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The impact of macroalgae on mean and turbulent flow fields

Thomas, Robert E.; Mclelland, Stuart J.


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Dr Robert Thomas
Senior Research Fellow in Geomorphology and Flood Risk

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Dr Stuart McLelland
Interim Co-Director of the Energy and Environment Institute


© 2015 Publishing House for Journal of Hydrodynamics. In this paper, we attempt to quantify the mean and turbulent flow fields around live macroalgae within a tidal inlet in Norway. Two Laminaria digitata specimens ∼0.50m apart were selected for detailed study and a profiling ADV was used to collect 45 velocity profiles, each composed of up to seven 0.035 m-high profiles collected for 240 s at 100 Hz, at a streamwise spacing of 0.25 m and cross-stream spacing of 0.20 m. To quantify the impact of the macroalgae, measurements were repeated over a sparser grid after the region had been completely cleared of algae and major roughness elements.


Thomas, R. E., & Mclelland, S. J. (2015). The impact of macroalgae on mean and turbulent flow fields. Journal of hydrodynamics. Ser. B, 27(3), 427-435.

Journal Article Type Article
Acceptance Date Mar 4, 2015
Online Publication Date Jun 1, 2015
Publication Date Jun 1, 2015
Deposit Date Sep 18, 2019
Publicly Available Date Sep 19, 2019
Journal Journal of Hydrodynamics
Print ISSN 1001-6058
Electronic ISSN 1878-0342
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 27
Issue 3
Pages 427-435
Keywords Dealiasing; laminaria digitata; turbulence; vectrino profiler; velocity profile
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