Title: Tsunami Damage Assessment with Satellite Radar
Citation: Proceedings of the URSI-F Symposium on Microwave Remote Sensing
Publisher: URSI-F
Publication Year: 2005
JRC N°: JRC30979
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC30979
Type: Articles in periodicals and books
Abstract: Medium (25 meter) resolution satellite radar imagery was used to identify damage from the SE Asia tsunami of December 2004. Several analysis methods were used on test areas over the Andaman and Nicobar Islands and NW Sumatra: visual assessment of before-after colour composites, pixel-based CFAR ratio change detection, and object-based classification and change detection. For validation, results were compared with optical high-resolution imagery and local reports. It is concluded that medium resolution radar imagery can detect coastal damage, coastline changes, inundation and areas of razed vegetation. It cannot reliably detect damage to built-up areas, roads and bridges.
JRC Directorate:Space, Security and Migration

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