GRACE and GRACE-FO Related Publications (no abstracts)

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Study on the Relationship between Groundwater and Land Subsidence in Bangladesh Combining GRACE and InSAR

Ouyang, Liu, Zhao, Zhifang, Zhou, Dingyi, Cao, Jingyao, Qin, Jingyi, Cao, Yifan, and He, Yang, 2024. Study on the Relationship between Groundwater and Land Subsidence in Bangladesh Combining GRACE and InSAR. Remote Sensing, 16(19):3715, doi:10.3390/rs16193715.

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@ARTICLE{2024RemS...16.3715O,
       author = {{Ouyang}, Liu and {Zhao}, Zhifang and {Zhou}, Dingyi and {Cao}, Jingyao and {Qin}, Jingyi and {Cao}, Yifan and {He}, Yang},
        title = "{Study on the Relationship between Groundwater and Land Subsidence in Bangladesh Combining GRACE and InSAR}",
      journal = {Remote Sensing},
     keywords = {GRACE, InSAR, groundwater, land subsidence, LiCSBAS, Bangladesh},
         year = 2024,
        month = oct,
       volume = {16},
       number = {19},
          eid = {3715},
        pages = {3715},
     abstract = "{Due to a heavy reliance on groundwater, Bangladesh is experiencing a
        severe decline in groundwater storage, with some areas even
        facing land subsidence. This study aims to investigate the
        relationship between groundwater storage changes and land
        subsidence in Bangladesh, utilizing a combination of GRACE and
        InSAR technologies. To clarify this relationship from a macro
        perspective, the study employs GRACE data merged with GLDAS to
        analyze changes in groundwater storage and SBAS-InSAR technology
        to assess land subsidence. The Dynamic Time Warping (DTW) method
        calculates the similarity between groundwater storage and land
        subsidence time series, incorporating precipitation and land
        cover types into the data analysis. The findings reveal the
        following: (1) Groundwater storage in Bangladesh is declining at
        an average rate of ‑5.55 mm/year, with the most significant
        declines occurring in Rangpur, Mymensingh, and Rajshahi.
        Notably, subsidence areas closely match regions with deeper
        groundwater levels; (2) The similarity coefficient between the
        time series of groundwater storage and land subsidence changes
        exceeds 0.85. Additionally, land subsidence in different regions
        shows an average lagged response of 2 to 6 months to changes in
        groundwater storage. This study confirms a connection between
        groundwater dynamics and land subsidence in Bangladesh,
        providing essential knowledge and theoretical support for
        further research.}",
          doi = {10.3390/rs16193715},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2024RemS...16.3715O},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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