507
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
%
%
Nishi-Mataya upstream, Japan
(35°N)
Allochthonous/plant
material
0.45
12 (dark)
192
na
(+) 5
na
np
Mostofa et al. (2007a)
Yasu River, Japan (35°N)
Allochthonous/
autochthonous
0.45
13 (irradiated) 176
−80
na
−59
na
Mostofa et al. (2007a)
Yasu River, Japan (35°N)
Allochthonous/
autochthonous
0.45
13 (dark)
176
na
(+) 14
na
(+) 6
Mostofa et al. (2007a)
Kurose River (Izumi site), 34°N Allochthonous/
anthropogenic
0.20
6 (irradiated)
118.5
−77
na
−10
na
Mostofa et al. (2011)
Kurose River (Izumi site), 34°N Allochthonous/
anthropogenic
0.45
6 (dark)
118.5
na
(+) 6
na
(+) 4
Mostofa et al. (2011)
Kurose River (Izumi site), 34°N Allochthonous/
anthropogenic
Unfiltered
6 (irradiated)
118.5
−77
na
−5
na
Mostofa et al. (2011)
Kurose River (Izumi site), 34°N Allochthonous/
anthropogenic
Unfiltered
6 (dark)
118.5
na
nd
na
−17
Mostofa et al. (2011)
Kurose River (Hinotsume site),
34°N
Allochthonous/
anthropogenic
0.20
10 (irradiated) 152.5
−76
na
−21
na
Mostofa et al. (2011)
Kurose River (Hinotsume site),
34°N
Allochthonous/
anthropogenic
0.45
10 (dark)
152.5
na
nd
na
−11
Mostofa et al. (2011)
Kurose River (Hinotsume site),
34°N
Allochthonous/
anthropogenic
Unfiltered
10 (irradiated) 152.5
−81
na
−19
na
Mostofa et al. (2011)
Kurose River (Hinotsume site),
34°N
Allochthonous/
anthropogenic
Unfiltered
10 (dark)
152.5
na
nd
na
−13
Mostofa et al. (2011)
Nanming River, (Near Institute),
26°N
Allochthonous/
anthropogenic
Unfiltered
3 h (irradiated) nd
−27
na
−32
na
Mostofa et al. (2010)
Detergent component (C-like),
drain samples, (near institute),
26°N
–
Unfiltered
3 h (irradiated) nd
−34
na
−50
na
Mostofa et al. (2010)
(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
%
%
Nishi-Mataya upstream, Japan
(35°N)
Allochthonous/plant
material
0.45
12 (dark)
192
na
(+) 5
na
np
Mostofa et al. (2007a)
Yasu River, Japan (35°N)
Allochthonous/
autochthonous
0.45
13 (irradiated) 176
−80
na
−59
na
Mostofa et al. (2007a)
Yasu River, Japan (35°N)
Allochthonous/
autochthonous
0.45
13 (dark)
176
na
(+) 14
na
(+) 6
Mostofa et al. (2007a)
Kurose River (Izumi site), 34°N Allochthonous/
anthropogenic
0.20
6 (irradiated)
118.5
−77
na
−10
na
Mostofa et al. (2011)
Kurose River (Izumi site), 34°N Allochthonous/
anthropogenic
0.45
6 (dark)
118.5
na
(+) 6
na
(+) 4
Mostofa et al. (2011)
Kurose River (Izumi site), 34°N Allochthonous/
anthropogenic
Unfiltered
6 (irradiated)
118.5
−77
na
−5
na
Mostofa et al. (2011)
Kurose River (Izumi site), 34°N Allochthonous/
anthropogenic
Unfiltered
6 (dark)
118.5
na
nd
na
−17
Mostofa et al. (2011)
Kurose River (Hinotsume site),
34°N
Allochthonous/
anthropogenic
0.20
10 (irradiated) 152.5
−76
na
−21
na
Mostofa et al. (2011)
Kurose River (Hinotsume site),
34°N
Allochthonous/
anthropogenic
0.45
10 (dark)
152.5
na
nd
na
−11
Mostofa et al. (2011)
Kurose River (Hinotsume site),
34°N
Allochthonous/
anthropogenic
Unfiltered
10 (irradiated) 152.5
−81
na
−19
na
Mostofa et al. (2011)
Kurose River (Hinotsume site),
34°N
Allochthonous/
anthropogenic
Unfiltered
10 (dark)
152.5
na
nd
na
−13
Mostofa et al. (2011)
Nanming River, (Near Institute),
26°N
Allochthonous/
anthropogenic
Unfiltered
3 h (irradiated) nd
−27
na
−32
na
Mostofa et al. (2010)
Detergent component (C-like),
drain samples, (near institute),
26°N
–
Unfiltered
3 h (irradiated) nd
−34
na
−50
na
Mostofa et al. (2010)
(continued)
Table 4 (continued)
