Records of the δ13C of atmospheric CH4 over the last 2 centuries as recorded in Antarctic snow and ice

• Published in: Global Biogeochemical Cycles
• Main Authors: Sowers, T., Bernard, S., Aballain, O., Chappellaz, J., Barnola, J. M., Marik, T.
• Format: Text
• Language: unknown
• Published: Washington, American Geophysical Union (AGU) 2022
• Subjects: Antarctic; Siple; Siple Dome; South Pole; Antarc*; Antarctica; ice core; South pole
• Online Access: https://doi.org/10.1029/2004GB002408; http://infoscience.epfl.ch/record/298371

Methane is one of the important greenhouse gases accumulating in the atmosphere today. The increased loading over the past 2 centuries is thought to be the result of increased anthropogenic emissions. Here we present records of the δ13C of CH4 in firn air from the South Pole and in trapped bubbles i...