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[1]NI Hua-yong.Geomorphologic Characteristics of Typical Debris-flow Basins in Hailuogou Scenic Spot and Disaster Prevention[J].Research of Soil and Water Conservation,2010,17(01):154-158.

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Geomorphologic Characteristics of Typical Debris-flow Basins in Hailuogou Scenic Spot and Disaster Prevention

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 01 Page number: 154-158 Column: Public date: 2010-02-20

Title:: Geomorphologic Characteristics of Typical Debris-flow Basins in Hailuogou Scenic Spot and Disaster Prevention

Author(s):: NI Hua-yong; Chengdu Institute of Geology and Mineral Resources, China Geological Survey, Chengdu, 610081, China

Keywords:: Hailuogou; scenic; spot; debris; flow; geomorphology; prevention

CLC:: P642.23

DOI:: -

Abstract:: On the basis of field investigation and former researches,10 typical debris-flow gullies were found in the Hailuogou scenic spot,Sichuan province,Southwest China,which have been threating the life safety of both local residents and vistors,the tourism equiments such as roads and cableways,as well as the environments.In this paper,the geomorphologic characteristics of the above-mentioned 10 typical debris-flow gullies were analyzed prelimarily including the relation between drainage area and gully length,the evolution model of the drainage basin of debris-flow gully and the differentiation of developing stage of debris-flow gullies through the application of area-elevation-curve method.And it was concluded that a power-law relation is existed between debris-flow-gully drainage area and gully length and that all the debris-flow gullies are at the prime stage which indicates a great probility of the occurrence of serious debris flows in the future.In the end of this paper,some prevention measures were advised including both the non-engineering meaures and engineering measures.

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