Geomorphic characteristics of hillslope and channelized debris flows: A case study in the Shitou area of central Taiwan

Jinn Chyi Chen, Ching-Wee Lin, Lung Chang Wang

研究成果: Article

11 引文 斯高帕斯(Scopus)

摘要

The data on the hillslope and channelized debris flows in the Shitou area of central Taiwan occurred during Typhoons Toraji and Nali in 2001 were applied in this paper. The geomorphic parameters, including the flow length, gully gradient, drainage area and form factor of the debris flows were determined by spatial analysis using a Geographic Information System (GIS) based on the data derived from field investigation, aerial photographs, and topographical maps. According to such determined geomorphic parameters, the threshold conditions and empirical equations, such as the relationship between the gully gradient and drainage area and that between gully length and drainage area and topographic parameter, are presented and used to distinguish the geomorphic characteristics between the channelized and hillslope debris flows.

原文English
頁(從 - 到)266-273
頁數8
期刊Journal of Mountain Science
6
發行號3
DOIs
出版狀態Published - 2009 八月 18

All Science Journal Classification (ASJC) codes

  • Global and Planetary Change
  • Geography, Planning and Development
  • Geology
  • Earth-Surface Processes
  • Nature and Landscape Conservation

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