Articles | Volume 21, issue 15
https://doi.org/10.5194/acp-21-12021-2021
https://doi.org/10.5194/acp-21-12021-2021
Research article
 | 
11 Aug 2021
Research article |  | 11 Aug 2021

Spatiotemporal changes in aerosol properties by hygroscopic growth and impacts on radiative forcing and heating rates during DISCOVER-AQ 2011

Daniel Pérez-Ramírez, David N. Whiteman, Igor Veselovskii, Richard Ferrare, Gloria Titos, María José Granados-Muñoz, Guadalupe Sánchez-Hernández, and Francisco Navas-Guzmán

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Cited articles

Aknan, A.: DISCOVER-AQ [data set], available at: https://www-air.larc.nasa.gov/missions/discover-aq/discover-aq.html, last access: 9 July 2018. 
Beyersdorf, A. J., Ziemba, L. D., Chen, G., Corr, C. A., Crawford, J. H., Diskin, G. S., Moore, R. H., Thornhill, K. L., Winstead, E. L., and Anderson, B. E.: The impacts of aerosol loading, composition, and water uptake on aerosol extinction variability in the Baltimore–Washington, DC region, Atmos. Chem. Phys., 16, 1003–1015, https://doi.org/10.5194/acp-16-1003-2016, 2016. 
Bhawar, R. L., Lee, W.-S., and Rahul, P. R. C.: Aerosol types and radiative forcing estimates over East Asia, Atmos. Environ., 141, 532–541, https://doi.org/10.1016/j.atmosenv.2016.07.028, 2016. 
Bian, H., Chin, M., Rodriguez, J. M., Yu, H., Penner, J. E., and Strahan, S.: Sensitivity of aerosol optical thickness and aerosol direct radiative effect to relative humidity, Atmos. Chem. Phys., 9, 2375–2386, https://doi.org/10.5194/acp-9-2375-2009, 2009. 
Boucher, O.: Atmospheric aerosols: Properties and climate impacts, Springer, ISBN 978-94-017-9648-4, 2015. 
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This paper shows how aerosol hygroscopicity enhances the vertical profile of aerosol backscattering and extinction. The study is possible thanks to the large set of remote sensing instruments and focuses on the the Baltimore–Washington DC metropolitan area during hot and humid summer days with very relevant anthropogenic emission aerosol sources. The results illustrate how the combination of aerosol emissions and meteorological conditions ultimately alters the aerosol radiative forcing.
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