[1]黄德华.基于InSAR技术的大同市云冈矿区地面沉降监测[J].华东地质,2023,44(04):476-484.[doi:10.16788/j.hddz.32-1865/P.2023.04.011]
　HUANG Dehua.Land subsidence monitoring in Yungang mining area in Datong City based on InSAR technology[J].East China Geology,2023,44(04):476-484.[doi:10.16788/j.hddz.32-1865/P.2023.04.011]
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基于InSAR技术的大同市云冈矿区地面沉降监测()
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《华东地质》[ISSN:2096-1871/CN:32-1865/P]

卷:
44
期数:
2023年04期
页码:
476-484
栏目:
其他
出版日期:
2023-12-27

文章信息/Info

Title:
Land subsidence monitoring in Yungang mining area in Datong City based on InSAR technology
作者:
黄德华
福建省地质测绘院, 福建福州 350011
Author(s):
HUANG Dehua
Fujian Geologic Surveying and Mapping Institute, Fuzhou 350011, Fujian, China
关键词:
D-InSAR; SBAS-InSAR; 时间序列; PS-InSAR; 矿区沉降监测; 大同市云冈矿区
Keywords:
D-InSAR; SBAS-InSAR; time series; PS-InSAR; mining subsidence monitoring; Yungang mining area in Datong City
分类号:
P66P694
DOI:
10.16788/j.hddz.32-1865/P.2023.04.011
摘要:
大同市煤炭资源丰富,但煤矿开采活动造成的地面沉降等地质环境问题一定程度上制约着矿区发展。为监测大同市云冈矿区的地面沉降特征,基于哨兵-1A卫星数据,文章使用星载合成孔径雷达差分干涉测量技术(Differential Interferometric Synthetic Aperture Radar,D-InSAR)技术处理2020年6—7月的2景影像,初步获取矿区沉降区域特征,监测区最大沉降量达4.6 cm/36 d;采用小基线集差分干涉技术(Small Baseline Subset InSAR,SBAS-InSAR)处理2019年1月—2020年12月的24景影像,得到监测区部分沉陷区域的长时间序列形变量,该形变量与2020年1月—2020年9月的同地区25景影像数据永久散射体合成孔径雷达干涉测量(Persistent Scattered Interferometric Synthetic Aperture Radar,PS-InSAR)监测形变空间分布一致,形变趋势吻合。综合以上3种InSAR监测结果表明,监测区内存在多达12个明显快速沉降区,均分布于矿区内,其中最大沉降速率达180 mm/y,2019—2020年最大累积沉降量为333 mm,东南部城市区域没有明显形变迹象。研究结果为矿区沉降监测及合理开采提供科学依据。
Abstract:
Datong is rich in coal resources, but the development of mining area is restricted to a certain extent by geological environment problems such as land subsidence caused by coal mining activities. In order to monitor the land subsidence characteristics of Yungang mining area in Datong City, based on Sentinel-1A satellite data, this paper used Differential Interferometric Synthetic Aperture Radar(D-InSAR) technology to process the landscape images captured from June to July, 2020, and preliminarily obtained the characteristics of the subsidence area in the mining area, and the maximum subsidence amount in the monitoring area reached 4.6 cm/36 d. A Small Baseline Subset InSAR (SBAS-InSAR) is used to process 24 images photographed from January 2019 to December 2020, obtaining a long time series deformation of some subsidence areas in the monitoring area. The spatial distribution of this monitoring deformation is consistent with that of the deformation monitored by Persistent Scattered Interferometric Synthetic Aperture Radar(PS-InSAR) using 25 SAR images during the period from January 2020 to September 2020, both of which have coincident deformation trend. According to the above three InSAR monitoring results, there are as many as 12 obviously rapid subsidence zones evenly distributed in the mining area, among which the maximum subsidence rate is 180 mm/y, and the maximum cumulative subsidence in 2019—2020 is 333 mm, while there is no obvious deformation sign in the southeastern urban area. It provides scientific basis for monitoring and rational exploitation of ground subsidence in mining area.

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备注/Memo

备注/Memo:
收稿日期:2022-10-12;改回日期:2023-08-26。
基金项目:福建省地质矿产勘查开发局"遥感技术在福建地质灾害隐患早期识别中的应用研究(编号:20190505)"项目资助。
作者简介:黄德华,1977年生,男,高级工程师,本科,主要从事国土资源遥感应用技术与国土空间规划研究。Email:68675776@qq.com。
更新日期/Last Update: 1900-01-01