Geography • Physical GeographyMedium
In climatology, which atmospheric phenomenon is characterized by the reversal of pressure patterns between the eastern and western tropical Pacific Ocean?
A. Southern Oscillation✓ Correct Answer
B. Madden-Julian Oscillation
C. North Atlantic Oscillation
D. Indian Ocean Dipole
💡 Solution & Explanation
The Southern Oscillation describes the large-scale atmospheric pressure fluctuation between the eastern tropical Pacific near Tahiti and the western tropical Pacific near Darwin, Australia. Alternate phenomena like the Madden-Julian Oscillation involve tropical rain pulse propagation rather than Pacific pressure reversals. This atmospheric seesaw operates in tandem with oceanic El Nino episodes to govern global climate variability.
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