Forbush decrease
A Forbush decrease is a rapid decrease in the observed galactic cosmic ray intensity following a coronal mass ejection (CME). It occurs due to the magnetic field of the plasma solar wind sweeping some of the galactic cosmic rays away from Earth.
NEGRO WOLF
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Effects on the atmosphere
A 2009 peer reviewed article[1] found that low clouds contain less liquid water following Forbush decreases, and for the most influential events the liquid water in the oceanic atmosphere can diminish by as much as 7%.
History
The term Forbush decrease was named after the American physicist Scott E. Forbush, who studied cosmic rays in the 1930s and 1940s.
See also
External links
- Who's Afraid of a Solar Flare? from Science@NASA
- Cosmic Ray Data Applications to Space Weather Forecasting