The comparison of two differential interferometry techniques for the monitoring of geodynamic events
Adam, Nico and Jonsson, Sigurjon (1997) The comparison of two differential interferometry techniques for the monitoring of geodynamic events. In: SPIE Proceedings Vol. 3222, Earth Surface Remote Sensing. SPIE--The International Society for Optical Engineering, P.O. Box 10, Bellingham, Washington, 98227-0010, USA.. SPIE, London, 1997. ISBN 0-8194-2654-7.
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Official URL: http://www.spie.org/web/abstracts/3200/3222.html
The Synthetic Aperture Radar (SAR) data acquired from the satellites ERS1 and ERS2 facilitate the extensive and astonishingly precise investigation of small displacements of the Earths surface. Measurements of displacements are possible by differential SAR interferometry (DInSAR) with centimeter accuracy. A detailed description of the DInSAR system is presented to clarify the basic observation procedure. The DInSAR system is an extension of the operational InSAR processor GENESIS developed by the German Aerospace Research Establishment (DLR). The modular concept of the DInSAR system permits a choice of different algorithms. Accordingly, the displacement can be extracted from an interferogram using a digital elevation model (DEM) as well as from two interferograms. Both techniques are illustrated and compared by a common data set. The geocoding and the various visualizations of the resulting data set support an easy application of this monitoring procedure in geosciences. Iceland is an especially suitable test site for differential SAR interferometry, because of its active tectonics, volcanism and flowing glaciers. Results of two Icelandic test sites are presented as applications.
|Document Type:||Conference or Workshop Item (Paper)|
|Title:||The comparison of two differential interferometry techniques for the monitoring of geodynamic events|
|Journal or Publication Title:||SPIE Proceedings Vol. 3222, Earth Surface Remote Sensing|
|Publisher:||SPIE--The International Society for Optical Engineering, P.O. Box 10, Bellingham, Washington, 98227-0010, USA.|
|Keywords:||Interferometry, DInSAR, Displacement Monitoring, ERS1, ERS2|
|Event Title:||SPIE, London, 1997|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Remote Sensing Technology Institute|
|Deposited By:||Cornelia Roehl|
|Deposited On:||25 Jan 2006|
|Last Modified:||06 Jan 2010 22:12|
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