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Title: Airborne Ku-band polarimetric radar remote sensing of terrestrial snow cover
Authors: Yueh, Simon
Cline, Donald
Elder, Kelly
Keywords: microwave remote sensing
snow water
Issue Date: 26-May-2008
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2008.
Citation: 2008 IEEE Radar Conference. May 26, 2008. Rome, Italy
Abstract: Preliminary analyses of the POLSCAT data acquired from the CLPX-II in winter 2006-2007 are described in this paper. The data showed the response of the Ku-band radar echoes to snowpack changes for various types of background vegetation. We observed about 0.2 to 0.4 dB increases in backscatter for every 1 cm SWE accumulation for sage brush and agricultural fields. The co-polarized VV and HH radar resposnes are similar, while the corss-polarized (VH or HV) echoes showed greater resposne to the change of SWE. The data also showed the impact of surface hoar growth and freeze/thaw cycles, which created large snow grain sizes and ice lenses, respectively, and consequently increased the radar signals by a few dBs.
Appears in Collections:JPL TRS 1992+

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