测绘通报 ›› 2024, Vol. 0 ›› Issue (9): 106-111,122.doi: 10.13474/j.cnki.11-2246.2024.0919

• 学术研究 • 上一篇    下一篇

基于升降轨InSAR的复杂山区大范围煤矿开采沉降监测与分析

黄广才1,2, 董继红3, 赵子龙4,5, 喜文飞4,6, 郭峻杞4, 安全1,2, 朱昱桦1,2,7, 韦瑾1,2   

  1. 1. 贵州省地质调查院, 贵州 贵阳 550081;
    2. 自然资源部基岩区矿产资源勘查工程技术创新中心, 贵州 贵阳 550081;
    3. 四川省综合地质调查研究所稀有稀土战略资源评价与利用四川省重点实验室, 四川 成都 610081;
    4. 云南师范大学地理学部, 云南 昆明 650500;
    5. 云南海钜地理信息技术有限公司, 云南 昆明 650000;
    6. 云南省高校高烈度地震山区交通走廊工程地质灾害早期快速判识与防控重点实验室, 云南 昆明 650093;
    7. 贵州大学资源与环境工程学院, 贵州 贵阳 550025
  • 收稿日期:2024-01-22 发布日期:2024-10-09
  • 通讯作者: 赵子龙。E-mail:364424035@qq.com
  • 作者简介:黄广才(1992—),男,硕士,工程师,主要从事地质灾害监测与预警研究。E-mail:guangcai2020@163.com
  • 基金资助:
    贵州省科技厅基础研究计划(自然科学类)项目(黔科合基础-ZK[2023]一般193);滇中引水工程(滇中高原区)高分综合应用示范(89-Y50-G31-9001-22/23-05);贵州省地质矿产勘查开发局地质科研项目(黔地矿科合[2021]23号)

Monitoring and analysis of coal mining subsidence in large-scale complex mountainous areas based on utilizing ascending and descending track InSAR

HUANG Guangcai1,2, DONG Jihong3, ZHAO Zilong4,5, XI Wenfei4,6, GUO Junqi4, AN Quan1,2, ZHU Yuhua1,2,7, WEI Jin1,2   

  1. 1. Guizhou Institute of Geological Survey, Guiyang 550081, China;
    2. Engineering Technology Innovation Center of Mineral Resources Explorations in Bedrock Zones, Minisity of Natural Resources, Guiyang 550081, China;
    3. Evaluation and Utilization of Strategic Rare Metals and Rare Earth Resource Key Laboratory of Sichuan Province, Sichuan Institute of Comprehensive Geological Survey, Chengdu 610081, China;
    4. Faculty of Geography, Yunnan Normal University, Kunming 650500, China;
    5. Yunnan Haiju Geographic Information Technology Co., Ltd., Kunming 650000, China;
    6. Yunnan Key Laboratory of Plateau Geographic Processes and Environmental Change, Kunming 650093, China;
    7. College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China
  • Received:2024-01-22 Published:2024-10-09

摘要: 复杂山区大面积煤矿开采容易造成地面沉降,诱发地质灾害,基于单一轨道数据难以进行全面有效的监测,有必要联合升轨和降轨数据协同监测。本文基于Sentinel-1数据,采用SBAS技术获取盘州市2019年1月至2022年5月的时间序列地表形变信息。研究结果显示:煤矿开采区地面沉降严重,最大沉降量和最大沉降速率分别达-385 mm、-127 mm/a;开采矿山地表形变呈线性下降趋势,与降雨无明显关联,而关闭矿山地表形变随降雨呈周期性变化,在雨季沉降加剧,旱季出现蠕滑或抬升。升降轨数据协同监测能有效减少侧视雷达成像的漏识别问题,从而提升喀斯特复杂山区下矿区地面沉降探测能力。研究结果可为喀斯特复杂山区的矿山安全生产、合理开采、关闭后恢复治理及地质灾害预防提供科学依据。

关键词: SBAS, 开采沉陷, 关闭矿井, 形变监测, 盘州市

Abstract: Large-scale coal mining in complex mountainous areas frequently causes ground subsidence and geological disasters. Effective monitoring using single-track data is challenging. Thus, it requires the combined use of ascending and descending track data. This study employs the SBAS technique, using Sentinel-1 data, to gather surface deformation data in Panzhou city between January 2019 and May 2022. The findings show severe subsidence in coal mining areas, with maximum levels of -385 mm and rates reaching -127 mm/a. Surface deformation in mined mountains follows a linear decline, independent of rainfall. In contrast, closed mines show periodic deformation tied to rainfall patterns intensifying in the rainy season and shifting between creeping and lifting in the dry season. Using both ascending and descending track data reduces misidentification in side-looking radar images, enhancing subsidence detection in karst mountainous mining areas. The results offer a scientific foundation for safe mining practices, post-closure restoration, and disaster prevention in karst mountainous regions.

Key words: SBAS, mining subsidence, abandoned mines, deformation monitoring, Panzhou city

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