It is a warming of the central to eastern tropical Pacific Ocean. Yes, the last episode began just two years ago, in They both tend to develop during the spring March-June , reach peak intensity during the late autumn or winter November-February , and then weaken during the spring or early summer March-June. In turn, changes in the atmosphere impact the ocean temperatures and currents. Further research will help separate the natural climate variability from any trends due to human activities.
¿Qué es un Niño Rata? 10 claves para identificarlos
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It is also used to describe an anomaly in the flow of ocean waters along the west coast of South America, which can occur around Christmas time. This anomaly is the result of the nutrient-rich cold water of the coastal Humboldt Current being replaced by eastward-flowing warm ocean water which is nutrient poor from the equatorial Pacific. The variation in pressure is accompanied in surrounding areas by fluctuations in wind strengths, ocean currents, sea surface temperatures and precipitation. Whether or not this apparent increase is related to global warming has not yet been established. In addition, high wind events such as tornadoes may increase in frequency or intensity. These effects can occur at long distances from the ENSO phenomenon and tend to be more dramatic in particular areas. These disasters may cause direct injuries and deaths, destroy crops and property, lead to famine and interrupt development.
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For centuries, Peruvian fishermen have known that the usually cold and nutrient rich waters from time to time become exceptionally warm, accompanied by collapsing fish stocks. At the same time, torrential rain and flooding of the rivers of the Andes occur. Changes in the ocean impact the atmosphere and climate patterns around the globe, which in turn, impact the ocean temperatures and currents.
The ENSO cycle is the way scientists describe the fluctuations in temperature between the atmosphere and the ocean in the east-central Equatorial Pacific. According to Wikipedia ,. However, because it can typically be noticed by meteorologists, people in the countries affected by it can take measures in order to curb some of the impacts.