Title :
ENVISAT multipolarised ASAR data for flood mapping
Abstract :
During the August 2002 Elbe river flood, different satellite data were acquired, and especially ASAR data from ENVISAT. The advanced synthetic aperture radar instrument was activated in different image modes. Thus, the comparison with quasi-simultaneous ERS-2 data enables to evaluate the contribution of polarisation configurations on flood surface detection. This study highlights the increased capabilities of ASAR for flood mapping, especially benefit of a common use of like- and cross-polarisations.
Keywords :
floods; hydrological techniques; radar polarimetry; remote sensing by radar; spaceborne radar; synthetic aperture radar; terrain mapping; ENVISAT multipolarised ASAR data; ERS-2 data; Elbe river flood; advanced synthetic aperture radar; cross-polarisation; flood mapping; flood surface detection; image modes; like-polarisation; polarisation configurations; satellite data acquisition; Floods; Histograms; Land surface; Performance analysis; Performance evaluation; Polarization; Remote sensing; Rough surfaces; Satellites; Surface roughness;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2003. IGARSS '03. Proceedings. 2003 IEEE International
Print_ISBN :
0-7803-7929-2
DOI :
10.1109/IGARSS.2003.1294036
