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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Volume 16, issue 19
Atmos. Chem. Phys., 16, 12531–12550, 2016
https://doi.org/10.5194/acp-16-12531-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 16, 12531–12550, 2016
https://doi.org/10.5194/acp-16-12531-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 07 Oct 2016

Research article | 07 Oct 2016

Air–snow exchange of nitrate: a modelling approach to investigate physicochemical processes in surface snow at Dome C, Antarctica

Josué Bock et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Josué Bock on behalf of the Authors (13 Aug 2016)  Author's response    Manuscript
ED: Reconsider after major revisions (15 Aug 2016) by V. Faye McNeill
AR by Josué Bock on behalf of the Authors (21 Sep 2016)  Author's response    Manuscript
ED: Publish as is (22 Sep 2016) by V. Faye McNeill
Publications Copernicus
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Short summary
We develop a physically based parameterisation of the co-condensation process. Our model includes solid-state diffusion within a snow grain. It reproduces with good agreement the nitrate measurement in surface snow. Winter and summer concentrations are driven respectively by thermodynamic equilibrium and co-condensation. Adsorbed nitrate likely accounts for a minor part. This work shows that co-condensation is required to explain the chemical composition of snow undergoing temperature gradient.
We develop a physically based parameterisation of the co-condensation process. Our model...
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