The Impact of Nonequilibrium Flow on the Structure of Turbulence Over River Dunes

Unsworth, C. A. ORCID: https://orcid.org/0000-0002-8387-420X; Parsons, D. R. ORCID: https://orcid.org/0000-0002-5142-4466; Hardy, R. J. ORCID: https://orcid.org/0000-0003-1031-0160; Reesink, A. J. H. ORCID: https://orcid.org/0000-0001-9528-6205; Best, J. L. ORCID: https://orcid.org/0000-0001-5314-6140; Ashworth, P. J. ORCID: https://orcid.org/0000-0002-9642-4857; Keevil, G. M.. 2018 The Impact of Nonequilibrium Flow on the Structure of Turbulence Over River Dunes. Water Resources Research, 54 (9). 6566-6584. https://doi.org/10.1029/2017WR021377

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Abstract/Summary

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 toward the world's deltas.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1029/2017WR021377
ISSN:	00431397
NORA Subject Terms:	Earth Sciences
Date made live:	13 May 2020 15:05 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/527371

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