The Distribution Of Debris Flows And Debris Flow
Hazards In Southeast China
Author(s)
F. Wei, Y. Jiang, Y. Zhao, A. Xu & J. S. Gardner
Abstract
Debris flows commonly occur throughout southern China, posing a hazard to
people, property and infrastructure. Although debris flows occur more frequently
and with greater magnitude in mountainous southwest China, where they have
been studied extensively, their impacts on society are greater in southeast China,
where population densities and land use intensities are greater. A number of
recent disastrous debris flow events in southeast China have drawn the attention
of researchers and the government. Using historical records and field
investigations, this paper describes debris flow distribution, casual and
contributing factors, hazards and disaster prevention and mitigation measures in
southeast China.
Keywords: debris flows, distribution, hazard, southeast China.
1 Introduction
The west to east topographic profile of China is characterized by three general
units and declining elevation. At higher elevation in the west is the Qinghai-
Tibet Plateau, followed by the Yunnan-Guizhou Plateau, Sichuan Basin and
Loess Plateau, and finally the lower elevation region of middle and eastern
China. Debris flow occurrence is most common in the higher elevation areas of
the first two units and the transition zone between them. However, a number of
disastrous debris flow events in the third unit, particularly its southeastern part,
Keywords
debris flows, distribution, hazard, southeast China
Related Book
Other papers in this volume
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