Climate of the Past
Climate of the Past
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Articles | Volume 20, issue 5
Articles | Volume 20, issue 5
https://doi.org/10.5194/cp-20-1195-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-20-1195-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 5
Research article
 | 
23 May 2024
Research article |  | 23 May 2024

Aerosol uncertainties in tropical precipitation changes for the mid-Pliocene warm period

Anni Zhao, Ran Feng, Chris M. Brierley, Jian Zhang, and Yongyun Hu

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Short summary
We analyse simulations with idealised aerosol scenarios to examine the importance of aerosol forcing on mPWP precipitation and how aerosol uncertainty could explain the data–model mismatch. We find further warming, a narrower and stronger ITCZ, and monsoon domain rainfall change after removal of industrial emissions. Aerosols have more impacts on tropical precipitation than the mPWP boundary conditions. This highlights the importance of prescribed aerosol scenarios in simulating mPWP climate.
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