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VELOCITY AND SEDIMENT CONCENTRATION FIELDS ACROSS SURF ZONES
Author(s) -
Hans H. Dette,
Klemens Uliczka
Publication year - 1986
Publication title -
proceedings of conference on coastal engineering/proceedings of ... conference on coastal engineering
Language(s) - English
Resource type - Journals
eISSN - 2156-1028
pISSN - 0589-087X
DOI - 10.9753/icce.v20.79
Subject(s) - flume , geology , sediment transport , wave flume , sediment , surf zone , geomorphology , suspension (topology) , volume (thermodynamics) , current (fluid) , displacement (psychology) , geotechnical engineering , hydrology (agriculture) , mechanics , oceanography , breaking wave , flow (mathematics) , wave propagation , physics , mathematics , psychotherapist , psychology , quantum mechanics , homotopy , pure mathematics
Wave-induced currents and sediment concentrations in suspension across the surf zone were investigated at prototype scale in the BIG WAVE FLUME in Hannover for combined beach and dune profiles as well during the development phase until quasi-equilibrium stage as after beach equilibrium conditions had been reached. The selected initial profiles were partly investigated in repeated tests with regular and irregular waves. Based upon the obtained experimental data a comparison is presented between the measured and calculated landward displacement of sediment volume through a selected point on the beach into seaward areas. The discrepancies in between the results for measured profile change and for calculated sediment transport volume derived from vertical current and suspension distributions are discussed.

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