JDR Vol.16 No.3 pp. 429-436
doi: 10.20965/jdr.2021.p0429

Survey Report:

Scenario Analysis of Sluice Gate Operations for Evaluating Inland Flood Damage

Hiromichi Muroi, Kensuke Mine, and Yoshiki Eguchi

Waterworks Bureau, City of Kawasaki
1 Miyamoto-cho, Kawasaki-ku, Kawasaki, Kanagawa 210-8577, Japan

Corresponding author

October 1, 2020
November 26, 2020
April 1, 2021
Typhoon Hagibis 2019, sewer, sluice gate, inland flood simulation model, Tama River

Typhoon Hagibis, which hit Japan directly on October 12, 2019, caused great damage, including the flooding of rivers, across various parts of Japan. The Tama River, which flows north of Kawasaki City, also experienced flooding which exceeded the designed high water level; although it did not cause fluvial flooding, river water flowed into the urban areas through the sewerage system, causing unprecedented inundation damage. This damage was reproduced with the inland flood simulation model. Furthermore, we performed simulations in which the water level, precipitation, and sluice gate operation of the Tama River differed from actual conditions, and compared them with the actual damage. Based on these results, we examined methods for reducing inundation damage, such as improving the operation method of sluice gates, and confirmed their effects.

Cite this article as:
Hiromichi Muroi, Kensuke Mine, and Yoshiki Eguchi, “Scenario Analysis of Sluice Gate Operations for Evaluating Inland Flood Damage,” J. Disaster Res., Vol.16, No.3, pp. 429-436, 2021.
Data files:
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Last updated on Apr. 13, 2021