Difference Between El Nino And La Nina Pdf

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difference between el nino and la nina pdf

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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.

What are the differences between El Nino and La Nina?

El Nino and La Nina are caused by the sea-surface temperatures in the tropical part of the Pacific Ocean interacting with the atmosphere.

The cycle of the water temperature changing from warm to cold usually occurs every three to four years. On the eastern side of the Pacific, parts of Australia, New Zealand, the Philippines and Indonesia experience drought conditions. The opposite happens in North and South America where the general climatic conditions are wetter and warmer temperatures.

The large pool of warm water in the Pacific shrinks because the eastbound trade winds strengthen and carry the colder surface water from the east to the west. On the western side of the Pacific, rainfall is generally heavier than normal but on the eastern side, the rainfall is reduced with cooler temperatures. Get local Breaking News alerts sent directly to your inbox.

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What are El Niño and La Niña events?

Why are they so destructive? And why do they matter to humanitarian work? We break it down in this explainer. While focused on a small section of the Pacific near the Equator, these shifts have global ramifications. They influence both temperature and rainfall. During normal weather patterns around the Equator, trade winds carry warm water from the tropical areas of the Pacific Ocean. Moving west, the winds distribute warm water from the Eastern Pacific into the cooler areas of the ocean.


The El Niño – Southern Oscillation (ENSO) is a recurring climate pattern involving changes in the waters in the central and eastern tropical Pacific Ocean and the patterns of sea level The observed difference from the average temperature.


What are El Niño and La Niña?

Both terms refer to large-scale changes in sea-surface temperature across the eastern tropical Pacific. Usually, sea-surface readings off South America's west coast range from the 60s to 70s F, while they exceed 80 degrees F in the "warm pool" located in the central and western Pacific. Sea-surface temperatures along the equator can fall as much as 7 degrees F below normal.

El Nino and La Nina are caused by the sea-surface temperatures in the tropical part of the Pacific Ocean interacting with the atmosphere. The cycle of the water temperature changing from warm to cold usually occurs every three to four years. On the eastern side of the Pacific, parts of Australia, New Zealand, the Philippines and Indonesia experience drought conditions.

So here you go, your first answer.

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The El Nino and La Nina are part of the global climate system which occurs when the Pacific Ocean and the atmosphere above it change from their neutral 'normal' state for several seasons. Difference between El Nino and La Nina. Temperature at Sea Surface: It is warmer than normal sea-surface temperatures. It is a warming of the Pacific Ocean between South America and the International Date Line , centred directly on the Equator, and moves towards several degrees of latitude to either side of the equator. Temperature at Sea Surface: It is cooler than normal sea-surface temperatures. It originated when cooler than usual ocean temperatures occur on the equator between South America and the International Date Line.

They occur when the Pacific Ocean and the atmosphere above it change from their neutral 'normal' state for several seasons. The atmosphere and ocean interact, reinforcing each other and creating a 'feedback loop' which amplifies small changes in the state of the ocean into an ENSO event. When it is clear that the ocean and atmosphere are fully coupled an ENSO event is considered established. Even in a neutral state, temperatures in the Pacific Ocean vary from east to west — for example, the western Pacific 'warm pool' in the tropical Pacific has some of the warmest large-scale ocean temperatures in the world. During an ENSO event, ocean temperatures become warmer than usual or cooler than usual at different locations, which are reflected in ocean temperature gradients. The most important driver of ENSO is these temperature gradients across the Pacific, both at the surface and below the surface, particularly at the thermocline. Peruvian fishermen originally used the term to describe the appearance, around Christmas, of a warm ocean current off the South American coast.

Затем подошла еще одна группа, и жертва окончательно исчезла из поля зрения Халохота. Кипя от злости, тот нырнул в стремительно уплотняющуюся толпу. Он должен настичь Дэвида Беккера.

Беккер нервно посматривал на медсестру. Пожалуй, дело кончится тем, что его выставят на улицу. Клушар продолжал бушевать: - И этот полицейский из вашего города тоже хорош.

Червь Танкадо не нацелен на наш банк данных.  - Он откашлялся.  - Он нацелен на фильтры безопасности. Фонтейн побледнел.

2 Comments

  1. Cathy W. 03.06.2021 at 16:01

    refers to the above-average sea-surface temperatures that periodically develop across the east-central equatorial Pacific. It represents the warm phase of the ENSO cycle.

  2. Nelpdacmumo 06.06.2021 at 08:59

    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 [2].