Journal Title
Title of Journal: J Earth Sci
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Abbravation: Journal of Earth Science
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Publisher
China University of Geosciences
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Authors: Junqi Liu Xuebin Huang Chonglong Wu Wenming Cheng Wei Xiang He Xia
Publish Date: 2012/04/12
Volume: 23, Issue: 2, Pages: 199-206
Abstract
Taking hundreds of pieces of hazardous geological maps 1 10 000 of Three Gorges reservoir area 3GR as background we establish regional threedimensional 3D geohazard model using DEM digital elevation model superposed surface images and geohazards elements Based on landslides and other geohazard survey data using improved BREP boundary representation entity data structure twobody 3D data structure we set up 3D solid models for each hazardous bodies in each hazardous geological maps Then we integrate the two types of 3D models with different scales from area to point which are the regional geohazard 3D model and the solid models of each disaster body in order to provide a visual processing and analysis platform for danger partition stability evaluation disaster prevention and control early warning and commandThis study was supported by the 3D Model Library of Geohazards in the 3GR No SXJC3ZH1A7 the software development of 3D area disaster geology map in the 3GR No SXJC3ZH1A6 survey data acquisition and geologic map CAD system in the 3GR No SXKY402 985 Platform Projects 3D modeling and space analysis system of geohazards and the National Natural Science Foundation of China No 41172300
Keywords:
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