THE STUDY ON VALIDATION OF SEDIMENT DISASTER AT THE TOTSUKAWA RIVER BASIN AND METHOD OF EVACUATION DECISION-MAKING SUPPORT

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  • 十津川流域で発生した土砂災害の検証及び避難意思決定支援の在り方
  • トツガワ リュウイキ デ ハッセイ シタ ドシャ サイガイ ノ ケンショウ オヨビ ヒナン イシ ケッテイ シエン ノ アリカタ

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Abstract

To reduce victims for a disaster that is due to rainfall, we are advancing the development of the system, which support evacuation decision-making for the persons in charge of the disaster prevention and the concerned residents. The objective of our research is that we specify the direction of evacuation decision-making, which is shown by the areal unit. For the uncertainty of the calculation accuracy, we start with the reproduction calculation on the 2011 Totsukawa event. To implement the above-mentioned objective, the risk index of the sediment disaster is estimated. The accuracy of the calculation result is validated by collapse record and others.

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