The Indian Ocean has its own seesaw behavior, the Indian Ocean Dipole.
During a so-called positive phase, warmer-than-usual water temperatures
in the western Indian Ocean bring heavy rains to East Africa and India
and colder-than-usual waters bring drought to Southeast Asia. In the
negative phase, ocean and monsoonal conditions reverse.
(Illustration by E. Paul Oberlander, Woods Hole Oceanographic Institution)[back]
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