Site selection for landslide GNSS monitoring stations using InSAR and UAV photogrammetry with analytical hierarchy process

IF 5.8 2区工程技术 Q1 ENGINEERING, GEOLOGICAL

Landslides Pub Date : 2023-12-28 DOI:10.1007/s10346-023-02188-3

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引用次数: 0

Abstract

Site selection for global navigation satellite system (GNSS) monitoring stations is the primary task in landslide GNSS monitoring work, and the selected site directly determines the monitoring effect of landslide deformation. Currently, the method for selecting site locations predominantly relies on the manual judgment of geological disaster experts by site inspections, which is experimental and labor-intensive. In this study, we propose an alternative site selection method on GNSS landslide monitoring station aided by interferometric synthetic aperture radar (InSAR) and unmanned aerial vehicle (UAV) photogrammetry methodology. Firstly, InSAR technology is used to obtain historical deformation data of the landslide area as prior information. Then, high-resolution digital surface model (DSM) and digital orthophoto map (DOM) are obtained by using UAV photogrammetric methodology, and relevant site selection criteria such as slope, aspect, surface roughness index, and vegetation index are extracted. Finally, the analytic hierarchy process (AHP) method is applied to evaluate and quantify the suitability of GNSS station site selection at various positions in the landslide area. The suitability of GNSS monitoring station site selection was evaluated in an experimental area located in the Heifangtai landslide in Northwest China’s Gansu province. Seven evenly and reasonably distributed locations with suitability values exceeding 0.67 were recommended as potential sites for the construction of GNSS monitoring stations, which can meet the requirements for their establishment. With less manual intervention, this method provides quantitative and intuitive representation of suitability distribution, which make GNSS site selection more intelligent.

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利用 InSAR 和无人机摄影测量法及层次分析法为滑坡全球导航卫星系统监测站选址

摘要全球导航卫星系统（GNSS）监测站的选址是滑坡GNSS监测工作的首要任务，选址的好坏直接决定了滑坡变形的监测效果。目前，选址方法主要依靠地质灾害专家通过实地考察进行人工判断，实验性强，劳动强度大。在本研究中，我们提出了一种以干涉合成孔径雷达（InSAR）和无人机（UAV）摄影测量方法为辅助的 GNSS 滑坡监测站选址替代方法。首先，利用 InSAR 技术获取滑坡区域的历史变形数据作为先验信息。然后，利用无人机摄影测量方法获得高分辨率数字地表模型（DSM）和数字正射影像图（DOM），并提取相关的选址标准，如坡度、坡向、地表粗糙度指数和植被指数。最后，应用层次分析法（AHP）对滑坡区不同位置的 GNSS 站址选择的适宜性进行评估和量化。在甘肃省西北部黑方台滑坡实验区对 GNSS 监测站选址的适宜性进行了评估。推荐了七个分布均匀合理、适宜度值超过 0.67 的地点作为建设 GNSS 监测站的潜在地点，这些地点均能满足建立监测站的要求。该方法减少了人工干预，可定量、直观地反映适宜性分布，使 GNSS 选址更加智能化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Landslides 地学-地球科学综合

CiteScore

13.60

自引率

14.90%

发文量

191

审稿时长

>12 weeks

期刊介绍： Landslides are gravitational mass movements of rock, debris or earth. They may occur in conjunction with other major natural disasters such as floods, earthquakes and volcanic eruptions. Expanding urbanization and changing land-use practices have increased the incidence of landslide disasters. Landslides as catastrophic events include human injury, loss of life and economic devastation and are studied as part of the fields of earth, water and engineering sciences. The aim of the journal Landslides is to be the common platform for the publication of integrated research on landslide processes, hazards, risk analysis, mitigation, and the protection of our cultural heritage and the environment. The journal publishes research papers, news of recent landslide events and information on the activities of the International Consortium on Landslides. - Landslide dynamics, mechanisms and processes - Landslide risk evaluation: hazard assessment, hazard mapping, and vulnerability assessment - Geological, Geotechnical, Hydrological and Geophysical modeling - Effects of meteorological, hydrological and global climatic change factors - Monitoring including remote sensing and other non-invasive systems - New technology, expert and intelligent systems - Application of GIS techniques - Rock slides, rock falls, debris flows, earth flows, and lateral spreads - Large-scale landslides, lahars and pyroclastic flows in volcanic zones - Marine and reservoir related landslides - Landslide related tsunamis and seiches - Landslide disasters in urban areas and along critical infrastructure - Landslides and natural resources - Land development and land-use practices - Landslide remedial measures / prevention works - Temporal and spatial prediction of landslides - Early warning and evacuation - Global landslide database