USAP-DC

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Mid-20th century (1941-1993 CE) record of d13C-CH4, CH4 from the Rendezvous ice core, West Antarctic Peninsula. Data DOI: https://doi.org/10.15784/602092 Cite as Brook, E. (2026) "Mid-20th century (1941-1993 CE) record of d13C-CH4, CH4 from the Rendezvous ice core, West Antarctic Peninsula. " U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/602092. Abstract Data set of methane mixing ratio (CH4), d15N-N2 and d13C-CH4 from the Rendezvous ice coe (2012) from between 1941 to 1993 CE. Mixing ratio and isotope date were measrued at Oregon State University (OSU). Nitrogen isotope data were measured at LSCE. Core was drilled in the summer season in the West Antarctic Peninusula by a team from the British Antarctic Survey, who also established the ice age of the core. Creator(s): Brook, Edward Date Created: 2026-09-10 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: -78.16, East: -78.16, South: -74.45, North: -74.45 Temporal Extent(s) Start: 1941-01-01 - End: 1994-01-01 Award(s) NSF 2324307 Version: 1 Related Project(s) Investigation of Past Atmospheric Methane Variability with Stable Isotopes in Antarctic Ice Cores References Strawson, I. (2025). Ice core methane and carbon monoxide as tracers of the terrestrial biosphere since the pre-industrial [Apollo - University of Cambridge Repository]. https://doi.org/10.17863/CAM.116028 (doi:10.17863/CAM.116028) Keywords Antarctic Peninsula Antarctica Atmosphere Cryosphere Ice Core Methane West Antarctica