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Global estimate of aerosol direct radiative forcing from satellite measurements

Nicolas Bellouin (), Olivier Boucher, Jim Haywood and M. Shekar Reddy
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Nicolas Bellouin: Met Office
Olivier Boucher: Met Office
Jim Haywood: Met Office
M. Shekar Reddy: NOAA Geophysical Fluid Dynamics Laboratory

Nature, 2005, vol. 438, issue 7071, 1138-1141

Abstract: Climate warming in the air Human activities, chiefly biomass burning and industrial processes, increase the atmospheric loading of tiny particles called aerosols. As the aerosols interact with solar and thermal radiation, they have a significant impact on climate, yet the sum of their radiative effects on the atmosphere remains uncertain. Using state-of-the-art satellite measurements and modelling, the global clear-sky radiative effect of anthropogenic aerosols has been estimated over both land and sea for 2002. The net effect suggests stronger cooling than previously modelled estimates. As atmospheric aerosol levels continue to fall as a result of clean-air policies, future atmospheric warming may be greater than presently predicted.

Date: 2005
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DOI: 10.1038/nature04348

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