Characterization and Analysis of DOM in Raw Water in Xiamen and Zhangzhou by 3-DEEM-FRI

Yan-jie CHEN; Yu-qian CUI; Qing-song LI; Bo-qiang LI; Ji-ping WANG; Guo-yuan CHEN; Jie LIAO; Guo-xin LI

doi:10.3964/j.issn.1000-0593(2021)02-0499-06

Journals >Spectroscopy and Spectral Analysis >Volume 41 >Issue 2 >Page 499 > Article

Spectroscopy and Spectral Analysis
Vol. 41, Issue 2, 499 (2021)

Characterization and Analysis of DOM in Raw Water in Xiamen and Zhangzhou by 3-DEEM-FRI

Yan-jie CHEN^1、1、*, Yu-qian CUI^1、1, Qing-song LI^1、1, Bo-qiang LI^1、1, Ji-ping WANG^1、1, Guo-yuan CHEN^1、1, Jie LIAO^1、1, and Guo-xin LI^1、1

Author Affiliations

¹[in Chinese]

¹1. School of Environmental Science and Engineering, Qingdao University, Qingdao 266071, China

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DOI: 10.3964/j.issn.1000-0593(2021)02-0499-06 Cite this Article

Yan-jie CHEN, Yu-qian CUI, Qing-song LI, Bo-qiang LI, Ji-ping WANG, Guo-yuan CHEN, Jie LIAO, Guo-xin LI. Characterization and Analysis of DOM in Raw Water in Xiamen and Zhangzhou by 3-DEEM-FRI[J]. Spectroscopy and Spectral Analysis, 2021, 41(2): 499 Copy Citation Text

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Fig. 1. Sampling sites

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Fig. 2. 3-DEEM spectra of water samples

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Fig. 3. Nomalized fluorescence integral volume and the proportion of each region of water samples

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Fig. 4. Correlation analysis of SUVA and humus-like components

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Fig. 5. Correlation analysis between TOC (a), NH4+-N (b) and the normalized fluorescence integral volume

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区域	范围Ex/Em	代表的物质类型
Ⅰ	220~250/280~330	荧光芳香类蛋白Ⅰ(酪氨酸)
Ⅱ	220~250/330~380	荧光芳香类蛋白Ⅱ(色氨酸)
Ⅲ	220~250/380~500	类富里酸
Ⅳ	250~280/280~380	溶解性微生物代谢产物
Ⅴ	250~400/380~500	类腐殖酸

Table 1. Fluorescence integral region partition

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R²	Ф_1,_n	Ф_2,_n	Ф_3,_n	Ф_4,_n	Ф_5,_n
Ф_1,_n	1	0.852 52	0.074 56	0.970 36	-0.179 97
Ф_2,_n		1	-0.161 63	0.804 16	0.041 92
Ф_3,_n			1	0.054 75	0.244 32
Ф_4,_n				1	-0.210 78
Ф_5,_n					1

Table 2. The correlation analysis results between regions

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采样点	N $H_{4}^{+}$ -N /(mg·L^-1)	TOC /(mg·L^-1)	UV₂₅₄ /m^-1	SUVA /[L·(m·mg)^-1]	FI	BIX	HIX	β∶α
江东泵站	0.32	1.24	4.76	3.84	1.28	0.92	2.24	0.83
北溪水闸	0.39	1.49	5.40	3.62	1.47	0.77	2.02	0.75
汀溪水库	0.61	2.96	4.11	1.39	1.49	0.86	1.75	0.80
莲花水库	0.49	3.94	6.03	1.53	1.46	0.95	2.06	0.90
坂头水库	0.50	4.77	4.83	1.01	1.68	0.95	1.88	0.90
石兜水库	0.77	6.11	7.87	1.29	1.76	0.98	1.10	0.97

Table 3. Indicators and fluorescence characteristics of water samples

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R²	FI	BIX	HIX	β∶α	UV₂₅₄
FI	1	-0.045 42	0.621 54	0.285 8	0.159 68
BIX		1	-0.074 94	0.839 82	0.012 21
HIX			1	0.215 87	0.358 54
β∶α				1	0.362 99
UV₂₅₄					1

Table 4. The correlation analysis results between the parameters

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