2021
DOI: 10.1088/1755-1315/703/1/012029
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Effects of the underground discharge channel/reservoir for small urban rivers in the Tokyo area

Abstract: In the midst of global climate change, a large typhoon has hit Japan and unprecedented heavy rainfall is occurring. In large cities in Japan, underground discharge channels and underground regulating reservoirs are being developed to improve the flood control safety. In this paper, we confirm the flood reduction effect of these underground facilities against the rainfall generated by Typhoon Hagibis in the Tokyo area in 2019. In addition, the advantages of underground regulating r… Show more

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Cited by 4 publications
(1 citation statement)
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“…One notable example is the G-Cans Project, a massive underground reservoir that can hold up to 10,000 tons of water. This system has significantly reduced the occurrence of flooding in Tokyo [40]. These cities' experiences illustrate how well-connected drainage systems and innovative stormwater management strategies are essential for large cities to protect against floods and ensure the safety and resilience of their communities.…”
Section: Policy Recommendationsmentioning
confidence: 94%
“…One notable example is the G-Cans Project, a massive underground reservoir that can hold up to 10,000 tons of water. This system has significantly reduced the occurrence of flooding in Tokyo [40]. These cities' experiences illustrate how well-connected drainage systems and innovative stormwater management strategies are essential for large cities to protect against floods and ensure the safety and resilience of their communities.…”
Section: Policy Recommendationsmentioning
confidence: 94%