94
-20
20
40
g6o
9
~
800
-20 9
m t
-20
o~,
9 le
t
",
20 lJ
ml I
401
i
t
Mn2+ (P M)
~)I
NO~ (mM).
' I(X)
200
300 0
0.4
0.8
0
d~ zo
40
6O
8O
0
2: L
so/
,
1.2 0
FeZ+(mM)
I
S042" (raM)
pit
?0
80
0.2
0.4
0.6
0
5
!0
15
20
6
7
20
0
!0
10
~0
-20
0
20
40
6O
Fig. 4.51. Porewater profiles in the sediments of the Lean River (Caijiawan, China)
-20
20
40
g6o
9
~
800
-20 9
m t
-20
o~,
9 le
t
",
20 lJ
ml I
401
i
t
Mn2+ (P M)
~)I
NO~ (mM).
' I(X)
200
300 0
0.4
0.8
0
d~ zo
40
6O
8O
0
2: L
so/
,
1.2 0
FeZ+(mM)
I
S042" (raM)
pit
?0
80
0.2
0.4
0.6
0
5
!0
15
20
6
7
20
0
!0
10
~0
-20
0
20
40
6O
Fig. 4.51. Porewater profiles in the sediments of the Lean River (Caijiawan, China)