Articles | Volume 21, issue 8
Nat. Hazards Earth Syst. Sci., 21, 2285–2297, 2021
https://doi.org/10.5194/nhess-21-2285-2021
Nat. Hazards Earth Syst. Sci., 21, 2285–2297, 2021
https://doi.org/10.5194/nhess-21-2285-2021

Research article 03 Aug 2021

Research article | 03 Aug 2021

Spatial and temporal subsidence characteristics in Wuhan (China), during 2015–2019, inferred from Sentinel-1 synthetic aperture radar (SAR) interferometry

Xuguo Shi et al.

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Short summary
We mapped the subsidence of Wuhan using Sentinel-1 synthetic aperture radar (SAR) images acquired during 2015–2019. Overall subsidence coincides with the distribution of engineered geological regions with soft soils, while the subsidence centers shifted with urban construction activities. Correlation between karst subsidence and concentrated rainfall was identified in Qingling–Jiangdi. Results indicate that interferometric SAR can be employed to routinely monitor and identify geohazards.
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