Debris-flow Treatment: The Integration of Botanical and Geotechnical Methods

  • 1 Key Laboratory of Mountain Hazards and Earth Surface Process, Institute of Mountain Hazards and Environment, CAS, Chengdu 610041, China;
    2 College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China

Received date: 2012-11-03

  Revised date: 2013-02-18

  Online published: 2013-06-20

Supported by

this research was supported by the National Key Fundamental Research (973) Project (2011CB409902), the NSFC project (41030742), and the NSFC project (41201564).


Due to special topographical, geological and meteorological conditions, debris flows occur frequently and result in heavy losses of lives and properties in mountainous areas, which become a great threaten to the sustainable development of regional economy and society in western China. At present, debris-flow prevention has performed well in many mountainous countries and has made headway in early warning, disaster mitigation by structural engineering methods, and risk analysis and management. In this paper, debris-flow prevention techniques have been introduced from the aspects of botanical methods, geotechnical engineering methods, and synthetic prevention system based on the above two methods. In addition, the treatment system of multilevel runoff and unconsolidated soil in the catchment with a chain of “slope-gully-valley” is set up in consideration of sediment load of main rivers, incorporation of slope improvement and gully retention, as well as micro-site factors for matching species with the site. Furthermore, attentions should be paid to the mechanism and technical details of vegetation measures for debris-flow prevention, as well as effective incorporation between botanical method and geotechnical method.

Cite this article

CUI Peng, LIN Yongming . Debris-flow Treatment: The Integration of Botanical and Geotechnical Methods[J]. Journal of Resources and Ecology, 2013 , 4(2) : 97 -104 . DOI: 10.5814/j.issn.1674-764x.2013.02.001


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