PSInSAR在铅山县矿区地表沉降监测中的应用

doi:10.3969/j.issn.0255-8297.2018.06.009

Abstract

Abstract: Persistent scatterer InSAR (PS InSAR) is capable of detecting a certain number of persistent scatterers (PS) by analyzing the stability of amplitude and phase of images covering the same area. The persistent scatterers are used to model and analyze the deformation of target areas. Taking the Yanshan, an important metal mining area in Shangrao of Jiangxi Province, as an experimental area, this paper took 18 sentinel-1A images from 2016-08 to 2017-03 to analyze land subsidence caused by mining based on PSInSAR. Experimental results show that there is a heavy subsidence in Yongping Copper Mine. The maximum land subsidence velocity of Yongping Mine is -90 mm/y, and the area subsidence takes the similar distribution with the mining distribution. The area bound by Yiyang County and Hengfeng County has a weaker subsidence, with subsidence velocity of -20 mm/y. The experiment shows that PSInSAR is effective in monitoring metal mining area.

Key words: persistent scatterer InSAR (PSInSAR), subsidence velocity, mine deformation, land subsidence

CLC Number:

P237

MA Fei-hu, JIANG Shan-shan, SUN Cui-yu. Application of PSInSAR in Monitoring Land Subsidence in Yanshan Mining Area[J]. Journal of Applied Sciences, 2018, 36(6): 969-977.

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Application of PSInSAR in Monitoring Land Subsidence in Yanshan Mining Area

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