Status report on the remote sensing of current features by spaceborne synthetic aperture radar


Romeiser, R., Ufermann, S. and Kern, S. (2004) Status report on the remote sensing of current features by spaceborne synthetic aperture radar. In, Lacoste, H. (ed.) Proceedings of the Second Workshop on Coastal and Marine Applications of SAR. Second Workshop on Coastal and Marine Applications of SAR Noordwijk, The Netherlands, European Space Agency, 105-124. (ESA Special Publication SP-565).

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Description/Abstract

Spatial variations in ocean surface currents can become visible in synthetic aperture radar (SAR) images via hydrodynamic modulation of the surface roughness. The interpretation of such SAR signatures is a challenging problem, since the imaging mechanism is quite complex and nonlinear and cannot be inverted easily. Furthermore, the distinction between SAR signatures of current features and other phenomena can be difficult. However, SAR is the only existing technique for the observation of current variations on spatial scales of tens of meters from satellites. There is a vital demand for such information, particularly in coastal regions. A variety of algorithms have been developed for the retrieval of information on current features from SAR images for different purposes. We give an overview of the state of the art, existing and potential applications, and future perspectives and requirements.

Item Type: Book Section
Additional Information: Proceedings on CDROM
Keywords: remote sensing, SAR, current retrieval
Subjects: G Geography. Anthropology. Recreation > GC Oceanography
Divisions: University Structure - Pre August 2011 > School of Ocean & Earth Science (SOC/SOES)
ePrint ID: 9884
Date Deposited: 05 Nov 2004
Last Modified: 27 Mar 2014 18:01
URI: http://eprints.soton.ac.uk/id/eprint/9884

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