Articles | Volume 20, issue 4
https://doi.org/10.5194/cp-20-969-2024
https://doi.org/10.5194/cp-20-969-2024
Research article
 | 
24 Apr 2024
Research article |  | 24 Apr 2024

An annually resolved chronology for the Mount Brown South ice cores, East Antarctica

Tessa R. Vance, Nerilie J. Abram, Alison S. Criscitiello, Camilla K. Crockart, Aylin DeCampo, Vincent Favier, Vasileios Gkinis, Margaret Harlan, Sarah L. Jackson, Helle A. Kjær, Chelsea A. Long, Meredith K. Nation, Christopher T. Plummer, Delia Segato, Andrea Spolaor, and Paul T. Vallelonga

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Cited articles

Abram, N. J., Curran, M. A. J., Mulvaney, R., and Vance, T.: The preservation of methanesulphonic acid in frozen ice-core samples, J. Glaciol., 54, 680–684, https://doi.org/10.3189/002214308786570890, 2008. a
Agosta, C., Amory, C., Kittel, C., Orsi, A., Favier, V., Gallée, H., van den Broeke, M. R., Lenaerts, J. T. M., van Wessem, J. M., van de Berg, W. J., and Fettweis, X.: Estimation of the Antarctic surface mass balance using the regional climate model MAR (1979–2015) and identification of dominant processes, The Cryosphere, 13, 281–296, https://doi.org/10.5194/tc-13-281-2019, 2019. a
Armbruster, D. A. and Pry, T.: Limit of Blank, Limit of Detection and Limit of Quantitation, Clinic. Biochem. Rev., 29, S49–S52, 2008. a
Armstrong, M. S., Kiem, A. S., and Vance, T. R.: Comparing instrumental, palaeoclimate, and projected rainfall data: Implications for water resources management and hydrological modelling, J. Hydrol.: Reg. Stud., 31, 100728, https://doi.org/10.1016/j.ejrh.2020.100728, 2020. a
Bertler, N., Mayewski, P. A., Aristarain, A., et al.: Snow chemistry across Antarctica, Ann. Glaciol., 41, 167–179, https://doi.org/10.3189/172756405781813320, 2005. a
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Short summary
This study presents the chronologies from the new Mount Brown South ice cores from East Antarctica, which were developed by counting annual layers in the ice core data and aligning these to volcanic sulfate signatures. The uncertainty in the dating is quantified, and we discuss initial results from seasonal cycle analysis and mean annual concentrations. The chronologies will underpin the development of new proxy records for East Antarctica spanning the past millennium.
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