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The Equatorial Counter Current is an eastward flowing, wind-driven current which extends to depths of 100–150 metres (330–490 ft) in the Atlantic, Indian, and Pacific Oceans. More often called the North Equatorial Countercurrent (NECC) , this current flows west-to-east at about 3-10°N in the Atlantic , Indian Ocean and Pacific basins ...
So, the counter current is called South Equatorial Counter Current (SECC) here. The NEC sits right on the equator, across a longitude from 45°-100°E. The typical speed in the winter can reach up to 50 c m ⋅ s − 1 {\displaystyle 50cm\cdot s^{-1}} , thanks to the northeast seasonal wind from the continent.
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 regions of the northern Indian Ocean; Indonesian Throughflow – Ocean current; Leeuwin Current – Ocean current off Western Australia
It is a powerful current with top velocities of up to 1.5 m/s (2.9 knots; 3.4 mph). The current's core coincides with the thermocline and its distance from the parallel Equatorial Counter Current is approximately 300 kilometres (190 mi; 160 nmi). [3]
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 North Brazil Current (NBC) retroflects north-eastwards and merges into the North Equatorial Counter Current (NECC). [2] The retroflection occurs in a seasonal pattern when there is strong retroflection from late summer to early winter (borreal fall).
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Earth's trade winds and Coriolis force cause the ocean currents in South Pacific Ocean to circulate counterclockwise. The currents act to isolate the center of the gyre from nutrient upwelling, and few nutrients are transported there by the wind (eolian processes) because there is relatively little land in the Southern Hemisphere to supply dust to the prevailing winds.