Integrating PS-InSAR and SBAS-InSAR for mining surface settlement monitoring
Authors
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YANG YUAN-JI -
ZHANG WEN-JUN
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GENG SHI-HUA
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MIAO JUN-YI
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SHEN RUI
DOI:
https://doi.org/10.18311/jmmf/2021/29427Keywords:
Fusion, PS-InSAR, SBAS-InSAR, mining area, land subsidence.Abstract
Based on 38 Sentinel-1A images, this paper imports GCP points generated by PS-InSAR into SBAS-InSAR, instead of manually selected GCP points, extracts surface deformation in the study area, and compares and analyzes with traditional GPS monitoring data. The results show that during the study period, obvious settlement funnels appeared in the southern and eastern parts of the study area. The maximum settlement along the line of sight reached 66mm, and the maximum settlement rate was -53mm/ a, and the settlement results of InSAR are consistent with GPS monitoring results. The consistency verifies the feasibility of integrating InSAR technology to monitor surface subsidence in mining areas.
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Accepted 2022-01-24
Published 2022-01-24
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