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I do not know how often it happens but i don know that it effects coral and the fish or other sea animals that inside and among it. The way it Effects the coral is by coral bleaching. When water temp. gets above about 70 to 75 degrees the coral goes into "survival mode". The zooxanthellea that live inside the coral produce toxins, therefore the coral must kick its mian source of food out of its boy starving istelf to death.

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14y ago
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5mo ago

El Nino events occur irregularly, typically every 2 to 7 years, and can last for several months to a couple of years. They affect global weather patterns by causing above-average sea surface temperatures in the central and eastern Pacific Ocean, leading to changes in precipitation, temperature, and storm patterns around the world.

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Q: How often does El Nino occur and what does it affect?
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Related questions

How does el nino affect hurricans?

El Nino (the warm phase) produces favorable hurricane conditions.


What city do el nino occur in?

El Nino is a coupled ocean-atmosphere oscillation. It has effects on most cities in the world.


How does El Nino affect industries in Mozambique?

El Nino affects industries in mozambique because of the weather changes.


How will el nino affect us in the future?

El-nino will affect us by causing destruction to crops and livestock. It may also cause flooding and destruction of other properties.


How does El Nino affect the ecosystem?

El Nino can be the cause of fish and other marine life leaving their home due to the lack of water in the affected area. El Nino also causes dramatic temperature fluctuations in the water.


El Nino seems to occur on a cycle lasting?

3-7 yrs


Explain the relationship between El Nino and upwelling?

El nino needs to be answered for real people anyway El nino mixes with upwelling and creates don't know but it can kill you


What is El Nino and how does it affect South America?

La Nina brings drought to the continent. El Nino on the other hand brings floods, rain, rising rivers and misery.


Is el nino good or bad?

El Nino is bad


Which weather phenomenon translate from the spanish for the little boy?

The weather phenomenon is known as El Nino.


How does El Nino influence the weather in Eastern Australia?

El Nino brings drought conditions to eastern Australia. These effects often last for several years, and they are by no means restricted to the eastern states. Lack of rainfall accompanying an El Nino can also affect the west coast, bordering the Indian Ocean. Australia's severe bushfire seasons are often preceded by the El Nino phenomena, extending for any number of years. This was the case in the 1982-83 season, leading to the horrific Ash Wednesday bushfires, and again in 2008-09, leading to the even worse Victorian "Black Saturday" bushfires.


What changes occur in the pacific ocean during El Nino?

Effect of El Nino include droughts in the western Pacific areas of Australia and Indonesia and increased rain and flooding in the eastern Pacific including Peru and California.