06
4.4.4 Early diagenesis in the Moscow and Oka River (Russia)
Fig. 4.53, 4.54 show the porewater profiles from the Moscow River and the Oka
River.
-20
20
40
N o / ( , ~ )
6o :
0
0.4
0.8
1.2
i Mn2+ (p M)
,,
t
16o 2oo
-20 --.
0
9 9
20
40
60
30O 0
-20
0
2O .
40
9
0
Fe2*(mM)
,--, -20
o
20
~- 40'
C~ 60
C~
0.0
mm 9
9
W
SO 4 z" (raM)
0.2
0.4
0.6
-20 ,;
|
201 9
401 9
i
9
0
NH4+ (r,~)
5
I0
15
-20
O
20
40
60
20
0
"2alkalinity
16
-20
20
4O
60
0
9 PO4 ~- (pM)
100
200
-20
0
20
40
9
pll
60
3 0 0 6 - 7
i
"
w
ii
60
"
9 -20O - 10O
Eh (my)
0 " ' !00 200
Fig. 4.53. Porewater profiles from the sediments of the Moscow River (Kolomna, Russia)