基于三维GIS的滑坡灾害监测预警系统及应用

Abstract

Abstract:

To reduce or eliminate the damage caused by geologic disaster, based on the data of geological mapping and monitoring, it is vital to build a visual monitoring and forecast system of geological hazards by using advanced computer and 3-D visual techniques. We first use TIN method to build 3-D geological model, which are integrated with the data achieved automatically and conveyed by North Satellites; and then, using time-series based techniques, we analyze these data and build a complete 3-D monitoring and forecast system of slope disaster, and provide numerous applicable GIS tools such as section analysis tool, etc. As a result, the quickness and visual of warning of landslide disaster are enhanced. Finally, to validate the system, we examine the project of Xiakou landslide of Ya’an, Sichuan province.

Key words: GIS, visualization, geological hazards, slope, monitoring

CLC Number:

TU 457

WANG Wei，WANG Shui-lin，TANG Hua，ZHOU Ping-gen. Application of 3-D GIS to monitoring and forecast system of landslide hazard[J]., 2009, 30(11): 3379-3385.

References

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Application of 3-D GIS to monitoring and forecast system of landslide hazard

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