El Nino La Nina Definition
In the pacific ocean near the equator temperatures in the surface ocean are normally very warm in the western pacific and cool in the eastern pacific 2this helps to generate heavy rains over southeastern asia and northern australia and.

El nino la nina definition. El nino et son pendant la nina sont des phenomenes oceaniques a grande echelle du pacifique equatorial affectant le regime des vents la temperature de la mer et les precipitations. El nino est un phenomene climatique dont lorigine est assez mal connue. The terms el nino and la nina refer to periodic changes in pacific ocean sea surface temperatures 1 that have impacts on weather all over the globe. El nino et la nina correspondent aux deux phases opposees du phenomene couple oceanatmosphere appele enso el nino southern oscillation.
La nina is the positive and cold phase of the el ninosouthern oscillation and is associated with cooler than average sea surface temperatures in the central and eastern tropical pacific ocean. El nino and la nina are opposite phases of what is known as the el nino southern oscillation enso cyclethe enso cycle is a scientific term that describes the fluctuations in temperature between the ocean and atmosphere in the east central equatorial pacific approximately between the international date line and 120 degrees west. La nina conditions recur every 3 to 7 years and typically last from 9 to 12. This is mostly a result of the way in which they began to have a more noticeable and significant impact on the weather and climate patterns.
The names el nino and la nina werent always that well known and in meteorological terms only started to gain fame and become topics of discussion in recent years. La nina est un phenomene climatique. El nino l n i n. However each country and island nation has a different threshold for what constitutes a la nina event which is tailored to their specific interests.
Il est assez mal connu mais dans lensemble il se traduit par une diminution de la temperature a la surface des eaux de lest de locean pacifique. Is the warm phase of the el ninosouthern oscillation enso and is associated with a band of warm ocean water that develops in the central and east central equatorial pacific between approximately the international date line and 1200w including the area off the pacific coast of south americathe enso is the cycle of warm and cold sea.

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