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	Comparison of ASAR IM Data and ASAR WS Data in Investigating Co-seismic Deformation of Yutian Earthquake
	Cui, Xi&apos ; Zeng, Qiming ; Liang, Cunren ; Jiao, Jian ; ai
	2010
英文摘要	An Ms 7.3 earthquake occurred in Yutian (Mar. 21, 2008 local time in China), which is located in Xinjiang Province, several hundred kilometers north of the convergent India-Eurasia plate boundary. Up to 2,200 houses were damaged or flattened and four houses collapsed. The earthquake cost great direct economic losses. In our research, we use Differential Interferometric Synthetic Aperture Radar (D-InSAR) technology to study the co-seismic deformation of the Yutian earthquake and get IM/IM interferogram and WS/WS interferogram. The IM/IM interferogram has fair fringes, showing the deformation clearly in two dimensions. And in the IM/IM interferogram we can find that 105 km width of the IM mode data is not enough to cover the northwestern region of the fault. Due to the limited coverage of IM mode data we can not get the complete co-seismic deformation field. The 405 km width of the WS mode data can overcome this shortcoming. And in the displacement result using the WS data, we can clearly observe that the northwestern region falls and the southeastern region rises. The maximum falling amount is 54 cm and the maximum rising amount is 65 cm. Both the IM/IM interferogram and the WS/WS interferogram can provide useful information about this specific earthquake for the seismological researchers. By comparing the two modes (IM and WS) in investigating co-seismic deformation of the earthquake, we can get more reliable conclusion about Yutian Earthquake.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000305504900306&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Engineering, Electrical & Electronic; Physics, Applied; EI; CPCI-S(ISTP); 0
语种	英语
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/311965]
专题	地球与空间科学学院
推荐引用方式 GB/T 7714	Cui, Xi&apos,Zeng, Qiming,Liang, Cunren,et al. Comparison of ASAR IM Data and ASAR WS Data in Investigating Co-seismic Deformation of Yutian Earthquake. 2010-01-01.

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