Mine Subsidence Monitoring Integrating DS-InSAR with UAV Photogrammetry Products: Case Studies on Hebei and Inner Mongolia

Article Engineering, Electrical & Electronic

Revealing Land Surface Deformation Over the Yineng Backfilling Mining Area, China, by Integrating Distributed Scatterer SAR Interferometry and a Mining Subsidence Model

Yu Chen et al.

Summary: Regularly monitoring the surface deformation of filling coal mines and understanding their spatiotemporal evolution characteristics is important for mining management and disaster warning. However, there is a lack of research on extracting spatiotemporal evolution characteristics of large-scale and high-resolution surface deformation in backfill mining areas and on evaluating the filling effectiveness of subsidence restraint. In this study, the DS InSAR technique was used for time-series analysis in the Yineng Coal Mine in China. The results show that the proposed integration strategy improves monitoring and provides information on the surface deformation of the working face. Backfilling mining effectively reduces subsidence and threat to surface buildings.

IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING (2023)

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Article Environmental Sciences

Interpretation of the Spatiotemporal Evolution Characteristics of Land Deformation in Beijing during 2003-2020 Using Sentinel, ENVISAT, and Landsat Data

Shuangcheng Zhang et al.

Summary: This study used InSAR technology and satellite data to reveal the characteristics of land deformation in Beijing and investigated the evolution of long-term land subsidence. The results showed that land subsidence in Beijing is unevenly distributed, with the most pronounced deformation in the northeast. Additionally, changes in groundwater level were closely related to land subsidence, while land use type and precipitation had minimal influence.

REMOTE SENSING (2022)

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Article Engineering, Electrical & Electronic

NL-MMSE: A Hybrid Phase Optimization Method in Multimaster Interferogram Stack for DS-InSAR Applications

Youfeng Liu et al.

Summary: This article proposes a hybrid phase optimization method based on DS-InSAR technology, which improves the quality of phase optimization by selecting corresponding optimization methods based on the distribution of statistically homogeneous pixels. The method shows good performance in deformation monitoring and accurately detects deformation characteristics of low-coherence surfaces.

IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING (2022)

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Article Engineering, Environmental

Monitoring of surface deformation in a low coherence area using distributed scatterers InSAR: case study in the Xiaolangdi Basin of the Yellow River, China

Youfeng Liu et al.

Summary: The study used DS-InSAR to monitor the surface deformation in the Xiaolangdi Basin of the Yellow River, revealing significant deformation rates in the Xiaolangdi project and its surrounding areas. Verification using SBAS InSAR and DS-InSAR showed high consistency in monitoring results.

BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT (2021)

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Article Environmental Sciences

Use of Multiplatform SAR Imagery in Mining Deformation Monitoring with Dense Vegetation Coverage: A Case Study in the Fengfeng Mining Area, China

Bochen Zhang et al.

Summary: Ground deformation related to mining activities can lead to disasters such as ground fissures, collapses, and earthquakes. This study utilizes multiple-platform SAR images to monitor mining deformation over dense vegetation areas, revealing significant subsidence in the Fengfeng mining area. Results show that the root-mean-square error between InSAR and leveling measurements is 83.5 mm/year at two mining sites.

REMOTE SENSING (2021)

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Article Environmental Sciences