Articles | Volume 18, issue 10
Atmos. Chem. Phys., 18, 7669–7690, 2018
https://doi.org/10.5194/acp-18-7669-2018
Atmos. Chem. Phys., 18, 7669–7690, 2018
https://doi.org/10.5194/acp-18-7669-2018
Research article
01 Jun 2018
Research article | 01 Jun 2018

Strong impacts on aerosol indirect effects from historical oxidant changes

Inger Helene Hafsahl Karset et al.

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This study highlights the role of oxidants in modeling of the preindustrial-to-present-day aerosol indirect effects. We argue that the aerosol precursor gases should be exposed to oxidants of its era to get a more correct representation of secondary aerosol formation. Our global model simulations show that the total aerosol indirect effect changes from −1.32 to −1.07 W m−2 when the precursor gases in the preindustrial simulation are exposed to preindustrial instead of present-day oxidants.
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