Accumulation and risk assessment of sedimentary trace metals in response to industrialization from the tributaries of Fuyang River System
作者： Wenzhong Tang , Hong Zhang , Baoqing Shan , Shanshan Li
DOI: 10.1007/S12665-014-3545-6
关键词:
摘要: Three tributaries of the Fuyang River System, North China (Shaocun River-SR, Wangyang River-WR and Xiao River-XR), were selected for a case study evaluating effect industrialization on accumulation sedimentary trace metals (Cd, Cr, Cu, Ni, Pb Zn), as well potential ecological risk (PER). This showed that different pollution sources resulted in varying metal characteristics caused tremendously high contents. SR had mean Cr (1,588 mg/kg) Zn (958 contents due to tannery wastewater discharge, while (493 (481 observed sediments from WR which received pharmaceutical wastewater, (822 (695 attributed domestic sewage, industrial effluent XR. The highest content Cd (6.69 was XR, WR. Enrichment factors indicated enriched largely fast watershed, with average values 47.8, 37.0 17.6, respectively. calculation comprehensive PER indices revealed there serious XR contents, whereas moderate existed low SR. Hence, resulting regional should be taken into consideration seriously respect aquatic ecosystem biodiversity ambient quality.
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