Articles | Volume 11, issue 3
The Cryosphere, 11, 1297–1309, 2017
https://doi.org/10.5194/tc-11-1297-2017
The Cryosphere, 11, 1297–1309, 2017
https://doi.org/10.5194/tc-11-1297-2017

Research article 31 May 2017

Research article | 31 May 2017

Calibrated cryo-cell UV-LA-ICPMS elemental concentrations from the NGRIP ice core reveal abrupt, sub-annual variability in dust across the GI-21.2 interstadial period

Damiano Della Lunga et al.

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Cited articles

Berglund, M. and Wieser, M. E.: Isotopic compositions of the elements 2009 (IUPAC Technical Report), Pure Appl. Chem., 83, 397–410, 2011.
Bigler, M., Svensson, A., Kettner, E., Vallelonga, P., Nielsen, M. E., and Steffensen, J. P.: Optimization of high-resolution continuous flow analysis for transient climate signals in ice cores, Environ. Sci. Technol., 45, 4483–4489, 2011.
Capron, E., Landais, A., Chappellaz, J., Schilt, A., Buiron, D., Dahl-Jensen, D., Johnsen, S. J., Jouzel, J., Lemieux-Dudon, B., Loulergue, L., Leuenberger, M., Masson-Delmotte, V., Meyer, H., Oerter, H., and Stenni, B.: Millennial and sub-millennial scale climatic variations recorded in polar ice cores over the last glacial period, Clim. Past, 6, 345–365, https://doi.org/10.5194/cp-6-345-2010, 2010.
Della Lunga, D., Muller, W., Rasmussen, S. O., and Svensson, A.: Location of cation impurities in NGRIP deep ice revealed by cryo-cell UV-laser-ablation ICPMS, J. Glaciol., 60, 970–988, 2014.
Della Lunga, D., Müller, W., Rasmussen, S. O., Svensson, A. M., and Vallelonga, P.: Major elemental concentrations from NGRIP ice core across the interstadial period GI-21.2. https://doi.org/10.1594/PANGAEA.875711, Supplement to: Della Lunga, D., et al.: Calibrated cryo-cell UV-LA-ICPMS elemental concentrations from NGRIP ice core reveal abrupt, sub-annual variability in dust across the interstadial period GI-21.2, The Cryosphere, 2017.
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Short summary
In our study we combined the wealth of information provided by Greenland ice cores with an ultra-high-resolution technique well known in geoscience (laser ablation). Our set-up was developed and applied to investigate the variability in concentration of ions across a rapid climatic change from the oldest part of the last glaciation, showing that concentrations drop abruptly from cold to warm periods, representing a shift in atmospheric transport that happens even faster than previously thought.