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New Study Reveals Little Ice Age Triggered By Volcanism
Gifford Miller collects vegetation samples on Baffin Island. (Photo courtesy University of Colorado Boulder.)
In a study led by the University of Colorado Boulder with co-authors at the National Center for Atmospheric Research (NCAR) and other organizations, researchers may have possibly found evidence the “Little Ice Age” may have had ties to an unusual era of volcanic activity… one that lasted for about 50 years. In just five decades, four massive tropical volcanic eruptions managed to take Earth’s entire environment and put it on ice. Somewhere near the years between 1275 and 1300 A.D., these eruptions caused some very cool summer weather in the northern hemisphere which triggered an expansion of sea ice that – in turn – weakened Atlantic currents. However, it didn’t weaken the already cool climate. It strengthened it. (…)
Read the rest of New Study Reveals Little Ice Age Triggered By Volcanism (813 words)
© tammy for Universe Today, 2012. | Permalink | No comment | Add to del.icio.us
Post tags: Climate Feedback Systems, Climate Research, glaciers, Global Cooling, Little Ice Age, NCAR, radiocarbon dating, volcanic eruptions
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