Chapter
Dec 31, 2015
Stability of Tidal Channels Dependent on River Improvement
Publication: Coastal Engineering 1976
Abstract
Many authors have dealt with the migration of sand in front of the German coast of the North Sea. Especially the movement of sand-banks and deep channels in the Weser-estuary was subjectmatter of several investigations with different results.
Thorough investigations of selected cross-sections point out, that the movement goes on in some regions. The important shipping channel however has obtained a certain stability during the last 30 - 40 years, because the migration of sand occurs otherwise than in former days.
This phenomenon coincides with the extensive and decisive river improvement measures in the inner part of the Weser-estuary.
Current measurements in the investigation area demonstrate, that concentrated tidal currents in the deep channels guarantee a sufficient clearance for shipping purpose.
It seems to be sure, that for the present no essential shifting of the main channel calls for important measures in the field of shipping, dredging and building of sea-marks.
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Published In
Coastal Engineering 1976
Pages: 1775 - 1789
Copyright
© 1977 American Society of Civil Engineers.
History
Published online: Dec 31, 2015
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Authors
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Volker Barthel
Dipl.-Ing. Wasser- und Schiffahrtsamt Bremerhaven Am Radarturm 1, 2850 Bremerhaven, W.-Germany
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