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遥感技术在滑坡地质灾害中的应用综述
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Abstract:
在全球气候变暖和降雨量不断增加的背景下，滑坡的严重威胁人民群众的生命安全。随着遥感技术的发展，其在滑坡方面的使用不断成熟。将遥感技术应用到滑坡前后的变形监测与防治，可快速准确了解灾害发生区域的具体情况，为防灾减灾救灾工作提供技术支持。文章综合概述了不同遥感技术应用在滑坡灾害中的原理与方法，探讨了SAR技术、光学遥感技术、激光雷达技术在滑坡灾害应用中的实例，对三类技术的基本原理、研究现状进行阐述，总结各类技术方法的优缺点，并综合运用多类遥感技术，为预防滑坡灾害提供有益借鉴。
Against the backdrop of global climate change and increasing rainfall, landslides pose a serious threat to the safety of people’s lives. With the development of remote sensing technology, its use in landslides continues to mature. Applying remote sensing technology to deformation monitoring and prevention before and after landslides can quickly and accurately understand the specific situation of the disaster area, providing technical support for disaster prevention, reduction, and relief work. The article provides a comprehensive overview of the principles and methods of different remote sensing technologies applied in landslide disasters, explores examples of SAR technology, optical remote sensing technology, and LiDAR technology in landslide disaster applications, elaborates on the basic principles and research status of the three types of technologies, summarizes the advantages and disadvantages of each technology method, and comprehensively applies multiple types of remote sensing technologies to provide useful references for landslide disaster prevention.
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