中国黄河三角洲河流-河口-海洋连续系统中的重金属:空间模式、潜在来源和影响因素。

IF 5.3 3区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES
Jie Li , Wanting Wang , Xinlei Li , Sen Liu , Xuming Xu , Yinglan A. , Shilong Ren
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引用次数: 0

摘要

本研究调查了黄河三角洲(YRD)连续上游河-河口-海系统的重金属污染情况。显著的季节差异(p 3-)和总磷浓度是沉积物的主要影响因素,二者与所有重金属均呈正相关。此外,根据长三角地区的生态风险和潜在生态风险指数值,沉积物的生态风险较低。这项研究将有助于有效控制和管理河流-河口-海洋连续系统中的重金属污染。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Heavy metals in the continuous river−estuary−sea system of the Yellow River Delta, China: Spatial patterns, potential sources, and influencing factors

Heavy metals in the continuous river−estuary−sea system of the Yellow River Delta, China: Spatial patterns, potential sources, and influencing factors
Present study investigated heavy metal pollution in the continuous upper river−estuary−sea systems of the Yellow River Delta (YRD). Significant seasonal differences (p < 0.05) for the heavy metal overall profile were observed, although there were no significant spatial variations among the different water bodies. Positive matrix factorization indicated that heavy metals primarily originated from anthropogenic activities (e.g., oil field development, mining, and agricultural activities). Chemical oxygen demand, water temperature, electrical conductivity, dissolved oxygen, pH, and salinity influenced the distribution of heavy metals in water. The NO3 and total phosphorus concentrations were the main influencing factors in sediment, with both showing positive correlations with all heavy metals. Furthermore, low ecological risks were observed for sediment based on the values of the ecological risk and potential ecological risk indexes in the YRD. This study will assist with the effective control and management of heavy metal pollution in a continuous river−estuary−sea system.
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来源期刊
Marine pollution bulletin
Marine pollution bulletin 环境科学-海洋与淡水生物学
CiteScore
10.20
自引率
15.50%
发文量
1077
审稿时长
68 days
期刊介绍: Marine Pollution Bulletin is concerned with the rational use of maritime and marine resources in estuaries, the seas and oceans, as well as with documenting marine pollution and introducing new forms of measurement and analysis. A wide range of topics are discussed as news, comment, reviews and research reports, not only on effluent disposal and pollution control, but also on the management, economic aspects and protection of the marine environment in general.
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