Damage estimation of the Great East Japan Earthquake by NICT airborne SAR (Pi-SAR2)

被引：0
|
作者：
Satake, Makoto [1 ]
Kobayashi, Tatsuharu [1 ]
Uemoto, Jyunpei [1 ]
Umehara, Toshihiko [1 ]
Uratsuka, Seiho [1 ]
机构：
[1] Natl Inst Informat & Commun Technol NICT, Koganei, Tokyo 1848795, Japan
来源：
LAND SURFACE REMOTE SENSING | 2012年 / 8524卷
关键词：
Imaging radar; polarimetric radar; synthetic aperture radar;
D O I：
10.1117/12.977613
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
In 2011 a 9.0-magnitude earthquake occurred off the pacific coast of Tohoku area of Japan. Accompanied with the subsequent tsunami, it caused serious damages on buildings, infrastructures and so on, in the coast area. We made observations of the damaged areas by the NICT airborne X-band synthetic aperture radar (SAR) system, "Pi-SAR2", immediately after the earthquake. Pi-SAR2 can produce fully polarimetric radar images with high spatial resolution of 0.3 m. The image data were used to estimate the damages in detail and quantitatively. We have found that the high resolution radar image data are useful to estimate damaged buildings, flooded areas and amount of debris. Multi-temporal observations are essential to reveal those changes.
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页数：4
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