Publications
High-precision 14C measurements demonstrate production of in situ cosmogenic 14CH4 and rapid loss of in situ cosmogenic 14CO in shallow Greenland firn." Earth and Planetary Science Letters 365 (2013): 190-197.
"Gas transport in firn: multiple-tracer characterisation and model intercomparison for NEEM, Northern Greenland." Atmospheric Chemistry and Physics 12, no. 9 (2012): 4259-4277.
"Methane from the East Siberian Arctic Shelf." Science 329, no. 5996 (2010): 1146-1147.
"14CH4 Measurements in Greenland Ice: Investigating Last Glacial Termination CH4 Sources." Science 324, no. 5926 (2009): 506-508.
"A New Method for Analyzing 14C of Methane in Ancient Air Extracted from Glacial Ice." Radiocarbon 50, no. 1 (2008): 53-73.
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