Thirty years of shrinking Arctic sea ice has boosted extreme summer weather, including heat waves and drought, in the United States and elsewhere, according to a study published Dec. 8 in the journal Nature Climate Change.
The new study — based on satellite tracking of sea ice, snow cover and weather trends since 1979 — links the Arctic’s warming climate to shifting weather patterns in the Northern Hemisphere’s midlatitudes.
“The results of our new study provide further support and evidence for rapid Arctic warming contributing to the observed increased frequency and intensity of heat waves,” said study co-author Jennifer Francis, an atmospheric scientist at Rutgers University in New Jersey.
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