Posts

February 19, 2015

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3:29 PM | The mystery of the offset chronologies: Tree rings and the volcanic record of the 1st millennium
Guest commentary by Jonny McAneney Volcanism can have an important impact on climate. When a large volcano erupts it can inject vast amounts of dust and sulphur compounds into the stratosphere, where they alter the radiation balance. While the suspended dust can temporarily block sunlight, the dominant effect in volcanic forcing is the sulphur, which […]

February 13, 2015

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8:05 PM | Global Warming Could Increase Risk of U.S. Megadroughts
Droughts in the U.S. Southwest and Central Plains during the second half of the XXI century, could be drier and longer than drought conditions seen in those regions in the last millennium, says a team of scientists writing in the journal Science Advances. The team says the drying would surpass in severity any of the [...]
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