| 对陡坡陡崖引发地质灾害的潜在影响范围进行建模分析 |
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| 引用本文： | 章豪,温剑峰,陈温清,徐刚,史瑞洁,戴欣宜,陈杰,朱安峰,范全龙.对陡坡陡崖引发地质灾害的潜在影响范围进行建模分析[J].测绘通报,2021,0(6):117-121,133. |
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| 作者姓名： | 章豪 温剑峰 陈温清 徐刚 史瑞洁 戴欣宜 陈杰 朱安峰 范全龙 |
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| 作者单位： | 1. 浙江安防职业技术学院, 浙江 温州 325016;2. 温州市地质环境监测中心, 浙江 温州 325000;3. 中南大学, 湖南 长沙 410083;4. 浙江城安大数据有限公司, 浙江 温州 325000 |
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| 摘 要： | 陡坡陡崖作为一种特殊的地形地貌，是造成滑坡、泥石流等各种地质灾害的重要因素之一。由陡坡陡崖引发的地质灾害会破坏人造地物，对人类的生命财产安全造成严重危害。本文利用DEM数据提取了浙江省温州市的陡坡陡崖，对温州市陡坡陡崖的影响范围进行系统研究，构建了温州市陡坡陡崖的潜在滑坡方向模型，并确定其对人造地物（如道路、房屋）的影响。本文主要研究内容有以下两个：①提取陡坡陡崖并对其潜在滑坡方向进行建模；②根据影响范围提取受影响的人造地物并建立基础数据库。结果表明，温州市的陡坡陡崖数量多，分布范围广且集中，其引发的地质灾害会对人造地物造成严重的潜在影响。本文构建的温州市基础数据库可以描述陡坡陡崖潜在影响的房屋和道路的位置，确定灾害重点防治区域，为温州市的灾害防治工作提供服务。
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| 关 键 词： | 陡坡陡崖 地质灾害 基础数据库 防灾减灾 地形地貌 |
| 收稿时间： | 2020-11-16 |
Modeling and analyzing the potential impact range of geological disasters caused by the escarpments |
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| ZHANG Hao,WEN Jianfeng,CHEN Wenqing,XU Gang,SHI Ruijie,DAI Xinyi,CHEN Jie,ZHU Anfeng,FAN Quanlong.Modeling and analyzing the potential impact range of geological disasters caused by the escarpments[J].Bulletin of Surveying and Mapping,2021,0(6):117-121,133. |
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| Authors: | ZHANG Hao WEN Jianfeng CHEN Wenqing XU Gang SHI Ruijie DAI Xinyi CHEN Jie ZHU Anfeng FAN Quanlong |
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| Institution: | 1. Zhejiang Security Vocational and Technical College, Wenzhou 325016, China;2. Wenzhou Geological Environment Monitoring Center, Wenzhou 325000, China;3. Central South University, Changsha 410083, China;4. Zhejiang City Security Big Data Co., Ltd., Wenzhou 325000, China |
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| Abstract: | As a special topography, escarpments are one of the important factors causing various geological disasters such as landslides and mudslides. Geological disasters caused by escarpments will destroy man-made surface features and cause serious harm to the safety of human life and property. Based on the DEM data, we extrac the escarpments in Wenzhou, Zhejiang province, conduct a systematic study on the range of influence of the escarpments, and construct a potential landslide direction model ofthe escarpments in Wenzhou. We also determine its impact on man-made features (such as roads, houses). The main contents of this study are as follows: ①extracting the escarpments and modeling their potential landslide directions; ②extracting the affected artificial ground features according to the scope of influence and establishing a basic database. The results show that Wenzhou has a large number of escarpments, a wide range of distribution and concentration, and the geological disasters caused by them will have serious potential impacts on man-made surface features. The basic database constructed in this paper can describe the locations of houses and roads potentially affected by escarpments, determine key disaster prevention areas, and serve Wenzhou’s disaster prevention and control work. |
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| Keywords: | escarpments geological disaster basic database disaster prevention and mitigation topography and landform |
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