GRACE and GRACE-FO Related Publications (no abstracts)

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Stabilized mascon solutions through combinations of GRACE and SLR normal equations

Croteau, M. J., Loomis, B. D., and Sabaka, T. J., 2025. Stabilized mascon solutions through combinations of GRACE and SLR normal equations. Geophysical Journal International, 240(3):2000–2005, doi:10.1093/gji/ggaf016.

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@ARTICLE{2025GeoJI.240.2000C,
       author = {{Croteau}, M.~J. and {Loomis}, B.~D. and {Sabaka}, T.~J.},
        title = "{Stabilized mascon solutions through combinations of GRACE and SLR normal equations}",
      journal = {Geophysical Journal International},
         year = 2025,
        month = mar,
       volume = {240},
       number = {3},
        pages = {2000-2005},
     abstract = "{A new global mascon solution using the Gravity Recovery and Climate
        Experiment (GRACE) and GRACE Follow-On data is co-estimated with
        satellite laser ranging (SLR) measurements to seven major
        geodetic satellites. This combined solution is compared with an
        otherwise similar GRACE-only solution to determine improvements
        in the estimate. We find similar performance between both
        solutions in the recovered mass change, but significant
        improvements in the associated errors in the combination
        solution. Errors in recovered basin mass change are 10-20 per
        cent better for the combination solution across all basin sizes,
        with the greatest improvements in high-latitude ice sheets.
        These results lead to our recommendation that all GRACE Level 3
        mascon and spherical harmonic user-oriented gridded solutions
        should include SLR information during the solution inversion. As
        an ancillary contribution, we also provide validation of the
        choice of truncated spherical harmonics used in determining
        GRACE Technical Note 14, the current recommended mechanism for
        including SLR information with GRACE solutions in post-
        processing.}",
          doi = {10.1093/gji/ggaf016},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2025GeoJI.240.2000C},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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