Dust May Settle Unanswered Questions On Antarctica
Sunday, March 29, 2009 - 14:21
in Earth & Climate
Dust trapped deep in Antarctic ice sheets is helping scientists unravel details of past climate change. Researchers have found that dust blown south to Antarctica from the windy plains of Patagonia -- and deposited in the ice periodically over 80,000 years -- provides vital information about glacier activity.