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

Zatko, Maria; Geng, Lei; Alexander, Becky; Sofen, Eric; Klein, Katarina

doi:10.5194/acp-16-2819-2016

Articles | Volume 16, issue 5

https://doi.org/10.5194/acp-16-2819-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-16-2819-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 5

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, Lei Geng, Becky Alexander, Eric Sofen, and Katarina Klein

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Short summary

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.