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What is La Nina phenomenon?
La Nina is the opposite of El Nino, so El Nino (El Nino? O) The feminine noun La Nina (La Nina? A) stands for El Nino, which means "boy" (definite article refers to boy, meaning young Jesus), and La Nina means "girl". Schematic diagram of La Ni? a phenomenon caused by Volcker circulation El Ni? o phenomenon is the warming of seawater in the central and eastern Pacific Ocean, and La Ni? a phenomenon is the abnormal cooling of seawater in the central and eastern Pacific Ocean. The east wind blows the seawater heated by the sun to the western Pacific Ocean, causing the sea level in the west to rise by nearly 60 cm compared with that in the east. The sea water temperature in the west rises, the air pressure drops, the humid air accumulates to form typhoons and tropical storms, and the bottom sea water in the east flows backward, which makes the sea water in the east Pacific cool. The atmospheric circulation over the Pacific Ocean is called Volcker circulation. When the Volcker circulation weakens, the seawater cannot blow to the west, and the seawater in the eastern Pacific Ocean heats up, which is the El Ni? o phenomenon. But when the Volcker circulation becomes extremely strong, La Nina will happen. La Nina usually follows the El Ni? o phenomenon. La Nina will appear in the second year of El Ni? o, sometimes lasting for two or three years. During 1988-1989, 1998 -200 1 year, a strong La Nina phenomenon occurred, which made the seawater temperature in the eastern and central Pacific Ocean lower 1 ~ 2℃,1999. Some scientists believe that La Nina tends to weaken due to the trend of global warming. The impact of La Nina phenomenon will lead to the increase of typhoons and rainstorms, and also cause global climate anomalies. These effects include extreme drought in the southwestern United States and the west coast of South America, unusually heavy rainfall in Southeast Asia such as Australia, Indonesia, Malaysia and the Philippines, and extremely cold west and southeast coasts in Africa, Japan and the Korean Peninsula. 2008-02-23 2 1:55:20 Supplement: 1988-1989, 1998 -200 1, and in 2007 -2008, there was a strong La Ni. Some scientists believe that La Nina tends to weaken due to the trend of global warming. 1876 -2004 SOI index is used to measure the fluctuation of monthly pressure difference between Tahiti in the Pacific Ocean and Darwin in Australia, and it is called "Southern Oscillation Index" or "Southern Oscillation Index" (SOI). The red line represents monthly fluctuation and the blue line represents annual average fluctuation. If it is a negative peak, it means that the intensity of the Pacific trade wind is weakened, the central and eastern Pacific Ocean is warming, and the rainfall in northern Australia is reduced, leading to the El Ni? o phenomenon.

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La Nina phenomenon is an abnormal cooling of seawater in the central and eastern Pacific Ocean. The east wind blows the seawater heated by the sun to the western Pacific Ocean, causing the sea level in the west to rise by nearly 60 cm compared with that in the east. The sea water temperature in the west rises, the air pressure drops, the humid air accumulates to form typhoons and tropical storms, and the bottom sea water in the east flows backward, which makes the sea water in the east Pacific cool. Impact: La Nina will increase typhoons and rainstorms, and also cause global climate anomalies. These effects include extreme drought in the southwestern United States and the west coast of South America, unusually heavy rainfall in Southeast Asia such as Australia, Indonesia, Malaysia and the Philippines, and extremely cold west and southeast coasts in Africa, Japan and the Korean Peninsula.

Reference:. qid=700608 1204747

La Nina phenomenon (Spanish: La Nina? A), also known as the anti-El Ni? o phenomenon, is the opposite phenomenon to the El Ni? o phenomenon, so the Spanish El Ni? o phenomenon "El Ni? o" (El Ni? O) The feminine noun La Nina (La Nina? A) stands for El Nino, which means "boy" (definite article refers to boy, meaning young Jesus), and La Nina means "girl". Directory [Hidden] 1 Cause 2 Impact 3 Prediction Method 4 See 5 External Link [Edit] Schematic Diagram of La Nina Phenomenon Caused by Volcker Circulation. El Nino phenomenon is the warming of sea water in the central and eastern Pacific Ocean, while La Nina phenomenon is the abnormal cooling of sea water in the central and eastern Pacific Ocean. The east wind blows the seawater heated by the sun to the western Pacific Ocean, causing the sea level in the west to rise by nearly 60 cm compared with that in the east. The sea water temperature in the west rises, the air pressure drops, the humid air accumulates to form typhoons and tropical storms, and the bottom sea water in the east flows backward, which makes the sea water in the east Pacific cool. The atmospheric circulation over the Pacific Ocean is called Volcker circulation. When the Volcker circulation weakens, the seawater cannot blow to the west, and the seawater in the eastern Pacific Ocean heats up, which is the El Ni? o phenomenon. But when the Volcker circulation becomes extremely strong, La Nina will happen. La Nina usually follows the El Ni? o phenomenon. La Nina will appear in the second year of El Ni? o, sometimes lasting for two or three years. 1988-1989, 1998 -200 1 and in 2007 -2008, there was a strong La Nina phenomenon, which made the seawater temperature in the eastern and central Pacific Ocean lower than normal 1 to 2℃ and/kloc-. Some scientists believe that La Nina tends to weaken due to the trend of global warming. [Editor's note] La Nina will cause global climate anomalies. These effects include extreme drought in the southwestern United States and the west coast of South America, unusually heavy rainfall in Southeast Asia such as Australia, Indonesia, Malaysia and the Philippines, and extremely cold west and southeast coasts in Africa, Japan and the Korean Peninsula. In the northwest Pacific, the area affected by tropical cyclones will be south-west than normal. [Editor] Prediction method 1876-2004 SOI index measures the fluctuation of monthly pressure difference between Tahiti in the Pacific Ocean and Darwin in Australia, and is called "Southern Oscillation Index" or "Southern Oscillation Index" (SOI). The red line represents monthly fluctuation and the blue line represents annual average fluctuation. If it is a negative peak, it means that the intensity of the Pacific trade wind is weakened, the central and eastern Pacific Ocean is warming, and the rainfall in northern Australia is reduced, leading to the El Ni? o phenomenon. The positive peak indicates that the trade winds are strengthened, and the temperature in northern Australia is higher and wetter than usual, resulting in La Nina phenomenon. [Editor] See the snowstorm of El Ni? o in China in 2008 [Editor] news topic: El Ni? o and La Nina are taken from zh. *** /w/index? Title =% E6% 8b% 89% E5% B0% BC% E5% A8% 9c% E7% 8e% B0% E8% b1%a1&; Variant=zh-" 1 category: climate change.

Reference: zh. *** /w/index? Title =% E6% 8b% 89% E5% B0% BC% E5% A8% 9c% E7% 8f% be% E8% b1%a1&; Variant =zh-