Volume 91 Issue 19 | p. 40 | Concentrates
Issue Date: May 13, 2013

Airborne Mineral Dust Adds Sulfate To Aerosols

Results point to altered climate-cooling effects of atmospheric particles
Department: Science & Technology
News Channels: Environmental SCENE
Keywords: cloud, aerosol, climate

Aerosol particles in the air undergo chemical reactions that change their size and hygroscopicity. Those properties in turn influence how airborne aerosols affect climate by scattering radiation and modifying the brightness and lifetime of clouds. Adding sulfate to those particles is a particularly important process. A research group led by Peter Hoppe, Eliza Harris, and Bärbel Sinha of the Max Planck Institute for Chemistry, in Germany, now pinpoints transition-metal . . .

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