書誌事項
- タイトル別名
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- Web-GIS Based Active Fault Information System for the Itoigawa-Shizuoka Tectonic Line
抄録
The geographical information with regard to active faults (for example; precise location, cumulative amount and shape of deformation, and slip-rate) is compiled on the “Web-GIS based active fault information system for the Itoi-gawa-Shizuoka Tectonic Line”. This can be a compilation of the basic information not only for earthquake anticipa-tion, but also for land use planning in order to mitigate earthquake disaster. These fundamental data and visual graphics illustrating the relation between active faults and tectonic landforms are compiled on the system, which became opened for public. We are here presenting methodology for constituting the system as an effected hazard map toward disaster mitigation. Tectonic geomorphological survey of the northern and middle Itoigawa-Shizuoka Tectonic Line was conducted and it clarifies the detailed distribution of the slip-rates of the fault. That would enable us to forecast the behavior of the fault and to estimate the strong ground motion associated with an earthquake. Fur-thermore, the digital elevation model with high density and high precision was constructed photogrammetrically by using 1:15,000 scale aerial photographs. The aerial photographs taken in the 1940s or 1960s were also used in areas where tectonic landforms had already been artificially modified; this was intended to reconstruct the original land-forms. The landform deformations by faulting were analyzed densely from many transactions that were measured under the photogrammetrical system.
収録刊行物
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- E-journal GEO
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E-journal GEO 4 (1), 37-46, 2009
公益社団法人 日本地理学会
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詳細情報 詳細情報について
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- CRID
- 1390001205324341248
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- NII論文ID
- 130000254876
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- ISSN
- 18808107
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- データソース種別
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- JaLC
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- 抄録ライセンスフラグ
- 使用不可