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Summary of Proposal LAN1425

TitleMining area subsidence monitoring by InSAR-GIS integration
Investigator CHEN, Bingqian - China University of Mining and Technology, School of Environment Science
Team Member
PhD Candidate Li, Peixian - China University of Mining and Technology, School of Environment Science and Spatial informatics
Master Candidate Zhang, Junna - China University of Mining and Technology, School of Environment Science and Spatial informatics
Master Candidate Qian, Jin - China University of Mining and Technology, School of Environment Science and Spatial informatics
PhD Candidate Hao, Ming - China University of Mining and Technology, School of Environment Science and Spatial informatics
PhD Candidate Wang, Xiaohua - China University of Mining and Technology, School of Environment Science and Spatial informatics
PhD Candidate Hua, Fenfen - China University of Mining and Technology, School of Environment Science and Spatial informatics
PhD Candidate Zhang, Liya - China University of Mining and Technology, School of Environment Science and Spatial informatics
PhD Candidate Liu, Hui - China University of Mining and Technology, School of Environment Science and Spatial informatics
PhD Candidate Yao, Guobiao - China University of Mining and Technology, School of Environment Science and Spatial informatics
Professor Tan, Zhixiang - China University of Mining and Technology, School of Environment Science and Spatial informatics
SummaryChina is a country big in mineral resource exploitation. With its rapid socio-economic development, the demand for mining underground energy resources and minerals will be further expanded. With the advance of exploitation, mining areas will be extended under cities, towns, villages, major transport lines, water systems and so on, which will, inevitably, result in surface deformation. This will cause great damage to land resources, the environment of mining areas and is also detrimental to the oft stated goal of a harmonious development of society. For a sustainable development of mining areas, we need to establish a more detailed forecasting system for surface deformation in mining areas. Although there are successful cases for monitoring mining areas subsidence using InSAR technology, the extent of subsidence and influence can not be specified, we can only get subsidence values and general subsidence location by using single InSAR technology. The project aims to monitoring mining area subsidence by using high resolution TerraSAR-X SAR data with integrating GIS. To eliminate atmospheric phase screen (APS), we will use D-InSAR technique as well as PS-InSAR technique for comparison. Our results will be tested against leveling data, GPS and other InSAR observation using other SAR observations, including C-band and L-band. These comparisons will provide useful tests for the general feasibility test and accuracy assessment of X-band InSAR technique in mining areas. After InSAR processing, the underground mine production maps for the related area were digitized and incorporated to GIS. Finally, we can get the relationship between the obtained surface deformations and the mining activity.

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