![]() This type of atmospheric circulation continues until El Niño begins. Secondly, dry cool air descends on the eastern side of the Pacific Ocean. First, we have warm moist air rising in the west. ![]() Then, this causes the air to rise generating clouds and rainfall in a self-feeding cycle. On top of that, there’s less upwelling in the eastern. So, there’s less push of warm surface water to the west. Consequently, there is also less cold upwelling water off the coast of the Americas. As winds weaken, it results in less warm water to the west. In the west part of the Pacific Ocean, the warmer water adds extra heat to the air. Every 3-5 years, El Nio is triggered by a weakening of west-blowing Trade Winds. So in normal conditions, there’s a big temperature difference from east to west in the Pacific Ocean. This process of deep, cold water rising to the surface is called “upwelling”. This causes the thermocline (top-to-bottom ocean temperature gradient) to deepen.īut along the coast of the Americas, cold water from deeper down in the ocean replaces the warm surface water that is transported to the west. Then, warm water pools in the west of the Pacific Ocean. Esl phd essay ghostwriters for hire for school Research papers american on red cross tudor magazine homeworkAdd cc cover letter 1000 word essay on accountability and responsibility, good comparison contrast thesis statement essays in film noir papers american red on Research cross, popular thesis proposal editing service gb. These winds push warm water like a conveyor belt to the coast of Asia and Australia. In normal conditions, Trade Winds blow from east to west. ![]() El Niño takes place in the Pacific Ocean near the equator. ![]()
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