Monitoring of land subsidence around Kanto Plains of Japan by DInSAR and time series analysis

Konferenz: EUSAR 2010 - 8th European Conference on Synthetic Aperture Radar
07.06.2010 - 10.06.2010 in Aachen, Germany

Tagungsband: EUSAR 2010

Seiten: 4Sprache: EnglischTyp: PDF

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Deguchi, Tomonori (Nittetsu Mining Consultants Co., Ltd., Japan)
Rokugawa, Shuichi (The University of Tokyo, Japan)

In this study, the authors applied the method of measuring long-term land subsidence by combining DInSAR and time series analysis to Kanto Plains of Japan using ENVISAT/ASAR data. As a result of long-term land subsidence measurement over six years, unambiguous land deformation was detected in six areas: (i) Haneda Airport, (ii) Urayasu City, (iii) Kasukabe-Koshigaya, (iv) Southern Kanagawa, (v) Toride-Ryugasaki, and (vi) Kujukuri in Chiba Prefecture. In particular, the results for the Kujukuri area were compared with the leveling data taken around the same area to verify the measuring accuracy.