Articles | Volume 18, issue 9
https://doi.org/10.5194/tc-18-4029-2024
https://doi.org/10.5194/tc-18-4029-2024
Research article
 | 
05 Sep 2024
Research article |  | 05 Sep 2024

Scientific history, sampling approach, and physical characterization of the Camp Century subglacial material, a rare archive from beneath the Greenland Ice Sheet

Paul R. Bierman, Andrew J. Christ, Catherine M. Collins, Halley M. Mastro, Juliana Souza, Pierre-Henri Blard, Stefanie Brachfeld, Zoe R. Courville, Tammy M. Rittenour, Elizabeth K. Thomas, Jean-Louis Tison, and François Fripiat

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Cited articles

Abele, G.: SR-62 Construction of a Snow Runway at Camp Century for Wheel Landings with Lightweight Aircraft, https://erdc-library.erdc.dren.mil/jspui/bitstream/11681/11581/1/SR-62.pdf (last access: 17 August 2024), 1964. 
Anonymous: “Ancient Air' held in polar ice cores, Tallahassee Democr., 1959. 
Bader, H.: Special Report 58: Scope, Problems, and Potential Value of deep ice Core Drilling in Ice Sheets, Hanover, 1962. 
Berner, W., Stauffer, B., and Oeschger, H: Past Atmospheric Composition and Climate, Gas Parameters Measured on Ice Cores, Nature, 276, 53–55, https://doi.org/10.1038/276053a0, 1978. 
Blard, P.-H., Protin, M., Tison, J.-L., Fripiat, F., Dahl-Jensen, D., Steffensen, J. P., Mahaney, W. C., Bierman, P. R., Christ, A. J., Corbett, L. B., Debaille, V., Rigaudier, T., Claeys, P., and Team, A.: Basal debris of the NEEM ice core, Greenland: a window into sub-ice sheet geology, basal ice processes and ice sheet oscillations, J. Glaciol., 69, 1011–1029, https://doi.org/10.1017/jog.2022.122, 2023. 
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Short summary
In 1966, the U.S. Army drilled through the Greenland Ice Sheet at Camp Century, Greenland; they recovered 3.44 m of frozen material. Here, we decipher the material’s history. Water, flowing during a warm interglacial when the ice sheet melted from northwest Greenland, deposited the upper material which contains fossil plant and insect parts. The lower material, separated by more than a meter of ice with some sediment, is till, deposited by the ice sheet during a prior cold period. 
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