Articles | Volume 20, issue 19
Atmos. Chem. Phys., 20, 11607–11624, 2020
https://doi.org/10.5194/acp-20-11607-2020
Atmos. Chem. Phys., 20, 11607–11624, 2020
https://doi.org/10.5194/acp-20-11607-2020

Research article 12 Oct 2020

Research article | 12 Oct 2020

Differences in fine particle chemical composition on clear and cloudy days

Amy E. Christiansen et al.

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Cited articles

Aswini, A. R., Hegde, P., Nair, P. R., and Aryasree, S.: Seasonal changes in carbonaceous aerosols over a tropical coastal location in response to meteorological processes, Sci. Total Environ., 656, 1261–1279, https://doi.org/10.1016/j.scitotenv.2018.11.366, 2019. 
Babila, J. E., Carlton, A. G., Hennigan, C. J., and Ghate, V. P.: On Aerosol Liquid Water and Sulfate Associations: The Potential for Fine Particulate Matter Biases, Atmosphere, 11, 1–11, https://doi.org/10.3390/atmos11020194, 2020. 
Bar-Or, R. Z., Koren, I., Altaratz, O., and Fredj, E.: Radiative properties of humidified aerosols in cloudy environment, Atmos. Res., 118, 280–294, https://doi.org/10.1016/j.atmosres.2012.07.014, 2012. 
Bray, C. D., Battye, W., Aneja, V. P., Tong, D., Lee, P., Tang, Y., and Nowak, J. B.: Evaluating ammonia (NH3) predictions in the NOAA National Air Quality Forecast Capability (NAQFC) using in-situ aircraft and satellite measurements from the CalNex2010 campaign, Atmos. Environ., 163, 65–76, https://doi.org/10.1016/j.atmosenv.2017.05.032, 2017. 
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We quantify differences in surface-level fine particle mass (PM2.5) chemical composition in relation to satellite-derived cloud flags and find significant differences between clear-sky and cloud days. The work suggests that future analysis in this area is warranted.
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