Special Section on Remote Sensing for Coupled Natural Systems and Built Environments

Comparative analysis for detecting areas with building damage from several destructive earthquakes using satellite synthetic aperture radar images

[+] Author Affiliations
Masashi Matsuoka

National Institute of Advanced Industrial Science and Technology, Site 2, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568 Japan

Fumio Yamazaki

Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba, Chiba 263-8522 Japan

J. Appl. Remote Sens. 4(1), 041867 (November 18, 2010). doi:10.1117/1.3525581
History: Received May 12, 2010; Revised November 12, 2010; Accepted November 16, 2010; November 18, 2010; Online November 18, 2010
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Abstract

Earthquakes that have caused large-scale damage in developed areas, such as the 1994 Northridge and 1995 Kobe events, remind us of the importance of making quick damage assessments in order to facilitate the resumption of normal activities and restoration planning. Synthetic aperture radar (SAR) can be used to record physical aspects of the Earth's surface under any weather conditions, making it a powerful tool in the development of an applicable method for assessing damage following natural disasters. Detailed building damage data recorded on the ground following the 1995 Kobe earthquake may provide an invaluable opportunity to investigate the relationship between the backscattering properties and the degree of damage. This paper aims to investigate the differences between the backscattering coefficients and the correlations derived from pre- and post-earthquake SAR intensity images to smoothly detect areas with building damage. This method was then applied to SAR images recorded over the areas affected by the 1999 Kocaeli earthquake in Turkey, the 2001 Gujarat earthquake in India, and the 2003 Boumerdes earthquake in Algeria. The accuracy of the proposed method was examined and confirmed by comparing the results of the SAR analyses with the field survey data.

© 2010 Society of Photo-Optical Instrumentation Engineers

Citation

Masashi Matsuoka and Fumio Yamazaki
"Comparative analysis for detecting areas with building damage from several destructive earthquakes using satellite synthetic aperture radar images", J. Appl. Remote Sens. 4(1), 041867 (November 18, 2010). ; http://dx.doi.org/10.1117/1.3525581


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