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Field measurements and lab investigations to determine soil exchange characteristics for sediments from the Weser estuary
Citation Link: https://doi.org/10.15480/882.8497
Publikationstyp
Conference Poster
Date Issued
2021-09-13
Sprache
English
TORE-DOI
Citation
International Conference on Cohesive Sediment Transport (2021)
Contribution to Conference
International Conference on Cohesive Sediment Transport, 2021
Publisher Link
Peer Reviewed
false
Sedimentation of fine grained sediments is a natural physical phenomenon influenced by bio-geochemical processes which occurs in rivers, channels and estuaries. The deepening of waterways in estuaries to enhance the navigability intensifies this effect. Even in the centre of the channel, where high flow velocities favour sediment transport and erosion, net sedimentation and accumulation occurs. Maintenance dredging is the main method to maintain the navigational channel which requires large financial investments and has potential negative impacts on the environment as well. The
research project FAUST (For an improved understanding of estuarine sediment transport) addresses the challenge of net sedimentation and accumulation by investigating the transport properties of sediments in field (primarily in the Weser estuary) and in laboratory studies to advance the development of large scale 3D morphodynamic-numerical models. The conceptual design of the project FAUST has been presented in Patzke et al. (2019). Here we focus on erodibility experiments using a gust erosion microcosm system.
research project FAUST (For an improved understanding of estuarine sediment transport) addresses the challenge of net sedimentation and accumulation by investigating the transport properties of sediments in field (primarily in the Weser estuary) and in laboratory studies to advance the development of large scale 3D morphodynamic-numerical models. The conceptual design of the project FAUST has been presented in Patzke et al. (2019). Here we focus on erodibility experiments using a gust erosion microcosm system.
Subjects
cohesive sediment
erosion
FAUST
microcosm
sediment transport
Weser
DDC Class
550: Earth Sciences, Geology
570: Life Sciences, Biology
Funding Organisations
More Funding Information
The authors would like to thank Federal Waterways Engineering and Research Institute (BAW) Germany, which funded the project. Samples are taken with the help of ships and employees from WSA (Bremerhaven). We’d like to thank the Hamburg Port Authority for offering ship capacities and ideas to develop a new type of core sampler.
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