Conflicting proxies for the size of early Antarctic ice sheets have been puzzling. A reconstruction of West Antarctica's past elevation suggests that the disagreement stems from an underestimation of Antarctica's surface area above sea level.
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Studinger, M., Barrett, P. Antarctica sinking. Nature Geosci 2, 671–672 (2009). https://doi.org/10.1038/ngeo644
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DOI: https://doi.org/10.1038/ngeo644
