Articles | Volume 22, issue 15
https://doi.org/10.5194/acp-22-10061-2022
https://doi.org/10.5194/acp-22-10061-2022
Research article
 | 
05 Aug 2022
Research article |  | 05 Aug 2022

Sulfuric acid in the Amazon basin: measurements and evaluation of existing sulfuric acid proxies

Deanna C. Myers, Saewung Kim, Steven Sjostedt, Alex B. Guenther, Roger Seco, Oscar Vega Bustillos, Julio Tota, Rodrigo A. F. Souza, and James N. Smith

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Short summary
We present the first measurements of gas-phase sulfuric acid from the Amazon basin and evaluate the efficacy of existing sulfuric acid parameterizations in this understudied region. Sulfuric acid is produced during the daytime and nighttime, though current proxies underestimate nighttime production. These results illustrate the need for better parameterizations of sulfuric acid and its precursors that are informed by measurements across a broad range of locations.
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