Shrinking snow and ice cover intensify global warming


flannersnow-coverThe decreases in Earth’s snow and ice cover over the past 30 years have exacerbated global warming more than models predict they should have, on average, new research from the University of Michigan shows. “Our analysis of snow and sea ice changes over the last 30 years indicates that this cryospheric feedback is almost twice as strong as what models have simulated,” says Mark Flanner, assistant professor in the Department of Atmospheric, Oceanic and Space Sciences. “The implication is that Earth’s climate may be more sensitive to increases in atmospheric carbon dioxide and other perturbations than models predict.” [Read more...]

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