Articles | Volume 19, issue 6
Atmos. Chem. Phys., 19, 4025–4039, 2019
https://doi.org/10.5194/acp-19-4025-2019
Atmos. Chem. Phys., 19, 4025–4039, 2019
https://doi.org/10.5194/acp-19-4025-2019
Research article
29 Mar 2019
Research article | 29 Mar 2019

Iodine speciation and size distribution in ambient aerosols at a coastal new particle formation hotspot in China

Huan Yu et al.

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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. 
Baker, A. R.: Inorganic iodine speciation in tropical Atlantic aerosol, Geophys. Res. Lett., 31, 187–206, https://doi.org/10.1029/2004GL020144, 2004. 
Baker, A. R.: Marine aerosol iodine chemistry: The importance of soluble organic iodine, Environ. Chem., 2, 295–298, https://doi.org/10.1071/EN05070, 2005. 
Baker, A. R., Sj, C. M. P., Jickells, T. D., and Thompson, D.: Iodine concentration and availability in atmospheric aerosol, Atmos. Environ., 34, 4331–4336, https://doi.org/10.1016/s1352-2310(00)00208-9, 2000. 
Baker, A. R., Tunnicliffe, C., and Jickells, T. D.: Iodine speciation and deposition fluxes from the marine atmosphere, J. Geophys. Res.-Atmos., 106, 28743–28749, https://doi.org/10.1029/2000JD000004, 2001. 
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Short summary
Iodine is an essential trace element for mammals and aquatic plants. Increasing alga populations due to serious eutrophication in the coastal waters of China promote iodine emission. China contributes about 60 % of the global cultivated seaweed production. Iodine is likely emitted to the atmosphere and transformed into nanoparticles during the farming, harvesting, and processing of seaweed. Wild and farmed algae make the coastal area of China a potential hotspot of new particle formation.
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