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Greenland Plain : ウィキペディア英語版 | Greenland Plain
The Greenland Abyssal Plain at is a bathymetric depression in the Greenland Sea. It is delimited by Mohns Ridge and Jan Mayen pressure zone in the South and separated by a smaller ridge to the Boreas Abyssal Plain in the North. ==Oceanography== In 1988/89 ocean acoustic tomography was performed there to study the Greenland Sea gyre and deep water formation. Deep water formation simply means surface water being transported downwards into the ocean, this is important to drive the global ocean currents by thermohaline circulation. The study showed that the mixed layer at the surface forms in autumn. During winter, the region is covered by sea ice. In early spring when the sea ice vanishes, the layer gets thicker (up to 1.5 km). When the Polar day starts in late March the seasonal cycle starts again with another shallow mixed layer.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Greenland Plain」の詳細全文を読む
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