RAIN-RUNOFF ANALYSIS OF THE ZENPUKUJI RIVER IN URBAN AREA FOR RIVER RECREATION
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- TAKASAKI Tadakatsu
- 東京都土木技術支援・人材育成センター
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- KAWAMURA Akira
- 首都大学東京 都市環境科学研究科
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- AMAGUCHI Hideo
- 首都大学東京 都市環境科学研究科
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- ISHIHARA Shigeyuki
- 東京都建設局河川部
Bibliographic Information
- Other Title
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- 都市中小河川善福寺川の降雨流出特性が親水利用に及ぼす影響
- トシ チュウショウ カセン ゼンプクジガワ ノ コウウ リュウシュツ トクセイ ガ シン ミズリヨウ ニ オヨボス エイキョウ
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Abstract
A storage function model estimated flood discharge due to storm rainfall for river recreation in small river. Rain-runoff of small river in urban area is affected by the outflow characteristics of the combined sewer system greatly. The model which for urban flood considers outflow characteristics of the combined sewer system, is applied to the river catchment of the Zenpukuji River in Tokyo, the typical urbanized area, against 10 stormrainfall events. Time of feasible safe evacuation is obtained by the runoff analysis result. Also, the change of runoff characteristics by storage facilities to hold the initial rainwater is investigated.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)
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Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 72 (5), I_297-I_303, 2016
Japan Society of Civil Engineers