Terrain: surface usually covered with sea ice in Labrador Sea, Denmark Strait, and coastal portions of the Baltic Sea from October to June; surface dominated by two large gyres (broad, circular systems of currents), one in the northern Atlantic and another in the southern Atlantic; the ocean floor is dominated by the Mid-Atlantic Ridge, a rugged north-south centerline for the entire Atlantic basin
major surface currents: clockwise North Atlantic Gyre consists of the warm Gulf Stream in the west, the North Atlantic Current in the north, the cold Canary Current in the east, and the North Equatorial Current in the south; the counterclockwise South Atlantic Gyre composed of the warm Brazil Current in the west, the South Atlantic Current in the south, the cold Benguela Current in the east, and the South Equatorial Current in the north
Definition: This entry contains a brief description of the topography.
Source: CIA World Factbook - This page was last updated on January 20, 2018
