用雷达卫星干涉测量法研究哈萨克斯坦热兹卡兹干地区的地表天坑

IF 2.8 Q2 MINING & MINERAL PROCESSING Mining of Mineral Deposits Pub Date : 2023-12-30 DOI:10.33271/mining17.04.061
A. Baltiyeva, Elmira Orynbassarova, Madiyar Zharaspaev, Rustem Akhmetov
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引用次数: 0

摘要

目的是评估雷达卫星干涉测量法(SAR 干涉测量法)在分析和预测地球表面位移方面的潜力。方法。这项研究涉及对以往仪器观测的分析,如高精度水准测量和地震监测。利用全球导航卫星系统(GNSS)进行了观测;采用持续雷达信号散射序列干涉测量(PS)方法对卫星图像进行了处理。研究结果。研究结果证明,利用地面仪器方法获得的数据与利用卫星干涉测量法获得的数据具有相似性。确定了两种地表沉陷类型:平滑沉陷沉陷和不伴有初步变形或地震迹象的隐性变形。在合成孔径雷达干涉测量法的帮助下,成功地控制和预测了平滑下沉。一种预测不同时间间隔的线性位移趋势的算法已通过有限元方法体现出来。这项研究的独创性在于其复杂的研究方法,包括:不同监测方法的比较分析、不同天坑类型的研究、现有方法的局限性识别,以及为更准确、更客观地分析实地地表变形提出新方法。实际意义。研究成果对岩石力学专家和采矿操作人员具有实用价值。他们可以利用这些数据监测和控制地表塌陷,并在可能的情况下保障工作人员的安全和保护地面基础设施。
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Studying sinkholes of the earth’s surface involving radar satellite interferometry in terms of Zhezkazgan field, Kazakhstan
Purpose is to assess the potential of radar satellite interferometry (SAR interferometry) to analyze and forecast earth’s surface displacements. Methods. The study involves the analysis of previous instrumental observations, such as high-precision levelling and seismic monitoring. The observations using global navigation satellite systems (GNSS) were carried out; satellite images were processed applying a method of sequential interferometry of persistent radar signal scatters (PS). Findings. The research results have proved similarity between the data obtained with the help of ground instrumental methods and the data received using satellite interferometry. Two types of the earth’s surface sinkholes were identified: sinkholes with smooth subsidence and hidden deformations that are not accompanied by the preliminary deformational or seismic signs. Smooth subsidence is controlled and predicted successfully with the help of the SAR interferometry methods. An algorithm has been represented to predict linear displacement trends at different time intervals involving a finite element method. Originality is in a complex approach of the research performance covering the following: comparative analysis of different monitoring methods, studying different sinkhole types, identifying limitations of the available methods, and proposing new approaches for more accurate and objective analysis of the earth’s surface deformation within the field. Practical implications. The research results are of practical value for rock mechanic specialists and mining operators. They can use the data to monitor and control earth’s surface caving as well as provide staff safety and preserve ground infrastructure where it is possible.
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来源期刊
Mining of Mineral Deposits
Mining of Mineral Deposits MINING & MINERAL PROCESSING-
CiteScore
5.20
自引率
15.80%
发文量
52
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