Oxygen and nutrient fluxes through the Straits of the Cretan Arc (March 1994–January 1995)

The Straits of the Cretan Arc are the gateways through which water exchanges between the Cretan Sea and the SE Ionian and NW Levantine Seas. Dissolved oxygen and nutrient fluxes have been quantified for the major straits--Antikithira, Kassos and Karpathos--by combining chemical bottle-sample data an...

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Bibliographic Details
Published in:Progress in oceanography 1999-01, Vol.44 (4), p.601-624
Main Authors: Krasakopoulou, E, Souvermezoglou, E, Pavlidou, A, Kontoyiannis, H
Format: Article
Language:English
Subjects:
Marine
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Summary:The Straits of the Cretan Arc are the gateways through which water exchanges between the Cretan Sea and the SE Ionian and NW Levantine Seas. Dissolved oxygen and nutrient fluxes have been quantified for the major straits--Antikithira, Kassos and Karpathos--by combining chemical bottle-sample data and current measurements obtained during the PELAGOS Project during 1994--1995. Two water masses, Cretan Deep Water (CDW) and Transitional Mediterranean Water (TMW) dominate the circulation through the straits and lead to a vertical redistribution of nutrients in the Eastern Mediterranean Sea. The transport of chemicals through the major straits of the Cretan Arc appears to be highly variable. In the Antikithira and Kassos Straits, a net export of oxygen and nutrients from the Cretan Sea towards the open waters of the Eastern Mediterranean was observed throughout the entire study period. In contrast, a net inflow of oxygen and nutrients of Levantine origin was taking place through the Karpathos Strait. It is concluded that the export of nutrients through the Antikithira and Kassos Straits are almost completely balanced by the net import through the Karpathos Strait.
ISSN:0079-6611
DOI:10.1016/S0079-6611(99)00047-6