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Fate of Heavy Metals and Evaluation of Eutrophication in a Wetland–Reservoir System
Author(s) -
Yang ChouPing,
Hsieh ChiYing,
Hseu ZengYei
Publication year - 2014
Publication title -
water environment research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.356
H-Index - 73
eISSN - 1554-7531
pISSN - 1061-4303
DOI - 10.2175/106143013x13807328849611
Subject(s) - eutrophication , wetland , environmental science , sediment , hydrology (agriculture) , environmental chemistry , water column , watershed , phosphorus , water quality , bioconcentration , water pollution , environmental engineering , chemistry , ecology , nutrient , geology , bioaccumulation , paleontology , geotechnical engineering , organic chemistry , machine learning , computer science , biology
The fate of heavy metals (Cd, Cr, Cu, Ni, Pb, and Zn) in the water column, sediment, and macrophytic plants as well as a total phosphorus eutrophication model were evaluated by a field monitoring program in the LungLuanTan wetland–reservoir system in Taiwan. Zinc and Cd were found to have the highest and lowest partition coefficients, respectively. The levels of heavy metals in the sediment of the wetland were highest in the dry season. In fresh plant tissues and sediment, Cd had the highest bioconcentration factor during the study period. Furthermore, the results obtained using the total phosphorus model with time‐variable volumes for reservoir eutrophication and observed values were in reasonable agreement. Based on the modeling results, appropriate watershed management strategies are proposed to restore the wetland–reservoir water quality.