一种用于监测采矿区三维表面变形的方法,它结合了SBAS-InSAR,GNSS和概率积分方法
Qiuxiang Tao1,2, Ruixiang Liu1,2, Xuepeng Li3,4
1College of Geodesy and Geomatics, Shandong University of Science and Technology, 579 Qianwangang Road, Qingdao, 266590, China.
Scientific reports
|January 22, 2025
概括
本研究引入了一种结合SBAS-InSAR和PIM的新方法,用于监测采矿区的3D表面变形. 它有效地克服了传统InSAR的局限性,特别是在植被地区.
科学领域:
- 地质测量是指地质测量.
- 遥感 遥感 遥感 遥感
- 采矿工程 采矿工程 采矿工程
背景情况:
- 监测表面变形对于采矿安全和基础设施至关重要.
- 传统的INSAR (干扰测量合成孔径雷达) 仅提供视线变形,不足以进行完整的3D分析.
- 植被覆盖和沉降中心往往阻碍了InSAR数据采集.
研究的目的:
- 开发一种新的方法,在采矿区获得完整的3D表面变形数据.
- 解决传统InSAR在植被和复杂的采矿环境中的局限性.
- 为了降低成本和提高3D变形监测的效率.
主要方法:
- 该研究提出了一种混合方法,将SBAS-InSAR与概率综合方法 (PIM) 结合起来.
- 它利用高连贯点和全球导航卫星系统 (GNSS) 数据来逆转PIM参数.
- 该方法整合了来自较少的InSAR点和GNSS观测的数据,并考虑了相邻的工作面的相互作用.
主要成果:
- 通过SBAS-PIM方法,在中国海泽的一个采矿区成功获得了3D表面变形.
- 记录的最大位移为 -2011 mm (垂直), -418 mm (东-西) 和 -281 mm (北-南).
- 在垂直/东向西变形和GNSS数据之间实现了高相关系数 (≥0.9).
结论:
- 拟议的SBAS-PIM方法有效地监测采矿区的3D表面变形,即使数据有限.
- 它提供了一种具有成本效益的解决方案,以克服植被地区的InSAR限制.
- 这种方法提高了采矿工程和地面基础设施的安全和管理.
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