Reports of the City Planning Institute of Japan
Online ISSN : 2436-4460
Evacuation route analysis of evacuation drills using GIS in the Hilly and Mountainous Area
From the overlay with the actual damaged points
Asami KimuraYasuki TsuchiyaKen-ichi Yasue
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RESEARCH REPORT / TECHNICAL REPORT FREE ACCESS

2024 Volume 23 Issue 2 Pages 122-

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Abstract

It is important to make up evacuation plan based on results of a detailed survey of damage caused by a natural disaster. As a case study of Senndannyama area, Toyama prefecture, damaged by torrential rain in 2023, we visualized a location where landslides occurred due to torrential rain, by using GIS. Also, we surveyed the correspondence between a location of landslides and evacuation routes which were used in case of the evacuation drills. This investigation show that some landslides occurred on the evacuation route. And we found that residents are forced to choose limited evacuation routes due to small number of roads, and sometimes, the difference of elevation along the evacuation route is large.

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