Articles | Volume 21, issue 12
https://doi.org/10.5194/nhess-21-3731-2021
https://doi.org/10.5194/nhess-21-3731-2021
Research article
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10 Dec 2021
Research article | Highlight paper |  | 10 Dec 2021

Modelling the volcanic ash plume from Eyjafjallajökull eruption (May 2010) over Europe: evaluation of the benefit of source term improvements and of the assimilation of aerosol measurements

Matthieu Plu, Guillaume Bigeard, Bojan Sič, Emanuele Emili, Luca Bugliaro, Laaziz El Amraoui, Jonathan Guth, Beatrice Josse, Lucia Mona, and Dennis Piontek

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Cited articles

Arason, P., Petersen, G. N., and Bjornsson, H.: Observations of the altitude of the volcanic plume during the eruption of Eyjafjallajökull, April–May 2010, Earth Syst. Sci. Data, 3, 9–17, https://doi.org/10.5194/essd-3-9-2011, 2011. a
Beckett, F. M., Witham, C. S., Leadbetter, S. J., Crocker, R., Webster, H. N., Hort, M. C., Jones, A. R., Devenish, B. J., and Thomson, D. J.: Atmospheric Dispersion Modelling at the London VAAC: A Review of Developments since the 2010 Eyjafjallajökull Volcano Ash Cloud, Atmosphere, 11, 1–26, https://doi.org/10.3390/atmos11040352, 2020. a, b, c
Bolić, T. and Sivčev, Z.: Eruption of Eyjafjallajökull in Iceland: Experience of European Air Traffic Management, Transport. Res. Rec., 2214, 136–143, https://doi.org/10.3141/2214-17, 2011. a
Clarkson, R. J., Majewicz, E. J. E., and Mack, P.: A re-evaluation of the 2010 quantitative understanding of the effects volcanic ash has on gas turbine engines, Proc. IMechE Part G: J. Aerospace Engineering, 230, 2274–2291, https://doi.org/10.1177/0954410015623372, 2016. a
Costa, A., Folch, A., and Macedonio, G.: A model for wet aggregation of ash particles in volcanic plumes and clouds: 1. Theoretical formulation, J. Geophys. Res.-Solid Ea., 115, B09201, https://doi.org/10.1029/2009JB007175, 2010. a
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Volcanic eruptions that spread out ash over large areas, like Eyjafjallajökull in 2010, may have huge economic consequences due to flight cancellations. In this article, we demonstrate the benefits of source term improvement and of data assimilation for quantifying volcanic ash concentrations. The work, which was supported by the EUNADICS-AV project, is the first one, to our knowledge, that demonstrates the benefit of the assimilation of ground-based lidar data over Europe during an eruption.
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