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Pi-SAR-L2 Observation of the Landslide Caused by Typhoon Wipha on Izu Oshima Island
https://jaxa.repo.nii.ac.jp/records/22651
https://jaxa.repo.nii.ac.jp/records/22651ddfe08ab-a1c8-4fa3-823a-eea6485c7958
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2016-05-31 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Pi-SAR-L2 Observation of the Landslide Caused by Typhoon Wipha on Izu Oshima Island | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | polarimetry | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | disaster | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | L-band SAR | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
渡邉, 学
× 渡邉, 学× Thapa, Rajesh Bahadur× 島田, 政信× Watanabe, Manabu× Thapa, Rajesh Bahadur× Shimada, Masanobu |
|||||
著者所属 | ||||||
宇宙航空研究開発機構地球観測研究センター(JAXA)(EORC) | ||||||
著者所属 | ||||||
宇宙航空研究開発機構地球観測研究センター(JAXA)(EORC) | ||||||
著者所属 | ||||||
宇宙航空研究開発機構地球観測研究センター(JAXA)(EORC): 東京電機大学 | ||||||
著者所属(英) | ||||||
en | ||||||
Earth Observation Research Center, Japan Aerospace Exploration Agency(JAXA)(EORC) | ||||||
著者所属(英) | ||||||
en | ||||||
Earth Observation Research Center, Japan Aerospace Exploration Agency(JAXA)(EORC) | ||||||
著者所属(英) | ||||||
en | ||||||
Earth Observation Research Center, Japan Aerospace Exploration Agency(JAXA)(EORC): Tokyo Denki University | ||||||
出版者(英) | ||||||
出版者 | Multidisciplinary Digital Publishing Institute | |||||
書誌情報 |
en : Remote Sensing 巻 8, 号 4, 発行日 2016-03-29 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Pi-SAR-L2 full polarimetic data observed in four different observational directions over a landslide area on Izu Oshima Island, induced by Typhoon Wipha on 16 October 2013, were analyzed to clarify the most appropriate L-band full polarimetric parameters and observational direction to detect a landslide area. Japanese airborne Pi-SAR-L2 and PiSAR-L data were used in this analysis. Several L-band full polarimetric parameters, including backscattering coefficient (σ deg), coherence between two polarimetric states, four-component decomposition parameters (double-bounce/volume/surface/helix scattering), and eigenvalue decomposition parameters (entropy/α/anisotropy), were calculated to determine the most appropriate parameters for detecting landslide areas. The change in land cover from forest before the disaster to bare soil after the disaster was detected well by α, and coherence between HH and VV. Observational data from the bottom to the top of the landslide detected the landslide well, whereas observations from the opposite sides were not as useful, indicating that a smaller local incident angle is better to distinguish landslide and forested areas. Soil from the landslide intruded into the urban areas; however, none of the full polarimetric parameters showed any significant differences between the landslide-affected urban areas after the disaster and unaffected areas before the disaster. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: カラー図版あり | |||||
内容記述(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Physical characteristics: Original contains color illustrations | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2072-4292 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.3390/rs8040282 | |||||
関連名称 | info:doi/10.3390/rs8040282 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: PA1610021000 |