Wadden Sea Mud: Methods for Estimation of Transport, Erosion and Consolidation of Marine Cohesive Sediments

P. Møller-Jensen

    Research output: PhD thesis

    Abstract

    The present thesis deals with the transport phenomena of estuarine cohesive sediment from a laboratory and a numerical point of view. The cohesive sediment used throughout the whole process was natural mud from the Danish part of the Wadden sea, Ho Bay.

    In the laboratory, the work was concentrated on studies of the settling velocity of particles under conditions with various salinities and suspended sediment concentrations, erosion of deposited material and compression and consolidation of deposited material due to self-weight.

    As part the project, equipments for settling, consolidation and erosion experiments were developed. The settling and consolidation experiments were carried out in a transparent cylinder with a diameter of 190 mm and variable height. The erosion experiments were carried out in a circular flume with a mea diameter of 1700 mm, a width of 200 mm and a depth of 260 mm.

    A one dimensional numerical model was developed describing the material distribution in suspension and within the bed and the transfer processes, namely, erosion and deposition. The model was calibrated using the laboratory experiments.
    Original languageEnglish
    Place of PublicationAalborg
    Publisher
    Print ISBNs87-90034-00-7
    Publication statusPublished - 1993

    Keywords

    • Mud
    • Sea Mud
    • Wadden Sea
    • Estuarine Cohesive Sediment
    • Ho Bay
    • Settling Experiment
    • Consolidation Experiment
    • Erosion Experiment
    • Erosion
    • Cylinder

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