测绘通报 ›› 2021, Vol. 0 ›› Issue (6): 117-121,133.doi: 10.13474/j.cnki.11-2246.2021.0188

• 技术交流 • 上一篇    下一篇

对陡坡陡崖引发地质灾害的潜在影响范围进行建模分析

章豪1, 温剑峰1, 陈温清2, 徐刚1,3, 史瑞洁3, 戴欣宜3, 陈杰3, 朱安峰1, 范全龙4   

  1. 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
  • 收稿日期:2020-11-16 发布日期:2021-06-28
  • 通讯作者: 陈杰。E-mail:cj2011@csu.edu.cn
  • 作者简介:章豪(1982—),男,高级工程师,主要从事地理空间信息技术在自然灾害和城市安全领域的研究与应用。E-mail:183414266@qq.com

Modeling and analyzing the potential impact range of geological disasters caused by the escarpments

ZHANG Hao1, WEN Jianfeng1, CHEN Wenqing2, XU Gang1,3, SHI Ruijie3, DAI Xinyi3, CHEN Jie3, ZHU Anfeng1, FAN Quanlong4   

  1. 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
  • Received:2020-11-16 Published:2021-06-28

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。

关键词: 陡坡陡崖, 地质灾害, 基础数据库, 防灾减灾, 地形地貌

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.

Key words: escarpments, geological disaster, basic database, disaster prevention and mitigation, topography and landform

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