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Sea level rise in the Severn Estuary and Bristol Channel and impacts of a Severn Barrage

Ahmadian, Reza, Olbert, Agnieszka I., Hartnett, Michael and Falconer, Roger Alexander 2014. Sea level rise in the Severn Estuary and Bristol Channel and impacts of a Severn Barrage. Computers & Geosciences 66 , pp. 94-105. 10.1016/j.cageo.2013.12.011

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Abstract

Many research projects in recent years have focused on marine renewable energy devices and structures due to the growing interest in marine renewable energy. These devices and structures have very different life spans. Schemes such as the Severn Barrage in the UK, as originally proposed by the Severn Tidal Power Group (STPG), would be the largest tidal renewable energy generation project in the world and would be operational for well over a century if built. Due to the long working life of some of these marine renewable energy schemes, it is important to study the impacts of climate change on such schemes, and particularly sea level rise. This study focuses on investigating the impacts of sea level rise due to climate change on the largest macro-tidal estuary in the UK, namely the Severn estuary and Bristol Channel, and the alterations of the impacts and the performance of the Severn Barrage as a result of climate change. A hierarchy of computer models was implemented to identify the more localised impacts of climate change in the region of the study. Moreover, the potential benefits of the barrage on reducing flood risk, as well as the impact of climate change and the barrage on intertidal mudflats were investigated. The model predictions showed that the barrage would reduce flood risk due to the sea level rise. Furthermore, annual power output and the initial reduction in flood risk of the barrage would not be affected by sea level rise.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Advanced Research Computing @ Cardiff (ARCCA)
Engineering
Subjects: T Technology > TC Hydraulic engineering. Ocean engineering
Uncontrolled Keywords: Sea Level Rise; Climate Change; Severn Barrage; Flood Risk; Severn Estuary; Marine Renewable Energy
Publisher: Elsevier
ISSN: 0098-3004
Funders: EU
Last Modified: 21 Feb 2019 09:44
URI: http://orca.cf.ac.uk/id/eprint/56451

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