Copyright © 2007, Harvey Grosser. All rights reserved ... Global dimming is the gradual reduction in the amount of global direct irradiance at the Earth`s surface that was observed for several decades after the start of systematic measurements in the 1950s. The effect varies by location, but worldwide it has been estimated to be of the order of a 4% reduction over the three decades from 1960–1990. How....
a reduction in the amount of direct solar radiation reaching the surface of the earth due to light diffusion as a result of air pollution and increasing levels of cloud. A phenomenon of the last 30
the observed decrease in surface insolation, that may have recently reversed.
the reduction in the amount of solar radiation at the Earth's surface, through the presence of aerosols.