Articles | Volume 18, issue 5
https://doi.org/10.5194/essd-18-3481-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-3481-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Data description article
| 
22 May 2026
Data description article |
| 22 May 2026
| 22 May 2026
GRACE and GRACE-FO mascons for ocean dynamic applications
College of Marine Science, University of South Florida, St. Petersburg, FL 33701, USA
Nadège Pie
Center for Space Research, University of Texas at Austin, Austin, TX 78759-5321, USA
Mark E. Tamisiea
Center for Space Research, University of Texas at Austin, Austin, TX 78759-5321, USA
Don Chambers
College of Marine Science, University of South Florida, St. Petersburg, FL 33701, USA
Himanshu Save
Center for Space Research, University of Texas at Austin, Austin, TX 78759-5321, USA
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Two Uncrewed Surface Vehicles (USVs) collected observations of ocean/atmosphere pCO2 in 2022–2023 in the South Indian Ocean. The primary goal of the mission was to collect data within cyclonic and anticyclonic eddies during Austral Winter along the Polar Front. Unfortunate issues with the vehicles led to observations being collected in the spring and summer months and north of the Polar Front. Twelve eddies were sampled, but no meaningful relationship between pCO2 anomalies and eddies was found.
Inès N. Otosaka, Andrew Shepherd, Erik R. Ivins, Nicole-Jeanne Schlegel, Charles Amory, Michiel R. van den Broeke, Martin Horwath, Ian Joughin, Michalea D. King, Gerhard Krinner, Sophie Nowicki, Anthony J. Payne, Eric Rignot, Ted Scambos, Karen M. Simon, Benjamin E. Smith, Louise S. Sørensen, Isabella Velicogna, Pippa L. Whitehouse, Geruo A, Cécile Agosta, Andreas P. Ahlstrøm, Alejandro Blazquez, William Colgan, Marcus E. Engdahl, Xavier Fettweis, Rene Forsberg, Hubert Gallée, Alex Gardner, Lin Gilbert, Noel Gourmelen, Andreas Groh, Brian C. Gunter, Christopher Harig, Veit Helm, Shfaqat Abbas Khan, Christoph Kittel, Hannes Konrad, Peter L. Langen, Benoit S. Lecavalier, Chia-Chun Liang, Bryant D. Loomis, Malcolm McMillan, Daniele Melini, Sebastian H. Mernild, Ruth Mottram, Jeremie Mouginot, Johan Nilsson, Brice Noël, Mark E. Pattle, William R. Peltier, Nadege Pie, Mònica Roca, Ingo Sasgen, Himanshu V. Save, Ki-Weon Seo, Bernd Scheuchl, Ernst J. O. Schrama, Ludwig Schröder, Sebastian B. Simonsen, Thomas Slater, Giorgio Spada, Tyler C. Sutterley, Bramha Dutt Vishwakarma, Jan Melchior van Wessem, David Wiese, Wouter van der Wal, and Bert Wouters
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By measuring changes in the volume, gravitational attraction, and ice flow of Greenland and Antarctica from space, we can monitor their mass gain and loss over time. Here, we present a new record of the Earth’s polar ice sheet mass balance produced by aggregating 50 satellite-based estimates of ice sheet mass change. This new assessment shows that the ice sheets have lost (7.5 x 1012) t of ice between 1992 and 2020, contributing 21 mm to sea level rise.
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Short summary
A GRACE (Gravity Recovery and Climate Experiment)/GRACE-FO (Follow-On) mascon series is designed for studying ocean mass transport and circulation variations. Mass distribution changes caused by major oceanic earthquakes and barystatic gravity, rotation, and deformation (GRD) have been removed. Errors were reduced via processing and regularization changes, particularly in the Arctic and near the removed earthquakes. This data set is designed for
off-the-shelfoceanographic use.
A GRACE (Gravity Recovery and Climate Experiment)/GRACE-FO (Follow-On) mascon series is designed...
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Final-revised paper
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