Application of SAR data to monitoring earth surface changes and displacement |
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| Institution: | 1. İstanbul Teknik Üniversitesi, Avrasya Yer Bilimleri Enstitüsü, TR34469, Maslak, Istanbul, Turkey;2. Istanbul Teknik Üniversitesi, Maden Fakültesi, Jeoloji Mühendisliği Bölümü, TR34469, Maslak, Istanbul, Turkey;3. Institut für Geowissenschaften, Universität Heidelberg, Im Neuenheimer Feld 234-236, 69120 Heidelberg, Germany;4. Klaus-Tschira-Labor für Kosmochemie, Im Neuenheimer Feld 234-236, 69120 Heidelberg, Germany;5. University of California Santa Barbara, Department of Earth Sciences, Santa Barbara, CA 93106, USA |
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| Abstract: | Surface changes and displacement caused by earthquake and volcanic activities can be detected by satellite radar interferometric technology using L-band JERS-1 SAR images. For the detection of the coseismic deformation of the Hyogoken-nanbu earthquake, interferometric analysis shows 0.6 meter surface displacement along the radar line-of-sight direction around Kobe City and 1.1 meter displacement in Awaji Island where epicenter is located. For the detection of volcanic body deformation in Iwo-jima, the analysis shows concentric circular subsiding displacement that agrees with the results of ground measurement. |
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