289
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)
%
Satilla Estuary, control
(nonincubated)
0.20
51 (dark
incubated)
nd
1886−1946na
(170–215) na
(8–11)
Moran et al.
(2000)
Satilla Estuary, control
(incubated)
0.20
51 (dark
incubated)
nd
1881–2004 na
(171–209) na
(9–10)
Moran et al.
(2000)
Satilla Estuary, 12–16 %
photobleached
0.20
51 (dark
incubated)
nd
1728–1874 na
(227–261) na
(13–14)
Moran et al.
(2000)
Satilla Estuary, 21–25 %
photobleached
0.20
51 (dark
incubated)
nd
1563–1739 na
(177–261) na
(11–15)
Moran et al.
(2000)
Satilla Estuary, 32–44 %
photobleached
0.20
51 (dark
incubated)
nd
1498–1548 na
(170–292) na
(11–19)
Moran et al.
(2000)
Satilla Estuary, 59–64 %
photobleached
0.20
51 (dark
incubated)
nd
1249–1386 na
(194–322) na
(16–23)
Moran et al.
(2000)
Seawater
+ humic
substances (SH)
0.20
16 h (Artificial
sunlight)
nd
695
−22
na
−3
na
Miller and
Moran
(1997)
Seawater
+ the control
addition (SC)
0.20
16 h (Artificial
sunlight)
nd
515
−21
na
−4
na
Miller and
Moran
(1997)
Artificial seawater
+ the
control addition (AC)
0.20
16 h (Artificial
sunlight)
nd
241
−7
na
−3
na
Miller and
Moran
(1997)
Seawater
+ humic
substances (SH)
0.20
14 (Dark
incubation)
nd
695
na
−67
na
−10
Miller and
Moran
(1997)
Table 1 (continued)
(continued)