Articles | Volume 21, issue 1
Atmos. Chem. Phys., 21, 535–560, 2021
https://doi.org/10.5194/acp-21-535-2021

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

Atmos. Chem. Phys., 21, 535–560, 2021
https://doi.org/10.5194/acp-21-535-2021

Research article 15 Jan 2021

Research article | 15 Jan 2021

Stratospheric aerosol layer perturbation caused by the 2019 Raikoke and Ulawun eruptions and their radiative forcing

Corinna Kloss et al.

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Cited articles

Aeris: SO2 total column from IASI (Level 2), available at: https://iasi.aeris-data.fr/so2/ (last access: 8 January 2021), 2018. a, b, c
AERIS: Direct access to Aeris/Icare portal, available at: https://en.aeris-data.fr/direct-access-icare/, last access: 4 November 2020. a
Andersson, S., Martinsson, B., vernier, J., Friberg, J., Brenninkmeijer, C., Hermann, M., Velthoven, P., and Zahn, A.: Significant radiative impact of volcanic aerosol in the lowermost stratosphere, Nat. Commun., 6, 7692, https://doi.org/10.1038/ncomms8692, 2015. a, b
Bennis, K. and Venzke, E.: Bulletin of the Global Volcanism Network, 44:12, Global Volcanism Program, 2019, Report on Ulawun, Papua New Guinea, https://doi.org/10.5479/si.GVP.BGVN201912-252120, 2019. a
Berthet, G. and Renard, J.-B.: LOAC in situ balloon data for Raikoke eruption, Zenodo, https://doi.org/10.5281/zenodo.3937477, 2021. a
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Short summary
The year 2019 was particularly rich for the stratospheric aerosol layer due to two volcanic eruptions (at Raikoke and Ulawun) and wildfire events. With satellite observations and models, we describe the exceptionally complex situation following the Raikoke eruption. The respective plume overwhelmed the Northern Hemisphere stratosphere in terms of aerosol load and resulted in the highest climate impact throughout the past decade.
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