From THE EARTH INSTITUTE AT COLUMBIA UNIVERSITY
By mid-century, more Antarctic snowfall may help offset sea-level rise
Increasing precipitation masked by natural variability — for now
Antarctica’s annual mean surface mass balance estimated using CMIP5 climate models. Future snowfall increases will also likely be largest around the edges of the continent, where storms blow in and temperatures tend to be warmer. CREDIT Previdi and Polvani, 2016.
In a new study, scientists used historical records and climate simulations to examine that question. They found that the effect of rising temperatures on snowfall has so far been overshadowed by Antarctica’s large natural climate variability, which comes from random, chaotic variations in the polar weather. By mid-century, however…
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