Global warming can add one more notch to its gun belt. The rapid onset of global warming is turning Alaska’s wilderness rivers orange. Global warming impacts
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American Geophysical Union
Researcher Gabriel Lewis measures reflectivity on Greenland’s ice sheet during a 2016 research expedition. A reduction in fresh snowfall has caused parts of Greenland to become darker and may lead to additional surface melt, according to a new study.
Credit: Forrest McCarthy
A lack of fresh snow is darkening Greenland’s surface, likely contributing to faster melting. The snow shortfall is a consequence of a persistent weather system that blocks precipitation and warms temperatures over the ice sheet interior, a new study finds.
The Greenland Ice Sheet has warmed 2.7 degrees Celsius (4.85 degrees Fahrenheit) since 1982. It is experiencing the greatest melt and runoff rates in at least the last 450 years, and likely the greatest rates in the last 7,000 years, according to the authors of the new study, published today in Geophysical Research Letters, AGU’s journal for high-impact, short-format reports with immediate implications spanning all Earth an
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