495
Fluorescent Dissolved Organic Matter in Natural Waters
DOM sources
Fluorescence index (F
index )
References
F
Peak A/Peak C
F
250:330/440–450
f
450/500
HIX **
Irradiated fulvic acid, upper main
channel waters (G), Yellow River, China
(3 h, n
= 2)
2.82
3.38
3.32
−14
Mostofa KMG et al., (unpublished data)
Irradiated downstream river waters, Yasu
River, Lake Biwa watershed, Japan
3.09
4.15
2.98
−31
Mostofa et al. (2007a) a
Microbial effects on River fulvic acid
Fulvic acid, upper branch waters (Z),
Yellow River, China (12 days)
1.77
2.78
3.55
3
Mostofa KMG et al., (unpublished data)
Fulvic acid, upper main channel waters (G),
Yellow River, China (12
days)
2.04
3.68
3.98
3
Mostofa KMG et al., (unpublished data)
Fulvic acid affected by agricultural and sewerage activities
Fulvic acid, Yasu River, Lake Biwa
watershed (n
= 5)
2.18
2.36
1.8
−21
Mostofa et al. (2005b)
Extracted DOM fractions from Lake Hongfeng, China
Fulvic acid, extracted from lake surface
waters
1.30
1.90
2.20
–
Mostofa KMG et al., (unpublished data)
Humic acid, extracted from lake surface
waters
1.50
2.29
1.51
–
Mostofa KMG et al., (unpublished data)
Hydrophilic acids (HIA), extracted from
lake surface waters
1.26
1.57
2.57
–
Mostofa KMG et al., (unpublished data)
Hydrophilic bases (HIB), extracted from
lake surface waters
1.29
1.65
2.70
–
Mostofa KMG et al., (unpublished data)
Hydrophilic neutrals (HIN), extracted from
lake surface waters
1.18
1.66
2.77
–
Mostofa KMG et al., (unpublished data)
Hydrophobic neutrals (HON), extracted
from lake surface waters
1.99
3.63
2.83
–
Mostofa KMG et al., (unpublished data)
Photobleaching allochthonous fulvic acid in lake
Fulvic acid: 0–20
m, summer period,
Lake Biwa
1.67–1.82
1.84–2.07
1.89–2.08
4, 6, 9
Mostofa et al. (2005b) a
(continued)
Table 3 (continued)
Fluorescent Dissolved Organic Matter in Natural Waters
DOM sources
Fluorescence index (F
index )
References
F
Peak A/Peak C
F
250:330/440–450
f
450/500
HIX **
Irradiated fulvic acid, upper main
channel waters (G), Yellow River, China
(3 h, n
= 2)
2.82
3.38
3.32
−14
Mostofa KMG et al., (unpublished data)
Irradiated downstream river waters, Yasu
River, Lake Biwa watershed, Japan
3.09
4.15
2.98
−31
Mostofa et al. (2007a) a
Microbial effects on River fulvic acid
Fulvic acid, upper branch waters (Z),
Yellow River, China (12 days)
1.77
2.78
3.55
3
Mostofa KMG et al., (unpublished data)
Fulvic acid, upper main channel waters (G),
Yellow River, China (12
days)
2.04
3.68
3.98
3
Mostofa KMG et al., (unpublished data)
Fulvic acid affected by agricultural and sewerage activities
Fulvic acid, Yasu River, Lake Biwa
watershed (n
= 5)
2.18
2.36
1.8
−21
Mostofa et al. (2005b)
Extracted DOM fractions from Lake Hongfeng, China
Fulvic acid, extracted from lake surface
waters
1.30
1.90
2.20
–
Mostofa KMG et al., (unpublished data)
Humic acid, extracted from lake surface
waters
1.50
2.29
1.51
–
Mostofa KMG et al., (unpublished data)
Hydrophilic acids (HIA), extracted from
lake surface waters
1.26
1.57
2.57
–
Mostofa KMG et al., (unpublished data)
Hydrophilic bases (HIB), extracted from
lake surface waters
1.29
1.65
2.70
–
Mostofa KMG et al., (unpublished data)
Hydrophilic neutrals (HIN), extracted from
lake surface waters
1.18
1.66
2.77
–
Mostofa KMG et al., (unpublished data)
Hydrophobic neutrals (HON), extracted
from lake surface waters
1.99
3.63
2.83
–
Mostofa KMG et al., (unpublished data)
Photobleaching allochthonous fulvic acid in lake
Fulvic acid: 0–20
m, summer period,
Lake Biwa
1.67–1.82
1.84–2.07
1.89–2.08
4, 6, 9
Mostofa et al. (2005b) a
(continued)
Table 3 (continued)