Articles | Volume 16, issue 5
Atmos. Chem. Phys., 16, 2819–2842, 2016
https://doi.org/10.5194/acp-16-2819-2016
Atmos. Chem. Phys., 16, 2819–2842, 2016
https://doi.org/10.5194/acp-16-2819-2016
Research article
04 Mar 2016
Research article | 04 Mar 2016

The impact of snow nitrate photolysis on boundary layer chemistry and the recycling and redistribution of reactive nitrogen across Antarctica and Greenland in a global chemical transport model

Maria Zatko et al.

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Cited articles

Allen, D., Pickering, K., Duncan, B., and Damon, M.: Impact of lightning NO emissions on North American photochemistry as determined using the Global Modeling Initiative (GMI) model, J. Geophys. Res., 115, D22301, https://doi.org/10.1029/2010JD014062, 2010.
Alexander, B., Savarino, J., Kreutz, K. J., and Thiemens, M. H.: Impact of preindustrial biomass burning emissions on the oxidation pathways of tropospheric sulphur and nitrogen, J. Geophys. Res., 109, D08303, https://doi.org/10.1029/2003JD004218, 2004.
Anastasio, C. and Chu, L.: Photochemistry of nitrous acid (HONO) and nitrous acidium ion (H2ONO+) in aqueous solution and ice, Environ. Sci. Technol., 43, 1108–1114, 2009.
Beine, H., Anastastio, C., Esposito, G., Patten, K., Wilkening, E., Domine, F., Voisin, D., Barret, M., Houdier, S., and Hall, S.: Soluble, light-absorbing species in snow at Barrow, Alaska, J. Geophys. Res., 116, D00R05, https://doi.org/10.1029/2011JD016181, 2011.
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We have incorporated an idealized snowpack with a nitrate photolysis parameterization into a global chemical transport model (GEOS-Chem) to examine the implications of snow nitrate photolysis for boundary layer chemistry, the recycling and redistribution of reactive nitrogen, and the preservation of ice-core nitrate in ice cores across Antarctica and Greenland. We also examine the sensitivity of these processes to meteorological parameters and chemical, optical, and physical snow properties.
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