| 基于GIS的贵州省地质灾害危险性评价 |
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| 引用本文： | 龙万学,谭勇鸿,林剑.基于GIS的贵州省地质灾害危险性评价[J].地理空间信息,2009,7(6):24-27. |
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| 作者姓名： | 龙万学 谭勇鸿 林剑 |
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| 作者单位： | 1. 贵州省交通规划勘察设计研究院,贵州,贵阳,550001
2. 湖南科技大学,建筑学院,湖南,湘潭,411201 |
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| 基金项目： | 交通部科技攻关资助项目(200331880201) |
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| 摘 要： | 根据贵州省的地质条件,确定地质灾害分布、地形地貌、地层岩性、地质构造、河流水系、年均降雨量作为评价因子,采用黄金分割法确定各评价因子的权重,利用GIS技术和数学模型对贵州省地质灾害危险性进行评价,得到贵州省地质灾害危险性区划图。从图中分析得知贵州省区域地质灾害的危险性主要处于中度危险区,其次是低危险区和高危险区,处于极高危险区的相对较少。
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| 关 键 词： | 地质灾害 GIS 贵州省 |
Geological Hazard Risk Assessment Based on GIS in Guizhou |
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| LONG Wanxue,TAN Yonghong,LIN Jian.Geological Hazard Risk Assessment Based on GIS in Guizhou[J].Geospatial Information,2009,7(6):24-27. |
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| Authors: | LONG Wanxue TAN Yonghong LIN Jian |
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| Institution: | 1.Guizhou Provincial Institute of Planning;Prospecting and Designing of Communications Infrastructures;Guiyang 550001;China;2.School of Architecture and Urban Planning;Hunan University of Science and Technology;Xiangtan 411201;China |
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| Abstract: | According to the geological conditions of Guizhou Province,this paper selected 6 factors:geological hazards distribution,terrain and landforms,formation lithology,geological structure,river system,average annual rainfall,for assessment.Corresponding indexes were determined by golden section method.The geological hazard risk assessment of Guizhou Province was made by GIS technology and mathematical model,obtained the geological disasters' risk zoning map of Guizhou Province.Draw the conclusions:the zoning ge... |
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| Keywords: | geological calamity GIS Guizhou province |
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