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ORIGINAL RESEARCH article

Front. Earth Sci.
Sec. Geohazards and Georisks
Volume 12 - 2024 | doi: 10.3389/feart.2024.1469772
This article is part of the Research Topic Prevention, Mitigation, and Relief of Compound and Chained Natural Hazards Volume II View all 6 articles

Groundwater Management and geological structure influences on Land Rebound Dynamics: Insights from Managed Aquifer Recharge Operations in Beijing, China

Provisionally accepted
min S. Liu min S. Liu 1,2*Zhou M. Bai Zhou M. Bai 2
  • 1 Beijing Institute of Geology and Mineral Exploration, Beijing, China
  • 2 School of Civil Engineering, Beijing Jiaotong University, Beijing, China

The final, formatted version of the article will be published soon.

    Managed Aquifer Recharge (MAR) has been implemented in the upper alluvial plain of the Chaobai River, significantly affecting the groundwater level and causing it to rise. However, the effects of the MAR on land subsidence, remain largely unknown.Here, an integrated analysis of interferometric synthetic aperture radar (InSAR) data, extensometers and groundwater level was used to show how MAR has affected subsidence.(1) Land rebound was found, with rates increasing from 2.3 mm/a in 2015 to 20 mm/a in 2021. (2) The spread of land rebound extends to the southwest, with the dispersion pattern showing that it is controlled by the pre-existing fault. (3).The groundwater level changes caused by the MAR can cause land rebound, especially near fault footwalls. However, low permeability in fault zones hinders groundwater flow in the hanging wall resulting in slight land deformation. Lithology also affects rebound, with sandy soils showing more significant land rebound, while low-sand 2 areas exhibit limited or delayed rebound. This research provide effective technical support for the scientific replenishment of regional groundwater and the precise prevention and control of subsidence.

    Keywords: Land rebound, Pre-existing fault, Low permeability, Aquifer recharge, Beijing

    Received: 24 Jul 2024; Accepted: 27 Sep 2024.

    Copyright: © 2024 Liu and Bai. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

    * Correspondence: min S. Liu, Beijing Institute of Geology and Mineral Exploration, Beijing, China

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