昭和51年台風17号による鏡川洪水災害とその考察

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タイトル別名
  • ANALYSIS OF FLOODING PROCESS IN KAGAMI BASIN CAUSED BY 7617 TYPHOON, SEPTEMBER, 1976
  • ショウワ 51ネン タイフウ 17ゴウ ニヨル キョウガワ コウズイ サイガイ

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抄録

The Kagami Basin located in Shikoku District, west Japan, suffered severe disastersfrom flood caused by record heavy rainfall of 1835mm/6days in September 8-13, 1976, accompanied with 7617 typhoon.This paper discusses the flood control function of the Kagami Dam, flood processesin the down stream parts of the Kagami Basin, and some facters relating to the disasteron the basis of the results of runoff and flooding analyses. The flooding processes areanalyzed to fit the highest flood traces along the Rivers Kagami and Kooda and tosimulate hydrographs of water level observed at several points in the inundated areaby the method of trial and error of computation based on the mathematical models ofkinematic wave for non-inundated watersheds and dynamic wave for inundated area.

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