Publications related to the GRACE Missions (no abstracts)

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Potential of Ka–Band Range Rate Post–Fit Residuals for High–Frequency Mass Change Applications

Cuadrat–Grzybowski, M., Teixeira da Encarnacao, J. G., and Visser, P. N. A. M., 2025. Potential of Ka–Band Range Rate Post–Fit Residuals for High–Frequency Mass Change Applications. Journal of Geophysical Research (Solid Earth), 130(12):e2025JB031615, doi:10.1029/2025JB031615.

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@ARTICLE{2025JGRB..13031615C,
       author = {{Cuadrat-Grzybowski}, M. and {Teixeira da Encarnacao}, J.~G. and {Visser}, P.~N.~A.~M.},
        title = "{Potential of Ka-Band Range Rate Post-Fit Residuals for High-Frequency Mass Change Applications}",
      journal = {Journal of Geophysical Research (Solid Earth)},
     keywords = {line-of-sight gravity difference, GRACE, high-frequency, mass change models, post-fit residuals, level-1B data, Physics - Geophysics, Astrophysics - Earth and Planetary Astrophysics, Physics - Atmospheric and Oceanic Physics, Physics - Data Analysis, Statistics and Probability},
         year = 2025,
        month = dec,
       volume = {130},
       number = {12},
          eid = {e2025JB031615},
        pages = {e2025JB031615},
     abstract = "{We present the first extensive analysis of K/Ka-band ranging post-fit
        residuals of an official Level-2 product, characterized as Line-
        of-Sight Gravity Differences (LGD), which exhibit and showcase
        interesting sub-monthly geophysical signals. These residuals,
        provided by Center for Space Research, were derived from the
        difference between spherical harmonic coefficient least-squares
        fits and reduced Level-1B range-rate observations. We classified
        the geophysical signals into four distinct categories: oceanic,
        meteorological, hydrological, and solid Earth, focusing
        primarily on the first three categories in this study. In our
        examination of oceanic processes, we identified notable mass
        anomalies in the Argentine basin, specifically within the
        Zapiola Rise, where persistent remnants of the rotating dipole-
        like modes are evident in the LGD post-fit residuals. Our
        analysis extended to the Gulf of Carpentaria and Australia
        during the 2013 Oswald cyclone, revealing significant LGD
        residual anomalies that correlate with cyclone tracking and
        precipitation data. Additionally, we investigated the monsoon
        seasons in Bangladesh, particularly from June─September 2007,
        where we observed peaks in sub-monthly variability. These
        findings were further validated by demonstrating high spatial
        and temporal correlations between gridded LGD residuals and
        ITSG-Grace2018 daily solutions. These identified anomalies are
        associated with significant mass change phenomena, underscoring
        the critical importance of these geophysical signals for future
        high-resolution studies of mass transport.}",
          doi = {10.1029/2025JB031615},
archivePrefix = {arXiv},
       eprint = {2503.04227},
 primaryClass = {physics.geo-ph},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2025JGRB..13031615C},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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