The Black Sea is semi-enclosed estuarine type basin. The seasonal position of the Danube CoastalCurrent (DCC) depends on the seasonal variations of the Danube and Dnepr discharges, wind forcingand the deep-sea forcing: anticyclonic eddies at the shelf break or the Rim Current meanders. We haveshown that under the similar freshwater discharge and the wind forcing the DCC alongshelfpropagation occurs in two different ways. In one case, it has been advected by the cyclonic meander ofthe Rim Current in downstream direction so that its leading edge has reached the Turkish shelf at310E . In second case, DCC system has been blocked by intensive anticyclonic eddy in SW part ofthe Black Sea. Concurrently, other anticyclone on the NW shelf interacted with DCC and advectedsignificant amount of buoyant water to the central part of NW shelf, and in some cases further offshorefrom the shelf break. These processes are identified by in-situ data, and composition of NOAAAVHRR SST and SeaWiFS images and TopexPoseidon sea level anomalies. The influence ofupwelling on the DCC propagation is also discussed. We focused on the result of observational studyof coastal buoyant-driven current system and their interaction with the meandering Rim current andanticyclonic eddies at the shelf break. We have illustrated how this interaction and exchange throughthe shelf break display on the AVHRR and SeaWiFS imagery and TP-ERS sea level anomaly maps.The results are accompanied by a computer animation presentation.
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