CLIMATE OF INDIA
EL NINO AND SOUTHERN OSCILLATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In an El Nino event in Australia the SOI is strongly ____ and the air pressure in Darwin is ____ that in Tahiti
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Positive, Higher
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Negative, Higher
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Positive, Lower
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Negative, Lower
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Explanation:
Detailed explanation-1: -The El Niño Southern Oscillation, or ENSO, has a big influence on Victorian climate over winter and spring. The Pacific Ocean trade winds blow from an easterly direction, pushing moist air towards Australia. This moist tropical air is a big source of rain across eastern Australia, including Victoria.
Detailed explanation-2: -During El Niño conditions, the average air pressure is higher in Darwin than in Tahiti. Therefore, the change in air pressures in the South Pacific and water temperature in the East Pacific ocean, 8000 miles away, are related.
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