4 Meereschemie 
156 
System Nordsee 
400 
300 
T3 
CB 
o 
200 
100 
1980 1985 1990 1995 2000 2005 
I | I I I I | I I I I | I I I I | I I I I | I I I I | I 
Nitrate 
t=-4±27 per decade; R 2 =0% 
I 1 1 1 1 I 1 1 1 1 I 
Q | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 
1980 1985 1990 1995 2000 2005 
Abb. 4-1: Jährliche Gesamtabflussraten der Flüsse Elbe, Weser, Ems und Eider in die Deutsche 
Bucht und zugehörige Phosphat- und Nitratfrachten im Zeitraum 1980 - 2005. 
Fig. 4-1: Total annual discharge of rivers Elbe, Weser, Ems, and Eider into the German Bight and 
associated loads of phosphate and nitrate during 1980 - 2005.