286
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)
%
Lake Biwa, 35°N:
surface water (2.5 m)
<5 kDa
12 (irradiated) 137
73
−5
na
−11
na
Mostofa KMG
et al.
(unpublished)
(2004)
Lake Biwa, 35°N:
surface water (2.5 m)
<5 kDa
12 (dark)
na
73
na
0
na
0
Mostofa KMG
et al.
(unpublished)
(2004)
Lake Biwa, 35°N:
surface water (70 m)
<5 kDa
12 (irradiated) 137
63
−10
na
−16
na
Mostofa KMG
et al.
(unpublished)
(2004)
Lake Biwa, 35°N:
surface water (70 m)
<5 kDa
12 (dark)
na
63
na
2 a
na
3 a
Mostofa KMG
et al.
(unpublished)
(2004)
Lake Lacawac, 41°N:
surface water
0.20
7 (irradiated)
nd
400
−80
NMD
−20
NMD
Morris and
Hargreaves
(1997)
Table 1 (continued)
(continued)