The Preliminary Study on the Effect of Debris Flow on the Tianchi Lake

Xue Li Wei; Fei Peng Xiao; Ning Sheng Chen; Qian Gong Cheng

doi:10.4028/www.scientific.net/AMR.599.757

Paper Titles

Restoration of Natural Herbaceous Vegetation of Xiangxi River’s Water-Level Fluctuation Zone after the Flooding in Three Gorges Reservoir Area
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Water Resources Research in Henan Province Based on Ecological Footprint Model
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Study on Sediment Characteristics in Artificial Wetland and Natural Wetland
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Spatial and Temporal Change of Land Use and its Impact on Water Quality of Poyang Lake Region
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The Preliminary Study on the Effect of Debris Flow on the Tianchi Lake
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Analysis Models of Storm Runoff Volumes from Small Watershed in Chongqing Metropolitan Area
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Study on Risk Evaluation of Sand Inrush of Thick Coal Seam under Water-Bearing Unconsolidated Strata
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On the Assessment Method Based on Correlation Weighted Comprehensive Nutritional Index in the Three Gorges Reservoir
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Laboratory Measurement and Numerical Simulation of Evaporation Fluxes from a Thin Clay Layer
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 599The Preliminary Study on the Effect of Debris Flow...

The Preliminary Study on the Effect of Debris Flow on the Tianchi Lake

Abstract:

In these years the southern part of Tianchi Lake has been occupied by deposited sediments which were carried by debris flows. As a result, the lake is shrunk and the sight of the lake is ruined. In the paper, on the basics of field work, we first combine both of the geographical maps 1971 and 2003 to make sure the landscape difference; secondly we estimate the average thickness of earth eroded by debris flow; thirdly we estimate the volume of the soil on the fan. In the 32 years between 1971 and 2003 the deposit fan has gone forward for 216m, and the deposits reaches at 1.85 million m³, of which 49％ come from upstream and 51％ comes from the old fan. The frequent debris flow occurrence is due to both natural conditions and over grazing.

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Periodical:

Advanced Materials Research (Volume 599)

Pages:

757-761

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.599.757

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Online since:

November 2012

Authors:

Xue Li Wei, Fei Peng Xiao, Ning Sheng Chen, Qian Gong Cheng

Keywords:

Debris Flow, Deposition, Discharge, Tianchi Lake

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References

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