Concentrations of some elements in the coastal sea sediments: Bays with marinas |
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Authors: | J Obho?a? A Kutle V Valkovi? |
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Institution: | (1) Institute Ruđer Bošković, Bijenička c.54, Zagreb, Croatia;(2) NGO “Lijepa naša”, Palmotićeva 17a, Zagreb, Croatia;(3) A.&C.T., Prilesje 4, Zagreb, Croatia |
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Abstract: | Summary Surface sediments and sediment cores from two bays in the Adriatic sea (Punat Bay and Soline Bay, Croatia) have been analyzed
for a number of elements, in particular: Ti, V, Mn, Fe, Cu, Zn, As and Pb, by using XRF. Maps of elemental distribution in
surface sediments show increased concentrations for some elements present in antifouling paints (Cu, Zn, Pb) near the service
areas in the villages or marinas. Core profiles for these elements were used to evaluate the environmental impact of newly
constructed marinas. Source partition indicates the influence of other sources located in near by villages. The critical factor
in these considerations was shown to be water exchange with the open sea. |
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