Articles | Volume 20, issue 23
Atmos. Chem. Phys., 20, 14801–14820, 2020
https://doi.org/10.5194/acp-20-14801-2020
Atmos. Chem. Phys., 20, 14801–14820, 2020
https://doi.org/10.5194/acp-20-14801-2020

Research article 02 Dec 2020

Research article | 02 Dec 2020

Effects of 3D electric field on saltation during dust storms: an observational and numerical study

Huan Zhang and You-He Zhou

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Short summary
We assess the effects of triboelectric charging on wind-blown sand via observations and a numerical model. The 3D electric field within a few centimetres of the ground is characterized for the first time. By using the discrete element method together with the particle-charging model, we explicitly account for the particle–particle charging during collisions. We find that triboelectric charging could enhance the total mass flux and saltation height by up to 20 % and 15 %, respectively.
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