Fig. 2. 
34.93 0.9 
3 > 
= 34.91 ~ 08 5 fe 
> S * 
= e ae we e 
z = 
= 34.89 5S hy 60°N 
a ° © GEOSECS 8 
* TTO 179+ 181 
9° 
a 
45 
Hq4Si0q (umol/kg) 
w 
uw 
AOU (ymol/kg) 
30 
2) 
io 
S6°N 
© GEOSECS 5 
* TTO 202 
SALINITY (%o) 
° 
a 
HgSi0g (pemol/kg) 
54°N 
© GEOSECS 4 
* TTO 205 
* 
* 
#0 * 5 5 OS 
SALINITY (%o) 
HgSi0g (umol/kg) 
AOU (pmol/kg) 
2.5 30 862.0 2.5 3.0 
6 (°C) 6 (°C) 
Salinity, initial phosphate (PO4°), dissolved silica (H4SiO4) and apparent oxygen 
utilization (AOU) for three GEOSECS stations and nearest TTO stations. 
13 
