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  1. 防災科研関係論文

Monitoring of the 2018 Kilauea's eruption in the lower East Rift Zone using multi-temporal PALSAR-2 imagery

https://nied-repo.bosai.go.jp/records/2942
https://nied-repo.bosai.go.jp/records/2942
6431297a-e7d1-4341-b77a-808db2acbcbd
Item type researchmap(1)
公開日 2023-03-30
タイトル
言語 en
タイトル Monitoring of the 2018 Kilauea's eruption in the lower East Rift Zone using multi-temporal PALSAR-2 imagery
著者 Wen Liu

× Wen Liu

en Wen Liu

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Fumio Yamazaki

× Fumio Yamazaki

en Fumio Yamazaki

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抄録
内容記述タイプ Other
内容記述 c 2019 IEEE. A large eruption occurred in Kilauea volcano's East Rift Zone (ERZ) on the island of Hawaii, U.S.A., from May 3 to September 4, 2018. Twenty-four fissures erupted lava near Leilani Estates and destroyed more than 700 houses. In this study, four pre-event and six co-event ALOS-2 PALSAR-2 images acquired from two neighboring ascending paths were applied to monitor the surface deformation and the expansion of lava flows on the ERZ. The deformation was estimated by the differential interferometric analysis. During the eruption, both Halema'uma'u Crater and Pu'u 'O'o Crater went away from the PALSAR-2 sensor, whereas the Leilani Estates moved close to the sensor direction. The obtained movements were verified by comparing with GPS records. The lava flows from the Leilani Estates to the Pacific Ocean were detected by low backscattering in the intensity images. Finally, multi-temporal maps of the lava flows were created and compared with the maps published by U. S. Geological Survey.
言語 en
書誌情報 en : 2019 6th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2019

発行日 2019-11
DOI
関連識別子 10.1109/APSAR46974.2019.9048324
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