Articles | Volume 21, issue 5
Atmos. Chem. Phys., 21, 3395–3425, 2021
https://doi.org/10.5194/acp-21-3395-2021
Atmos. Chem. Phys., 21, 3395–3425, 2021
https://doi.org/10.5194/acp-21-3395-2021

Research article 05 Mar 2021

Research article | 05 Mar 2021

Future changes in isoprene-epoxydiol-derived secondary organic aerosol (IEPOX SOA) under the Shared Socioeconomic Pathways: the importance of physicochemical dependency

Duseong S. Jo et al.

Data sets

IEPOX-SOA and related chemical/meteorological fields simulated by CESM2/CAM-chem under present and future conditions Duseong Jo, Alma Hodzic, Louisa Emmons, Simone Tilmes, Rebecca Schwantes, Michael J. Mills, Pedro Campuzano-Jost, Weiwei Hu, Rahul A. Zaveri, Richard C. Easter, Balwinder Singh, Zheng Lu, Christiane Schulz, Johannes Schneider, John E. Shilling, Armin Wisthaler, and Jose Jimenez https://doi.org/10.5065/7873-2z88

CESM2.1.0 CESM https://github.com/ESCOMP/CESM

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Short summary
Secondary organic aerosol (SOA) is a major component of submicron particulate matter, but there are a lot of uncertainties in the future prediction of SOA. We used CESM 2.1 to investigate future IEPOX SOA concentration changes. The explicit chemistry predicted substantial changes in IEPOX SOA depending on the future scenario, but the parameterization predicted weak changes due to simplified chemistry, which shows the importance of correct physicochemical dependencies in future SOA prediction.
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