Publications related to the GRACE Missions (no abstracts)

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Observation–based analysis of groundwater storage in Vietnam's Central Highlands: influence of hydro–climatic variability

Sayyadi, Sara, Nguyen, Viet Dung, Apel, Heiko, Haas, Julian, Dang, Tran Trung, Than, Van Don, Nguyen, Nghia Hung, and Güntner, Andreas, 2025. Observation–based analysis of groundwater storage in Vietnam's Central Highlands: influence of hydro–climatic variability. Hydrological Sciences Journal, 70(16):2993–3012, doi:10.1080/02626667.2025.2568558.

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@ARTICLE{2025HydSJ..70.2993S,
       author = {{Sayyadi}, Sara and {Nguyen}, Viet Dung and {Apel}, Heiko and {Haas}, Julian and {Dang}, Tran Trung and {Than}, Van Don and {Nguyen}, Nghia Hung and {G{\"u}ntner}, Andreas},
        title = "{Observation-based analysis of groundwater storage in Vietnam's Central Highlands: influence of hydro-climatic variability}",
      journal = {Hydrological Sciences Journal},
     keywords = {Groundwater dynamics, GRACE data, G3P gravity-based groundwater product, ENSO, Central Highlands Vietnam, SPEI, climate variability, groundwater recharge, satellite-in-situ integration, Sesan-Srepok river basins},
         year = 2025,
        month = dec,
       volume = {70},
       number = {16},
        pages = {2993-3012},
     abstract = "{This study explores the impact of climatic variability on groundwater
        storage dynamics in the Central Highlands of Vietnam, focusing
        on the Sesan and Srepok River Basins. Different from traditional
        analyses with groundwater levels, groundwater storage variations
        are derived here from (i) the G3P Gravity-based Groundwater
        Product based on satellite gravimetry with GRACE/GRACE-FO and
        (ii) a network of in-situ groundwater level observations
        converted to basin-average storage with lithology-dependent
        specific yield estimates. The results show the dominant impact
        of rainfall variability on groundwater storage variations.
        Beyond the seasonal scale, non-seasonal storage anomalies can
        primarily be explained by the accumulated rainfall and
        evapotranspiration of the previous 9 to 12 months. Weak
        correlations with ENSO variability indicate lower groundwater
        storage in the study area during El Ni{\~n}o periods. The
        evaluation by in-situ observations indicates reasonable
        performance of G3P for assessing the regional-scale groundwater
        storage dynamics in the Central Highlands of Vietnam.}",
          doi = {10.1080/02626667.2025.2568558},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2025HydSJ..70.2993S},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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