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El Niño.
It is an anomalous natural phenomenon in the Pacific Ocean that refers to the temperature of the sea that occurs in the tropical Pacific Ocean.
Abnormally elevated phenomena. If this phenomenon lasts for too long, it will cause changes in the global climate, and even bring about some extreme weather phenomena, such as floods, which will have different impacts on people's lives.
1. El Niño Phenomenon El Niño is a transliteration of Spanish. Once upon a time, lived in El Cuador.
and people in Peru, who are very concerned about the relationship between the ocean and the weather. If the sea is warmer than usual around Christmas, it will rain heavily shortly after. At that time, the Indians were superstitious, so they called this phenomenon the prodigy warm current, which translates to El Niño.
2. The cause of the El Niño phenomenon is from November to March of the following year, which is the summer of the Southern Hemisphere, and the water temperature in the southern hemisphere will be relatively high at this time. The westward equatorial warm current strengthens and the global pressure zone moves southward. The northeast trade winds were affected and became the northwest monsoon, which weakened the southeast trade winds on the west coast of Peru, allowing the cold water in Peru to go upwards and gradually weaken or even disappear.
In this way, a warm equatorial current with higher water temperatures, El Niño, is formed.
3. The impact of El Niño, which disrupts normal climatic ocean currents.
The law of movement will disrupt the global wind direction and form abnormal climatic phenomena. It can cause severe climatic disasters to formHeavy rain, floods,MudslidesMoreover, Peruvian fisheries are affected by the El Niño current.
A large number of plankton in the deep sea cannot be transported to the surface in time, resulting in a large number of fish deaths. All these phenomena will have an impact on the safety of human life and economic benefits.
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El Niño is a natural disaster that refers to a widespread, prolonged period of anomalous warming in the waters of the eastern equatorial Pacific Ocean. El Niño causes uneven distribution of rain across the globe, with unusually heavy precipitation in some areas and persistent severe drought in others.
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El Niño is a climate anomaly. The climate can be extreme, such as warm winters, flooded summers, and flooding caused by continuous rainfall.
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El Niño refers to a period of warmer water in the eastern Pacific Ocean. The impact on our lives is that the climate will become more variable and abnormal, which is not conducive to production and life.
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The causes of El Niño are as follows:
For people who specialize in the study of natural meteorology, they may not be unfamiliar with El Niño, but in fact, most people are really confused when they hear this term, and they don't know what it is, in fact, as a natural phenomenon, there is a certain reason for the formation of El Niño!
1. The southeast trade winds weaken, when the southeast trade winds blowing near the equator in the southern hemisphere weaken, the cold water flooding in the Pacific region will decrease or stop, resulting in a wide range of abnormal warming of sea water temperature, and the traditional equatorial ocean current and atmospheric circulation are abnormal, resulting in abnormal precipitation in some areas along the Pacific coast, and severe drought in other places.
2. Earth rotation, it is found that the occurrence of El Niño events is related to the change of the Earth's rotation speed, and the short-term change of the Earth's rotation rate is inversely correlated with the change of SST in the eastern equatorial Pacific, that is, when the Earth's rotation rate accelerates in the short term, the SST in the eastern equatorial Pacific Ocean decreases. Conversely, when the Earth's rotation rate slows down for a short time, the sea surface temperature (SST) in the eastern equatorial Pacific Ocean increases. This suggests that the slowdown in the Earth's rotation may be the main reason for the formation of El Niño.
In addition, the rotation of the earth is also a major cause of El Niño, as the speed of the earth's rotation may also affect the sea surface temperature of the Pacific Ocean, resulting in an increase in the sea surface temperature of the eastern Pacific Ocean.
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