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Vogt M., Deicke M., Karius V.. Bestimmung der Sedimentakkumulation auf Hallig Langeness im Winter 2009/10. In: Karius V., Hadler H., Deicke M., von Eynatten H., Brückner H. & Vött A.. Dynamische Küsten - Grundlagen, Zusammenhänge und Auswirkungen im Spiegel angewandter Küstenforschung. Coastline Reports (17), pp. 49-58. EUCC-D - Die Küsten Union Deutschland e.V., Rostock, 2011.

Zusammenfassung: The so called "Halligen" are small inhabited marsh islands within the North Frisian wadden sea, Germany. Their surface elevation is only slightly above the mean high water of the North Sea but they are not protected by dykes. The Halligen serve as wave beakers for the main coast line. For centuries they have been flooded during storm surges. These floodings left behind sediments that increased the surface elevation of the Halligen at a so far unknown rate. The recent sea level rise may endanger the balance between surface elevation and mean high water, thus it is important to quantify the sedimentation rate on the Halligen.Sedimentation was measured on Hallig Langeness in winter 2009/10. In October 2009, 60 sediment traps were installed and collected in March 2010 after two floodings. A median sediment accumulation of 1473 to 1559 g/m² depending on the type of sediment trap used and a surface increase of 0.98 to 1.04 mm was measured.
PDF: Bestimmung der Sedimentakkumulation auf Hallig Langeness im Winter 2009_10.pdf (691.080 Bytes)
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