Towards an Operational Spaceborne System for High-Resolution Current Measurements in Coastal Areas
Romeiser, Roland and Runge, Hartmut and Breit, Helko and Eineder, Michael and Flamant, Pierre (2003) Towards an Operational Spaceborne System for High-Resolution Current Measurements in Coastal Areas. In: CD. OCEANS 2003, San Diego, USA, 22-26 September 2003.
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Official URL: http://www.oceans2003.com/pdf/Program080086.pdf
Along-track interferometric synthetic aperture radar (along-track InSAR) is a new technology for imaging surface current fields from airborne or spaceborne platforms with accuracies of 0.1 m/s or better, spatial resolutions on the order of 10 to 1000 m, and swath widths of up to more than 100 km, depending on platform and instrument parameters. This is particularly attractive for the mapping and monitoring of current fields in coastal areas. The SRTM experiment on a Space Shuttle in early 2000 offered a first chance to demonstrate current measurements by InSAR from space. Although the SRTM configuration was not well suited for current measurements and the coverage of the ocean was very limited, some images of coastal scenes exhibit clear signatures of typical surface current patterns, which have been found to be in good agreement with theoretical predictions and to resolve current variations on spatial scales of about 1 km. The German satellite TerraSAR-X, which will be launched in 2005, will offer similar current measuring capabilities. Concepts for more specific, further optimized InSAR missions for oceanic applications are currently under investigation. We give an overview of these developments.
|Document Type:||Conference or Workshop Item (Paper)|
|Title:||Towards an Operational Spaceborne System for High-Resolution Current Measurements in Coastal Areas|
|Journal or Publication Title:||CD|
|Keywords:||Along Track Interferometry, ATI, SAR, ocean currents|
|Event Title:||OCEANS 2003, San Diego, USA, 22-26 September 2003|
|Organizer:||MTS / IEEE|
|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:||09 May 2006|
|Last Modified:||06 Jan 2010 22:20|
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