Analyzing DOM in black and odorous water bodies using excitation-emission matrix fluorescence with PARAFAC
LI Xiao-jie1,2, GAO Hong-jie2, GUO Ji-feng1, LÜ Chun-jian2, YÜ Hui-bin2, LIU Rui-xia2
1. Key Laboratory of Subsurface Hydrology and Ecology in Arid Areas, Ministry of Education, School of Environmental Science and Engineering, Chang'an University, Xi'an 710054, China; 2. Department of Urban Water Environmental Research, Chinese Research Academy of Environmental Science, Beijing 100012, China
Abstract:Excitation-emission matrix (EEM) fluorescence spectroscopy combined with parallel factor analysis (PARAFAC) and multivariable analysis were employed to analysis the components and source of dissolved organic matter (DOM) and to reveal their correlations with water quality in five black and odorous water bodies in Shenyang. DOM was decomposed into three components by PARAFAC, including protein-like component C1(235,360), fulvic-like component C2(220,430) and humic-like component C3(255,520). Based on principal component analysis, C2 exhibited close positive correlations with CODCr, NH4+-N, S2- and TP, and good negative correlations with DO and transparency. C2 mainly derived from terrestrial organic matter. C2had a better positive correlation with C3, indirectly proving that C2 and C3 could originate microbial endogenous. The results indicated that the contribution rate of terrestrial organic matter and microbial endogenous to the DOM of black and odorous water bodies was as high as 61.2% and 25.5%, respectively. There were significant differences about the five black and odorous water bodies in water quality, tributary I and Ⅱ were serious black-odorous, whereas tributary Ⅲ, IV and V were mild black-odorous.
李晓洁, 高红杰, 郭冀峰, 吕纯剑, 于会彬, 刘瑞霞. 三维荧光与平行因子研究黑臭河流DOM[J]. 中国环境科学, 2018, 38(1): 311-319.
LI Xiao-jie, GAO Hong-jie, GUO Ji-feng, LÜ Chun-jian, YÜ Hui-bin, LIU Rui-xia. Analyzing DOM in black and odorous water bodies using excitation-emission matrix fluorescence with PARAFAC. CHINA ENVIRONMENTAL SCIENCECE, 2018, 38(1): 311-319.
Goldman J H, Rounds S A, Needoba J A. Applications of fluorescence spectroscopy for predicting percent wastewater in an urban stream[J]. Environmental Science & Technology, 2012, 46(8):4374-4381.
[5]
Hudson N, Baker A, Ward D, et al. Can fluorescence spectrometry be used as a surrogate for the Biochemical Oxygen Demand (BOD) test in water quality assessment? An example from South West England[J]. Science of the Total Environment, 2008,391(1):149-158.
[6]
Korak J A, Dotson A D, Summers R S, et al. Critical analysis of commonly used fluorescence metrics to characterize dissolved organic matter[J]. Water Research, 2014,49(1):327-338.
[7]
Osburn C L, Handsel L T, Mikan M P, et al. Fluorescence Tracking of Dissolved and Particulate Organic Matter Quality in a River-Dominated Estuary[J]. Environmental Science & Technology, 2012,46(16):8628-36.
[8]
Yu H, Song Y, Du E, et al. Comparison of PARAFAC components of fluorescent dissolved and particular organic matter from two urbanized rivers[J]. Environmental Science and Pollution Research, 2016,23(11):1-12.
[9]
Castillo C R, Sarmento H, Álvarez-Salgado X A, et al. Production of chromophoric dissolved organic matter by marine phytoplankton[J]. Limnology & Oceanography, 2010,55(3):446-454.
[10]
Nieto-Cid M, Álvarez-Salgado X A, Pérez F F. Microbial and Photochemical Reactivity of Fluorescent Dissolved Organic Matter in a Coastal Upwelling System[J]. Limnology & Oceanography, 2006,51(3):1391-1400.
Murphy K R, Stedmon C A, Graeber D, et al. Fluorescence spectroscopy and multi-way techniques. PARAFAC[J]. Analytical Methods, 2013,5(23):6557-6566.
[14]
Ohno T. Fluorescence inner-filtering correction for determining the humification index of dissolved organic matter[J]. Environmental Science & Technology, 2002,36(19):742-746.
Stedmon C A, Markager S. Tracing the production and degradation of autochthonous fractions of dissolved organic matter by fluorescence analysis[J]. Limnology & Oceanography, 2005,50(5):1415-1426.
[17]
Ou H S, Wei C H, Deng Y, et al. Principal component analysis to assess the composition and fate of impurities in a large river-embedded reservoir:Qingcaosha Reservoir[J]. Environmental Science:Processes & Impacts, 2013,15(8):1613-1621.
[18]
Shank G C, Evans A, Yamashita Y, et al. Solar radiation-Enhanced dissolution of particulate organic matter from coastal marine sediments[J]. Limnology & Oceanography, 2011,56(2):577-588.
Mcknight D M, Boyer E W, Westerhoff P K, et al. Spectrofluorometric Characterization of Dissolved Organic Matter for Indication of Precursor Organic Material and Aromaticity[J]. Limnology & Oceanography, 2001,46(1):38-48.
Stedmon C A, Bro R. Characterizing dissolved organic matter fluorescence with parallel factor analysis:a tutorial[J]. Limnology & Oceanography Methods, 2008,6(11):572-579.
[24]
Liu R, Lead J R, Zhang H. Combining cross flow ultrafiltration and diffusion gradients in thin-films approaches to determine trace metal speciation in freshwaters[J]. Geochimica Et Cosmochimica Acta, 2013,109(109):14-26.
[25]
Liu R, Lead J R, Baker A. Fluorescence characterization of cross flow ultrafiltration derived freshwater colloidal and dissolved organic matter[J]. Chemosphere, 2007,68(7):1304-11.