The Oder Estuary - IOW

tons/a
tons/a
15,000
12,500
10,000
7,500
5,000
2,500
0
3,500
3,000
2,500
2,000
1,500
1,000
500
0
1980
1980
1981
1981
1982
1982
1983
1984
Acknowledgements
nitrogen retained in the Grosses Haff
amont of nitrogen dredged out in the channel
1985
1986
1987
1988
1989
1990
1991
phosphorus retained in the Grosses Haff
The authors would like to thank for the monitoring data I was given to use in this work. On the
Polish side data were supplied by Westpomeranian Inspectorate of Environmental Protection
(WIOS) in Szczecin/Poland. Also unpublished data from measurements conducted by the Research
Station of the Sea Fisheries Institute in Swinoujscie were used for which the authors which to thank
Mr. St. Sitek and Dr. Wolnomiejski. On the German side data were supplied by the Landesamt für
Umwelt, Naturschutz und Geologie Mecklenburg-Vorpommern (LUNG) in Güstow/Germany.
We express our thanks to Dr. H. Siegel and Ms. M. Gerth for data on light extinction by the
dissolved substances in Kleines Haff water.
This research was supported by the Polish Scientific Committee Grant 6 PO4E 046 21.
1992
amont of phosphorus dredged out in the channel
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
Fig. 3.7 Amount of nitrogen and phosphorus retained in the Grosses Haff shown in the
model as compared to the amounts of nutrients dredged out from Grosses Haff
shipping channel after MINNING et al. (2003).
1993
1993
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