Articles | Volume 16, issue 4
https://doi.org/10.5194/acp-16-1971-2016
https://doi.org/10.5194/acp-16-1971-2016
Research article
 | 
23 Feb 2016
Research article |  | 23 Feb 2016

Speciation of 127I and 129I in atmospheric aerosols at Risø, Denmark: insight into sources of iodine isotopes and their species transformations

Luyuan Zhang, Xiaolin Hou, and Sheng Xu

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Cited articles

Aldahan, A., Possnert, G., Alfimov, V., and Cato, K.: Anthropogenic 129I in the Baltic Sea, Nucl. Instrum. Meth. B, 259, 491–495, 2007.
Alfimov, V., Aldahan, A., Possnert, G., Kekli, A., and Meili, M.: Concentrations of 129I along a transect from the North Atlantic to the Baltic Sea, Nucl. Instrum. Meth. B, 223–224, 446–450, 2004a.
Alfimov, V., Aldahan, A., Possnert, G., and Winsor, P.: Anthropogenic iodine-129 in seawater along a transect from the Norwegian coastal current to the North Pole, Mar. Pollut. Bull., 49, 1097–1104, 2004b.
Bachhuber, H. and Bunzl, K.: Background levels of atmospheric deposition to ground and temporal variations of 129I, 127I, 137Cs and 7Be in a rural area of Germany, J. Environ. Radioact., 16, 77–89, 1992.
Baker, A. R.: Inorganic iodine speciation in tropical Atlantic aerosol, Geophys. Res. Lett., 31, L23S02, https://doi.org/10.1029/2004GL020144, 2004.
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Short summary
Speciation analysis of long-lived anthropogenic iodine isotopes (129I) in time series Danish aerosols shows that secondary emission from heavily 129I-contaminated seawater is a major source of 129I in the Atmosphere, at least in North Europe. Iodide is the major form of water-soluble iodine, while NaOH-soluble iodine is the dominant species of iodine in aerosol, which is likely bound with organic substances. The contribution of Fukushima-derived 129I is estimated to be negligible in Europe.
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