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TC | Volume 12, issue 4
The Cryosphere, 12, 1177–1194, 2018
https://doi.org/10.5194/tc-12-1177-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
The Cryosphere, 12, 1177–1194, 2018
https://doi.org/10.5194/tc-12-1177-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 05 Apr 2018

Research article | 05 Apr 2018

Nitrate deposition and preservation in the snowpack along a traverse from coast to the ice sheet summit (Dome A) in East Antarctica

Guitao Shi et al.
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Cited articles  
Alexander, B., Savarino, J., Kreutz, K. J., and Thiemens, M.: Impact of preindustrial biomass-burning emissions on the oxidation pathways of tropospheric sulfur and nitrogen, J. Geophys. Res., 109, D08303, https://doi.org/10.1029/2003JD004218, 2004. 
Alley, R., Finkel, R., Nishizumi, K., Anandakrishnan, A., Shuman, C., Mershon, G., Zielinski, G., and Mayewski, P. A.: Changes in continental and sea-salt atmospheric loadings in central Greenland during the most recent deglaciation: Model-based estimates, J. Glaciol., 41, 503–514, 1995. 
Arthern, R. J., Winebrenner, D. P., and Vaughan, D. G.: Antarctic snow accumulation mapped using polarization of 4.3-cm wavelength microwave emission, J. Geophys. Res., 111, D06107, https://doi.org/10.1029/2004JD005667, 2006. 
Aw, J. and Kleeman, M. J.: Evaluating the first-order effect of intraannual temperature variability on urban air pollution, J. Geophys. Res., 108, 4365, https://doi.org/10.1029/2002JD002688, 2003. 
Barrie, L. A.: Scavenging ratios, wet deposition, and in-cloud oxidation: An application to the oxides of sulphur and nitrogen, J. Geophys. Res., 90, 5789–5799, 1985. 
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The deposition and preservation of NO3 across East Antarctica was investigated. On the coast, dry deposition contributes 27–44 % of the NO3 fluxes, and the linear relationship between NO3 and snow accumulation rate suggests a homogeneity of atmospheric NO3 levels. In inland snow, a relatively weak correlation between NO3 and snow accumulation was found, indicating that NO3 is mainly dominated by post-depositional processes. The coexisting ions are generally less influential on snow NO3.
The deposition and preservation of NO3 across East Antarctica was investigated. On the coast,...
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