282
K. M. G. Mostofa et al.
Type of samples/Locations Filtration
size/type
(μm)
Irradiation
time
(h, or, day)
Solar
intensity
(MJm
−2 )
DOC
Before
irradiation
Changes in DOC
Changes in DOC
References
Photoirradiation Microbial Photoirradiation Microbial
(μM
C)
(μM C)
%
Kago upstream (July 2000),
Japan (35°N)
0.45
12 (irradiated) 192
119
−29
na
−24
na
Mostofa et al.
(2005b)
Kago upstream (July 2000),
Japan (35°N)
0.45
12 (dark)
192
119
na
1 a
na
1 a
Mostofa et al.
(2005b)
Kago upstream (June 2001),
Japan (35°N)
0.45
13 (irradiated) 176
99
−36
na
−36
na
Mostofa et al.
(2007a)
Kago upstream (June 2001),
Japan (35°N)
0.45
13 (dark)
176
99
na
−2
na
−2
Mostofa et al.
(2007a)
Nishi-Mataya upstream,
Japan (35°N)
0.45
13 (irradiated) 176
38
−12
na
−32
na
Mostofa et al.
(2007a)
Nishi-Mataya upstream,
Japan (35°N)
0.45
13 (dark)
176
38
na
−3
na
−8
Mostofa K et al.
(2007a)
Nishi-Mataya upstream,
Japan (35°N)
0.45
12 (irradiated) 192
39
−8
na
−21
na
Mostofa K et al.
(unpublished
data)
Nishi-Mataya upstream,
Japan (35°N)
0.45
12 (dark)
192
39
na
−1
na
−3
Mostofa K et
al. (unpublished data)
Yasu River, Japan (35°N)
0.45
13 (irradiated) 176
194
−32
na
−16
na
Mostofa et al.
(2007a)
Yasu River, Japan (35°N)
0.45
13 (dark)
176
194
na
−32
na
−16
Mostofa et al.
(2007a)
Kurose River
(Izumi site), 34°N
0.20
6 (irradiated)
118.5
406
−220
na
−54
na
Mostofa K et al.
(unpublished
data)
Table 1
Photoinduced and microbial changes of dissolved organic carbon (DOC) concentration during photoirradiation experiments conducted on natural
waters as reported elsewhere
(continued)