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

Muser, Lukas O.; Hoshyaripour, Gholam Ali; Bruckert, Julia; Horváth, Ákos; Malinina, Elizaveta; Wallis, Sandra; Prata, Fred J.; Rozanov, Alexei; von Savigny, Christian; Vogel, Heike; Vogel, Bernhard

doi:https://doi.org/10.5194/acp-20-15015-2020

Articles | Volume 20, issue 23

https://doi.org/10.5194/acp-20-15015-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Satellite observations, in situ measurements and model simulations...

https://doi.org/10.5194/acp-20-15015-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 23

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, Gholam Ali Hoshyaripour, Julia Bruckert, Ákos Horváth, Elizaveta Malinina, Sandra Wallis, Fred J. Prata, Alexei Rozanov, Christian von Savigny, Heike Vogel, and Bernhard Vogel

Data sets

NOAA JPSS Visible Infrared Imaging Radiometer Suite (VIIRS) Volcanic Ash Detection and Height Environmental Data Record (EDR) from NDE M. Pavolonis, H. Qi, and NOAA JPSS Program Office https://doi.org/10.7289/V5BK19KS

MODIS Atmosphere L2 Cloud Product (06\_L2), NASA MODIS Adaptive Processing System S. Platnick, S. Ackerman, M. King, M., et al. https://doi.org/10.5067/MODIS/MYD06\_L2.061

CLDPROP_L2_VIIRS_SNPP - VIIRS/Suomi-NPP Cloud Properties L2 6-Min Swath 750 m S. Platnick, K. G. Meyer, A. K. Heidinger, and R. Holz https://doi.org/10.5067/VIIRS/CLDPROP_L2_VIIRS_SNPP.011

LAADS DAAC NASA https://ladsweb.modaps.eosdis.nasa.gov

Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations NASA https://eosweb.larc.nasa.gov/project/calipso/calipso_table/

MODIS Atmosphere L2 Cloud Product (06\_L2), NASA MODIS Adaptive Processing System S. Platnick, S. Ackerman, M. King, M., et al. https://doi.org/10.5067/MODIS/MOD06_L2.061

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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.