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Smoke and Pollution Aerosol Effect on Cloud CoverPollution and smoke aerosols can increase or decrease the cloud cover. This duality in the effects of aerosols forms one of the largest uncertainties in climate research. Using solar measurements from Aerosol Robotic Network sites around the globe, we show an increase in cloud cover with an increase in the aerosol column concentration and an inverse dependence on the aerosol absorption of sunlight. The emerging rule appears to be independent of geographical location or aerosol type, thus increasing our confidence in the understanding of these aerosol effects on the clouds and climate. Preliminary estimates suggest an increase of 5% in cloud cover.
Document ID
20070031219
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Kaufman, Yoram J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Koren, Ilan
(Weizmann Inst. of Science Rehovot, Israel)
Date Acquired
August 23, 2013
Publication Date
August 4, 2006
Publication Information
Publication: Science
Publisher: American Association for the Advancement of Science
Volume: 313
Subject Category
Environment Pollution
Distribution Limits
Public
Copyright
Other

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