36
0
4
8
12
~
-I0
0
,E 20
.= 40
~ 6 0
a~
Elsenz
ta.
~ 80
0
S042" zone
i
9
4
8
1'2
20L~_%,
SO~" zone
40
6O
80
0
9 ".. CH~-wne
:=
10 Dec.
I,
':[
401
I
I
I
8ol
16 0
16
a. Neckar River
So~ 2" zo~
b
CH 4 - z~ne
Kochendoff
b. tributaries
- I 0 ,
oi
i 9
so]. ~one
?oF ".
,
\
401
. ;
n
m%
60t
k "..-.
I0 Mar.
8o[
-10
0
so/" ~one
20
4,40 - 4
%
60
":~ CH., - zone
Nieblingen",
80
- ~
.~
o
4
s
iz
s o : " zone
-i0
-1o I
o(
o
SOl" rune
20 - 9 ~ -_
20 -
m
9 h
9
"-~
CH ,I - zone
4 0
9
6 0
m_
80
,
, .
80 . ..
0
4
~
12 16 0
r Neckar River at Lauffen
-1(3
0
%
4o
"r %
"a
#;
60 ,"
CH 4 - ,,,,.One
CH 4 - we
2oi
I
401
I
6o1
Schwarzbach
4
~
12
"~m
$0]" zone
_.\.
N
9
% CH4 - Zone
r "\.
15 Jun.
,
80
. . . .
4
8
12'
16 0
,~
8
12
16 0
4
8
12
NH4 + (mM)
16
16
16
Fig. 4.11. Ammonium profiles in the porewater from the Neckar River and its tributaries