1999年6月福岡水害における氾濫水の挙動と水害体験者の対応・意識

概要

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Short-time heavy rains caught people in the northern part of Kyushu on June 29,1999. In particular the biggest rainfall rate of about 100mm/h was measured in the eastern district of Fukuoka City. As a result the Mikasa River and the Sannou-Channel River overflowed their banks and the flooding water moved down the roads to the JR Hakata-eki Station. Many office buildings, subway station, shopping area of the Hakata-eki Station and the roads were inundated with water. The economic activity of Fukuoka City was damaged during the flood. After the flood disaster we had interviewed the residents and office workers from July 5 to 30 to investigate the overflowing period, and the direction and depth of inundation flow. Furthermore we had made questionnaire survey to know the response and consciousness of the residents and office workers to the flood disaster from August 6 to 30. It is found that the Sannou-Channel River began to overflow the banks around 9 : 00 and the Mikasa River around 9 : 30 on June 29. Flooding water reached JR Hakata-eki Station around 10 : 20. The response of the residents and office workers to the present flood was slow and their consciousness was weak.
2001-05-31