509
Fluorescent Dissolved Organic Matter in Natural Waters
Type of samples/locations
Origin of DOM
Filtration
Irradiation
time
(h/days)
Solar
intensity
(MJm
−2 )
Changes in fluorescence intensities
References
size/type (μm)
Photoirradiation Microbial Photoirradiation Microbial
Peak C-region
Peak T- and T
UV -regions
%
%
Commercial detergent (T
UV -like),
component 2
–
MQ water
10 (dark)
nd
na
na
na
−15
Mostofa et al. (2010)
River water
+ DSBP
–
River water
12 h (summer) nd
−31
na
nd
nd
Poiger et al. (1999)
River water
+ DAS1
–
River water
12 h (summer) nd
−12
na
nd
nd
Poiger et al. (1999)
Fulvic acid (C-like: comp 1),
Yellow River, China
Allochthonous/plant
material
River water
3 h (summer) nd
−(43–46)
na
nd
nd
Mostofa KMG et al.,
(unpublished data)
Fulvic acid (M-like: comp 2),
Yellow River, China
Allochthonous/plant
material
River water
3 h (summer) nd
−(5–68)
na
nd
nd
Mostofa KMG et al.,
(unpublished data)
Fulvic acid (C-like: comp 1),
Yellow River, China
Allochthonous/plant
material
River water
12 (dark)
nd
na
(+) (52–81) nd
nd
Mostofa KMG et al.,
(unpublished data)
Fulvic acid (M-like: comp 2),
Yellow River, China
Allochthonous/plant
material
River water
12 (dark)
nd
na
−100
nd
(−) 8; (+)
33
Mostofa KMG et al.,
(unpublished data)
Mackenzie River, 68ºN
Allochthonous/plant
material
0.20
72 h (summer) nd
−(13–45)
nd
nd
nd
Osburn et al. (2009)
Mackenzie River, 68ºN
Allochthonous/plant
material
0.20
72 h (spring)
nd
−33
nd
nd
nd
Osburn et al. (2009)
Mackenzie River, 68ºN
Allochthonous/plant
material
0.20
72 h (autumn) nd
−(1–10)
nd
nd
nd
Osburn et al. (2009)
Laramie River-DOM, 41°N
Allochthonous/plant
material
River water
72 h (sunlight) nd
−23
na
nd
nd
Brooks et al. (2007)
Chimney Park Wetland-DOM,
41°N
Allochthonous/plant
material
River water
72 h (sunlight) nd
−7
na
nd
nd
Brooks et al. (2007)
Lake Biwa, 35°N: surface water
(2.5 m)
Allochthonous/
autochthonous
0.10
12 (irradiated) 137
−36
na
−18
na
Mostofa et al. (2011)
Lake Biwa, 35°N: surface water
(2.5 m)
Allochthonous/
autochthonous
0.10
12 (dark)
nd
na
(+) 31
na
(+) 68
Mostofa et al. (2011)
Lake Biwa, 35°N: deeper water
(70 m)
Allochthonous/
autochthonous
0.10
12 (irradiated) nd
−48
na
−7
na
Mostofa et al. (2011)
(continued)
Table 4 (continued)
Fluorescent Dissolved Organic Matter in Natural Waters
Type of samples/locations
Origin of DOM
Filtration
Irradiation
time
(h/days)
Solar
intensity
(MJm
−2 )
Changes in fluorescence intensities
References
size/type (μm)
Photoirradiation Microbial Photoirradiation Microbial
Peak C-region
Peak T- and T
UV -regions
%
%
Commercial detergent (T
UV -like),
component 2
–
MQ water
10 (dark)
nd
na
na
na
−15
Mostofa et al. (2010)
River water
+ DSBP
–
River water
12 h (summer) nd
−31
na
nd
nd
Poiger et al. (1999)
River water
+ DAS1
–
River water
12 h (summer) nd
−12
na
nd
nd
Poiger et al. (1999)
Fulvic acid (C-like: comp 1),
Yellow River, China
Allochthonous/plant
material
River water
3 h (summer) nd
−(43–46)
na
nd
nd
Mostofa KMG et al.,
(unpublished data)
Fulvic acid (M-like: comp 2),
Yellow River, China
Allochthonous/plant
material
River water
3 h (summer) nd
−(5–68)
na
nd
nd
Mostofa KMG et al.,
(unpublished data)
Fulvic acid (C-like: comp 1),
Yellow River, China
Allochthonous/plant
material
River water
12 (dark)
nd
na
(+) (52–81) nd
nd
Mostofa KMG et al.,
(unpublished data)
Fulvic acid (M-like: comp 2),
Yellow River, China
Allochthonous/plant
material
River water
12 (dark)
nd
na
−100
nd
(−) 8; (+)
33
Mostofa KMG et al.,
(unpublished data)
Mackenzie River, 68ºN
Allochthonous/plant
material
0.20
72 h (summer) nd
−(13–45)
nd
nd
nd
Osburn et al. (2009)
Mackenzie River, 68ºN
Allochthonous/plant
material
0.20
72 h (spring)
nd
−33
nd
nd
nd
Osburn et al. (2009)
Mackenzie River, 68ºN
Allochthonous/plant
material
0.20
72 h (autumn) nd
−(1–10)
nd
nd
nd
Osburn et al. (2009)
Laramie River-DOM, 41°N
Allochthonous/plant
material
River water
72 h (sunlight) nd
−23
na
nd
nd
Brooks et al. (2007)
Chimney Park Wetland-DOM,
41°N
Allochthonous/plant
material
River water
72 h (sunlight) nd
−7
na
nd
nd
Brooks et al. (2007)
Lake Biwa, 35°N: surface water
(2.5 m)
Allochthonous/
autochthonous
0.10
12 (irradiated) 137
−36
na
−18
na
Mostofa et al. (2011)
Lake Biwa, 35°N: surface water
(2.5 m)
Allochthonous/
autochthonous
0.10
12 (dark)
nd
na
(+) 31
na
(+) 68
Mostofa et al. (2011)
Lake Biwa, 35°N: deeper water
(70 m)
Allochthonous/
autochthonous
0.10
12 (irradiated) nd
−48
na
−7
na
Mostofa et al. (2011)
(continued)
Table 4 (continued)