GRACE and GRACE-FO Related Publications (no abstracts)

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Global Glacial Isostatic Adjustment Constrained by GPS Measurements: Spherical Harmonic Analyses of Uplifts and Geopotential Variations

Zhou, Yan, Yang, Shaomin, Luo, Jiesi, Ray, Jim, Huang, Yong, and Li, Jiancheng, 2020. Global Glacial Isostatic Adjustment Constrained by GPS Measurements: Spherical Harmonic Analyses of Uplifts and Geopotential Variations. Remote Sensing, 12(7):1209, doi:10.3390/rs12071209.

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@ARTICLE{2020RemS...12.1209Z,
       author = {{Zhou}, Yan and {Yang}, Shaomin and {Luo}, Jiesi and {Ray}, Jim and {Huang}, Yong and {Li}, Jiancheng},
        title = "{Global Glacial Isostatic Adjustment Constrained by GPS Measurements: Spherical Harmonic Analyses of Uplifts and Geopotential Variations}",
      journal = {Remote Sensing},
     keywords = {glacial isostatic adjustment, vertical crustal deformation, GPS, geopotential, GRACE},
         year = 2020,
        month = apr,
       volume = {12},
       number = {7},
          eid = {1209},
        pages = {1209},
     abstract = "{In addition to studies of sea level change and mantle rheology, reliable
        Glacial Isostatic Adjustment (GIA) models are necessary as a
        background model to correct the widely used Gravity Recovery and
        Climate Experiment (GRACE) monthly gravity solutions to
        determine subsecular, nonviscous variations. Based on spherical
        harmonic analyses, we developed a method using degree-dependent
        weighting to assimilate the Global Positioning System (GPS)
        derived crustal uplift rates into GIA model predictions, in
        which the good global pattern of GIA model predictions and
        better local resolution of GPS solutions are both retained. Some
        systematic errors in global GPS uplift rates were also corrected
        during the spherical harmonic analyses. Further, we used the
        refined GIA uplift rates to infer the GIA-induced rates of
        Stokes coefficients (complete to degree/order 120) relying on
        the accurate relationship between GIA vertical surface
        deformation and gravitational potential changes. The results
        show notable improvements relative to GIA model outputs, and may
        serve as a GIA-correction model for GRACE time-variable gravity
        data.}",
          doi = {10.3390/rs12071209},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2020RemS...12.1209Z},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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