What does a negative indian ocean dipole indicate
Accordingly, the waters in the eastern Indian Ocean cools down, which tends to cause droughts in adjacent land areas of Indonesia and Australia. Conversely, during a negative IOD period the waters of the tropical eastern Indian Ocean is warmer than water in the tropical western Indian Ocean.he Indian Ocean Dipole (IOD) and the El Nino are independent climatic phenomena but often co-occur. Both IOD and El Nino result in change of global wind patterns.