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山东省平度市农村黑臭水体DOM三维荧光光谱的平行因子分析

张晓亮 王洪波 杨芳 王思宇 郭晓娅 冯慧娟

张晓亮,王洪波,杨芳,等.山东省平度市农村黑臭水体DOM三维荧光光谱的平行因子分析[J].环境工程技术学报,2022,12(3):651-659 doi: 10.12153/j.issn.1674-991X.20210488
引用本文: 张晓亮,王洪波,杨芳,等.山东省平度市农村黑臭水体DOM三维荧光光谱的平行因子分析[J].环境工程技术学报,2022,12(3):651-659 doi: 10.12153/j.issn.1674-991X.20210488
ZHANG X L,WANG H B,YANG F,et al.Parallel factor analysis with three-dimensional excitation-emission matrix spectroscopy on dissolved organic matter of rural black and odorous water bodies in Pingdu City of Shandong Province[J].Journal of Environmental Engineering Technology,2022,12(3):651-659 doi: 10.12153/j.issn.1674-991X.20210488
Citation: ZHANG X L,WANG H B,YANG F,et al.Parallel factor analysis with three-dimensional excitation-emission matrix spectroscopy on dissolved organic matter of rural black and odorous water bodies in Pingdu City of Shandong Province[J].Journal of Environmental Engineering Technology,2022,12(3):651-659 doi: 10.12153/j.issn.1674-991X.20210488

山东省平度市农村黑臭水体DOM三维荧光光谱的平行因子分析

doi: 10.12153/j.issn.1674-991X.20210488
基金项目: 生态环境部业务专项(22110402001001)
详细信息
    作者简介:

    张晓亮(1995—),男,硕士研究生,研究方向为农村黑臭水体治理,1157365493@qq.com

    通讯作者:

    冯慧娟(1980—),女,正高级工程师,博士,主要从事农村黑臭水体、农村水环境研究,fenghj@craes.org.cn

  • 中图分类号: X52

Parallel factor analysis with three-dimensional excitation-emission matrix spectroscopy on dissolved organic matter of rural black and odorous water bodies in Pingdu City of Shandong Province

  • 摘要:

    运用三维荧光光谱联合平行因子法及相关性分析,以山东省平度市农村黑臭水体为研究对象,探讨其溶解性有机质(DOM)组成、腐殖化程度及来源。结果表明:该市农村黑臭水体DOM包含5类6个荧光组分,分别为类色氨酸荧光组分(C1和C6)、类腐殖质荧光组分(C2)、浮游生物活动产生荧光组分(C3)、类胡敏酸荧光组分(C4)、类富里酸荧光组分(C5);荧光指数、自生源指数、腐殖化指数和新鲜度指数分别为1.6~1.9、0.8~1.0、0.6~3.0和0.80~0.95的水体占90%,表明该市农村黑臭水体DOM具有外源与内源双重特性,同时具有弱腐殖质特征;结合相关性分析得出,C1、C2、C3、C4之间均呈正相关,其中C2与C4呈极显著正相关(R2=0.98,P<0.01),C5、C6与其他组分之间均不相关,表明该市农村黑臭水体DOM组分来源具有多样性。

     

  • 图  1  研究区16个黑臭采样点位置示意

    Figure  1.  Sampling sites of 16 black and odorous water bodies in the research area

    图  2  三维荧光光谱不同组分数激发光谱和发射光谱的残差平方和

    Figure  2.  Sum of the squares of excitation spectrum and emission spectrum residuals of the different fractions of three-dimensional excitation-emission matrix spectroscopy

    3  PARAFAC技术提取出各采样点水体DOM的6个荧光组分

    3.  Six fluorescence components extracted by PARAFAC of DOM in water bodies at each sampling point

    3  PARAFAC技术提取出各采样点水体DOM的6个荧光组分(续)

    3.  Six fluorescence components extracted by PARAFAC of DOM in water bodies at each sampling point (continued)

    图  4  各采样点水体DOM荧光组分的Fmax及相对占比

    Figure  4.  Maximum fluorescence intensity (Fmax ) and relative proportion of DOM fluorescence components in water bodies at each sampling point

    图  5  16个采样点水体中DOM的4种荧光参数

    Figure  5.  Four fluorescence parameters of DOM in water bodies at 16 sampling points

    图  6  16个采样点DOM荧光组分的聚类分析

    Figure  6.  Cluster analysis of DOM fluorescence compents at 16 sampling points

    表  1  水体中DOM的6个荧光组分的特征

    Table  1.   Characteristics of the six fluorescent components of DOM in water

    组分荧光类型荧光峰类型传统峰值/nm本研究的峰值/nm文献中的峰值/nm
    ExEmExEmExEm
    C1 类色氨酸 T1峰 275 340~350 280 330 270~290 320~370[18]
    C2 类腐殖质 M峰 290~310 370~420 315 400 300~320 380~420[19]
    C3 与浮游生物活动相关产物 N峰 280 375 280 370 280 370[20]
    C4 类胡敏酸 F峰 350~440 430~510 360 465 310~360 370~480[21]
    C5 类富里酸 A峰 230~260 380~460 255 435 230~255 400~460[17]
    C6 类色氨酸 T2峰 225~230 340~350 225 345 225 340[22]
    下载: 导出CSV

    表  2  荧光组分与荧光参数的相关系数

    Table  2.   Correlation analysis between fluorescence parameters and fluorescent components

    参数C1C2C3C4C5C6FIBIXHIXβ:α
    C11.000
    C20.529*1.000
    C30.853**0.697**1.000
    C40.571*0.985**0.721**1.000
    C50.0790.3380.0120.2351.000
    C60.439−0.0660.253−0.1100.4521.000
    FI−0.4410.050−0.418−0.0180.668**−0.0181.000
    BIX−0.444−0.359−0.438−0.4180.2880.0590.603*1.000
    HIX−0.788**−0.053−0.629**−0.1180.400−0.3340.729**0.3501.000
    β:α−0.531*−0.384−0.543*−0.4560.4160.1020.699**0.961**0.4841.000
    注:*表示P<0.05,为显著相关;**表示P<0.01,为极显著相关。
    下载: 导出CSV
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  • 收稿日期:  2021-09-08
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