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Title: Influence of water uptake on the aerosol particle light scattering coefficients of the Central European aerosol
Authors: Zieger, PaulFierz-Schmidhauser, RahelPoulain, LaurentMüller, ThomasBirmili, WolframSpindler, GeraldWiedensohler, AlfredBaltensperger, UrsWeingartner, Ernest
Publishers Version: https://doi.org/10.3402/tellusb.v66.22716
Issue Date: 2014
Published in: Tellus B: Chemical and Physical Meteorology, Volume 66, Issue 1
Publisher: Milton Park : Taylor & Francis
Abstract: The influence of aerosol water uptake on the aerosol particle light scattering was examined at the regional continental research site Melpitz, Germany. The scattering enhancement factor f(RH), defined as the aerosol particle scattering coefficient at a certain relative humidity (RH) divided by its dry value, was measured using a humidified nephelometer. The chemical composition and other microphysical properties were measured in parallel. f(RH) showed a strong variation, e.g. with values between 1.2 and 3.6 at RH85% and l550 nm. The chemical composition was found to be the main factor determining the magnitude of f(RH), since the magnitude of f(RH) clearly correlated with the inorganic mass fraction measured by an aerosol mass spectrometer (AMS). Hysteresis within the recorded humidograms was observed and explained by long-range transported sea salt. A closure study using Mie theory showed the consistency of the measured parameters.
Keywords: aerosol particle light scattering; hygroscopic growth; scattering enhancement; aerosol mass spectrometer; field measurements; optical closure study
DDC: 550
License: CC BY 4.0 Unported
Link to License: https://creativecommons.org/licenses/by/4.0/
Appears in Collections:Geowissenschaften

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Zieger, Paul, Rahel Fierz-Schmidhauser, Laurent Poulain, Thomas Müller, Wolfram Birmili, Gerald Spindler, Alfred Wiedensohler, Urs Baltensperger and Ernest Weingartner, 2014. Influence of water uptake on the aerosol particle light scattering coefficients of the Central European aerosol. 2014. Milton Park : Taylor & Francis
Zieger P, Fierz-Schmidhauser R, Poulain L, et al. Influence of water uptake on the aerosol particle light scattering coefficients of the Central European aerosol. 2014. doi:https://doi.org/10.3402/tellusb.v66.22716
Zieger P, Fierz-Schmidhauser R, Poulain L, Müller T, Birmili W, Spindler G, Wiedensohler A, Baltensperger U, Weingartner E (2014) Influence of water uptake on the aerosol particle light scattering coefficients of the Central European aerosol
Zieger, P., Fierz-Schmidhauser, R., Poulain, L., Müller, T., Birmili, W., Spindler, G., Wiedensohler, A., Baltensperger, U. & Weingartner, E. Influence of water uptake on the aerosol particle light scattering coefficients of the Central European aerosol. (2014) doi:https://doi.org/10.3402/tellusb.v66.22716.
P. Zieger, R. Fierz-Schmidhauser, L. Poulain, T. Müller, W. Birmili, G. Spindler, A. Wiedensohler, U. Baltensperger, E. Weingartner, Influence of water uptake on the aerosol particle light scattering coefficients of the Central European aerosol (2014), doi:https://doi.org/10.3402/tellusb.v66.22716.
P. Zieger, R. Fierz-Schmidhauser, L. Poulain, T. Müller, W. Birmili, G. Spindler, A. Wiedensohler, U. Baltensperger and E. Weingartner, 2014.
P. Zieger et al., “Influence of water uptake on the aerosol particle light scattering coefficients of the Central European aerosol.” Milton Park : Taylor & Francis, 2014, doi: https://doi.org/10.3402/tellusb.v66.22716.


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