氾濫解析のためのPRISM DSMの活用とGPSを用いたその修正方法に関する研究
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概要
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The purpose of this study is to provide information about flood inundated areas for flood related risk assessment, mainly in local communities of developing countries where accurate Digital Surface Model (DSM) is not available. DSMs obtained by Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM) issued by Japan Aerospace Exploration Agency (JAXA) are globally available at 10m grid size. However, the vertical direction error is about 6m; therefore, PRISM DSM needs to be corrected. In this study, authors propose a method to modify the PRISM DSM with ground-based observation using a highly accurate GPS. This paper explains the characteristic of the DSM, the method to modify the DSM using the GPS, as well as the result of an inundation simulation implementing the modified DSM.
- Japan Society of Civil Engineersの論文
Japan Society of Civil Engineers | 論文
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