Articles | Volume 22, issue 13
https://doi.org/10.5194/acp-22-8579-2022
https://doi.org/10.5194/acp-22-8579-2022
Research article
 | 
05 Jul 2022
Research article |  | 05 Jul 2022

Influence of emission size distribution and nucleation on number concentrations over Greater Paris

Karine Sartelet, Youngseob Kim, Florian Couvidat, Maik Merkel, Tuukka Petäjä, Jean Sciare, and Alfred Wiedensohler

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Latest update: 16 Jun 2024
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Short summary
A methodology is defined to estimate number emissions from an inventory providing mass emissions. Number concentrations are simulated over Greater Paris using different nucleation parameterisations (binary, ternary involving sulfuric acid and ammonia, and heteromolecular involving sulfuric acid and extremely low-volatility organics, ELVOCs). The comparisons show that ternary nucleation may not be a dominant process for new particle formation in cities, but they stress the role of ELVOCs.
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