Acknowledgments: We thank Michiel van den Broeke for providing RACMO model outputs, and the Gravity Information Service of the German Research Centre for Geosciences (GFZ) for making GRACE products available. We thank Christopher Watson and Richard Coleman for helpful discussions on the analysis and interpretation.
Funding:
Australian Research Council Special Research Initiative, Australian Centre for Excellence in Antarctic Science (Project Number SR200100008) (MAK, XZ)
Centre for Southern Hemisphere Oceans Research (CSHOR), jointly funded by the Qingdao National Laboratory for Marine Science and Technology (QNLM, China) and the Commonwealth Scientific and Industrial Research Organisation (CSIRO, Australia) (MAK, KL, XZ)
Author contributions:Conceptualization: MAK, XZ Methodology: KL, MAK Formal analysis: MAK, KL, XZ Visualization: MAK, KL Funding acquisition: XZ, MAK Project administration: MAK Writing – original draft: MAK Writing – review & editing: MAK, KL, XZCompeting interests:Authors declare that they have no competing interests.Data and materials availability: All source GRACE data are in public databases as described in the Material and Methods section. The output and SMB data and codes will be made available via the University of Tasmania Research Data Portal prior to publication.