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Ice Cores Show Volcanoes Cooled Earth Less Than Estimated

2014-07-10 11:01:00| Climate Ark Climate Change & Global Warming Newsfeed

LiveScience: Global cooling caused by some historic volcanic eruptions wasn't as extreme as climate scientists recently thought, according to newly revised ice core records from Antarctica. Volcanic eruptions blast sulfur-dioxide gas into the stratosphere, where it turns into tiny particles called sulfate aerosols that reflect the sun's energy and cool the Earth. Snow falling in Antarctica records the levels of sulfate in the air at the time, and it eventually becomes ice drilled by researchers in long, tubular...

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