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Heavy Metals in Sediments of Urban Streams: Contamination and Health Risk Assessment of Influencing Factors
Abstrakt
Sediments of two urban streams in northern Poland outflowing to the Baltic Sea were assessed to explain the spatial variation in relation to urbanization level of the catchment, the role of retention tanks (RTs) and identification of pollution level. During the 3 month period of investigation sediment samples were collected from the inflow (IN) and outflow (OUT) of six RTs located on streams for flood protection. Six heavy metals (HMs) were investigated: Cu, Pb, Zn, Cd, Ni, Cr. The assessment of four geochemical enrichment indices used to quantify contamination of HMs in the sediments at IN and OUT samples was carried out. Contamination factor (CF), pollution load index (PLI), geoaccumulation index (Igeo) and potential ecological risk (RI) were calculated and the indices usefulness was assessed. Also, the hazard quotient (HQ) was calculated to assess health risk associated with dredging works. In sediments from RTs where paved surfaces constituted more than 70% of the catchment the HMs concentrations were from one to three times higher for Ni and from two to 143 times higher for Cu in comparison to soft catchment results. The extremely high Cu concentration (1114 mg/kg d.w.) found in sediments at RT Orłowska IN was most likely associated with large area of roofs covered with copper sheet. Calculation of CF, PLI, Igeo, RI, HQ indicators allows for a complex and multi-dimensional assessment of sediment status. Among these, CF and PLI classified the analyzed sediments as most polluted. Basing on the sedimentary HMs concentrations the health risk level via dermal exposure pathway was assessed as low.
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Autorzy (5)
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Jolanta Walkusz-miotk mgr inż.
- Instytut Oceanologii PAN Sopot Pracownia Geotoksykologii Morza
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Ksenia Pazdro dr hab.
- Instytut Oceanologii PAN Sopot Pracownia Geotoksykologii Morza
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- Wersja publikacji
- Accepted albo Published Version
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
-
Sustainability
nr 11,
wydanie 3,
strony 1 - 14,
ISSN: - Język:
- angielski
- Rok wydania:
- 2019
- Opis bibliograficzny:
- Wojciechowska E., Nawrot N., Walkusz-Miotk J., Matej-Łukowicz K., Pazdro K.: Heavy Metals in Sediments of Urban Streams: Contamination and Health Risk Assessment of Influencing Factors// Sustainability. -Vol. 11, iss. 3 (2019), s.1-14
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/su11030563
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 197 razy
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