Abstract
Climate Change The massive West Antarctic Ice Sheet (WAIS) is now melting at an accelerated rate in response to anthropogenic greenhouse gas emissions, and exactly how this will affect global climate remains poorly understood. Widely available predictive global climate models do not adequately account for ice sheet physics. Using a newly developed model that incorporates ice sheet thermodynamics, Rogstad et al. explored the potential effects of WAIS melting on the global climate. Their model not only predicts a significantly greater increase in subsurface ocean temperatures near the WAIS margins than earlier models but also suggests that simultaneous decreases in air and ocean surface temperature, as well as expanded sea ice, will delay previously predicted increases in global warming by several decades. Sci. Adv. 10.1126/sciadv.aaz1169 (2020).
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