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Journal of the Union of Scientists - Varna. Maritime Sciences Series

The metals iron and manganese in the surface water along the Bulgarian Black Sea coast

Boryana Dzhurova


The paper examines the dynamics of the common forms of iron and manganese in the surface water of the Bulgarian Black Sea coast. The samples were collected in the period 2012-2014. The seasonal dynamics of both metals was tracked. The results show low iron concentrations in spring and autumn. High concentrations of both metals were observed in Varna and Burgas Bays during the whole study period.


hydrochemistry, iron, manganese, Black Sea coast, Varna Bay, Burgas Bay

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