2011年タイ中部洪水災害

Abstract

In the autumn of 2011, the central part of Thailand along Chao Phraya River including some parts of Bangkok was inundated widely. More than 800 persons were killed and over 20000 km2 of farmland were damaged. Many Japanese manufacturing factories were also damaged. A field survey of the Chao Phraya River basin, Bangkok and its suburbs, and the Ayutthaya area, including Rojana industrial park are conducted from 25 November to 2 December 2011. The main purpose of this paper is to present an outline of the flood disaster in the central part of Thailand in 2011. First, sediment disasters are introduced and the problems which the lack of bank protection causes bank erosion and sediment floods lengthen the cleanup activity at the first stage of the recovery are criticized. Inundation disaster is also introduced and the problem which the irrigation canals are not designed to drainage inundated water is criticized.