Google Earth as a Tool in Terrain Survey of Debris Flow Watershed

Lin Rong Xu; Zhi Man Su; Keizo Ugai; Fei Cai; Qing Qing Yang

doi:10.4028/www.scientific.net/AMR.261-263.1563

Paper Titles

The Qualitative Research of Macro-Micro Association of Sand under the Monotonic Loading
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Stability Analysis of High Rock Slope at a Open Pit Mine and its Control Measure
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Analysis of Mechanical Characteristics of Site Experiment on Supporting Structure in Gypsum Breccia Tunnel
p.1554

Failure Mechanism of Jinjiang Riverbank Based on Geotechnical Properties of Soil
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Google Earth as a Tool in Terrain Survey of Debris Flow Watershed
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Fuzzy Comprehensive Evaluation Method in Rock Classification of In-Situ Expansion Tunnel
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Analysis into How to Determine the Spring Constant of Groundwork in Design of Underground Structure
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Numerical Analysis on Interaction of Superstructure-Piled Raft Foundation-Foundation Soil
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Strength Design of Reinforced Soil in the Front of Shield Departure Shaft
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 261-263Google Earth as a Tool in Terrain Survey of Debris...

Google Earth as a Tool in Terrain Survey of Debris Flow Watershed

Abstract:

Google Earth (GE) has powerful functions to view landscapes in fairly realistic three dimensions (3D) as well provides digital elevation model (DEM) data. A GE-based method in terrain surveying of debris flow watershed was elaborated, consisting of DEM data and related functions in GE. The method was employed in 9 debris flow watersheds along Ya-lu Expressway, Sichuan, China. It was proved to be able to get a similar result with traditional map method, especially in the debris flow watershed with a large area, such as more than 12 km². Moreover, the GE method is a time-saving method and can extract some of the terrain parameters directly, which is obviously better than traditional method.

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Periodical:

Advanced Materials Research (Volumes 261-263)

Pages:

1563-1566

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.261-263.1563

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Online since:

May 2011

Authors:

Lin Rong Xu, Zhi Man Su, Keizo Ugai, Fei Cai, Qing Qing Yang

Keywords:

Area of Watershed, Debris Flow, Google Earth, Length of Gully, Terrain Survey

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