Focus Area Lead - Steve Ghan
The role of aerosols in climate forcing is a critical factor in assessment and prediction of climate changes, as well as in advancing climate modeling frameworks. Aerosol forcing has two major components, direct and indirect. Direct effects of aerosols are the influence of the aerosols on the planet's radiation balance by the scattering of solar radiation, which result in the cooling of the Earth's surface. Aerosols can also have an indirect effect on climate, based on the ways in which aerosols interact with surrounding clouds. Direct effects of aerosols on the climate system are much better understood and quantified than the indirect effects.
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