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白塔堡河底泥DOM组成结构的荧光光谱与多元统计模型表征

刘东萍 高红杰 崔兵 于会彬 杨芳

刘东萍, 高红杰, 崔兵, 于会彬, 杨芳. 白塔堡河底泥DOM组成结构的荧光光谱与多元统计模型表征[J]. 环境工程技术学报, 2021, 11(2): 249-257. doi: 10.12153/j.issn.1674-991X.20200204
引用本文: 刘东萍, 高红杰, 崔兵, 于会彬, 杨芳. 白塔堡河底泥DOM组成结构的荧光光谱与多元统计模型表征[J]. 环境工程技术学报, 2021, 11(2): 249-257. doi: 10.12153/j.issn.1674-991X.20200204
LIU Dongping, GAO Hongjie, CUI Bing, YU Huibin, YANG Fang. Fluorescence spectra and multivariate statistical model characterization of DOM composition structure of Baitapu River sediment[J]. Journal of Environmental Engineering Technology, 2021, 11(2): 249-257. doi: 10.12153/j.issn.1674-991X.20200204
Citation: LIU Dongping, GAO Hongjie, CUI Bing, YU Huibin, YANG Fang. Fluorescence spectra and multivariate statistical model characterization of DOM composition structure of Baitapu River sediment[J]. Journal of Environmental Engineering Technology, 2021, 11(2): 249-257. doi: 10.12153/j.issn.1674-991X.20200204

白塔堡河底泥DOM组成结构的荧光光谱与多元统计模型表征

doi: 10.12153/j.issn.1674-991X.20200204
详细信息
    作者简介:

    刘东萍(1994—),女,硕士研究生,主要从事水环境管理研究, 18339916386@163.com

    通讯作者:

    高红杰 E-mail: gaohj@craes.org.cn

  • 中图分类号: X522

Fluorescence spectra and multivariate statistical model characterization of DOM composition structure of Baitapu River sediment

More Information
    Corresponding author: GAO Hongjie E-mail: gaohj@craes.org.cn
  • 摘要: 利用三维荧光光谱,结合平行因子(PARAFAC)分析、层次聚类分析(HCA)和分类回归树(CART)模型,以东北典型城镇化河流——白塔堡河为研究对象,分别在该河的农村段、城镇段和城市段采集表层底泥样品,研究表层底泥中溶解性有机质(DOM)的荧光组分,分析荧光组分空间特征,识别DOM特征的关键因子,并辨识污染源。结果表明:白塔堡河底泥DOM中包含6个DOM荧光组分,即类富里酸(C1)、微生物代谢产物(C2)、类胡敏酸(C3)、类色氨酸(C4)、类酪氨酸(C5)、酚类物质(C6);白塔堡河城镇段DOM荧光物质浓度最高,城市段次之,农村段最低;白塔堡河农村段底泥DOM以内源为主,城镇段与城市段受陆源和内源物质的双重影响;白塔堡河底泥污染程度为城镇段>城市段>农村段,底泥DOM呈现出农村段、城镇段和城市段分异特征;类酪氨酸与类富里酸是识别底泥DOM特征的2个关键因子。

     

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  • 收稿日期:  2020-08-19
  • 刊出日期:  2021-03-20

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