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

Boichu, M.; Clarisse, L.; Péré, J.-C.; Herbin, H.; Goloub, P.; Thieuleux, F.; Ducos, F.; Clerbaux, C.; Tanré, D.

doi:https://doi.org/10.5194/acp-15-8381-2015

Articles | Volume 15, issue 14

https://doi.org/10.5194/acp-15-8381-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-15-8381-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 14

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, L. Clarisse, J.-C. Péré, H. Herbin, P. Goloub, F. Thieuleux, F. Ducos, C. Clerbaux, and D. Tanré

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Final revised paper (published on 28 Jul 2015)
Preprint (discussion started on 23 Feb 2015)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC C989: 'Review of manuscript acp-2014-1006, "Temporal variations of flux and SO2 emissions . . . " by Boichu et al.', Larry Mastin, 23 Mar 2015
- AC C4154: 'Response of authors to both referees', Marie Boichu, 30 Jun 2015
RC C2975: 'comments', Anonymous Referee #2, 26 May 2015
- AC C4160: 'Response of authors to both referees', Marie Boichu, 30 Jun 2015

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Marie Boichu on behalf of the Authors (01 Jul 2015) Author's response Manuscript

ED: Publish subject to technical corrections (09 Jul 2015) by Jianzhong Ma

AR by Marie Boichu on behalf of the Authors (12 Jul 2015) Author's response Manuscript

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.