Citation

晴彦, 絵里佳, 祐香, 万理, 京子, 潔. J. Jpn. Soc. Nat. Disaster Sci. 2019; 38(2): 185-205.

Vernacular Title

2018年7月豪雨により広島県で発生した土砂災害の特徴と土地利用の変遷

Copyright

(Copyright © 2019, Japan Society for Natural Disaster Science)

DOI

10.24762/jndsj.38.2_185

PMID

unavailable

Abstract

From July 5-8, 2018, a heavy rainfall was generated by the Baiu-front in the Central region of the Hiroshima Prefecture. 48 hours precipitation in Aki and Tenno observatories were recorded 412 mm and 388 mm, respectively. In the Aki Ward of Hiroshima City, Saka Town, Kure City, Kumano Town, and Higashihiroshima City, landslide disaster occurred by heavy rainfall. Landslide and flood disasters in Hiroshima Prefecture resulted in 108 dead persons and 1,029 buildings destroy. Successive complete-destruction of houses, soil erosion and flood damage occurred as the result of the mudflow in the upper-stream of the Yano River in Yano area of Aki Ward and the Oyaokawa River and its tributary, the Setono River in Tenno area of Kure City.


2018年7月5日から8日にかけて，広島県中部では梅雨前線に伴い豪雨が発生した。安芸と天応の観測所では，48時間降水量が412mm，388mmを観測した。広島市の安芸区，坂町，呉市，熊野町，東広島市などでは豪雨により土砂災害が発生した。広島県では土砂洪水災害による死者は108人，全壊住家は1,029棟に達した。安芸区矢野地区の矢野川，呉市天応地区の大屋大川と支流の背戸の川では上流で土石流が発生し，住宅の全壊，住宅への土砂の流入や浸水被害が相次いだ。

Language: ja

Keywords

2018年7月; Baiu-front; Heavy rainfall; Hiroshima Prefecture; July 2018; Land Slide Disaster; Land Use; 土地利用; 土砂災害; 広島県; 梅雨前線; 豪雨