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UNO Dynamics of Sedimentation Lab
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Robert Mahon
Sep 27, 2021
In Upcoming Open Experiments
In conjunction with the 2021 American Geophysical Union Fall Meeting in New Orleans, the UNO Dynamics of Sedimentation Lab will run a live community experiment. The experiment will be conducted in the 22m main channel at UNO and will investigate the controls on bedform three-dimensionality, and the transfer of three-dimensional bedform kinematics into the stratigraphic record. The experiment will coincide with Session EP044: Understanding bedforms across a range of scales and environments. Experimental Setup: 22m long, 0.6m wide, 0.9m deep recirculating flume, unidirectional current (see https://www.bedform.org/lab for more info). Flow depth: open for discussion. Discharge: open for discussion. Can be run with multiple stages to simulate variable hydrograph. Instrumentation: Single Nortek Vectrino Profiling ADV placed at upstream end of profiling reach. Laser topographic scanner capable of scanning full width of flume for repeat surveys. - Repeat interval ~30s. - Scan reach length 2m (up to 10m possible). - Resolution, up to 250 microns Laser particle tracking velocimetry (green) for sediment particle tracking in vertically oriented plane. Black light particle tracking for bed material sediment particle tracking of fluorescent painted particles. Run time: enough to reach equilibrium at each discharge, while allowing a full set of dunes to fully migrate through the profiling window at each equilibrium condition. Data and metadata will be published through ScholarWorksUNO upon completion of the experiment run and assigned a DOI, and experiment metadata will be posted onto the Sediment Experimentalist Network wiki (at www.sedexp.net). We are soliciting community input into the experimental setup, additional instrumentation that may be of use, and insights into the open sharing of experimental datasets.
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Robert Mahon
Sep 23, 2021
In Upcoming Open Experiments
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Robert Mahon
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