Articles | Volume 14, issue 22
Atmos. Chem. Phys., 14, 12553–12571, 2014
https://doi.org/10.5194/acp-14-12553-2014
Atmos. Chem. Phys., 14, 12553–12571, 2014
https://doi.org/10.5194/acp-14-12553-2014

Research article 28 Nov 2014

Research article | 28 Nov 2014

Analysis of elevated springtime levels of Peroxyacetyl nitrate (PAN) at the high Alpine research sites Jungfraujoch and Zugspitze

S. Pandey Deolal et al.

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AR by Johannes Staehelin on behalf of the Authors (08 Oct 2014)  Author's response    Manuscript
ED: Publish subject to technical corrections (16 Oct 2014) by Andrea Pozzer
AR by Johannes Staehelin on behalf of the Authors (21 Oct 2014)  Author's response    Manuscript
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Short summary
Mixing ratios of Peroxyacetyl nitrate (PAN) at Jungfraujoch (Switzerland) and Zugspitze (Germany) show a seasonal variation with maxima in spring, typical for remote sites in the lower atmosphere in northern mid-latitudes. The detailed analysis of PAN measurements of May 2008 indicates that PAN at these high mountain sites is dominated by photochemical formation in the relatively cold polluted European planetary boundary layer rather than formation in the free troposphere.
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