白塔堡河水体DOM分布特征及来源

颜秉斐; 彭剑峰; 邓齐玉; 李丹; 刘雪瑜; 李洁

doi:10.12153/j.issn.1674-991X.2019.02.190

白塔堡河水体DOM分布特征及来源

doi: 10.12153/j.issn.1674-991X.2019.02.190

^1. 中国环境科学研究院城市水环境研究室,北京 100012
^2. 清华大学环境学院,北京 100084

详细信息

作者简介:
颜秉斐(1989—),女,硕士,主要从事水环境处理技术研究, ybf201506@163.com

通讯作者:
刘雪瑜 E-mail: liuxueyu@craes.org.cn

中图分类号: X524
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- 被引次数: 0
出版历程
- 收稿日期: 2018-11-13
- 刊出日期: 2019-05-20

DOM distribution characteristics and source analysis of Baitabu River

^1. Department of Urban Water Environmental Research, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
^2. School of Environment, Tsinghua University, Beijing 100084, China

More Information

Corresponding author: Xueyu LIU E-mail: liuxueyu@craes.org.cn

摘要

摘要: 利用三维荧光光谱法和Pearson相关性分析,研究了典型东北城镇型河流——白塔堡河水体溶解性有机物(DOM)的污染特征,并解析了其来源。结果表明:白塔堡河水体DOM的荧光峰类型主要有紫外区类富里酸峰(A峰)、可见区类富里酸峰(C峰)、类蛋白峰(B峰)和类蛋白峰(T峰);水体DOM主要组分及其浓度顺序为蛋白类物质>溶解性微生物代谢产物>富里酸类物质>腐殖酸类物质,水体DOM浓度空间分布表现为中下游>上游;水体DOM来源表现为内源和外源的双重特性,其中内源污染不容忽视;水体DOM各组分浓度与氨氮(NH₃-N)和总磷(TP)浓度呈显著正相关,与溶解氧(DO)浓度呈负相关。
- 白塔堡河 /
- 三维荧光光谱 /
- 溶解性有机物 /
- 污染 /
- 来源
Abstract: The methods of three-dimensional fluorescence spectroscopy and Pearson correlation analysis were applied to determine the pollution characteristics and origins of DOM in a typical urbanized river, Baitabu River in northeastern China. The results indicated that fluorescence peak types of the river included UV fulvic-like peak (A peak), visible fulvic-like peak (C peak), protein-like peak (B peak) and protein-like peak (T peak). The major components order of DOM was protein-like>soluble microbial byproduct-like>fulvic-like>humic-like. The relative content of spatial distribution of DOM showed middle and lower reaches>upper reaches. The source of DOM in Baitabu River showed double characteristics of land-sourced materials and microbial degradation, and the internal pollution caused by microbial degradation could not be ignored. According to Pearson correlation analysis, the DOM concentration was correlation with NH₃-N and TP concentration which showed a significant positive relationship, but was significantly negative correlation with dissolved oxygen concentration.
- Baitabu River /
- three-dimensional fluorescence spectrum /
- dissolved organic matter /
- contamination /
- source

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