Articles | Volume 13, issue 2
Clim. Past, 13, 171–184, 2017
https://doi.org/10.5194/cp-13-171-2017

Special issue: International Partnerships in Ice Core Sciences (IPICS) Second...

Clim. Past, 13, 171–184, 2017
https://doi.org/10.5194/cp-13-171-2017
Research article
27 Feb 2017
Research article | 27 Feb 2017

Sea-ice-related halogen enrichment at Law Dome, coastal East Antarctica

Paul Vallelonga et al.

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Cited articles

Abram, N. J., Mulvaney, R., Wolff, E. W., and Mudelsee, M.: Ice core records as sea ice proxies: An evaluation from the Weddell Sea region of Antarctica, J. Geophys. Res., 112, D15101, https://doi.org/10.1029/2006JD008139, 2007.
Abram, N. J., Wolff, E. W., and Curran, M. A. J.: A review of sea ice proxy information from polar ice cores, Quaternary Sci. Rev., 79, 168–183, https://doi.org/10.1016/j.quascirev.2013.01.011, 2013.
Atkinson, H. M., Huang, R. J., Chance, R., Roscoe, H. K., Hughes, C., Davison, B., Schönhardt, A., Mahajan, A. S., Saiz-Lopez, A., Hoffmann, T., and Liss, P. S.: Iodine emissions from the sea ice of the Weddell Sea, Atmos. Chem. Phys., 12, 11229–11244, https://doi.org/10.5194/acp-12-11229-2012, 2012.
Brooks, S. B., Saiz-Lopez, A., Skov, H., Lindberg, S. E., Plane, J. M. C., and Goodsite, M. E.: The mass balance of mercury in the springtime arctic environment, Geophys. Res. Lett., 33, https://doi.org/10.1029/2005GL025525, 2006.
Burn-Nunes, L. J., Vallelonga, P., Loss, R. D., Burton, G., Moy, A., Curran, M., Hong, S., Smith, A. M., Edwards, R., Morgan, V., and Rosman, K. J. R.: Seasonal variability in the input of lead, barium and indium to Law Dome, Antarctica, Geochim. Cosmochim. Ac., 75, 1–20, https://doi.org/10.1016/j.gca.2010.09.037, 2011.
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Short summary
We present a study of bromine, iodine and sodium in an ice core from Law Dome, in coastal East Antarctica. We find that bromine and iodine variability at Law Dome is correlated to changes in the area of sea ice along the Law Dome coast as observed by satellite since the early 1970s. These findings are in agreement with a previous study based on MSA and confirm a long-term trend of sea ice decrease for this sector of Antarctica over the 20th century.