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Transfer factors of contamination between the German Bight and its tributary waters derived from measured tritium and Cs-137 activity concentrations
Wedekind, C.; FrΣmcke, G. (1991). Transfer factors of contamination between the German Bight and its tributary waters derived from measured tritium and Cs-137 activity concentrations. Dtsch. Hydrogr. Z. 44(2): 59-75
In: Deutsche hydrographische Zeitschrift = German Journal of Hydrography. Bundesamt für Seeschifffahrt und Hydrographie (BSH)/Deutsches Hydrographisches Institut: Hamburg; Rostock. ISSN 0012-0308, more
Peer reviewed article  

Available in Authors 

Keywords
    Marine; Brackish water

Authors  Top 
  • Wedekind, C.
  • FrΣmcke, G.

Abstract
    Evaluation of the results of radioactivity monitoring in the southern North Sea between 1977 and 1987 has shown that in the water of the German Bight three areas stand out due to their different ratios between salinity and concentration of dissolved Cs-137 and tritium. While salinity steadily increases with greater distance from the coast, the Cs-137 concentration above 34 PSU (Practical Salinity Unit) increases sharply and shows how far water from the western and central North Sea, contaminated by nuclear reprocessing in Sellafield (Irish Sea), reaches into the German Bight. In the 34 to 32.5 PSU range, the influence can be seen of water contaminated by tritium originating in the rivers Rhein (Rhine), Maas (Meuse) en Schelde (Scheldt), precipitation and the nuclear reprocessing plant at La Hague (Channel). Below 32.5 PSU, the influence of the influx from the rivers Elbe, Weser and Ems becoms apparent. These rivers are less contaminated with tritium.

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