Articles | Volume 20, issue 23
Atmos. Chem. Phys., 20, 15015–15036, 2020
https://doi.org/10.5194/acp-20-15015-2020

Special issue: Satellite observations, in situ measurements and model simulations...

Atmos. Chem. Phys., 20, 15015–15036, 2020
https://doi.org/10.5194/acp-20-15015-2020

Research article 04 Dec 2020

Research article | 04 Dec 2020

Particle aging and aerosol–radiation interaction affect volcanic plume dispersion: evidence from the Raikoke 2019 eruption

Lukas O. Muser et al.

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Short summary
Volcanic aerosols endanger aircraft and thus disrupt air travel globally. For aviation safety, it is vital to know the location and lifetime of such aerosols in the atmosphere. Here we show that the interaction of volcanic particles with each other eventually reduces their atmospheric lifetime. Moreover, we demonstrate that sunlight heats these particles, which lifts them several kilometers in the atmosphere. These findings support a more reliable forecast of volcanic aerosol dispersion.
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