Articles | Volume 22, issue 22
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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Cited articles

AERONET: AOD V3 data, AERONET [data set],, last access: 16 March 2022. 
Albani, S., Mahowald, N. M., Perry, A. T., Scanza R. A., Zender, C. S., Heavens, N. G., Maggi, V., Kok, J. F., and Otto-Bleisner, B. L.: Improved dust representation in the Community Atmosphere Model, J. Adv. Model. Earth Syst., 6, 541–570,, 2014. 
Alfaro, S. C. and Gomes, L.: Modeling mineral aerosol production by wind erosion: Emission intensities and aerosol size distributions in source areas, J. Geophys. Res.-Atmos., 106, 18075–18084,, 2001. 
Bagnold, R. A.: The Physics of Blown Sand and Desert Dunes, Methuen, New York, ISBN 978-94-009-5682-7, 1941. 
Short summary
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.
Final-revised paper