Study on Surface Settlement of Jinchuan Coppernickel Area in Time Series Insar

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Authors

  • Southwest University of Science and Technology ,CN
  • Southwest University of Science and Technology ,CN
  • Southwest University of Science and Technology ,CN
  • Southwest University of Science and Technology ,CN

Keywords:

timing D-InSAR; SBAS-InSAR; Sentinel-1A; surface subsidence.

Abstract

Surface settlement problem in Jinchuan copper-nickel mine area, this paper applies SBAS-InSAR technology and time series D-InSAR technology, and uses multi-temporal Sentinel-1A interference image to study the ground settlement in this area. Timing D-InSAR technology and SBAS-InSAR technology are used for monitoring. After two results comparison and verification analysis, there are two obvious settlement funnels in the mining area, namely 5-7 rows and old pits in the West 2 mining area, and the maximum settlement rate in the 5-7 rows in the West 2 mining area is -13mm/year. The maximum line shape of the radar line of sight is 13mm, and the settlement area reaches 0.45km2. There is obvious settlement in the southeast of the old pit. The maximum rate of settlement is -85mm/year, and the maximum line shape of the radar line of sight is 78mm. The settlement area has reached 1.4km2 provides an important basis for the safe production of Jinchuan coppernickel mine.

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Published

2022-10-20

How to Cite

Weihong, W., Ning, Y., Dan, H., & Wentao, Z. (2022). Study on Surface Settlement of Jinchuan Coppernickel Area in Time Series Insar. Journal of Mines, Metals and Fuels, 67(12), 532–536. Retrieved from https://informaticsjournals.com/index.php/jmmf/article/view/31671

 

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