publication . Article . 2008

Exploring the geoengineering of climate using stratospheric sulfate aerosols: The role of particle size

Philip J. Rasch; Paul J. Crutzen; Danielle B. Coleman;
Open Access
  • Published: 26 Jan 2008 Journal: Geophysical Research Letters, volume 35 (issn: 0094-8276, Copyright policy)
  • Publisher: American Geophysical Union (AGU)
Abstract
[1] Aerosols produced in the lower stratosphere can brighten the planet and counteract some of the effects of global warming. We explore scenarios in which the amount of precursors and the size of the aerosol are varied to assess their interactions with the climate system. Stratospheretroposphere exchange processes change in response to greenhouse gas forcing and respond to geoengineering by aerosols. Nonlinear feedbacks influence the amount of aerosol required to counteract the warming. More aerosol precursor must be injected than would be needed if stratosphere troposphere exchange processes did not change in response to greenhouse gases or aerosols. Aerosol p...
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Subjects
free text keywords: General Earth and Planetary Sciences, Geophysics, Solar radiation management, Atmospheric sciences, Effects of global warming, Troposphere, Climate change, Aerosol, Climatology, Global warming, Environmental science, Greenhouse gas, Stratosphere
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