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The seasonally reversing open ocean currents that pass south of India are referred to as the Winter Monsoon Current and the Summer Monsoon Current (alternately, the Northeast Monsoon Current and the Southwest Monsoon Current). [1] The cold Somali Current, which is strongly linked to the Indian monsoon, is also discussed in this article.
The Indian Ocean gyre is composed of two major currents: the South Equatorial Current, and the West Australian Current. Normally moving counter-clockwise, in the winter the Indian Ocean gyre reverses direction due to the seasonal winds of the South Asian Monsoon. In the summer, the land is warmer than the ocean, so surface winds blow from the ...
The Somali Current is a cold ocean boundary current that runs along the coast of Somalia and Oman in the Western Indian Ocean and is analogous to the Gulf Stream in the Atlantic Ocean. [1] This current is heavily influenced by the monsoons and is the only major upwelling system that occurs on a western boundary of an ocean. The water that is ...
IOD develops in the equatorial region of the Indian Ocean from April to May and peaks in October. [28] With a positive IOD, winds over the Indian Ocean blow from east to west. This makes the Arabian Sea (the western Indian Ocean near the African coast) much warmer and the eastern Indian Ocean around Indonesia colder and drier. [28]
That continent also drives the Indian Ocean monsoon, the strongest on Earth, which causes large-scale seasonal variations in ocean currents, including the reversal of the Somali Current and Indian Monsoon Current. Because of the Indian Ocean Walker circulation there are no continuous equatorial easterlies.
The Asian monsoon and Indian Ocean monsoon are known for bringing intense rainfall after an extended dry period. Goa, a state in southwestern India, is generally rainless from January through March.
The Research Moored Array for African-Asian-Australian Monsoon Analysis and Prediction (RAMA) is a system of moored observation buoys in the Indian Ocean that collects meteorological and oceanographic data. The data collected by RAMA will greatly enhance the ability of scientists to understand climatic events and predict monsoon events.
Agulhas Return Current – Ocean current in the southern Indian Ocean; East Madagascar Current – Oceanic flow feature near Madagascar; Equatorial Counter Current – Shallow eastward flowing current found in the Atlantic, Indian, and Pacific Oceans; Indian Monsoon Current – Seasonally-varying ocean current regime found in the tropical ...