Articles | Volume 9, issue 8
https://doi.org/10.5194/amt-9-3687-2016
https://doi.org/10.5194/amt-9-3687-2016
Research article
 | 
10 Aug 2016
Research article |  | 10 Aug 2016

A new set-up for simultaneous high-precision measurements of CO2, δ13C-CO2 and δ18O-CO2 on small ice core samples

Theo Manuel Jenk, Mauro Rubino, David Etheridge, Viorela Gabriela Ciobanu, and Thomas Blunier

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Cited articles

Ahn, J. H., Brook, E. J., and Howell, K.: A high-precision method for measurement of paleoatmospheric CO2 in small polar ice samples, J. Glaciol., 55, 499–506, 2009.
Anklin, M., Barnola, J.-M., Schwander, J., Stauffer, B., and Raynaud, B.: Processes affecting the CO2 concentrations measured in Greenland ice, Tellus, 47 B, 461–470, 1995.
Assonov, S. S., Brenninkmeijer, C. A. M., and Jöckel, P.: The 18O isotope exchange rate between firn air CO2 and the firn matrix at three Antarctic sites, J. Geophys. Res.-Atmos., 110, D18310, https://doi.org/10.1029/2005JD005769, 2005.
Barnola, J.-M., Anklin, M., Porcheron, J., Raynaud, D., Schwander, J., and Stauffer, B.: CO2 evolution during the last millenium as recorded by Antarctic and Greenland ice, Tellus, 47B, 264–272, 1995.
Bauska, T. K., Brook, E. J., Mix, A. C., and Ross, A.: High-precision dual-inlet IRMS measurements of the stable isotopes of CO2 and the N2O/CO2 ratio from polar ice core samples, Atmos. Meas. Tech., 7, 3825–3837, https://doi.org/10.5194/amt-7-3825-2014, 2014.
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Short summary
Atmospheric CO2 and δ13C-CO2 records from polar ice cores provide important constraints on the natural carbon cycle variability. Still, data exist only from a limited number of sampling sites and time periods due to demanding analytical challenges. Additional analytical state-of-the-art resources are desirable. This study describes such a new facility. Its analytical performance and new approaches for dealing with procedural blank contribution and analytical outliers are discussed in detail.