Health knowledge made personal
Join this community!
› Share page:
Go
Search posts:

Climate Record From Bottom of Russian Lake Shows Arctic Was Warmer Millions of Years Ago

Posted May 09 2013 2:53pm

drilling rig at night The Arctic was very warm during a period roughly 3.5 to 2 million years ago--a time when research suggests that the level of carbon dioxide in the atmosphere was roughly comparable to today's--leading to the conclusion that relatively small fluctuations in carbon dioxide levels can have a major influence on Arctic climate, according to a new analysis of the longest terrestrial sediment core ever collected in the Arctic.

"One of our major findings is that the Arctic was very warm in the ...

More at http://www.nsf.gov/news/news_summ.jsp?cntn_id=127897&WT.mc_id=USNSF_51&WT.mc_ev=click


This is an NSF News item.

Post a comment
Write a comment:

Related Searches