The steep water-temperature gradient between the Gulf Stream and (a) the slope water inshore of the Gulf Stream or (b) the Labrador current. comber

Same as antarctic circumpolar current. wind-driven current

Also called Agulhas stream, a generally southwestward-flowing ocean current of the Indian Ocean; one of the swiftest of ocean currents. Throughout the year, part of the south equatorial current turns [..]

A point on a chart of cotidal lines from which the cotidal lines radiate. amphidromic region

Also called west wind drift, the ocean current with the largest volume transport (approximately 110 x 10[s] m[s]/sec), and the swiftest current; it flows from west to east through all the oceans aroun [..]

Describes the synoptic scale disturbance that grows in mid-latitudes due to baroclinic instability. bathymetric chart

The study of water depths. Benguela current

The liquid remaining after sea water has been concentrated by evaporation until salt has crystallized. blind roller

A nautical term for the strong and rather persistent westerly winds over the oceans in temperate latitudes. They occur between latitudes 40 and 65 in the northern hemisphere and 35 to 65 in the southe [..]

A sea-surface wave which has become too steep to be stable. Waves in shoaling water become higher and shorter (hence steeper) as the water becomes shallower. When the steepness (ratio of wave height t [..]