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Understanding the different responses from the similarity between displacement and groundwater level time series in Beijing, China

Author

Listed:
  • Hanrui Sun

    (Capital Normal University
    Beijing Laboratory of Water Resources Security
    MOE
    MNR)

  • Lin Zhu

    (Capital Normal University
    Beijing Laboratory of Water Resources Security
    MOE
    MNR)

  • Lin Guo

    (Capital Normal University
    Beijing Laboratory of Water Resources Security
    MOE
    MNR)

  • Yong Luo

    (Beijing Institute of Hydrogeology and Engineering Geology)

  • Dong Du

    (Tianjin Center of China Geological Survey)

  • Ying Sun

    (Beijing Institute of Hydrogeology and Engineering Geology)

Abstract

The quantitative relationship between the groundwater level (GWL) and land subsidence is essential to understand, prevent and control subsidence. This study compares the subsidence due to GWL variation at different locations and aquifer layers during the operation of the South-to-North Water Diversion Project Central Route (SNWDP-CR) in China. Sixty-nine synthetic aperture radar (SAR) images in Beijing from 2012 to 2017 are obtained to calculate the displacement using the interferometry technique. The results indicate that the subsidence with uplift or mitigation is consistent with groundwater rise or drawdown deceleration. The dynamic time warping (DTW) method is applied to compare the similarity between subsidence and GWL time series waveforms. We find that the similarity between these two activities tends to increase after the SNWDP-CR. The similarity between the subsidence and confined GWL is controlled by the hydrogeological setting. In general, it tends to increase from the upper part to the lower part of the alluvial fan. However, the similarity between the subsidence and unconfined GWL shows irregular pattern due to rainfall interference. The average similarity between the subsidence and GWL at depths of 100–180 m and that at over 250 m is 75% and 64%, respectively, prior to the SNWDP-CR. In contrast, these two values increase to 83% and 81%, respectively, after the SNWDP-CR. This indicates that the impact of deeper aquifers to the subsidence increases after the SNWDP-CR, and the depth of the contributing aquifer is 100–180 m and locally exceeds 250 m. This study provides technical support for strategic decisions on water resource management and subsidence prevention within the context of the SNWDP-CR.

Suggested Citation

  • Hanrui Sun & Lin Zhu & Lin Guo & Yong Luo & Dong Du & Ying Sun, 2022. "Understanding the different responses from the similarity between displacement and groundwater level time series in Beijing, China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 111(1), pages 1-18, March.
    • Handle: RePEc:spr:nathaz:v:111:y:2022:i:1:d:10.1007_s11069-021-05041-9
    DOI: 10.1007/s11069-021-05041-9
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    References listed on IDEAS

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    1. Hamidreza Koohbanani & Mohammadreza Yazdani & Sayyed Keivan Hosseini, 2020. "Spatiotemporal relation of RADAR-derived land subsidence with groundwater and seismicity in Semnan—Iran," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 103(1), pages 785-798, August.
    2. Anh Cao & Miguel Esteban & Takashi Mino, 2020. "Adapting wastewater treatment plants to sea level rise: learning from land subsidence in Tohoku, Japan," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 103(1), pages 885-902, August.
    3. Yongyong Li & Huili Gong & Lin Zhu & Xiaojuan Li & Rong Wang & Gaoxuan Guo, 2017. "Characterizing land displacement in complex hydrogeological and geological settings: a case study in the Beijing Plain, China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 87(1), pages 323-343, May.
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