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Anonymous users2024-02-12La Niña is a phenomenon in which sea surface temperatures in the eastern and central equatorial Pacific Ocean remain abnormally cold. It is a corrective transition phenomenon after an El Niño year, always occurring after an El Niño and occurring every few years. La Niña typically results in lower water temperatures and droughts in the eastern Pacific Ocean, while warmer waters in the western Pacific and significantly more precipitation than normal in normal years.
Together with the El Niño, it can cause severe anomalies in the global climate.
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Anonymous users2024-02-11The opposite of El Niño.
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Anonymous users2024-02-10lanina, is what you call La Nina, also transliterated as La Niña in Chinese.
La Niña refers to the persistence of abnormally cold sea surface temperatures in the eastern and central equatorial Pacific Ocean (as opposed to El Niño). is a new term used in meteorological and oceanographic circles. Meaning "little girl", it is the opposite of El Niño, which means "Holy Child", also known as "anti-El Niño" or "cold event".
La Niña is a condition in which the waters of the central and eastern Pacific Ocean become abnormally cold. The eastern trade winds blow the surface of the sun-scorched sea water to the western Pacific Ocean, causing the sea level in the western part to increase by nearly 60 cm compared with the eastern one, and the sea temperature in the western part increases, the air pressure drops, and the moist air accumulates to form typhoons and tropical storms, and the bottom sea water in the eastern part of the ocean rises, causing the sea water in the eastern Pacific Ocean to become colder.
The atmospheric circulation over the Pacific Ocean is called the Volcker circulation, when the Volcker circulation weakens, the sea water cannot blow to the west, and the sea water in the eastern Pacific Ocean warms, which is the El Niño phenomenon; But when the Volcker circulation becomes unusually strong, La Niña occurs. Generally, La Niña occurs with El Niño, and the second year of El Niño occurs, La Niña occurs, and sometimes La Niña lasts for two or three years. Strong La Niña occurred from 1988 to 1989 and 1998 to 2001, and weak La Niña from 1995 to 1996.
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Anonymous users2024-02-09I don't know if you're asking about the number of frontal fissures Niño Niño El Niño, also known as El Niño currents, is a climate phenomenon that occurs when the oceans and atmosphere interact over a large area of the Pacific equatorial belt and become out of balance. Normally, the monsoon currents in the tropical Pacific region move from the Americas to Asia, keeping the Pacific surface warm and bringing tropical rainfall around Indonesia. But this pattern is disrupted every 2 to 7 years, reversing the direction of winds and ocean currents, and the heat flow from the surface of the Pacific Ocean turns eastward towards the Americas, taking with it tropical rainfall and creating the so-called "El Niño".
In a normal year, the west coast of South America is surrounded by a cold silver current, the Peruvian Current. Ocean currents are rich in plankton, resulting in a large number of fish (fish feed on plankton). There is an anticyclone (i.e. an area of high pressure) over the eastern Pacific Ocean, and tropical trade winds blow from east to west in the Pacific Ocean, containing a large amount of water vapour, causing heavy rain in Australia and Indonesia.
Sometimes, however, anticyclones move towards the western Pacific, causing trade winds to blow from west to east and pushing warm currents above the waters to cover the cold Peruvian currents, causing the temperature of the latter to rise sharply3 to 6. This is El Niño. This anomaly, which can last for several months, seriously disrupts the normal climate and jeopardizes the living conditions of the countries along the coast.
For example, in the winter of 1982-1983, anchovian fish from the Pacific Ocean off the coast of Peru fled to the depths of the sea, plunging the country's fishing industry into bankruptcy. Similarly, in 1983, Australia and Indonesia were plagued by drought and sandstorms. Hurricanes hit Polynesia indiscriminately, which is not the case in the archipelago in a normal year.
It was a global weather anomaly.
Scientists believe that the occurrence of El Niño is related to the deterioration of the human natural environment, is the direct result of the increase in the global warming effect, and is related to the fact that human beings take too much from nature and do not pay attention to environmental protection.
If it is really the coldest winter, then growers and breeders will definitely have losses, there is no doubt about this! We should be able to feel that this year's cold air seems to have come relatively early, so everyone has some worries and discussions about whether it will be cold this winter! >>>More
This involves ocean currents, there is a kind of ocean current in the waters around Cuba off the coast of Central and South America in the Pacific Ocean, which is the alternating movement of cold water in Haiti and warm water on the sea surface, because the sea water over there has a periodic movement, that is, when the water temperature of the seabed drops sharply and causes it to rise, it affects the original circulation, which just meets the warm current at the equator. Therefore, this cold water follows the equatorial circulation movement all the way to the east coast of Australia, so it has a serious impact on the local climate, and precipitation is the biggest factor, which is also called the reverse El Niño phenomenon.
El Niño: El Niño, also known as the El Niño Current, is a climate phenomenon caused by the eastward movement of the Walker Circulation after the interaction between the ocean and the atmosphere over a large area of the Pacific Equatorial Belt. Normally, the monsoon currents in the tropical Pacific region move from the Americas to Asia, keeping the Pacific surface warm and bringing tropical rainfall around Indonesia. >>>More
In 2020, it was colder than usual, and the temperature began to drop to about 10 degrees Celsius during the National Day, and it even snowed in some areas in the north. There are rumors on the Internet that there will be the coldest winter in 60 years, and among the many messages, many people have mentioned the "La Niña effect". What does La Niña mean? >>>More
If it is according to the experts, then it will definitely be colder, otherwise it will not be said to be the most in 60 years! The cold air came relatively early, and I saw people wearing cotton jackets on the street, which shows that the overall temperature has dropped significantly, so there is reason to believe that it is still relatively cold! >>>More