Phoenix saw yesterday narrated the The term was first used by navigators in the South Pacific, from north to south of a warm ocean current. It normally appears later Christmas, while it occurs, so that the original low water temperatures rise. Every few years, this the strength of ocean currents stronger than a normal year, it can be stretched to the very distant south of the sea. Later it was found that this anomaly is not confined to the warm waters of the coast of South America, but extending westward along the equator (about latitude 4 degrees to 4 degrees south latitude, 150 degrees west longitude to 90 degrees) range of numerous thousands of kilometers, and this is accompanied by universal climate anomalies. Therefore, today's El Nino events are now refers to the continuous more than half of the coverage of the equatorial eastern Pacific sea temperature anomaly phenomenon.
important El Nino event is the largest in the equatorial east Pacific anomaly among the upper ocean warming phenomenon. It appears there is a close relationship with the sea: the native,shanghai massage, Pacific sea surface is not perfectly class. In the southern hemisphere of the Pacific, due to the mighty northwest winds swept across the southeast letter, also from the southeast to west ambition move water, resulting in Australia than in South America near the ocean sea surface by about 50 cm. At the same time,shenzhen escort, South America and by the ocean bottom in the cold water stop on the turn, so that the upper eastern equatorial Pacific sea temperatures many lower than in the western Pacific. El Nino occurs, this normal propagation ambition be broken. has all been a strong southeast trade winds gradually weakened and may even reverse to the west. The cold water on the Pacific coast of the East turned the momentum will weaken or evaporate completely. So the upper eastern Pacific sea temperatures have additional quickly, and behind eastern. This ascend in shares of the El Niño led to Eastern Pacific sea surface than normal sea-level rise two or three centimeters, the temperature will amplify 2 ~ 5? C.
attention apt El Niño premier government department in South America countries, aquaculture sector. for the South American coast-rich chilly water aboard the rotate including nutrients, namely the world notable fishing grounds. When the El Nino phenomenon, with the South American beach of the ocean bottom on the cold water to stop turning on the corner alternatively less,made 44 copies of the questionnaire ., to bring water from the lower fish and additional navy life nutrients greatly diluted, namely not favorable to The seaman life. So in El Nino years, the national aquaculture sector in Peru anchovy grabs merely about 30% of natural annual, alternatively even less. As the keen decline in fish stocks that depend on the survival of fish and additional maritime life such for seabirds large digit of deaths and crocodiles likewise chance the straight victims of El Nino accidents.
Although El Nino phenomenon in the ocean, yet it has a big regional impact of the air. In normal years, due to the upper eastern equatorial Pacific, cheap water temperature atmosphere preponderating downdraft, accordingly production the coastal zones of South America into the sterile abandon. El Nino happened in marine and wonderful change, changes in land even extra prodigious. downdraft in the air into a rising air, lukewarm sea water to cater a large number of water vapor, soil is soaked with heavy rain, the desert has become one oasis, in a few weeks in some districts may be covered with rich lea,shanghai escort, the flock tin be increased exponentially,shanghai escort, and cotton can not grow in other years where long plants.
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