Publications related to the GRACE Missions (no abstracts)

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Evaluation of globally gridded precipitation data and satellite-based terrestrial water storage products using hydrological drought recovery time

Çakan, Çağatay, Yımaz, M. Tuğrul, Dobslaw, Henryk, Ince, E. Sinem, Evrendilek, Fatih, Förste, Christoph, and Yagci, Ali Levent, 2025. Evaluation of globally gridded precipitation data and satellite-based terrestrial water storage products using hydrological drought recovery time. Hydrology and Earth System Sciences Discussions, 29(14):3359–3377, doi:10.5194/hess-29-3359-2025.

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@ARTICLE{2025HESSD..29.3359C,
       author = {{{\c{C}}akan}, {\c{C}}a{\u{g}}atay and {Y{\i}maz}, M. Tu{\u{g}}rul and {Dobslaw}, Henryk and {Ince}, E. Sinem and {Evrendilek}, Fatih and {F{\"o}rste}, Christoph and {Yagci}, Ali Levent},
        title = "{Evaluation of globally gridded precipitation data and satellite-based terrestrial water storage products using hydrological drought recovery time}",
      journal = {Hydrology and Earth System Sciences Discussions},
         year = 2025,
        month = jul,
       volume = {29},
       number = {14},
        pages = {3359-3377},
     abstract = "{Accurate precipitation observations are crucial for understanding
        meteorological and hydrological processes. Most precipitation
        products rely on station-based observations, either directly or
        for bias-corrected satellite retrievals. To validate these
        station-based precipitation products, additional independent
        data sources are necessary. This study aims to assess the
        performance of the Global Precipitation Climatology Centre
        (GPCC) Full Data Monthly Product v2022 and Global Precipitation
        Climatology Project (GPCP) v3.2 Monthly Analysis Product by
        estimating the hydrological drought recovery time (DRT) from
        precipitation and the terrestrial water storage anomaly (TWSA)
        acquired from satellite gravimetry. This study also evaluates
        the drought monitoring performance of G3P and JPL mascon total
        water storage (TWS) monthly solutions from the Gravity Recovery
        and Climate Experiment (GRACE) and GRACE Follow-On (GRACE-FO)
        satellite missions. The current study employed two methods to
        estimate DRT and evaluated the consistency of DRT estimates by
        calculating the time difference in DRT values derived from the
        two methods. Globally and across all climate zones, GPCC and
        GPCP showed comparable performance in hydrological applications
        with no significant differences in the mean DRT estimates. For
        the TWS products, DRT estimates using JPL mascon were, on
        average, 2.6 months longer than those using G3P. However, G3P
        showed approximately 5.0 \% higher consistency than JPL mascon
        globally and across each climate zone, suggesting its better
        suitability for more precise drought-related analyses. These
        findings indicate that G3P outperforms JPL mascon in aligning
        with precipitation products and offers better consistency in DRT
        estimation. These results provide valuable insights into the
        accuracy of precipitation and TWSA products by utilizing
        hydrological drought characteristics, enhancing our
        understanding of meteorological and hydrological processes.}",
          doi = {10.5194/hess-29-3359-2025},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2025HESSD..29.3359C},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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