Long-Term Satellite Record Reveals Likely Recent Aerosol Trend

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Science  16 Mar 2007:
Vol. 315, Issue 5818, pp. 1543
DOI: 10.1126/science.1136709

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Analysis of the long-term Global Aerosol Climatology Project data set reveals a likely decrease of the global optical thickness of tropospheric aerosols by as much as 0.03 during the period from 1991 to 2005. This recent trend mirrors the concurrent global increase in solar radiation fluxes at Earth's surface and may have contributed to recent changes in surface climate.

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