Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 10, issue 5
Articles | Volume 10, issue 5
https://doi.org/10.5194/gmd-10-1985-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/gmd-10-1985-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 10, issue 5
Development and technical paper
 | 
22 May 2017
Development and technical paper |  | 22 May 2017

Variational assimilation of IASI SO2 plume height and total column retrievals in the 2010 eruption of Eyjafjallajökull using the SILAM v5.3 chemistry transport model

Julius Vira, Elisa Carboni, Roy G. Grainger, and Mikhail Sofiev

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Latest update: 24 Apr 2025
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Short summary
The vertical and temporal distributions of sulfur dioxide emissions during the 2010 eruption of Eyjafjallajökull were reconstructed by combining data from the IASI satellite instrument with a dispersion model. Unlike in previous studies, both column density (the total amount above a given point) and the plume height were derived from the satellite data. This resulted in more accurate simulated vertical distributions for the times when the emission was not constrained by the column densities.
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