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A German Multi Purpose Offshore Diking Project and its Effects on the Morphology and Ecology of the Adjacent Tidal Flats

by Hans Werner Partenscky, Univ of Hannover, Franzius-Inst for, Hydraulic Research & Coastal, Engineering, Hanover, West Germany,
Manuela Osterthun, Univ of Hannover, Franzius-Inst for, Hydraulic Research & Coastal, Engineering, Hanover, West Germany,
Reinhard Dieckmann, Univ of Hannover, Franzius-Inst for, Hydraulic Research & Coastal, Engineering, Hanover, West Germany,



Document Type: Proceeding Paper

Part of: Coastal Zone '85

Abstract:

Since the catastrophic storm surge of 1634, the southern part of the north Frisian coast (West Germany) is in a state of non-equilibrium. Permanent erosion takes place in this area, with an ever-increasing rate over the last few decades. To attain a morphological stabilisation of the constantly eroding shallows, the Federal Government decided, by means of an offshore dike, to reduce the mean tidal volume of the tidal flats, in order to promote sedimentation. The aim of this project is not only to protect the inhabitants of this region, but also the existence of the tidal flats and their unique flora and fauna.

Subject Headings: Tides | Storm surges | Levees and dikes | Project management | Federal government | Erosion | Ecosystems | Germany | Europe

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