Journal cover Journal topic
Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
Atmos. Chem. Phys., 15, 13339-13364, 2015
https://doi.org/10.5194/acp-15-13339-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
02 Dec 2015
Boundary layer new particle formation over East Antarctic sea ice – possible Hg-driven nucleation?
R. S. Humphries et al.

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Short summary
An atmospheric new particle formation event that was observed in the pristine East Antarctic pack ice during a springtime voyage in 2012 is characterised in terms of formation and growth rates. Known nucleation mechanisms (e.g. those involving sulfate, iodine and organics) were unable to explain observations; however, correlations with total gaseous mercury were found, leading to the suggestion of a possible mercury-driven nucleation mechanism not previously described.
An atmospheric new particle formation event that was observed in the pristine East Antarctic...
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