Articles | Volume 22, issue 22
https://doi.org/10.5194/acp-22-14503-2022
https://doi.org/10.5194/acp-22-14503-2022
Research article
 | 
15 Nov 2022
Research article |  | 15 Nov 2022

The simulation of mineral dust in the United Kingdom Earth System Model UKESM1

Stephanie Woodward, Alistair A. Sellar, Yongming Tang, Marc Stringer, Andrew Yool, Eddy Robertson, and Andy Wiltshire

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We describe the dust scheme in the UKESM1 Earth system model and show generally good agreement with observations. Comparing with the closely related HadGEM3-GC3.1 model, we show that dust differences are not only due to inter-model differences but also to the dust size distribution. Under climate change, HadGEM3-GC3.1 dust hardly changes, but UKESM1 dust decreases because that model includes the vegetation response which, in our models, has a bigger impact on dust than climate change itself.
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