438
EO
0
a...
0
~
0
'-"'
0
(')
00
EO
0
a...
0
~
~
0
(')
00
1.0
0.0
:-"" ...
_ .. '
• .. ·1 .....
I ' .. :
\
'.
'.
'.
'.
..
..
: .....
8.8 I
9.8
-1.0 A
o
100
•
.'
.. ...... / \
I
I
12.1
Mulitza et a1.
PS1768-8: Polar Front
52°S/4°E
N. pachyderma (left)
-.
:
. .
: ....
. .
.'
.. ... -...... .. '
200
300
400
500
600
Depth (em)
0.0 -", . . r:::'-/'\:V~/\:\:_::. ~eo~. 1023-~~~~~~~~la Upwelling
)' v,' . . . . ,: . . . . ,' .. :~~ '. G. bulloides
-1.0
',';",' . "\.j li\·' l!\Ry\·!. i' ;1,
-2.0
1.5
5.5
9.1
10.2
10.8
14.2
17.8
-3.0 B
2.0
4.0
0.0
1.0
2.0
o 100 200 300 400 500 600 700 800 900 1000
Depth (em)
O'l
~
0>
0
.--..
~
0
0
"U
0
E:!
O'l
0>
0
.--..
~
0
0
"U
0
E:!
Fig. 9. (a) I)I3C and 1)"0 ofN. pachyderma from core PS1768-8 (Niebler 1995). 14C-Datings are from Frank et a1.
(1996). (b) I)I3C and 1)"0 of G. bulloides from the Benguela Upwelling System (Schneider et a1. 1992).