Open AccessThe Role of Eddy-Tansport in the Thermohaline Circulation
Author(s) -
Paola Cessi
Publication year - 2011
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/1029393
Subject(s) - thermohaline circulation , thermocline , circumpolar star , stratification (seeds) , shutdown of thermohaline circulation , oceanography , eddy , geology , climatology , north atlantic deep water , circulation (fluid dynamics) , ocean current , buoyancy , circumpolar deep water , physical oceanography , geography , meteorology , turbulence , mechanics , physics , seed dormancy , botany , germination , dormancy , biology
Several research themes were developed during the course of this project. (1) Low-frequency oceanic varibility; (2) The role of eddies in the Antarctic Circumpolar Current (ACC) region; (3) Deep stratification and the overturning circulation. The key findings were as follows: (1) The stratification below the main thermocline (at about 500m) is determined in the circumpolar region and then communicated to the enclosed portions of the oceans through the overturning circulation. (2) An Atlantic pole-to-pole overturning circulation can be maintained with very small interior mixing as long as surface buoyancy values are shared between the northern North Atlantic and the ACC region
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