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Metal contamination recorded in the sediment of the semi-closed Bakar Bay (Croatia) (CROSBI ID 588747)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Cukrov, Neven ; Frančišković-Bilinski, Stanislav ; Bogner, Danijela Metal contamination recorded in the sediment of the semi-closed Bakar Bay (Croatia) // 9th ISEG - International Symposium of Environmental Geochemistry Book of Abstracts / Eduardo Ferreira da Silva, Amélia Paula Reis, Carla Patinha, Eduarda Pereira, Sonia Rodrigues (ur.). Aveiro: University of Aveiro, the GeoBioTec Research Centre, the Centre for Environmental and Marine Studies, 2012. str. 117-117

Podaci o odgovornosti

Cukrov, Neven ; Frančišković-Bilinski, Stanislav ; Bogner, Danijela

engleski

Metal contamination recorded in the sediment of the semi-closed Bakar Bay (Croatia)

This study presents metal levels in the sediments of the Bakar Bay, with the main goal to evaluate the nowadays anthropogenic influence, as well as such an influence during the last decades. Sediments profiles at 7 sampling points were taken. Chemical contents in bulk sediment were obtained for 55 elements using ICP, ICP-MS and AAS methods. Concentrations of selected elements were evaluated by factor statistical analyses to identify their source. Also, metal enrichment factor and geoaccumulation index were calculated. Spatial distribution maps for three sediment layers were constructed indicating the sources of anthropogenic inputs in the last thirty years. The distribution of contaminants indicated two main anthropogenic sources: the city of Bakar and the bulk cargo terminal. Measured metal concentrations in sediment were compared with concentrations in other sediments from the Adriatic Sea. In addition, set of sediment quality guidelines was also applied in order to predict the probability of adverse biological effects on the benthic community. Results revealed that the risk for benthic organisms is negligible ; the exception is small area in front of the city of Bakar where this risk exists.The factor analysis clearly demonstrate the segregation between metals of natural origin resulted from soil and bedrock weathering (Li, Al, Cr, Sc), and with two anthropogenic source originating from the city of Bakar and bulk cargo terminal (Hg, Pb, Zn, Ag, Sn, Fe). Hg (max 0.65 mg/kg) is found to be the heaviest contaminant, followed by Pb (max 71.5 mg/kg), Cu (89.3 mg/kg) and Zn (156 mg/kg). However, this study show that Bakar Bay is less polluted than general public expected.

Bakar bay; Adriatic; metals; sediments

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Podaci o prilogu

117-117.

2012.

nije evidentirano

objavljeno

978-972-789-365-2

Podaci o matičnoj publikaciji

9th ISEG - International Symposium of Environmental Geochemistry Book of Abstracts

Eduardo Ferreira da Silva, Amélia Paula Reis, Carla Patinha, Eduarda Pereira, Sonia Rodrigues

Aveiro: University of Aveiro, the GeoBioTec Research Centre, the Centre for Environmental and Marine Studies

Podaci o skupu

9th ISEG - International Symposium of Environmental Geochemistry

predavanje

15.07.2012-21.07.2012

Aveiro, Portugal

Povezanost rada

Geologija