285
Photoinduced and Microbial Degradation
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)
%
Sturgeon River waters in
Lake Superior (47°N)
0.20
15.5 (6.5 m)
nd
2829
−15
na
−0.5
na
Ma and Green
(2004)
Sturgeon River waters in
Lake Superior (47°N)
0.20
5.5 h (24 m)
nd
2829
−12
na
−0.4
na
Ma and Green
(2004)
Sturgeon River waters in
Lake Superior (47°N)
0.20
15.5 (24 m)
nd
2829
−25
na
−0.9
na
Ma and Green
(2004)
Lakes
Lake Biwa, 35°N:
surface water (2.5
m)
0.10
12 (irradiated) 137
126
−7
na
−6
na
Mostofa KMG
et al.
(unpublished)
(2004)
Lake Biwa, 35°N:
surface water (2.5 m)
0.10
12 (dark)
na
126
na
−2
na
−2
Mostofa KMG
et al.
(unpublished)
(2004)
Lake Biwa, 35°N:
surface water (70 m)
0.10
12 (irradiated) 137
93
−8
na
−9
na
Mostofa KMG
et al.
(unpublished)
(2004)
Lake Biwa, 35°N:
surface water (70 m)
0.10
12 (dark)
na
93
na
−7
na
−8
Mostofa KMG
et al.
(unpublished)
(2004)
Table 1 (continued)
(continued)