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Article: Experts link Earth's warming, rainfall to sun.(Viewpoint)
- Article from:
- Feedstuffs
- Article date:
- September 24, 2007
- Author:
CopyrightCOPYRIGHT 2007 Miller Publishing Company, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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A TEAM of water experts said the pattern of droughts and floods in South Africa shows that our global warming was triggered by the variability of the sun's irradiance rather than by human-emitted carbon dioxide.
They said variations in South African rainfall patterns are keyed to periodic reversals of the sun's magnetic field--and to the constantly changing distance between the sun and the Earth as both move through space.
In South Africa, alternate 11-year sunspot cycles produce opposite rainfall results. One complete "double sunspot cycle" occurs every 20.8 years. The "first" cycle brings a big flood, followed by a small drought; the next brings a big ...