基于标准差椭圆法的中岭煤矿集中开采区地表形变时空演化分析

安全; 李亮; 黄广才; 韦瑾; 邢愿

安全,李亮,黄广才,韦瑾,邢愿.基于标准差椭圆法的中岭煤矿集中开采区地表形变时空演化分析[J].贵州地质,2024,(3):310-317

基于标准差椭圆法的中岭煤矿集中开采区地表形变时空演化分析

Analysis of the Spatiotemporal Evolution of Surface Deformation in the Concentrated Mining Area of Zhongling Coal Mine Based on the Standard Deviation Ellipse Method

投稿时间：2024-01-25

DOI：

中文关键词: SBAS-InSAR 地质灾害标准差椭圆方法时空演化矿区形变

英文关键词:SBAS-InSAR Geological hazards Standard deviation ellipse method Spatiotemporal evolution Mining area deformation

基金项目:贵州省地质矿产勘查开发局地质科研项目(合同编号:黔地矿科合〔2021〕23号)、贵州省矿产资源国情调查项目(项目编号:GZGT-2020-002、黔科合基础-ZK〔2023〕一般193)

作者	单位
安全	贵州省地质调查院，贵州贵阳550081 自然资源部基岩区矿产资源勘察技术创新中心，贵州贵阳550081
李亮	贵州省地质调查院，贵州贵阳550081 自然资源部基岩区矿产资源勘察技术创新中心，贵州贵阳550081
黄广才	贵州省地质调查院，贵州贵阳550081 自然资源部基岩区矿产资源勘察技术创新中心，贵州贵阳550081
韦瑾	贵州省地质调查院，贵州贵阳550081 自然资源部基岩区矿产资源勘察技术创新中心，贵州贵阳550081
邢愿	六盘水市水城区自然资源局，贵州六盘水553600

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中文摘要:

为更进一步掌握煤矿开采区因地下采煤活动诱发的地表变形程度及其多年时空变化情况，及时发现地质灾害隐患和时空分布格局对煤矿开采强度大的矿区人民科学的规避潜在地质灾害、矿山安全生产等具有重要意义。因此，本文，选取了覆盖研究区的2007—2010年12景ALOS PALSAR L波段与170景2014—2021年Sentinel-1A C波段雷达影像变形数据基于标准差椭圆方法分析了研究矿区地表LOS向(Line of sight ，LOS)形变时序变化与时空演化特征。监测结果表明:(1)监测区2007—2021年以来形变速率最大年出现在2014—2015年，最大沉降变形速率为-10272 mm/y，形变主要集中分布在监测区北部、相对沉降速率出现先增大后减小的趋势；(2)由标准差椭圆方法分析可知监测区地表相对沉降形变中心空间上在观测期间(2007—2021年)整体往北东方向移动了44752 m，形变中心有朝着北东方向扩大、演化的趋势。结论:本文利用标准差椭圆方法成功模拟了监测区地表多年变形空间演变格局，研究结果可为多年煤矿开采地区进一步掌握其地表变形区分布具有一定参考意义。

英文摘要:

In order to further understand the degree of surface deformation induced by underground mining activities in coal mining areas and its multi-year spatiotemporal changes，timely discovery of hidden dangers and spatiotemporal distribution patterns of geological hazards can help people in mining areas with high coal mining intensity to scientifically avoid potential geological hazards and mine safety，production and so onare of great significanceIn this paper，Therefore，it selected 12 ALOS PALSAR L-band scenes from 2007 to 2010 and 170 Sentinel-1A C-band radar image deformation data from 2014 to 2021 covering the study area to analyze the surface LOS direction (Line) of the study area based on the standard deviation ellipse methodof sight，LOS) deformation time series changes and spatiotemporal evolution characteristicsThe monitoring results show that: (1) The maximum deformation rate in the monitoring area from 2007 to 2021 occurred in 2014-2015，and the maximum settlement deformation rate was -10272 mm/yThe deformation was mainly concentrated in the northern part of the monitoring area，and the relative settlement rate occurredThe trend increased first and then decreased，and a new deformation center appeared in the northeast corner of the monitoring area；(2) Analysis by the standard deviation ellipse method shows that the relative subsidence deformation center of the surface of the monitoring area spatially increased during the observation period (2007-2021) The overall movement moved 44752 m to the northeast，and the deformation center had a tendency to expand and evolve toward the northeastThe conclusion is: it successfully simulated the multi-year spatial evolution pattern of surface deformation in the monitoring area using the standard deviation ellipse methodThe research results can have certain reference significance for further understanding the distribution of surface deformation areas in coal mining areas for many years

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