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Glomar

PI: Sabine Hüttl
Institution: University of Bremen
Abstract:
My special interest is on the reaction of the shallow layer circulation (STC) in the tropics and its response to changes of the MOC. From earlier studies in this field by, for instance Fratantoni (2000, JGR), there are clear indications that in the case of a MOC breakdown there are major changes in the thermohaline structure in the equatorial Atlantic. This affects mainly the tropical upwelling regions which tend to disappear in the case of an MOC breakdown. However, the study builds on a simple regional ocean model and it remains unclear to what extent such heavy changes occur in more complex models.

As reported by the TAR and established the recent FAR the MOC reduces during the 21st century in the mean by about 25%. I want to use the CMIP3 Data to investigate the resulting changes in the tropical Atlantic ocean in the different ocean models and climate change scenarios.
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