This is due to interaction of a number of factors, including the hydrodynamics of this semi-closed sea (from which outflow mainly occurs through deep water currents), combined with a lack or deficit of environmentally sound urban waste management and proper and efficient collection systems of much of the waste generated in many of its riparian countries and heavily populated coastal areas.
That left another two million barrels, or about 84 million gallons, which was believed to be trapped in the Gulf's deep water currents, the oil breaking into discrete particles too small to float to the surface.
Your statement that "The Gulf Stream is driven both by the rotation of the Earth and by a deep-water current called the Thermohaline Circulation" is false.
The study, published on 14 May in Geophysical Research Letters1, reveals that a deep-water current known as the Circumpolar Deep Water (CDW) is bigger, warmer and saltier in the winter months than in summer.
So a recent paper suggesting that it was slowing down aroused plenty of interest.The Gulf Stream is driven both by the rotation of the Earth and by a deep-water current called the Thermohaline Circulation.
The deep-water successions contain regional, locally diachronous, submarine unconformities that were generated in response to changes in deep-water current circulation and slope processes, rather than subaerial erosion.
In all these instances, the stratal geometries and facies architecture cannot be attributed to a simple lowering of regional sea-level, but instead reflect a complex interplay of controlling factors including tectonic movements, changes in sediment supply, deep-water current activity and climate, in addition to sea-level.
Mayer says that it may be a sign a significant amount of oil is concentrated in a deep-water layer that is being pushed southwest of the wellhead by a deep-water current.
They also have been used to measure deep-water currents in oceans and snow-water content in watersheds.
The continuations of the canyons down the continental slopes were probably cut and are maintained by deep-water currents containing large amounts of suspended sediment or by sudden avalanche-like movements of loose sedimentary material that collected in the upper parts of the submarine canyons.
