基于PS-InSAR技术的老采空区地表沉陷监测与分析
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摘要
地面沉降是矿区采空区主要地质灾害之一,利用PS-InSAR技术对覆盖广西平南锡基坑铅锌矿的21景Sentinel-1数据进行处理,绘制出地表沉降量分布云图、等值线剖面、观测点沉降速率变化曲线。与传统方法相比,PS-InSAR技术大大提高了地表沉降研究的直观性、整体性及预测性。通过数值模拟技术对PS-InSAR技术获得的监测结果进行验证,结果显示:运用PS-InSAR技术获得的采空区沉降区域与数值模拟计算所得的薄弱区域基本一致;运用PS-InSAR技术获得的采空区沉降数据可以为地表沉陷防治、沉降规律总结及采空区治理提供支持。
Ground subsidence is one of the main geological hazards in mining area of mining area.Using PSInSAR technology to deal with the 21 Sentinel-1 data of the Guangxi Pingnan Xijikeng lead zinc mine,the surface subsidence distribution cloud map,the contour line section and the change curve of the settlement rate of the observation point are drawn.Compared with the traditional methods,PS-InSAR technology greatly improves the intuition,integrity and predictability of land subsidence research,and provides a reliable basis for the prevention and settlement of subsidence in the goaf and the summing up of the settlement law and verifies the monitoring results obtained by PS-InSAR technology through numerical simulation technology.
Ground subsidence is one of the main geological hazards in mining area of mining area.Using PSInSAR technology to deal with the 21 Sentinel-1 data of the Guangxi Pingnan Xijikeng lead zinc mine,the surface subsidence distribution cloud map,the contour line section and the change curve of the settlement rate of the observation point are drawn.Compared with the traditional methods,PS-InSAR technology greatly improves the intuition,integrity and predictability of land subsidence research,and provides a reliable basis for the prevention and settlement of subsidence in the goaf and the summing up of the settlement law and verifies the monitoring results obtained by PS-InSAR technology through numerical simulation technology.
引文
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[15]胡波,汪汉胜,贾路路.PSInSAR永久散射体的自动探测[J].测绘科学,2011,36(2):50-52.HU Bo,WANG Hansheng,JIA Lulu.Automatic detection of permanent scatterers in PSInSAR[J].Science of Surveying and Mapping,2011,36(2):50-52.
[16]POPOV B H.Optimum strength and safety factor for chamber pillar[J].Foreign Mining Technology Bulletin,1987,18:14-15.
[2]唐攀攀,单新建,王长林.基于PSInSAR技术的长白山天池火山形变监测[J].地震地质,2014,36(1):177-185.TANG Panpan,SHAN Xinjian,WANG Changlin.Research on the deformation monitoring of Changbaishan volcano based on PSInSAR technique[J].Seismology and Geology,2014,36(1):177-185.
[3]罗三明,杜凯夫,万文妮,等.利用PSInSAR方法反演大时空尺度地表沉降速率[J].武汉大学学报:信息科学版,2014,39(9):1128-1134.LUO Sanming,DU Kaifu,WAN Wenni,et al.Ground subsidence rate inversion of large temporal and spatial scales based on extended PSInSAR method[J].Geomatics and Information Science of Wuhan University,2014,39(9):1128-1134.
[4]邢学敏.CRInSAR与PSInSAR联合监测矿区时序地表形变研究[J].测绘学报,2014,43(8):878.XING Xuemin.Study on monitoring the time series ground deformation in mining area based on CRInSAR and PSInSAR integration[J].Acta Geodaetica et Cartographica Sinica,2014,43(8):878.
[5]罗三明,单新建,朱文武,等.多轨PSInSAR监测华北平原地表垂直形变场[J].地球物理学报,2014,57(10):3129-3139.LUO Sanming,SHAN Xinjian,ZHU Wenwu,et al.Monitoring vertical ground deformation in the north China plain using the multitrack PSInSAR technique[J].Chinese Journal of Geophysics,2014,57(10):3129-3139.
[6]贾洪果,刘国祥,于冰.基于超短基线PSInSAR的道路网沉降监测[J].测绘通报,2012(5):24-28.JIA Hongguo,LIU Guoxiang,YU Bing.Monitoring subsidence along road network by ultrashort baseline PSInSAR[J].Bulletin of Surveying and Mapping,2012(5):24-28.
[7]游新兆,乔学军,王琪,等.合成孔径雷达干涉测量原理与应用[J].大地测量与地球动力学,2002,22(3):109-116.YOU Xinzhao,QIAO Xuejun,WANG Qi,et al.Synthetic aperture radar interferometry and ITS application[J].Journal of Geodesy and Geodynamics,2002,22(3):109-116.
[8]张洁,胡光道.基于合成孔径雷达干涉测量技术的地面沉降研究综述[J].地质科技情报,2005,24(3):104-108.ZHANG Jie,HU Guangdao.Review on land subsidence monitoring by InSAR[J].Geological Science and Technology Information,2005,24(3):104-108.
[9]FERRETTI A,PRATI C,ROCCA F.Permanent scatterers in SAR interferometry[J].Geoscience and Remote Sensing,IEEE Transactions on,2001,39(1):8-20.
[10]白泽朝,靳国旺,张红敏,等.天津地区Sentinel-1A雷达影像PSInSAR地面沉降监测[J].测绘科学技术学报,2017,34(3):283-288.BAI Zechao,JIN Guowang,ZHANG Hongmin,et al.Subsidence monitoring of Tianjin using PSInSAR technique with Sentinel-1A[J].Journal of Geomatics Science and Technology,2017,34(3):283-288.
[11]李曼,葛大庆,张玲,等.基于PSInSAR技术的曹妃甸新区地面沉降发育特征及其影响因素分析[J].国土资源遥感,2016,28(4):119-126.LI Man,GE Daqing,ZHANG Ling,et al.Characteristics and influencing factors of land subsidence in Caofeidian newly-developed area based on PSInSAR technique[J].Remote Sensing for Land&Resources,2016,28(4):119-126.
[12]黄佳璇.基于PSInSAR蠕动型滑坡动态监测及区域稳定性分析[D].北京:北京科技大学,2018.
[13]邹昊,邓喀中.基于PSInSAR技术的老采空区地表沉降监测研究[J].煤炭技术,2017,36(5):175-177.ZOU Hao,DENG Kazhong.Monitoring of old goaf surface subsidence based on PSInSAR technique[J].Coal Technology,2017,36(5):175-177.
[14]龚文瑜.基于永久散射体雷达干涉测量技术的城市地表沉降监测试验研究[D].北京:中国测绘科学研究院,2009.
[15]胡波,汪汉胜,贾路路.PSInSAR永久散射体的自动探测[J].测绘科学,2011,36(2):50-52.HU Bo,WANG Hansheng,JIA Lulu.Automatic detection of permanent scatterers in PSInSAR[J].Science of Surveying and Mapping,2011,36(2):50-52.
[16]POPOV B H.Optimum strength and safety factor for chamber pillar[J].Foreign Mining Technology Bulletin,1987,18:14-15.