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首页> 外文期刊>Biological trace element research >Calculation of the ecological risk index in the Jose Antonio Alzate Dam, State of Mexico, Mexico.
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Calculation of the ecological risk index in the Jose Antonio Alzate Dam, State of Mexico, Mexico.

机译:墨西哥墨西哥州何塞·安东尼奥·阿尔扎特大坝生态风险指数的计算。

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摘要

Due to the problem of contamination in the Jose Antonio Alzate dam, located in the State of Mexico, Mexico, the partition coefficient, the contamination degree, and the ecological risk index of nine metals were calculated in order to establish the water quality in different areas of the Alzate dam. The sampling sites were selected according to the river flow into the dam, via three sampling programs, the physical-chemical parameters were measured in situ, and the samples were collected to measure metals in the dissolved phase and also as suspended particulate matter. Thomann's model was used to calculate the partition coefficient. Hakanson's methodology was used to determine the degree of contamination and the ecological risk index. Finally, the water quality criteria for the dissolved metals were calculated. The results for suspended particulate matter suggest a moderate risk of metal contamination in the dam. Copper and lead in dissolved form exceeded the values of water quality criteria.
机译:由于位于墨西哥州的何塞·安东尼奥·阿尔扎特大坝存在污染问题,计算了九种金属的分配系数、污染程度和生态风险指数,以确定阿尔扎特大坝不同地区的水质。根据流入大坝的河流流量,通过三个采样程序选择采样点,原位测量理化参数,收集样品以测量溶解相中的金属以及悬浮颗粒物。采用Thomann模型计算分配系数。Hakanson的方法用于确定污染程度和生态风险指数。最后,计算了溶解金属的水质标准。悬浮颗粒物的结果表明,大坝中金属污染的风险中等。溶解形式的铜和铅超过了水质标准值。

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