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In situ 14C data from a subglacial bedrock core near Pope and Thwaites glaciers Data DOI: https://doi.org/10.15784/601705 Cite as Venturelli, R., Balco, G., & Goehring, B. (2023) "In situ 14C data from a subglacial bedrock core near Pope and Thwaites glaciers" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601705. Abstract Included in this dataset are in situ carbon-14 concentrations for a series of bedrock cores recovered from the subglacial extension of Kay Peak, a grounding-line-proximal ridge of the volcanic edifice Mount Murphy (near Thwaites and Pope glaciers). Concentrations measured in these bedrock samples have been used in the associated publication to demonstrate that the Thwaites-Pope glacier system was thinner in the Holocene than it is today. Creator(s): Venturelli, Ryan; Goehring, Brent; Balco, Gregory Date Created: 2023-07-10 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: -110.96038, East: -110.96038, South: -75.21526, North: -75.21526 Award(s) NSF 1738989 Version: 1 Related Project(s) NSF-NERC: Geological History Constraints on the Magnitude of Grounding Line Retreat in the Thwaites Glacier System References Balco, G., Brown, N., Nichols, K., Venturelli, R. A., Adams, J., Braddock, S., Campbell, S., Goehring, B., Johnson, J. S., Rood, D. H., Wilcken, K., Hall, B., & Woodward, J. (2022). Reversible ice sheet thinning in the Amundsen Sea Embayment during the Late Holocene. (doi:10.5194/tc-2022-172) Keywords Antarctica cosmogenic nuclides Cryosphere Mount Murphy Subglacial Bedrock