Articles | Volume 10, issue 5
https://doi.org/10.5194/gmd-10-1985-2017
https://doi.org/10.5194/gmd-10-1985-2017
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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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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