Articles | Volume 15, issue 14
Atmos. Chem. Phys., 15, 8381–8400, 2015
https://doi.org/10.5194/acp-15-8381-2015
Atmos. Chem. Phys., 15, 8381–8400, 2015
https://doi.org/10.5194/acp-15-8381-2015

Research article 28 Jul 2015

Research article | 28 Jul 2015

Temporal variations of flux and altitude of sulfur dioxide emissions during volcanic eruptions: implications for long-range dispersal of volcanic clouds

M. Boichu et al.

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Short summary
IASI spaceborne imagery is used to reconstruct temporal variations of flux and altitude of volcanic emissions via an inversion procedure. Ground-based UV measurements underestimate the SO2 flux by 1 order of magnitude due to ash-induced plume opacity. Assimilation of SO2 altitude, retrieved directly from IASI, should render the inversion scheme independent of the wind shear prerequisite. CALIOP LiDAR observations support the coexistence of SO2 and sulfate aerosols in the volcanic cloud.
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