Large volcanic aerosol load in the stratosphere linked to Asian monsoon transport

Adam E. Bourassa; Alan Robock; William J. Randel; Terry Deshler; Landon A. Rieger; Nicholas D. Lloyd; E. J. Llewellyn; Douglas A. Degenstein

doi:10.1126/science.1219371

Large volcanic aerosol load in the stratosphere linked to Asian monsoon transport

Adam E. Bourassa, Alan Robock, William J. Randel, Terry Deshler, Landon A. Rieger, Nicholas D. Lloyd, E. J. Llewellyn, Douglas A. Degenstein

Atmospheric Composition Remote Sensing and Prediction

Research output: Contribution to journal › Article › peer-review

168 Scopus citations

Abstract

The Nabro stratovolcano in Eritrea, northeastern Africa, erupted on 13 June 2011, injecting approximately 1.3 teragrams of sulfur dioxide (SO₂) to altitudes of 9 to 14 kilometers in the upper troposphere, which resulted in a large aerosol enhancement in the stratosphere. The SO₂ was lofted into the lower stratosphere by deep convection and the circulation associated with the Asian summer monsoon while gradually converting to sulfate aerosol. This demonstrates that to affect climate, volcanic eruptions need not be strong enough to inject sulfur directly to the stratosphere.

Original language	English
Pages (from-to)	78-81
Number of pages	4
Journal	Science
Volume	336
Issue number	6090
DOIs	https://doi.org/10.1126/science.1219371
State	Published - Jul 6 2012

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title = "Large volcanic aerosol load in the stratosphere linked to Asian monsoon transport",

abstract = "The Nabro stratovolcano in Eritrea, northeastern Africa, erupted on 13 June 2011, injecting approximately 1.3 teragrams of sulfur dioxide (SO2) to altitudes of 9 to 14 kilometers in the upper troposphere, which resulted in a large aerosol enhancement in the stratosphere. The SO2 was lofted into the lower stratosphere by deep convection and the circulation associated with the Asian summer monsoon while gradually converting to sulfate aerosol. This demonstrates that to affect climate, volcanic eruptions need not be strong enough to inject sulfur directly to the stratosphere.",

author = "Bourassa, \{Adam E.\} and Alan Robock and Randel, \{William J.\} and Terry Deshler and Rieger, \{Landon A.\} and Lloyd, \{Nicholas D.\} and Llewellyn, \{E. J.\} and Degenstein, \{Douglas A.\}",

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AU - Bourassa, Adam E.

AU - Robock, Alan

AU - Randel, William J.

AU - Deshler, Terry

AU - Rieger, Landon A.

AU - Lloyd, Nicholas D.

AU - Llewellyn, E. J.

AU - Degenstein, Douglas A.

PY - 2012/7/6

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N2 - The Nabro stratovolcano in Eritrea, northeastern Africa, erupted on 13 June 2011, injecting approximately 1.3 teragrams of sulfur dioxide (SO2) to altitudes of 9 to 14 kilometers in the upper troposphere, which resulted in a large aerosol enhancement in the stratosphere. The SO2 was lofted into the lower stratosphere by deep convection and the circulation associated with the Asian summer monsoon while gradually converting to sulfate aerosol. This demonstrates that to affect climate, volcanic eruptions need not be strong enough to inject sulfur directly to the stratosphere.

AB - The Nabro stratovolcano in Eritrea, northeastern Africa, erupted on 13 June 2011, injecting approximately 1.3 teragrams of sulfur dioxide (SO2) to altitudes of 9 to 14 kilometers in the upper troposphere, which resulted in a large aerosol enhancement in the stratosphere. The SO2 was lofted into the lower stratosphere by deep convection and the circulation associated with the Asian summer monsoon while gradually converting to sulfate aerosol. This demonstrates that to affect climate, volcanic eruptions need not be strong enough to inject sulfur directly to the stratosphere.

UR - https://www.scopus.com/pages/publications/84863544484

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DO - 10.1126/science.1219371

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VL - 336

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JO - Science

JF - Science

IS - 6090

ER -

Large volcanic aerosol load in the stratosphere linked to Asian monsoon transport

Abstract

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