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Eckernfoerde Bay (SW Baltic Sea) Associated Investigators: Related Web Sites: The Boknis Eck Time Series Station (BE) is located at the entrance of the Eckernforde Bay (54 31'N, 10 02'E; water depth 28m, muddy sediments) in the southwestern Baltic Sea. Samples are taken from six depths on a monthly basis. Salinity, temperature, phosphate and O2 data have been recorded since 1957. Chlorophyll a measurements started in 1960. Additional nutrients (nitrate, nitrite, ammonium and silicate) and Secchi depths are available since 1979 and 1986, respectively. Since riverine and groundwater inputs are negligible, the overall hydrographic setting at BE is dominated by the regular inflow of North Sea water through the Kattegat and the Great Belt. Seasonal stratification occurs usually from mid-March until mid-September and causes pronounced hypoxia which sporadically become anoxic. The location of BE is ideal to study (i) a coastal ecosystem under the influence of pronounced changes of salinity and (ii) biogeochemical processes sensitive to changes of dissolved oxygen. |