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El Niño causes a trophic cascade which impacts entire ecosystems starting with primary producers and ending with critical animals such as sharks, penguins, and seals. [234] The effects of El Niño can become detrimental to populations that often starve and die back during these years.
The relationship between El Niño and California rainfall has been described as "fragile", as only the "persistent El Niño" leads to consistently higher rainfall in the state, while the other flavors of ENSO have mixed effects at best. [14] Historically, El Niño was not understood to affect U.S. weather patterns until Christensen et al. (1981 ...
El Niño is a natural climate event caused by the Southern Oscillation, popularly known as El Niño or also in meteorological circles as El Niño-Southern Oscillation or ENSO, [6] through which global warming of the eastern equatorial Pacific Ocean results in the development of unusually warm waters between the coast of South America and the ...
A major key to shaping weather patterns worldwide is found in the tropical Pacific Ocean, far from any mainland. Known as the El Niño-Southern Oscillation (ENSO), this climate phenomenon is the ...
Strong El Niños have recently been observed from 1997 into 1998 and from 2015 into 2016. The increased chance for El Niño comes after La Niña conditions were present for nearly three straight ...
El Niño can significantly affect weather across the country, NOAA says. Warmer waters in the Pacific Ocean can alter jet streams and climate systems that help regulate temperatures, rainfall and ...
While climate-induced heat stress can directly reduce domestic animals' immunity against all diseases, [2] climatic factors also impact the distribution of many livestock pathogens themselves. For instance, Rift Valley fever outbreaks in East Africa are known to be more intense during the times of drought or when there is an El Nino. [14]
El Niños and their opposites, La Niñas, are naturally occurring weather phenomena that usually appear every two to seven years as a function of how the Pacific Ocean interacts with the air above it.