Articles | Volume 15, issue 6
https://doi.org/10.5194/cp-15-2019-2019
https://doi.org/10.5194/cp-15-2019-2019
Research article
 | 
18 Dec 2019
Research article |  | 18 Dec 2019

Holocene atmospheric iodine evolution over the North Atlantic

Juan Pablo Corella, Niccolo Maffezzoli, Carlos Alberto Cuevas, Paul Vallelonga, Andrea Spolaor, Giulio Cozzi, Juliane Müller, Bo Vinther, Carlo Barbante, Helle Astrid Kjær, Ross Edwards, and Alfonso Saiz-Lopez

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Cited articles

Allan, J. D., Williams, P. I., Najera, J., Whitehead, J. D., Flynn, M. J., Taylor, J. W., Liu, D., Darbyshire, E., Carpenter, L. J., Chance, R., Andrews, S. J., Hackenberg, S. C., and McFiggans, G.: Iodine observed in new particle formation events in the Arctic atmosphere during ACCACIA, Atmos. Chem. Phys., 15, 5599–5609, https://doi.org/10.5194/acp-15-5599-2015, 2015. 
Bauch, H. A., Erlenkeuser, H., Spielhagen, R. F., Struck, U. J., Matthiessen, J., Thiede, J., and Heinemeier, J.: A multiproxy reconstruction of the evolution of deep and surface waters in the subarctic Nordic seas over the last 30,000 yr, Quaternary Sci. Rev., 20, 659–678, 2001. 
Briner, J. P., McKay, N. P., Axford, Y., Bennike, O., Bradley, R. S., de Vernal, A., Fisher, D., Francus, P., Fréchette, B., and Gajewski K.: Holocene climate change in Arctic Canada and Greenland, Quaternary Sci. Rev., 147, 340–364, 2016. 
Cabedo-Sanz, P. and Belt, S. T.: Seasonal sea ice variability in eastern Fram Strait over the last 2000 years, Arktos, 2, 22, https://doi.org/10.1007/s41063-016-0023-2, 2016. 
Cabedo-Sanz, P., Belt, S. T., Jennings, A. E., Andrews, J. T., and Geirsdóttir, Á.: Variability in drift ice export from the Arctic Ocean to the North Icelandic Shelf over the last 8000 years: a multi-proxy evaluation, Quaternary Sci. Rev., 146, 99–115, 2016. 
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Short summary
This study provides the first reconstruction of atmospheric iodine levels in the Arctic during the last 11 700 years from an ice core record in coastal Greenland. Dramatic shifts in iodine level variability coincide with abrupt climatic transitions in the North Atlantic. Since atmospheric iodine levels have significant environmental and climatic implications, this study may serve as a past analog to predict future changes in Arctic climate in response to global warming.