Trace Metal Enrichment and Sediment Quality in Coastal-Urban Rivers along the Indian Ocean Coast, Dar Es Salaam, Tanzania
International journal of energy and water resources(2022)
摘要
This study investigated sediments quality in coastal-urban rivers of Dar es Salaam, Tanzania along the Indian Ocean coast, that are strongly influenced by human activities. Sediment samples were seasonally collected from fifteen sites and one control location, treated as appropriate, and analyzed by high-resolution inductively coupled plasma mass spectrometer for Cd, Sn, Pb, Cr, Co, Ni, Cu, Al, Mn, Fe, and Zn. Concentrations ranged from 0.06 (Cd) to 92,479 (Al) mg/kg dry weight. Levels were higher during dry season than wet season. Cd, Sn, Pb, Co, Cr, and Zn were enriched in > 50
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关键词
Trace metals,Sediment quality,Ecological risk,Coastal-urban rivers,Indian Ocean,Tanzania
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