Polarimetric SAR interferometry applied to land ice: modeling

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This paper introduces a few simple scattering models intended for the application of polarimetric SAR interfer-ometry to land ice. The principal aim is to eliminate the penetration bias hampering ice sheet elevation maps generated with single-channel SAR interferometry. The polarimetric coherent scattering models are similar to the oriented-volume model and the random-volume-over-ground model used in vegetation studies, but the ice models are adapted to the different geometry of land ice. Also, due to compaction, land ice is not uniform; a fact that must be taken into account for large penetration depths. The validity of the scattering models is examined using L-band polarimetric interferometric SAR data acquired with the EMISAR system over an ice cap located in the percolation zone of the Greenland ice sheet. Radar reflectors were deployed on the ice surface prior to the data acquisition in order to allow the ice surface to be determined. Some of the models do explain the observations made for the ice itself, but none of the models is consistent with both ice and reflector obser-vations.
Original languageEnglish
Title of host publicationProceedings of the EUSAR 2004 conference
Publication date2004
Pages247-250
Publication statusPublished - 2004
Event5th European Conference on Synthetic Aperture Radar - Ulm, Germany
Duration: 25 May 200427 May 2004
Conference number: 5

Conference

Conference5th European Conference on Synthetic Aperture Radar
Number5
CountryGermany
CityUlm
Period25/05/200427/05/2004
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