Articles | Volume 19, issue 3
Atmos. Chem. Phys., 19, 1971–1983, 2019
https://doi.org/10.5194/acp-19-1971-2019
Atmos. Chem. Phys., 19, 1971–1983, 2019
https://doi.org/10.5194/acp-19-1971-2019

Research article 13 Feb 2019

Research article | 13 Feb 2019

A proxy for atmospheric daytime gaseous sulfuric acid concentration in urban Beijing

Yiqun Lu et al.

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Latest update: 17 May 2021
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Short summary
Gaseous sulfuric acid is one of the key precursors for atmospheric new particle formation processes, but its measurement remains challenging. This work develops an estimation method for the gaseous sulfuric acid concentration in an urban environment in China using multiple atmospheric variables that are easier to measure. The consideration of the heterogeneous formation of HONO and the subsequent photo-production of OH radicals improves the performance of the estimation method.
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