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Lookup NU author(s): Professor Claire Walsh, Professor Chris Kilsby
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The potential impact of climate change on river flow regimes and Atlantic salmon (Salmo salar L.) are investigated, focusing on the Eden catchment, Cumbria, UK. A hydrological model enables reconstruction of flows across the catchment. Subsequently, predicted changes in precipitation and temperature by UKCIP02 climate scenarios are applied to the model to allow projections of future flows (2080s) across the catchment. Both current and future flow regimes are interpreted in terms of channel hydraulic parameters (i.e. flow depths, Froude number and discharge per metre width). Parameters are compared with suitable habitat flow parameters at various life stages in the literature to determine at what percentage of time these are met. Future climate will decrease the percentage time the ideal minimum parameter requirements will be met. GIS applications are used to analyse these changes catchment wide. Such changes will have implications for the species under EC Water Framework and Habitats Directives and for catchment ecological flow management strategies.
Author(s): Walsh CL, Kilsby CG
Editor(s): Winfield, I.J.
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: 36th Institute of Fisheries Management Annual Conference: Fisheries on the Edge
Year of Conference: 2005
Pages: 83-93
Publisher: Institute of Fisheries Management
URL: http://www.ifm.org.uk/conference/2005/ConfAbstracts2005.pdf
