Temporal and Spatial Variation of Water Pollution in Zhegao River of Chao Lake Basin

CHU Yin; ZHU Jiang; XIA Shou-xian; MA You-hua; WANG Li-ting; LI Yang; LI Xiu-chen

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Temporal and Spatial Variation of Water Pollution in Zhegao River of Chao Lake Basin

更新时间：2024-11-07

- Temporal and Spatial Variation of Water Pollution in Zhegao River of Chao Lake Basin
- Vol. 25, Issue 4, (2011)
- 作者机构：
  
  1. 安徽农业大学资源与环境学院
  2. 安徽省水环境监测中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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CHU Yin, ZHU Jiang, XIA Shou-xian, et al. Temporal and Spatial Variation of Water Pollution in Zhegao River of Chao Lake Basin[J]. 2011, 25(4).
DOI：

CHU Yin, ZHU Jiang, XIA Shou-xian, et al. Temporal and Spatial Variation of Water Pollution in Zhegao River of Chao Lake Basin[J]. 2011, 25(4). DOI：

摘要

通过沿河实地调查和在河流出口断面的月取样监测

探讨巢湖典型支流柘皋河水质时空变化特征及污染来源。结果表明:柘皋河上游河段水质较好

属于Ⅱ～Ⅲ类水质

但也达到了富营养化水平

营养盐主要来自附近农田;中部柘皋镇段污染严重

水质属于Ⅴ类和劣Ⅴ类

达到重度富营养化水平

该河段及其下游河段的水生生态系统受到极大影响

污染主要来源为柘皋镇未处理生活污水的直接排放;中下游支流及下游河段水质属于Ⅲ～Ⅴ类

富营养化比较严重

水质既受上游影响

也与下游农业、生活和河道内污染来源有关。柘皋河河口处水质有明显的季节变化特征

硝态氮冬春季高于夏季

而总磷则相反

即夏季高于冬春季。磷是水体富营养化最重要的限制性元素

在夏季普遍达到了富营养化水平。柘皋河污染来源是混合型的

且有累积性特征

应采取综合手段对其污染进行防治

才能逐渐恢复柘皋河生态和环境功能

并减少污染物向巢湖的输送。

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