The Characteristics of Flood Disaster Induced by the Heavy Rain Event of July 2018 in Fukuoka Prefecture

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  • 福岡県内の平成30年7月豪雨災害の特徴
  • フクオカ ケンナイ ノ ヘイセイ 30ネン 7ガツ ゴウウ サイガイ ノ トクチョウ

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Abstract

<p>In this study, I investigated characteristics of the damages induced by the heavy rain event of July 2018 in the Fukuoka Prefecture. ​It is located on the margins of the damaged area, and the numbers of damaged houses and deaths are lower than in other prefectures. ​Field survey results of four areas as reported in newspapers are mentioned.</p><p>In the Nakamuta of the town of Chikuzen, floodwater from the collapse of a dam bank on Nakajima pond increased flood damage of an elementary school on the terrace. ​In the Kitano-machi of the city of Kurume, the sufficient increased of the ground level of residential areas in the abandoned river channel led to reduced flood damage. ​In Kurume's Higashiaigawa, the pumping station's insufficient drainage capacity increased flood damage in the residential area, which used to be paddy fields. ​In Kurume's Jojima-machi, gate closure and insufficient pumping station drainage capacity increased flood damage of houses on the natural levee.</p><p>Thus it is clear that human activities that improve convenience and safety in Fukuoka Prefecture contributed to both increases and decreases in flood damage.</p>

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  • GEOGRAPHICAL SCIENCES

    GEOGRAPHICAL SCIENCES 75 (3), 146-154, 2020-12-28

    THE JAPANESE SOCIETY FOR GEOGRAPHICAL SCIENCES

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