STRATOSPHERIC AEROSOL INJECTION (SAI)

John A. Matthews

doi:10.4135/9781446247501

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STRATOSPHERIC AEROSOL INJECTION (SAI)

Edited by:
John A. Matthews
In:Encyclopedia of Environmental Change
Chapter DOI:https://doi.org/10.4135/9781446247501.n3730
Subject:Environmental Sciences (general), Environmental Technology, Policy & Management

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A climatic engineering solution to global warming that involves inserting aerosols into the stratosphere. Particles of appropriate size and abundance would increase the albedo of the stratosphere and reduce the incoming solar radiation reaching both the troposphere and the Earth’s surface. Tropospheric aerosol injection is not an acceptable option because of likely adverse effects.

John A.MatthewsSwansea University

http://dx.doi.org/10.4135/9781446247501.n3730

10.4135/9781446247501.n3730

CaldeiraK and WoodL (2008) Global and Arctic climate engineering: Numerical model studies.Philosophical Transactions of the Royal Society A366: 4039–4056.

CrutzenP (2006). Albedo enhancement by stratospheric sulfur injections: A contribution to resolve policy dilemma. Climatic Change77: 211–220.

RobockA, MarquardtAB, KravitzB and StenchikovG (2009) The benefits, risks, and costs of stratospheric geoengineering. Geophysical Research Letters36: L19703.

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