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Abstract: Ice core δ<sup>13</sup>C-CH<sub>4</sub>: very young to very old (AGU25)

Ice core δ13C-CH4: very young to very old

Ivo Strawson1, Benjamin Riddell-Young2, Rachael Rhodes3, Thomas Bauska4, Julia Marks Peterson5, Sarah Shackleton6, Valens Hishamunda7, John A Higgins8, Frederic Prie9, Amaelle Landais10, Elizabeth Ruth Thomas11 and Edward J Brook5, (1)Oregon State University, College of Earth, Ocean and Atmospheric Sciences, Corvallis, United States, (2)NOAA Global Monitoring Laboratory, Boulder, United States, (3)University of Cambridge, Department of Earth Science, Cambridge, United Kingdom, (4)British Antarctic Survey, Cambridge, United Kingdom, (5)Oregon State University, Corvallis, United States, (6)Woods Hole Oceanographic Institution, Woods Hole, United States, (7)Princeton University, Princeton, NJ, United States, (8)Princeton University, Princeton, United States, (9)LSCE Laboratoire des Sciences du Climat et de l'Environnement, IPSL - CEA - CNRS - UVSQ - University Paris-Saclay, Gif-Sur-Yvette Cedex, France, (10)LSCE Laboratoire des Sciences du Climat et de l'Environnement, IPSL - CEA - CNRS - UVSQ - Universite Paris-Saclay, Gif-Sur-Yvette Cedex, France, (11)NERC British Antarctic Survey, Cambridge, United Kingdom
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