El Niño Southern Oscillation

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El Niño Southern Oscillation

[el ¦nēn·yō ¦səth·ərn ‚äs·ə′lā·shən]
(oceanography)
The irregular cyclic swing in atmospheric pressure in the tropical Pacific.
The irregular cyclic swing of warm and cold phases in the tropical Pacific. Abbreviated ENSO.
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References in periodicals archive ?
It is part of a global-scale climate process known as the El Nino Southern Oscillation or ENSO.
El Nino Southern Oscillation and vegetation dynamics as predictors of dengue fever cases in Costa Rica.
We hypothesize that the El Nino Southern Oscillation influences fruit production which, in turn, limits frugivorous and granivorous mammals on Barro Colorado Island (BCI), Panama.
As the El Nino Southern Oscillation (ENSO)--a weather phenomenon resulting from unusually warm ocean temperatures in the equatorial Pacific Ocean--continues to disrupt climate patterns throughout the world, a number of World Wide Web sites have been developed to explain the event and to help people and businesses cope with its effects.
A recent US study (2) assessed, for the first time, the combined impact on global temperature of four factors: human influences such as carbon dioxide and aerosol emissions; heating from the sun; volcanic activity; and the El Nino southern oscillation.
El Nino Southern Oscillation (ENSO) events commonly transport more tropical species northwards along the Northeast Pacific Coast (Lea and Rosenblatt 2000), especially species known to aggregate around flotsam, such as jacks (Hunter and Mitchell 1966).
Impacts of the El Nino Southern Oscillation on tuna populations and fisheries in the tropical Pacific Ocean.
Global sea-surface temperatures and the El Nino Southern Oscillation greatly influence the success or failure of the rains, particularly in the Sahel--a semi-arid sub-Saharan region.
On high islands, changes in rainfall patterns either from interannual variations due to El Nino Southern Oscillation (ENSO) or a changed climate regime have caused severe shortages of water (3-5).
These reproduction bursts are initiated by the arrival of the El Nino Southern Oscillation (ENSO), a periodic shift in tropical Pacific circulation patterns that brings drought to Indonesia.
The 1993 HPS outbreak in the southwestern United States may have resulted from improvements in the quality of deer mouse habitat caused by the 1991-92 El Nino southern oscillation (24).