CSIR NET June 2016 Q128: Physical Oceanography
The Southern Oscillation Index (SOI) quantifies the atmospheric component of ENSO as the normalized sea-level pressure difference between the eastern tropical Pacific (e.g., Tahiti) and the western Pacific/tropical Indian Ocean region (e.g., Darwin, Australia).
The SOI is classically defined using the pressure seesaw between a station in the eastern tropical Pacific (such as Tahiti) and a station representative of...
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