INUNDATION SIMULATION AND COUNTERMEASURE STUDY FOR THE NONAMI DISTRICT DUE TO HEAVY RAINFALL IN THE TOKAT REGION

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Other Title
  • 東海豪雨時の野並地区における浸水とその対策に関する考察

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Description

A simple inundation simulation model is applied to the Nonami district in Nagoya City, and the causes and countermeasures for the urban flood in the Nonami district due to the heavy rainfall in theTokai region in 2000 are studied.The model estimates inundation stages with the continuity equation and the depth-volume relationship for the Nonami district generated from a 10m grid Digital Elevation Model. The computed maximum inundation depth shows a good agreement with the observed inundation depth. By using the model, inundation simulations are carried out under some scenarios. Findings from the simulations are that the maximum inundation depth does not change even if the pump system at the Nonami district worked without failure; the pump system needs more than 2.5 times capacity to cope with the heavy rainfall; and if the Nonami district does not have inflows from the adjacent basins, inundation damage is quite small. The simulation results indicate that a drainage system should manage a network of basin water movement in order to deal with a heavy rainfall beyond a design rainfall.

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Details 詳細情報について

  • CRID
    1050282676914459904
  • NII Article ID
    80012838773
  • NII Book ID
    AN00027784
  • ISSN
    0386412X
  • HANDLE
    2433/80561
  • Text Lang
    ja
  • Article Type
    departmental bulletin paper
  • Data Source
    • IRDB
    • CiNii Articles

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