New early Pleistocene atmospheric carbon dioxide and methane data from the Allan Hills Blue Ice Area, Antarctica
Julia Marks Peterson1, Sarah Shackleton2, Jenna Epifanio3, John A Higgins4, Edward J Brook3, Jeffrey P Severinghaus5 and Andrei Kurbatov6, (1)Oregon State University, College of Earth, Ocean and Atmospheric Sciences, Corvallis, United States, (2)Princeton University, Princeton, NJ, United States, (3)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (4)Princeton University, Department of Geosciences, Princeton, NJ, United States, (5)Scripps Institution of Oceanography, La Jolla, CA, United States, (6)University of Maine, Climate Change Institute, Orono, ME, United States
