Estimates of Arctic land surface temperatures during the early Pliocene from two novel proxies

• Published in: Earth and Planetary Science Letters
• Main Authors: Csank, Adam Z., Tripati, Aradhna K., Patterson, William P., Eagle, Robert A., Rybczynski, Natalia, Ballantyne, Ashley P., Eiler, John M.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Elsevier 2011
• Subjects: Arctic; Beaver Pond; Ellesmere Island
• Online Access: https://authors.library.caltech.edu/23917/; https://resolver.caltech.edu/CaltechAUTHORS:20110606-141813381

During the Pliocene (2.6 to 5 Ma ago) atmospheric CO_2 levels have been estimated as similar to or slightly above present levels (Tripati et al., 2009; Pagani et al., 2010), and yet Earth's climate was considerably different. Recent evidence suggests that although global temperatures were 2–3 °...