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Summary of Proposal GEO1202

TitleApplication of InSAR to measure surface displacement over Mountain Baekdu Volcano
Investigator Hong, Sang-Hoon - Korea Polar Research Institute, Division of Polar Ocean Environment
Team Member
Dr. Lee, Chang-Wook - US Geologican Survey, Cascades Volcano Observatory
Dr. Lu, Zhong - US Geological Survey, Cascades Volcano Observatory
Prof. Jung, Hyung-Sup - University of Seoul, De[artment of Geo-Infomatics
Prof. Amelung, Falk - University of Miami, Division of Marine Geology and Geophysics
Prof. Wdowinski, Shimon - University of Miami, Division of Marine Geology and Geophysics
Prof. Won, Joong-Sun - Yonsei University, Department of Earth System Science
Prof. Kim, Sang-Wan - Sejong University, Geoinformation Engineering
Dr. Kim, Youn-Soo - Korea Aerospace Research Institute, Satellite Data Application Department
SummaryMt. Baekdu, also known as Changbai Mountain on the border between North Korea and China, is a stratovolcano whose cone is truncated by a large caldera. Recently frequent seismic activities were reported in public press, suggesting the possible resume of the volcanic activities. As a team with vast experience in InSAR, PSI and SBAS and deformation monitoring, we propose to monitor surface’s displacement by providing space-based observations of the state of volcanic processes. In previous studies, we demonstrated that L- and C-band PSI technique can measure the time series of the subsidence in urban area with a few millimeters precision. Here we propose to apply PSI technique to investigate volcanic surface’s displacement at Mt Baekdu volcano. After testing and developing the PSI algorithm and measuring the displacement, we would like to monitor continuously for a long term with the X-band SAR data. We believe that the PSI application with the X-band data can provide a time series of displacement observations that are critical for understanding the state of volcano and better hazard mitigation.

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