Prediction of Urban inundation in Yokohama and Kawasaki City by using “S-uiPS”

Masato Sekine*, Moe Yoshino, Naoki Takemura, Wataru Baba

*この研究の対応する著者

研究成果: Paper査読

抄録

Rainwater removal system in Japan consists of the drainage network, the street gutter network, the pumping station, the water reclamation center and the urban rivers. The rainwater falls on the ground surface including roads goes into a drainage pipe through street-inlet tank or flows directly into the street gutter. And then the water is transported in urban rivers to the sea. Such a system is designed for rainfall intensity 50mm/h. in most urban area in Japan. Recently extreme weather become more remarkable in Japan, as a result of global climate change. Therefore the magnitude of typhoons become larger. And more serious inundation occurs due to a formation of linear rain band. The countermeasures come to be the urgent problem. The final goal of this series of study is to evaluate inundation risk in major cities in Japan, one of which is the Tsurumi River basins of Yokohama and Kawasaki City by using "S-uiPS" (Sekine's urban inundation Prediction System) developed by the first author. "S-uiPS" is the sophisticated and acurate prediction system which does not included any model parameters. Huge amount of data about all urban infrastructures is introduced in this computation; for example, road network, drainage pipes network, urban rivers, pumping station, underground reservoir, etc. As a result, time-series of digital maps of both inundation depth and river depth can been obtained just like video images. Such images can be the reliable information with high precision which should be used for mitigation.

本文言語English
出版ステータスPublished - 2020
イベント22nd Congress of the International Association for Hydro-Environment Engineering and Research-Asia Pacific Division: Creating Resilience to Water-Related Challenges, IAHR-APD 2020 - Sapporo, Virtual, Japan
継続期間: 2020 9 142020 9 17

Conference

Conference22nd Congress of the International Association for Hydro-Environment Engineering and Research-Asia Pacific Division: Creating Resilience to Water-Related Challenges, IAHR-APD 2020
国/地域Japan
CitySapporo, Virtual
Period20/9/1420/9/17

ASJC Scopus subject areas

  • 生態学
  • 環境工学

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