GISと数量化理論を用いた土砂災害ハザードマップ作成技術の高度化手法の提案(<小特集>豪雨災害と防災)

概要

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A new Geographical Information System(GIS)-based slope failure hazard mapping method using Hayashi's quantification methods theory is proposed and applied to in a slope failure prone area in Minamata City of Kumamoto Prefecture. In the past, Hayashi's quantification methods theory is often used in slope failure hazard mapping, however, the preparation work of larger spatial data is very hard. And the work efficiency is low and reliability of the results are doubtful sometime. In this research, a series of GIS-based spatial data preparation method is proposed for quantification methods theory analysis and the results of the analysis results can be input into GIS to make hazard map directly. The application of proposed method on Minamata area shows that created hazard map has good agreement with real slope failure condition.
社団法人地盤工学会の論文
2007-06-01