. You may read more about the applications of these bands at the JPL ASTER website and the USGS ASTER website. I used Bands 2 and 3n for this seasonality and vegetative production study in the Colca Valley. For instructions about processing ASTER DEM files for use in Arcmap see this article.