GRACE and GRACE-FO Related Publications (no abstracts)

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Vertical Displacements Driven by Groundwater Storage Changes in the North China Plain Detected by GPS Observations

Liu, Renli, Zou, Rong, Li, Jiancheng, Zhang, Caihong, Zhao, Bin, and Zhang, Yakun, 2018. Vertical Displacements Driven by Groundwater Storage Changes in the North China Plain Detected by GPS Observations. Remote Sensing, 10(2):259, doi:10.3390/rs10020259.

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@ARTICLE{2018RemS...10..259L,
       author = {{Liu}, Renli and {Zou}, Rong and {Li}, Jiancheng and {Zhang}, Caihong and {Zhao}, Bin and {Zhang}, Yakun},
        title = "{Vertical Displacements Driven by Groundwater Storage Changes in the North China Plain Detected by GPS Observations}",
      journal = {Remote Sensing},
     keywords = {GPS, GRACE, vertical displacement, groundwater storage},
         year = 2018,
        month = feb,
       volume = {10},
       number = {2},
          eid = {259},
        pages = {259},
     abstract = "{The North China Plain (NCP) has been experiencing the most severe
        groundwater depletion in China, leading to a broad region of
        vertical motions of the Earth's surface. This paper explores the
        seasonal and linear trend variations of surface vertical
        displacements caused by the groundwater changes in NCP from 2009
        to 2013 using Global Positioning System (GPS) and Gravity
        Recovery and Climate Experiment (GRACE) techniques. Results show
        that the peak-to-peak amplitude of GPS-derived annual variation
        is about 3.7\raisebox{-0.5ex}\textasciitilde6.0 mm and is highly
        correlated (R > 0.6 for most selected GPS stations) with results
        from GRACE, which would confirm that the vertical displacements
        of continuous GPS (CGPS) stations are mainly caused by
        groundwater storage (GWS) changes in NCP, since GWS is the
        dominant component of total water storage (TWS) anomalies in
        this area. The linear trends of selected bedrock-located IGS
        CGPS stations reveal the distinct GWS changes in period of
        2009-2010 (decrease) and 2011-2013 (rebound), which are
        consistent with results from GRACE-derived GWS anomalies and in
        situ GWS observations. This result implies that the rate of
        groundwater depletion in NCP has slowed in recent years. The
        impacts of geological condition (bedrock or sediment) of CGPS
        stations to their results are also investigated in this study.
        Contrasted with the slight linear rates
        (-0.69\raisebox{-0.5ex}\textasciitilde1.5 mm/a) of bedrock-
        located CGPS stations, the linear rates of sediment-located CGPS
        stations are between -44 mm/a and -17 mm/a. It is due to the
        opposite vertical displacements induced by the Earth surface's
        porous and elastic response to groundwater depletion. Besides,
        the distinct renewal characteristics of shallow and deep
        groundwater in NCP are discussed. The GPS-based vertical
        displacement time series, to some extent, can reflect the
        quicker recovery of shallow unconfined groundwater than the deep
        confined groundwater in NCP; through one month earlier to attain
        the maximum height for CGPS stations nearby shallow groundwater
        depression cones than those nearby deep groundwater depression
        cones.}",
          doi = {10.3390/rs10020259},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2018RemS...10..259L},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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