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The impact of non-equilibrium flow on the structure of turbulence over river dunes.

Unsworth, C. A. and Parsons, D. R. and Hardy, R. J. and Reesink, A. J. H. and Best, J. L. and Ashworth, P. J. and Keevil, G. M. (2018) 'The impact of non-equilibrium flow on the structure of turbulence over river dunes.', Water resources research., 54 (9). pp. 6566-6584.

Abstract

This piece of research expands our description of how rivers flow over dunes on a river bed. Most of the scientific communities' research to date has used unnaturally steady conditions to measure how water moves over dunes. Yet these flow conditions are not strictly true to the variety of conditions nature produces, most importantly during floods. This research is the first detailed description of a wide range of flow states over dunes, and changes our present understanding of the structure of flow over dunes in rivers. Consequently, the scientific community will be able to use this new information to better model and simulate how rivers work, how they flood, and how they transport sediment towards the worlds deltas.

Item Type:Article
Full text:Publisher-imposed embargo
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1029/2017wr021377
Publisher statement:Unsworth, C. A., Parsons, D. R., Hardy, R. J., Reesink, A. J. H., Best, J. L., Ashworth, P. J. & Keevil, G. M. (2018). The impact of non-equilibrium flow on the structure of turbulence over river dunes. Water Resources Research 54(9): 6566-6584, 10.1029/2017WR021377 (DOI). To view the published open abstract, go to https://doi.org/ and enter the DOI.
Date accepted:03 August 2018
Date deposited:30 August 2018
Date of first online publication:19 September 2018
Date first made open access:19 March 2019

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