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Assessing hydrodynamic impacts of tidal range energy impoundments in UK coastal waters

Roome, Edward; Robins, Peter; Ahmadian, Reza; Austin, Martin; Hanousek, Nicolas; Guo, Bin; Neill, Simon. 2024 Assessing hydrodynamic impacts of tidal range energy impoundments in UK coastal waters. Renewable Energy, 237, 121601. https://doi.org/10.1016/j.renene.2024.121601

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© 2024 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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Abstract/Summary

Tidal range energy comprises a vast theoretical resource of 9,220 TWh per year, globally, with advantageous characteristics of predictability, generation flexibility and reliability. Approximately 13% of this resource lies within the United Kingdom’s (UK) coastal waters, where it could supply up to 12% of annual electricity demand. Tidal range energy conversion traditionally involves constructing and operating large-scale coastal or offshore impoundments (10-100 km2), which will redefine near and far-field water levels and flow patterns. The relationship between the scale of the impoundment area and hydrodynamic impact has not been investigated for UK sites. To address this, we develop a two-dimensional (depth-averaged) TELEMAC model of the Irish Sea, and simulate six scenarios involving tidal range schemes of increasing basin area, from 25 to 150 km2, located on the North Wales coast in an open coastal basin setting. Results indicate that far-field (30 − 150 km) changes to the amplitude of the semi-diurnal (

Item Type: Publication - Article
Digital Object Identifier (DOI): https://doi.org/10.1016/j.renene.2024.121601
ISSN: 09601481
Additional Keywords: Tidal range schemes, Tidal lagoon, Tidal dynamics, Marine renewable energy, Ocean modelling
Date made live: 12 Nov 2024 19:31 +0 (UTC)
URI: https://nora.nerc.ac.uk/id/eprint/538370

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