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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Cited articles

Abdelkader, M., Metzger, S., Steil, B., Klingmüller, K., Tost, H., Pozzer, A., Stenchikov, G., Barrie, L., and Lelieveld, J.: Sensitivity of transatlantic dust transport to chemical aging and related atmospheric processes, Atmos. Chem. Phys., 17, 3799–3821, https://doi.org/10.5194/acp-17-3799-2017, 2017. a, b, c
Ayris, P. M. and Delmelle, P.: Volcanic and atmospheric controls on ash iron solubility: A review, Phys. Chem. Earth, 45–46, 103–112, https://doi.org/10.1016/j.pce.2011.04.013, 2012. a
Bagheri, G. and Bonadonna, C.: Aerodynamics of Volcanic Particles: Characterization of Size, Shape, and Settling Velocity, in: Volcanic Ash Hazard Observation, edited by: Mackie, S., Cashman, K., Ricketts, H., Rust, A., and Watson, M., Elsevier, Volcanic Ash: hazard observation, ISBN 978-0-08-100405-0, available at: https://archive-ouverte.unige.ch/unige:86745 (last access: 10 April 2020), 2016. a
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Bohren, C. F. and Huffman, D. R.: Absorption and Scattering of Light by Small Particles, John Wiley & Sons, Ltd, New York, ISBN 9783527618156, 1983. a
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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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