首页> 外文期刊>Continental Shelf Research: A Companion Journal to Deep-Sea Research and Progress in Oceanography >Spatial distribution of dissolved cadmium in the Jiulong river-estuary system: Relevance of anthropogenic perturbation
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Spatial distribution of dissolved cadmium in the Jiulong river-estuary system: Relevance of anthropogenic perturbation

机译:九龙河口系统中溶解镉的空间分布:人为扰动的相关性

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摘要

This study first examined the spatial distribution of dissolved cadmium (Cd) along with other hydrochemical parameters in a large subtropical river estuary system (the Jiulong River-Estuary, China) between 2008 and 2010, aiming to evaluate the impacts of the recently increasing anthropogenic perturbation in natural waters. The results showed that dissolved Cd was variable in the watershed with sporadically high concentrations (> 0.6 nmol L-1). The significantly positive correlation of dissolved Cd with phosphate in the watershed (May 2008: dissolved Cd = 0.22*P + 0.0062, r = 0.64, p < 0.05) indicated that dissolved Cd levels have been elevated along with P by the increasing agricultural discharges and/or sewage effluents.
机译:这项研究首先研究了2008年至2010年之间在大型亚热带河口系统(中国九龙江口)中溶解镉(Cd)的空间分布以及其他水化学参数,旨在评估最近人为扰动增加的影响在天然水域中。结果表明,在零星高浓度(> 0.6 nmol L-1)的流域中,溶解的Cd是可变的。流域中溶解的Cd与磷酸盐的显着正相关(2008年5月:溶解的Cd = 0.22 * P + 0.0062,r = 0.64,p <0.05)表明,随着农业排放量的增加,溶解的Cd水平与P一起升高。 /或污水。

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