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https://doi.org/10.5194/acpd-7-2857-2007
© Author(s) 2007. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
https://doi.org/10.5194/acpd-7-2857-2007
© Author(s) 2007. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
23 Feb 2007
Status: this preprint was under review for the journal ACP. A revision for further review has not been submitted.
Extended observations of volcanic SO2 and sulfate aerosol in the stratosphere
Abstract. Sulfate aerosol produced after injection of sulfur dioxide (SO2) into the stratosphere by volcanic eruptions can trigger climate change. We present new satellite data from the Ozone Monitoring Instrument (OMI) and Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) missions that reveal the composition, structure and longevity of a stratospheric SO2 cloud and derived sulfate layer following a modest eruption (0.2 Tg total SO2) of Soufriere Hills volcano, Montserrat on 20 May 2006. The SO2 cloud alone was tracked for over 3 weeks and a distance of over 20 000 km; unprecedented for an eruption of this size. Derived sulfate aerosol at an altitude of ~20 km had circled the globe by 22 June and remained visible in CALIPSO data until at least 6 July. These synergistic NASA A-Train observations permit a new appreciation of the potential effects of frequent, small-to-moderate volcanic eruptions on stratospheric composition and climate.
How to cite. Carn, S. A., Krotkov, N. A., Yang, K., Hoff, R. M., Prata, A. J., Krueger, A. J., Loughlin, S. C., and Levelt, P. F.: Extended observations of volcanic SO2 and sulfate aerosol in the stratosphere, Atmos. Chem. Phys. Discuss., 7, 2857–2871, https://doi.org/10.5194/acpd-7-2857-2007, 2007.
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Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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RC S749: 'Review of Carn et al.', Anonymous Referee #1, 26 Mar 2007
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AC S2317: 'Response to referee #1', Simon Carn, 07 Jun 2007
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AC S2317: 'Response to referee #1', Simon Carn, 07 Jun 2007
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RC S885: 'Review S.A, Carn et al Extended observat', Anonymous Referee #2, 30 Mar 2007
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AC S2210: 'Response to referee #2', Simon Carn, 31 May 2007
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AC S2210: 'Response to referee #2', Simon Carn, 31 May 2007
Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
- Printer-friendly version
- Supplement
-
RC S749: 'Review of Carn et al.', Anonymous Referee #1, 26 Mar 2007
-
AC S2317: 'Response to referee #1', Simon Carn, 07 Jun 2007
-
AC S2317: 'Response to referee #1', Simon Carn, 07 Jun 2007
-
RC S885: 'Review S.A, Carn et al Extended observat', Anonymous Referee #2, 30 Mar 2007
-
AC S2210: 'Response to referee #2', Simon Carn, 31 May 2007
-
AC S2210: 'Response to referee #2', Simon Carn, 31 May 2007
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Saved
Latest update: 30 Apr 2024
S. A. Carn
Joint Center for Earth Systems Technology (JCET), University of Maryland Baltimore County (UMBC), Baltimore, MD 21250, USA
N. A. Krotkov
Goddard Earth Sciences and Technology (GEST) center, UMBC, Baltimore, MD 21250, USA
K. Yang
Goddard Earth Sciences and Technology (GEST) center, UMBC, Baltimore, MD 21250, USA
R. M. Hoff
Goddard Earth Sciences and Technology (GEST) center, UMBC, Baltimore, MD 21250, USA
A. J. Prata
Norwegian Institute for Air Research (NILU), PO Box 100, 2027 Kjeller, Norway
A. J. Krueger
Joint Center for Earth Systems Technology (JCET), University of Maryland Baltimore County (UMBC), Baltimore, MD 21250, USA
S. C. Loughlin
Montserrat Volcano Observatory, Flemming, Montserrat, WI, USA
British Geological Survey, West Mains Road, Edinburgh, EH9 3LA, UK
P. F. Levelt
Royal Netherlands Meteorological Institute (KNMI), 3730 AE De Bilt, The Netherlands