Petrenko, Vasilii V.; Severinghaus, Jeffrey P.; Brook, Edward J.; Muhle, Jens; Headly, Melissa; Harth, Christina M.; Schaefer, Hinrich; Reeh, Niels; Weiss, Ray F.; Lowe, Dave; Smith, Andrew M. (International Glaciological Society, 2008-03)
We present techniques for obtaining large (∼100 L STP) samples of ancient air for analysis of ¹⁴C of methane (¹⁴CH₄) and other trace constituents. Paleoatmospheric ¹⁴CH₄ measurements should constrain the fossil fraction ...
