Publications related to the GRACE Missions (no abstracts)

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Elastic Displacement of the Solid Earth and GRACE/GRACE-FO Response to Variations in Global Lake and Reservoir Storage

Gaastra, Kevin M., Argus, Donald F., Landerer, Felix W., Wiese, David N., and Ellmer, Matthias, 2025. Elastic Displacement of the Solid Earth and GRACE/GRACE-FO Response to Variations in Global Lake and Reservoir Storage. Journal of Geophysical Research (Solid Earth), 130(11):e2025JB031750, doi:10.1029/2025JB031750.

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@ARTICLE{2025JGRB..13031750G,
       author = {{Gaastra}, Kevin M. and {Argus}, Donald F. and {Landerer}, Felix W. and {Wiese}, David N. and {Ellmer}, Matthias},
        title = "{Elastic Displacement of the Solid Earth and GRACE/GRACE-FO Response to Variations in Global Lake and Reservoir Storage}",
      journal = {Journal of Geophysical Research (Solid Earth)},
     keywords = {hydrology, lake water storage, GRACE mass change, GNSS displacements, elastic deformation, glacial isostatic adjustment, plate tectonics},
         year = 2025,
        month = nov,
       volume = {130},
       number = {11},
          eid = {e2025JB031750},
        pages = {e2025JB031750},
     abstract = "{We estimate the solid Earth's elastic response and change in equivalent
        water thickness produced by 983 global natural lakes and
        artificial reservoirs. Using the altimetry and LandSat based
        lake water storage compilation of Yao et al. (2023b,
        https://zenodo.org/records/7946043), we assemble the following
        data products: (a) change in water volume for 287 natural lakes
        and 696 artificial reservoirs interpolated to be continuous from
        October 1992 to October 2020, (b) maps of change in lake water
        storage each month, (c) lake-generated change in equivalent
        water thickness as seen by Gravity Recovery and Climate
        Experiment (GRACE) in spherical harmonic coefficients and
        3-degree mass concentration elements (mascons), (d) lake-
        generated east, north, and up components of elastic displacement
        at 19,827 Global Navigation Satellite System (GNSS) sites that
        the Nevada Geodetic Laboratory analyzes. Removing estimates of
        lake water storage reduces the variance of 79\% of the 333
        affected 3-degree mascons in JPL's mascon solution, with a mean
        reduction of 2 cm (7\%). In northern North America and Asia,
        lake water storage is predicted to reach its seasonal maximum
        4─6 months after observed terrestrial water storage from GRACE,
        which can increase GRACE's variance when lake water is removed.
        Removing lake-generated elastic displacements from GNSS station
        displacements reduces the weighted root mean square of residuals
        relative to a trended sinusoid with a seasonal period by an
        average of 4 mm (12\%). Applications of GNSS displacements
        observations, such as glacial isostatic adjustment modeling and
        tectonic reconstructions can be biased due to lake water loading
        in the case of stations with short records and large lake water
        changes.}",
          doi = {10.1029/2025JB031750},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2025JGRB..13031750G},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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