Aerosols help cool the climate by reflecting solar radiation back to space. Because the concentrations of these tiny suspended particles vary greatly in the atmosphere, however, global distributions of their physical and radiative properties are highly uncertain. Satellite measurements of aerosols provide the most reliable means of reducing these uncertainties and offer vital information for verifying global climate model simulations involving aerosols.
Using measurements from the Clouds and the Earth's Radiant Energy System (CERES) instrument on board the Tropical Rainfall Measuring Mission (TRMM) spacecraft, we recently studied the top-of-atmosphere direct radiative effect of …
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