沙颍河流域水体中溶解性有机质(DOM)的荧光光谱解析
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摘要
应用三维荧光光谱技术(EEMS),研究了沙颍河流域水体中溶解性有机质(DOM)的荧光光谱特征,并探讨了沿岸生态系统对水体中DOM的性质及来源的影响.结果表明,沙颍河流域水体DOM均存在类色氨酸、类酪氨酸、可见光区和紫外光区类腐殖质4种荧光峰,其中贾鲁河水样中类蛋白与类腐殖质含量均最高.相关性分析显示,沙颍河流域干流和各支流的A、C峰代表的类腐殖质组分均存在共源性.荧光参数分析显示,沿岸土地利用类型以林业为主的澧河水体的DOM陆源性更强,腐殖化程度相对较高;其余各支流受两岸农田及人为排放的影响,水体具有明显的自生源特征,且新生DOM含量较高.贾鲁河荧光特征显示了其水体受人为干扰比较大.
Fluorescence spectra of dissolved organic matter(DOM) in the water of Shaying River Basin were studied by using three-dimensional excitation-emission matrix fluorescence spectroscopy(EEMS). The effects of coastal ecosystems on the nature and sources of DOM in water were investigated. The fluorescence spectra illustrated that there were four fluorescence peaks in the DOM of the Shaying River Basin, including tryptophan, tyrosine-like, visible light and ultraviolet light humus. The proteinoid and humic-like fluorescence contents in the water samples of Jialu River were the highest among the basin waters. The correlation analysis for the four fluorescence peaks demonstrated that the humic-like components represented by the A and C peaks of the main stream and tributaries in the Shaying River Basin were the same sources. According to the analysis of fluorescence parameters, the DOM in the Lihe River waters was mainly land-based source due to the land use type dominated by forestry along the shore, and the degree of humification was relatively higher. The other tributaries were affected by farmland and anthropogenic emissions on both sides of the river. Their water bodies had obvious characteristics of spontaneous source and highly new DOM. The fluorescence characteristics indicated that the Jialu River was highly interfered by anthropogenic activity.
Fluorescence spectra of dissolved organic matter(DOM) in the water of Shaying River Basin were studied by using three-dimensional excitation-emission matrix fluorescence spectroscopy(EEMS). The effects of coastal ecosystems on the nature and sources of DOM in water were investigated. The fluorescence spectra illustrated that there were four fluorescence peaks in the DOM of the Shaying River Basin, including tryptophan, tyrosine-like, visible light and ultraviolet light humus. The proteinoid and humic-like fluorescence contents in the water samples of Jialu River were the highest among the basin waters. The correlation analysis for the four fluorescence peaks demonstrated that the humic-like components represented by the A and C peaks of the main stream and tributaries in the Shaying River Basin were the same sources. According to the analysis of fluorescence parameters, the DOM in the Lihe River waters was mainly land-based source due to the land use type dominated by forestry along the shore, and the degree of humification was relatively higher. The other tributaries were affected by farmland and anthropogenic emissions on both sides of the river. Their water bodies had obvious characteristics of spontaneous source and highly new DOM. The fluorescence characteristics indicated that the Jialu River was highly interfered by anthropogenic activity.
引文
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[19] 左其亭,罗增良,石永强,等.沙颍河流域主要参数与自然地理特征[J].水利水电技术,2016,47(12):66-72.ZUO Q T,LUO Z L,SHI Y Q,et al.Main parameters and physiographic characteristics of Shayinghe River Basin[J].Water Resources and Hydropower Engineering,2016,47(12):66-72 (in Chinese).
[20] 高洁,江韬,李璐璐,等.三峡库区消落带土壤中溶解性有机质(DOM)吸收及荧光光谱特征[J].环境科学,2015,36 (1):151-162.GAO J,JIANG T,LI L L,et al.Ultraviolet-Visible (UV-Vis) and Fluorescence spectral characteristics of dissolved organic matter(DOM) in soils of water-level fluctuation zones of the Three Gorges Reservoir Region[J].Environmental Science,2015,36 (1):151-162 (in Chinese).
[21] 潘凤伟,李莎莎,王晓勇.沙颍河水系漯河区域水文特性浅析[J].河南水利与南水北调,2010(8):52-53.PAN F W,LI S S,WANG X Y.Preliminary analysis on regional hydrological performance of Shaying River system in Luohe [J].Henan Water Resources & South-to-North Water Diversion,2010(8):52-53 (in Chinese).
[22] 李发领.前进中的沙颍河[J].河南水利与南水北调,2009(11):15-17.LI F L.Moving Shaying River [J].Henan Water Resources & South-to-North Water Diversion,2009(11):15-17 (in Chinese).
[23] JUSTIN E.BIRDWELL,ENGEL A S.Characterization of dissolved organic matter in cave and spring waters using UV-Vis absorbance and fluorescence spectroscopy[J].Organic Geochemistry,2010,41(3):270-280.
[24] 胡霞,程艳,贾尔恒·阿哈提,等.西北内陆城市河段水体CDOM三维荧光指纹特征研究[J].环境科学与技术,2018,41(S1):226-231.HU X,CHENG Y,ARHATI J,et al.Characteristics of three-dimensional fluorescence on CDOM of the sewage into city segment of a typical northwest inland river[J].Environmental Science & Technology,2018,41(S1):226-231 (in Chinese).
[25] 张海威,张飞,李哲,等.新疆艾比湖主要入湖河流精河与博尔塔拉河三维荧光光谱特性及其与水质的关系[J].湖泊科学,2017,29(5):1112-1120.ZHANG H W,ZHANG F,LI Z,et al.Characteristics of three dimensional fluorescence spectra and its correlation with water quality in Jinghe and Bortala River from Lake Ebinur′s major inflow tributaries,Xinjiang[J].Journal of Lake Sciences,2017,29(5):1112-1120 (in Chinese).
[26] 刘堰杨,秦纪洪,刘琛,等.基于三维荧光及平行因子分析的川西高原河流水体CDOM特征[J].环境科学,2018,39(2):720-728.LIU Y Y,QIN J H,LIU S,et al.Characteristics of chromophoric dissolved organic matter (CDOM) in rivers of Western Sichuan Plateau Based on EEM-PARAFAC Analysis [J].Environmental Science,2018,39(2):720-728 (in Chinese).
[27] HONG H S,YANG L,GUO W D,et al.Characterization of dissolved organic matter under contrasting hydrologic regimes in a subtropical watershed using PARAFAC model[J].Biogeochemistry,2012,109(1-3):163-174.
[28] 赵胜楠.河流水体中溶解性有机物构成的三维荧光光谱解析[J].科学技术创新,2017(14):95-96.ZHAO S N.Three-dimensional fluorescence spectrum analysis of dissolved organic matter in river water[J].Science and Technology Innovation,2017(14):95-96 (in Chinese).
[29] 傅平青,刘丛强,吴丰昌.溶解有机质的三维荧光光谱特征研究[J].光谱学与光谱分析,2005,25(12):2024-2028.FU P Q,LIU C Q,WU F C.Study on three-dimensional fluorescence spectra of dissolved organic matter[J].Spectroscopy and Spectral Analysis,2005,25(12):2024-2028 (in Chinese).
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[31] MU G,JI M,LI S J.Evaluation of CDOM sources and their links with antibiotics in the rivers dividing China and North Korea using fluorescence spectroscopy[J].Environmental Science & Pollution Research,2018,25(27):27545-27560.
[2] 蔡文良,许晓毅,罗固源,等.长江重庆段溶解性有机物的荧光特性分析[J].环境化学,2012,31(7):1003-1008.CAI W L,XU X Y,LUO G Y,et al.Fluorescence characteristics of dissolved organic matter inthe Chongqing section of Yangtze River[J].Environmental Chemistry,2012,31(7):1003-1008 (in Chinese).
[3] 吴静,崔硕,谢超波,等.好氧处理后城市污水荧光指纹的变化[J].光谱学与光谱分析,2011,31(12):3302-3306.WU J,CIU S,XIE C B,et al.Changes of fluorescent fingerprint of urban sewage after aerobic treatment[J].Spectroscopy and Spectral Analysis,2011,31(12):3302-3306(in Chinese).
[4] 陈俊伊,王书航,姜霞,等.蠡湖表层沉积物荧光溶解性有机质(FDOM)荧光光谱特征[J].环境科学,2017,38(1):70-77.CHEN J Y,WANG S H,JIANG X,et al.Fluorescence spectral characteristics of fluorescent dissolved organic matter(FDOM) in the surface sediments from Lihu Lake [J].Environmental Science,2017,38(1):70-77 (in Chinese).
[5] 甘淑钗,吴莹,鲍红艳,等.长江溶解有机质三维荧光光谱的平行因子分析[J].中国环境科学,2013,33(6):1045-1052.GAN S C,WU Yi,BAO H Y,et al.Characterization of DOM(dissolved organic matter) in Yangtze River using 3-D fluorescence spectroscopy and parallel factor analysis[J].China Environmental Science,2013,33(6):1045-1052 (in Chinese).
[6] 卢松,江韬,张进忠,等.两个水库型湖泊中溶解性有机质三维荧光特征差异[J].中国环境科学,2015,35(2):516-523.LU S,JIANG T,ZHANG J Z,et al.Three-dimensional fluorescence characteristic differences of dissolved organic matter (DOM) from two typical reservoirs.[J].China Environmental Science,2015,35(2):516-523 (in Chinese).
[7] 刘瑞霞,李斌,刘娜娜,等.辽河流域与英国中部河湖水体中溶解有机质的荧光特性[J].环境科学学报,2014,34(9):2321-2328.LIU R X,LI B,LIU N N,et al.Fluorescence characteristics of dissolved organic matter in freshwaters from Liaohe Basin and Midland of UK[J].Acta Scientiae Circumstantiae,2014,34(9):2321-2328 (in Chinese).
[8] 冯伟莹,朱元荣,吴丰昌,等.太湖水体溶解性有机质荧光特征及其来源解析[J].环境科学学报,2016,36(2):475-482.FENG W Y,ZHU Y Y,WU F C,et al.The fluorescent characteristics and sources of dissolved organic matter in water of Tai Lake,China[J].Acta Scientiae Circumstantiae,2016,36(2):475-482 (in Chinese).
[9] HE X S,XI B D,WEI Z M,et al.Fluorescence excitation-emission matrix spectroscopy with regional integration analysis for characterizing composition and transformation of dissolved organic matter in landfill leachates[J].Journal of Hazardous Materials,2011,190(1):293-299.
[10] 梁俭,江韬,魏世强,等.夏、冬季降雨中溶解性有机质(DOM)光谱特征及来源辨析[J].环境科学,2015,36(3):888-897.LIANG J,JIANG T,WEI S Q,et al.Absorption and fluorescence characteristics of dissolved organic matter (DOM) in rainwater and sources analysis in summer and winter season[J].Environmental science,2015,(3):888-897 (in Chinese).
[11] CHEN W,WESTERHOFF P,LEENHEER J A,et al.Fluorescence excitation-cmission matrix regional integration to Quantify spectra for dissolved organic matter[J].Environmental Science & Technology,2003,37(24):5701-5710
[12] 易莹,周艳伟,Bridgeman J,等.三维荧光光谱法测定市政污水中有机污染物[J].环境监测管理与技术,2017,29(5):37-39.YING Y,ZHOU Y W,BRIDGEMAN J,et al.Determination of organic pollutants in municipal sewage by three-dimensional fluorescence spectroscopy[J].Administration & Technique of Environmental Monitoring,2017,29(5):37-39(in Chinese).
[13] 贺润升,徐荣华,韦朝海,等.焦化废水生物出水溶解性有机物特性光谱表征[J].环境化学,2015,34(1):129-136.HE R S,XU R H,WEI C H,et al.Spectral characterization of dissolved organic matter in bio-treated effluent of coking wastewater[J].Environmental Chemistry,2015,34(1):129-136 (in Chinese).
[14] 高连敬,杜尔登,崔旭峰,等.三维荧光结合荧光区域积分法评估净水厂有机物去除效果[J].给水排水,2012,38(10):51-56.GAO L J,DU E D,CUI X F,et al.The effect of organics removal in water purification plant was evaluated by 3 d fluorescence combined with fluorescence area integration[J].Water & Wastewater Engineering,2012,38(10):51-56 (in Chinese).
[15] YLLA I,SABATER S.Labile and recalcitrant organic matter utilization by river biofilm under increasing water temperature[J].Microbial Ecology,2012,64(3):593-604.
[16] 王朝阳,赵晨,欧佳奇,等.北京市部分地区降雪中溶解性有机物的光谱性能表征[J].环境化学,2016,35(11):2269-2278.WANG C Y,ZHAO C,OU J Q,et al.Spectroscopic characterization of dissolved organic matter in snow samples from some typical regions of Beijing[J].Environmental Chemistry,2016,35(11):2269-2278 (in Chinese).
[17] OHNO T,FEMANDEZ I J,HIRADATE S,et al.Effects of soil acidification and forest type on water soluble soil organic matter properties[J].Geoderma,2007,140(1):176-187.
[18] BAKER A,CURRY M.Fluorescence of leachates from three contrasting landfills[J].Water Research,2004,38(10):2605-2613.
[19] 左其亭,罗增良,石永强,等.沙颍河流域主要参数与自然地理特征[J].水利水电技术,2016,47(12):66-72.ZUO Q T,LUO Z L,SHI Y Q,et al.Main parameters and physiographic characteristics of Shayinghe River Basin[J].Water Resources and Hydropower Engineering,2016,47(12):66-72 (in Chinese).
[20] 高洁,江韬,李璐璐,等.三峡库区消落带土壤中溶解性有机质(DOM)吸收及荧光光谱特征[J].环境科学,2015,36 (1):151-162.GAO J,JIANG T,LI L L,et al.Ultraviolet-Visible (UV-Vis) and Fluorescence spectral characteristics of dissolved organic matter(DOM) in soils of water-level fluctuation zones of the Three Gorges Reservoir Region[J].Environmental Science,2015,36 (1):151-162 (in Chinese).
[21] 潘凤伟,李莎莎,王晓勇.沙颍河水系漯河区域水文特性浅析[J].河南水利与南水北调,2010(8):52-53.PAN F W,LI S S,WANG X Y.Preliminary analysis on regional hydrological performance of Shaying River system in Luohe [J].Henan Water Resources & South-to-North Water Diversion,2010(8):52-53 (in Chinese).
[22] 李发领.前进中的沙颍河[J].河南水利与南水北调,2009(11):15-17.LI F L.Moving Shaying River [J].Henan Water Resources & South-to-North Water Diversion,2009(11):15-17 (in Chinese).
[23] JUSTIN E.BIRDWELL,ENGEL A S.Characterization of dissolved organic matter in cave and spring waters using UV-Vis absorbance and fluorescence spectroscopy[J].Organic Geochemistry,2010,41(3):270-280.
[24] 胡霞,程艳,贾尔恒·阿哈提,等.西北内陆城市河段水体CDOM三维荧光指纹特征研究[J].环境科学与技术,2018,41(S1):226-231.HU X,CHENG Y,ARHATI J,et al.Characteristics of three-dimensional fluorescence on CDOM of the sewage into city segment of a typical northwest inland river[J].Environmental Science & Technology,2018,41(S1):226-231 (in Chinese).
[25] 张海威,张飞,李哲,等.新疆艾比湖主要入湖河流精河与博尔塔拉河三维荧光光谱特性及其与水质的关系[J].湖泊科学,2017,29(5):1112-1120.ZHANG H W,ZHANG F,LI Z,et al.Characteristics of three dimensional fluorescence spectra and its correlation with water quality in Jinghe and Bortala River from Lake Ebinur′s major inflow tributaries,Xinjiang[J].Journal of Lake Sciences,2017,29(5):1112-1120 (in Chinese).
[26] 刘堰杨,秦纪洪,刘琛,等.基于三维荧光及平行因子分析的川西高原河流水体CDOM特征[J].环境科学,2018,39(2):720-728.LIU Y Y,QIN J H,LIU S,et al.Characteristics of chromophoric dissolved organic matter (CDOM) in rivers of Western Sichuan Plateau Based on EEM-PARAFAC Analysis [J].Environmental Science,2018,39(2):720-728 (in Chinese).
[27] HONG H S,YANG L,GUO W D,et al.Characterization of dissolved organic matter under contrasting hydrologic regimes in a subtropical watershed using PARAFAC model[J].Biogeochemistry,2012,109(1-3):163-174.
[28] 赵胜楠.河流水体中溶解性有机物构成的三维荧光光谱解析[J].科学技术创新,2017(14):95-96.ZHAO S N.Three-dimensional fluorescence spectrum analysis of dissolved organic matter in river water[J].Science and Technology Innovation,2017(14):95-96 (in Chinese).
[29] 傅平青,刘丛强,吴丰昌.溶解有机质的三维荧光光谱特征研究[J].光谱学与光谱分析,2005,25(12):2024-2028.FU P Q,LIU C Q,WU F C.Study on three-dimensional fluorescence spectra of dissolved organic matter[J].Spectroscopy and Spectral Analysis,2005,25(12):2024-2028 (in Chinese).
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