Articles | Volume 13, issue 5
Atmos. Meas. Tech., 13, 2623–2634, 2020
https://doi.org/10.5194/amt-13-2623-2020
Atmos. Meas. Tech., 13, 2623–2634, 2020
https://doi.org/10.5194/amt-13-2623-2020

Research article 20 May 2020

Research article | 20 May 2020

Simultaneous measurements of the relative-humidity-dependent aerosol light extinction, scattering, absorption, and single-scattering albedo with a humidified cavity-enhanced albedometer

Jiacheng Zhou et al.

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Cited articles

Abu-Rahmah, A., Arnott, W. P., and Moosmüller, H.: Integrating nephelometer with a low truncation angle and an extended calibration scheme, Meas. Sci. Technol., 17, 1723–1732, https://https://doi.org/10.1088/0957-0233/17/7/010, 2006. 
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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. 
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We report the first demonstration of a humidified cavity-enhanced albedometer (H-CEA) that combines a broadband cavity-enhanced aerosol albedometer with a humidigraph system for simultaneous and accurate measurements of multiple optical hygroscopic parameters (f(RH)ext,scat,abs,ω) at λ = 532 nm. The instrument is suitable for operating under high RH-conditions and has sampling advantages over independent measurements of different parameters with different instruments.