Remote Siberian lake holds clues to Arctic — and Antarctic — climate change
Posted: 21 Jun 2012 04:59 PM PDT
Intense warm climate intervals — warmer than scientists thought possible — have occurred in the Arctic over the past 2.8 million years. That result comes from the first analyses of the longest sediment cores ever retrieved on land. They were obtained from beneath remote, ice-covered Lake El’gygytgyn in the northeastern Russian Arctic.