Articles | Volume 16, issue 2
https://doi.org/10.5194/acp-16-1003-2016
https://doi.org/10.5194/acp-16-1003-2016
Research article
 | 
28 Jan 2016
Research article |  | 28 Jan 2016

The impacts of aerosol loading, composition, and water uptake on aerosol extinction variability in the Baltimore–Washington, D.C. region

A. J. Beyersdorf, L. D. Ziemba, G. Chen, C. A. Corr, J. H. Crawford, G. S. Diskin, R. H. Moore, K. L. Thornhill, E. L. Winstead, and B. E. Anderson

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Cited articles

Al-Saadi, J., Szykman, J., Pierce, R. B., Kittaka, C., Neil, D., Chu, D. A., Remer, L., Gumley, L., Prins, E., Weinstock, L., MacDonald, C., Wayland, R., Dimmick, F., and Fishman, J.: Improving National Air Quality Forecasts with Satellite Aerosol Observations, B. Am. Meteorol. Soc., 86, 1249–1261, 2005.
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ASDC: NASA Airborne Science Data for Atmospheric Composition: DISCOVER-AQ, available at: http://www-air.larc.nasa.gov/cgi-bin/ArcView/discover-aq.dc-2011 (last access: 14 January 2016), 2015.
Brem, B. T., Mena Gonzalez, F. C., Meyers, S. R., Bond, T. C., and Rood, M. J.: Laboratory-Measured Optical Properties of Inorganic and Organic Aerosols at Relative Humidities up to 95 %, Aerosol Sci. Tech., 46, 178–190, 2012.
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Airborne measurements in Baltimore-Washington, DC allow for an understanding of the relationship between aerosol extinction which can be measured by satellites and aerosol mass used for air quality monitoring. Extinction was found to be driven to first order by aerosol loadings; however, humidity-driven aerosol hydration plays an important secondary role. Spatial and diurnal variability in aerosol composition were small, but day-to-day variability in aerosol hygroscopicity must be accounted for.
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