Walker circulation
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Walker Circulation
The Walker circulation is an atmospheric circulation of air over the equatorial Pacific Ocean. It is caused by the pressure gradient force that results from high pressure over the eastern pacific and low pressure over Indonesia.
WALKER CIRCULATION A deep east-west overturning in the atmosphere normally confined to within about 20 degrees latitude of the equator extending from low-levels to near the tropopause.
The Walker Circulation
The Walker circulation is named after Sir Gilbert Walker, a Director-General of British observatories in India who, early this century, ...
Later, the three-dimensional east-west circulation related to the SO was discovered and named the "Walker Circulation". The SO oscillates with a period of 2-5 years.
 See also: Circulation, Weather, Water, Surface, Air
  
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