in collaboration with IAEA-MEL (Marine Environment Laboratories, Monte Carlo)
30 April 2007 at 09:00
11 May 2007
Trieste - Italy
AGH (Kastler Lecture Hall)
Directors: M. Gacic, P.-M. Poulain; ICTP Local Organizer: J. Kroeger.
There is a northward transport of heat throughout the North Atlantic, reaching a maximum (25% of the global heat flux) around 24.5°N. The heat transport is a balance of the northward flux of a warm Gulf Stream, and a southward flux of cooler thermocline and cold North Atlantic Deep Water that is known as the meridional overturning circulation (MOC). As a consequence of the MOC northwest Europe enjoys a mild climate for its latitude: however abrupt rearrangement of the Atlantic Circulation has been shown in climate models and in paleoclimate records to be responsible for a cooling of European climate of about 5-10°C. Similar heat flux pattern is evidenced in the Pacific as well as in the Indian oceans. The overturning circulation represents an important mechanism in redistributing heat in Mediterranean seas as well. There is a strong interaction between the global climate and the world ocean overturning circulation. It determines the ventilation of deep ocean layers as well as ecosystem functioning. On the other hand, overturning circulation in Mediterranean seas is directly influenced by a local climate variability which on its turn depends on the world climate. The aim of the proposed oceanography course is to address various aspects of the world ocean and Mediterranean seas overturning circulation including its influence on the world climate and ocean ecosystem functioning. The course will last for two weeks and will be open to graduate students of all over the world, while it will be mandatory for the Ph.D. students in Environmental Fluid Dynamics. About ten renowned scientists will be invited as lecturers for the course.
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