A critical evaluation of proxy methods used to estimate the acidity of atmospheric particles

Given significant challenges with available measurements of aerosol acidity, proxy methods are frequently used to estimate the acidity of atmospheric particles. In this study, four of the most common aerosol acidity proxies are evaluated and compared: (1) the ion balance method, (2) the molar ratio...

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Bibliographic Details
Main Authors: C. J. Hennigan, J. Izumi, A. P. Sullivan, R. J. Weber, A. Nenes
Format: Article
Language:English
Published: Copernicus Publications 2015-03-01
Series:Atmospheric Chemistry and Physics
Online Access:http://www.atmos-chem-phys.net/15/2775/2015/acp-15-2775-2015.pdf