Variation of seasalt aerosol pH with relative humidity

von Glasow, Roland and Sander, Rolf (2001) Variation of seasalt aerosol pH with relative humidity. Geophysical Research Letters, 28 (2). pp. 247-250. ISSN 1944-8007

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Abstract

Calculations of the pH of sea salt aerosol particles show that the pH decreases with increasing relative humidity and therefore increasing liquid water content of the particles. We show that this puzzling effect is a result of the high concentration of chloride in the particles and the phase partitioning of HCl between the gas and aqueous phase, that makes the gas phase act as a reservoir for acidity for the sea salt particles. Implications for the marine boundary layer are briefly discussed.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Environmental Sciences
UEA Research Groups:	Faculty of Science > Research Groups > Volcanoes@UEA (former - to 2018) Faculty of Science > Research Groups > Marine and Atmospheric Sciences (former - to 2017) Faculty of Science > Research Groups > Meteorology, Oceanography and Climate Dynamics (former - to 2017) Faculty of Science > Research Groups > Atmospheric Chemistry (former - to 2018) Faculty of Science > Research Groups > Climate, Ocean and Atmospheric Sciences (former - to 2017) Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences
Depositing User:	Rachel Snow
Date Deposited:	06 Apr 2011 12:47
Last Modified:	08 Aug 2023 12:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/28224
DOI:	10.1029/2000GL012387

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