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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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (Editor review) (08 Mar 2016) by Clare Woulds
AR by Johan van der Molen on behalf of the Authors (21 Mar 2016)  Author's response    Manuscript
ED: Publish subject to minor revisions (Editor review) (30 Mar 2016) by Clare Woulds
AR by Johan van der Molen on behalf of the Authors (30 Mar 2016)  Author's response    Manuscript
ED: Publish as is (05 Apr 2016) by Clare Woulds
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Short summary
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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