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  Estimating N2O5 uptake coefficients using ambient measurements of NO3, N2O5, ClNO2 and particle-phase nitrate

Phillips, G. J., Thieser, J., Tang, M. J., Sobanski, N., Schuster, G., Fachinger, J., et al. (2016). Estimating N2O5 uptake coefficients using ambient measurements of NO3, N2O5, ClNO2 and particle-phase nitrate. Atmospheric Chemistry and Physics, 16(20), 13231-13249. doi:10.5194/acp-16-13231-2016.

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Phillips, G. J.1, Author              
Thieser, J.1, Author              
Tang, M. J.1, Author              
Sobanski, N.1, Author              
Schuster, G.1, Author              
Fachinger, Johannes2, Author              
Drewnick, F.2, Author              
Borrmann, S.2, Author              
Bingemer, Heinz3, Author
Lelieveld, J.1, Author              
Crowley, J. N.1, Author              
Affiliations:
1Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society, ou_1826285              
2Particle Chemistry, Max Planck Institute for Chemistry, Max Planck Society, ou_1826291              
3external, ou_persistent22              

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 Abstract: We present an estimation of the uptake coefficient (gamma) and yield of nitryl chloride (ClNO2) (f) for the heterogeneous processing of dinitrogen pentoxide (N2O5) using simultaneous measurements of particle and trace gas composition at a semi-rural, non-coastal, mountain site in the summer of 2011. The yield of ClNO2 varied between (0.035 +/- 0.027) and (1.38 +/- 0.60) with a campaign average of (0.49 +/- 0.35). The large variability in f reflects the highly variable chloride content of particles at the site. Uptake coefficients were also highly variable with minimum, maximum and average values of 0.004, 0.11 and 0.028 +/- 0.029, respectively, with no significant correlation with particle composition, but a weak dependence on relative humidity. The uptake coefficients obtained are compared to existing parameterizations based on laboratory datasets and with other values obtained by analysis of field data.

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 Dates: 2016
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: ISI: 000387112800005
DOI: 10.5194/acp-16-13231-2016
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Title: Atmospheric Chemistry and Physics
Source Genre: Journal
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Publ. Info: Katlenburg-Lindau, Germany : European Geosciences Union
Pages: - Volume / Issue: 16 (20) Sequence Number: - Start / End Page: 13231 - 13249 Identifier: ISSN: 1680-7316
CoNE: https://pure.mpg.de/cone/journals/resource/111030403014016