Distribution of Dissolved and Labile Particulate Trace Metals in the Overlying Bottom Water in the Vistula River Plume (Southern Baltic Sea)

摘要

Overlying bottom water samples were collected in the Vistual River plume, southern Baltic Sea, (Poland) and Analysed for dissolved and labile particulate (1 M HCI Extractable)Cu, Pb, Zn, Mn, Fe and Ni, hydrological Parametes being measured simultaneously. Particulate Organic matter (POM), chlorophyll α and dissolved oxy- Gen are key factors governing the chemical behaviour of The measured metal fractions. For the dissolved Cu, Pb, Zn, Fe and Ni two maxima, in the shallow and in the Deeper part of the river plume, were found. In the shallow Zone desorption from seaward fluxing metal-rich riverine Particles account of markedly increased metal concen- Trations, as confirmed also by high particulate metal Contents.