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The South Atlantic Gyre is the subtropical gyre in the south Atlantic Ocean. In the southern portion of the gyre, northwesterly (or southeastward-flowing) winds drive eastward-flowing currents that are difficult to distinguish from the northern boundary of the Antarctic Circumpolar Current . [ 1 ]
The Indian Ocean Gyre, located in the Indian Ocean, is, like the South Atlantic Gyre, bordered by the Intertropical Convergence Zone in the north and the Antarctic Circumpolar Current to the south. The South Equatorial Current forms the northern boundary of the Indian Ocean Gyre as it flows west along the equator towards the east coast of Africa.
Benguela Current in the South Atlantic Gyre. The Benguela Current / b ɛ ŋ ˈ ɡ ɛ l ə / is the broad, northward flowing ocean current that forms the eastern portion of the South Atlantic Ocean gyre. The current extends from roughly Cape Point in the south, to the position of the Angola-Benguela Front in the north, at around 16°S. The ...
The total transport can be from 70 to 80 Sv by 36˚S with half of it being in the recirculation gyre. [3] The Brazil Current is a part of the South Atlantic subtropical gyre. The southern side of the gyre consists of the eastward-flowing South Atlantic Current (SAC). The eastern boundary is the Benguela Current System (BCS).
Benguela Current – Ocean current in the South Atlantic; Brazil Current – Warm current that flows south along the Brazilian south coast to the mouth of the Río de la Plata; Canary Current – Wind-driven surface current that is part of the North Atlantic Gyre; Cape Horn Current – Cold water current that flows west-to-east around Cape Horn
The North Atlantic garbage patch is a garbage patch of man-made marine debris found floating within the North Atlantic Gyre, originally documented in 1972. [34] A 22-year research study conducted by the Sea Education Association estimates the patch to be hundreds of kilometers across, with a density of more than 200,000 pieces of debris per ...
The South Atlantic Gyre. The Guinea Current is a slow warm water current that flows to the east along the Guinea coast of West Africa. It has some similarity to the Equatorial Counter Current in the Indian and Pacific Oceans. [1]
Since Indian Ocean water is significantly warmer (24-26 °C) and saltier than South Atlantic water, the Agulhas Leakage is a significant source of salt and heat for the South Atlantic Gyre. This heat flux is believed to contribute to the high rate of evaporation in the South Atlantic, a key mechanism in the Meridional Overturning Circulation.