|Volcanoes and Global Cooling|
Volcanic eruptions are thought to be responsible for the global cooling that has been observed for a few years after a major eruption. The amount and global extent of the cooling depend on the force of the eruption and, possibly, its latitude. When large masses of gases from the eruption reach the stratosphere, they can produce a large, widespread cooling effect. As a prime example, the effects of Mount Pinatubo, which erupted in June 1991, may have lasted a few years, serving to offset temporarily the predicted greenhouse effect. This site describes the phenomenon of volcanic global cooling and NASA's instruments and missions to study it.
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DLESE Catalog ID: NASA-Edmall-2748
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Contributor: Lynn Jenner