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Fluorescence Characterization of Dissolved Organic Matter in East China Sea

文献类型：期刊论文

作者Wang Jiang-tao1; Guan Ha-si-gao-wa1; Zhao Wei-hong2; Wang Xiu-lin1
刊名SPECTROSCOPY AND SPECTRAL ANALYSIS
出版日期2009-05-01
卷号29期号:5页码:1345-1348
关键词Excitation-emission Matrix Spectroscopy (Eems) East China Sea Fluorescence Dissolved Organic Matter
ISSN号1000-0593
DOI10.3964/j.issn.1000-0593(2009)05-1345-04
文献子类Article
英文摘要Sea water samples were collected in the East China Sea in March and April, 2005, and three-dimensional fluorescence of dissolved organic matter was measured by fluorescence excitation-emission matrix spectroscopy. The position, number and intensity of fluorescence peak in the spectra and the relations of the peaks were analyzed to determine the type, distribution and origin of the fluorescence dissolved organic matter. Seven types of fluorescence peaks were detected from the samples. There are protein-like fluorescence peaks B with Ex(max)/Em(max) = 275/300 nm, D with Ex(max)/Em(max) = 225/295-305 nm, T with Ex(max)/Em(max) = 280/345 nm, and S with Ex(max)/Em(max) = 225-240/320-350 nm, two humic-like peaks A with Ex(max)/Em(max) = 250-255/410-455 nm and C 335-345/410-440 ran, and marine humic peak M with Ex(max)/Em(max) = 305 nm/400-420 nm. Peaks B, S and A appeared in all surveyed area. Peaks T and D appeared in the north of the surveyed area. Peaks M and C only appeared in a few stations. In the surface layer, the source of the fluorescence dissolved organic matter might be the fresh water outflow of the Yangtze River, while the fluorescence dissolved organic matter in the middle layer had double sources from the Yangtze River and the phytoplankton. The good correlationships of different fluorescence peaks showed the same source or some relationship between the protein-like and the humic-like fluorescence dissolved organic matter.; Sea water samples were collected in the East China Sea in March and April, 2005, and three-dimensional fluorescence of dissolved organic matter was measured by fluorescence excitation-emission matrix spectroscopy. The position, number and intensity of fluorescence peak in the spectra and the relations of the peaks were analyzed to determine the type, distribution and origin of the fluorescence dissolved organic matter. Seven types of fluorescence peaks were detected from the samples. There are protein-like fluorescence peaks B with Ex(max)/Em(max) = 275/300 nm, D with Ex(max)/Em(max) = 225/295-305 nm, T with Ex(max)/Em(max) = 280/345 nm, and S with Ex(max)/Em(max) = 225-240/320-350 nm, two humic-like peaks A with Ex(max)/Em(max) = 250-255/410-455 nm and C 335-345/410-440 ran, and marine humic peak M with Ex(max)/Em(max) = 305 nm/400-420 nm. Peaks B, S and A appeared in all surveyed area. Peaks T and D appeared in the north of the surveyed area. Peaks M and C only appeared in a few stations. In the surface layer, the source of the fluorescence dissolved organic matter might be the fresh water outflow of the Yangtze River, while the fluorescence dissolved organic matter in the middle layer had double sources from the Yangtze River and the phytoplankton. The good correlationships of different fluorescence peaks showed the same source or some relationship between the protein-like and the humic-like fluorescence dissolved organic matter.
学科主题Spectroscopy
URL标识查看原文
语种英语
WOS记录号WOS:000265756100045
公开日期2010-12-22
源URL[http://ir.qdio.ac.cn/handle/337002/2639]  
专题海洋研究所_海洋生态与环境科学重点实验室
作者单位1.Ocean Univ China, Minist Educ, Key Lab Marine Chem Theory & Technol, Qingdao 266100, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Ecol & Environm Sci, Qingdao 266071, Peoples R China
推荐引用方式
GB/T 7714		 Wang Jiang-tao,Guan Ha-si-gao-wa,Zhao Wei-hong,et al. Fluorescence Characterization of Dissolved Organic Matter in East China Sea[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2009,29(5):1345-1348.
APA Wang Jiang-tao,Guan Ha-si-gao-wa,Zhao Wei-hong,&Wang Xiu-lin.(2009).Fluorescence Characterization of Dissolved Organic Matter in East China Sea.SPECTROSCOPY AND SPECTRAL ANALYSIS,29(5),1345-1348.
MLA Wang Jiang-tao,et al."Fluorescence Characterization of Dissolved Organic Matter in East China Sea".SPECTROSCOPY AND SPECTRAL ANALYSIS 29.5(2009):1345-1348.

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来源：海洋研究所

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