Articles | Volume 13, issue 8
Biogeosciences, 13, 2593–2609, 2016
https://doi.org/10.5194/bg-13-2593-2016
Biogeosciences, 13, 2593–2609, 2016
https://doi.org/10.5194/bg-13-2593-2016

Research article 02 May 2016

Research article | 02 May 2016

Potential environmental impact of tidal energy extraction in the Pentland Firth at large spatial scales: results of a biogeochemical model

Johan van der Molen et al.

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Cited articles

Ahmadian, R. and Falconer, R. A.: Assessment of array shape of tidal stream turbines on hydro-environmental impacts and power output, Renew. Energ., 44, 318–327, 2012.
Aldridge, J., van der Molen, J., and Forster, R.: Wider ecological implications of Macroalgae cultivation, The Crown Estate, Edinburgh, London, ISBN 978-1-906410-38-4, 95 pp., 2012.
Balmaseda, M. A., Mogensen, K., and Weaver, A.: Evaluation of the ECMWF Ocean Reanalysis ORAS4, Q. J. Roy. Meteor. Soc., 139, 1132–1161, https://doi.org/10.1002/qj.2063, 2013.
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Boehlert, G. and Gill, A.: Environmental and ecological effects of ocean renewable energy development: A current synthesis, Oceanography, 23, 68–81, 2010.
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The potential large-scale (> 100 km) effects of marine renewable tidal energy generation in the Pentland Firth were studied using a 3-D hydrodynamics–biogeochemistry model. A realistic 800 MW scenario suggested minor effects on tides and biogeochemistry. A massive-expansion 8 GW scenario suggested effects over hundreds of kilometres away with changes of up to 10 % in tidal and ecosystem variables, the latter through clearer waters and increased primary production with associated increases in fauna.
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