Changing coastal oceanography of the Black Sea. 1: Northwestern Shelf

This article describes the hydrography of the Northwestern Shelf (NWS), of the Black Sea emphasizing the changes induced by water management in the Dnieper and Dniester river basins. The existing literature and previously unpublished data have been reviewed and synthesized to describe water property...

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Veröffentlicht in:Progress in oceanography 1985-01, Vol.15 (4), p.217-276
1. Verfasser: Tolmazin, D
Format: Artikel
Sprache:eng
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Zusammenfassung:This article describes the hydrography of the Northwestern Shelf (NWS), of the Black Sea emphasizing the changes induced by water management in the Dnieper and Dniester river basins. The existing literature and previously unpublished data have been reviewed and synthesized to describe water property fields and transport mechanisms of the NWS and the Dnieper and Dniester estuaries before the early 1960s, or the so-called precontrol period, when the effect of artificial river flow control upon the coastal waters was insignificant. Owing to a slow summer circulation, the rate of natural purification of the enitre coastal system has been reduced. This coupled with the increased nutrient, organic and pollutant transports, decreased the dissolved-oxygen concentration and led to anoxic events and mass mortalities of marine organisms in the previously productive regions. These effects have primarily plagued the benthic communities along the entire western coast of the NWS since 1973.
ISSN:0079-6611
DOI:10.1016/0079-6611(85)90038-2