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Proceedings Paper

Altimetry backscattering signatures at Ku and S bands over land and ice sheets
Author(s): Fabien Blarel; Frédéric Frappart; Benoît Legrésy; Denis Blumstein; Frédérique Rémy; Christophe Fatras; Eric Mougin; Fabrice Papa; Catherine Prigent; Fernando Niño; Pierre Borderies; Sylvain Biancamaria; Stéphane Calmant
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Paper Abstract

Satellite radar altimetry, initially designed for studying ocean surface topography, demonstrated a strong potential for the continuous monitoring of ice sheets and land surfaces over the last 25 years. If radar altimetry is mostly used for its capacity to determine surface height, the backscattering coefficients provide information on the surface properties. Spatio-temporal variations of radar altimetry backscattering over land and ice sheets were related to the nature of the surface and its changes against time. This study presents the results of an along-track analysis of radar altimetry echoes over land, Antarctica and Greenland at Ku and S bands from June 2002 to July 2003 using the ERS-2 and ENVISAT datasets on their nominal orbit during the tandem phase of the two missions. Temporal average and deviations are presented at global scale for ascending and descending tracks for the two missions.

Paper Details

Date Published: 14 October 2015
PDF: 10 pages
Proc. SPIE 9637, Remote Sensing for Agriculture, Ecosystems, and Hydrology XVII, 963727 (14 October 2015); doi: 10.1117/12.2194498
Show Author Affiliations
Fabien Blarel, Observatoire Midi-Pyrénées (France)
Frédéric Frappart, Observatoire Midi-Pyrénées (France)
Benoît Legrésy, Observatoire Midi-Pyrénées (France)
Denis Blumstein, Ctr. National d'Études Spatiales (France)
Observatoire Midi-Pyrénées (France)
Frédérique Rémy, Observatoire Midi-Pyrénées (France)
Christophe Fatras, Observatoire Midi-Pyrénées (France)
Eric Mougin, Observatoire Midi-Pyrénées (France)
Fabrice Papa, Observatoire Midi-Pyrénées (France)
Catherine Prigent, Observatoire de Paris (France)
Fernando Niño, Observatoire Midi-Pyrénées (France)
Pierre Borderies, ONERA (France)
Sylvain Biancamaria, Observatoire Midi-Pyrénées (France)
Stéphane Calmant, Observatoire Midi-Pyrénées (France)

Published in SPIE Proceedings Vol. 9637:
Remote Sensing for Agriculture, Ecosystems, and Hydrology XVII
Christopher M. U. Neale; Antonino Maltese, Editor(s)

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