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Interferometric DEMs in Alpine Terrain - Limits and Options for ERS and SRTM

Eineder, Michael and Holzner, Jürgen (2000) Interferometric DEMs in Alpine Terrain - Limits and Options for ERS and SRTM. In: Proceedings of IGARSS'2000, unbekannt-unbekannt. IEEE Publications. IGARSS '00, Honolulu, Hawai, USA, 24.-28. July 2000. ISBN 0-7803-6362-0.

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With ERS tandem data being today's primary interferometeric data source, DEM generation is currently limited to moderate terrain. In general, layover and shadow affect the visiblity and resolution of SAR sensors in rugged terrain. As a consequence, classification and phase unwrapping of such data is difficult. Shuttle Radar Topography Mission SRTM X-SAR data is expected to give better results due to its viewing geometry and the high coherence, but it might still suffer from the problem under extreme conditions. Here we perform a quantitative analysis of the radar illumination conditions, using a digital elevation radar model. The potential benefit of combing data from different viewing geometries like incidence angle and orbit inclination are shown.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2001,
Title:Interferometric DEMs in Alpine Terrain - Limits and Options for ERS and SRTM
AuthorsInstitution or Email of Authors
Eineder, MichaelUNSPECIFIED
Holzner, JürgenUNSPECIFIED
Journal or Publication Title:Proceedings of IGARSS'2000
Page Range:unbekannt-unbekannt
Publisher:IEEE Publications
Keywords:Interferometry, Alpine Terrain, Rugged Terrain, ERS, SRTM, Layover, Shadow
Event Title:IGARSS '00, Honolulu, Hawai, USA, 24.-28. July 2000
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute
Deposited By: Cornelia Roehl
Deposited On:27 Jan 2006
Last Modified:06 Jan 2010 22:00

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