Publications related to the GRACE Missions (no abstracts)

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Dominant spatiotemporal structures in total water storage anomalies

Libero, G. and Ciriello, V., 2025. Dominant spatiotemporal structures in total water storage anomalies. Advances in Water Resources, 203:105015, doi:10.1016/j.advwatres.2025.105015.

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@ARTICLE{2025AdWR..20305015L,
       author = {{Libero}, G. and {Ciriello}, V.},
        title = "{Dominant spatiotemporal structures in total water storage anomalies}",
      journal = {Advances in Water Resources},
     keywords = {GRACE data, Dynamic mode decomposition, Reduced-order model, Hydrology, Dynamic process, Time series},
         year = 2025,
        month = sep,
       volume = {203},
          eid = {105015},
        pages = {105015},
     abstract = "{This study employs Dynamic Mode Decomposition (DMD) to derive a global-
        scale linear model for the temporal evolution of Total Water
        Storage Anomaly (TWSA) measured by GRACE satellite missions,
        with the goal of extracting and analyzing the dominant
        spatiotemporal structures governing TWSA variability. Our
        analysis differentiates modes associated with a periodic dynamic
        {\textendash} linked to precipitation-driven seasonal cycles and
        multi-year variations {\textendash} from those incorporating
        trend effects indicating, on average, a progressive TWSA
        decline. Focusing on the latter, we examine patterns associated
        with extreme TWSA values and their intensification over time. In
        regions experiencing significant TWSA changes over the past
        decade, DMD effectively distinguishes natural variability from
        trends, aligning with previous findings that identify climate
        change and human impact effects in the same regions. This study
        underscores DMD's potential in capturing essential hydrological
        dynamics in data, thus supporting the interpretation of these
        dynamics at the scale of the analysis.}",
          doi = {10.1016/j.advwatres.2025.105015},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2025AdWR..20305015L},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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