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Comparison of different sources of uncertainty on climate change impact studies in Great Britain

Prudhomme, C.; Davies, H.. 2007 Comparison of different sources of uncertainty on climate change impact studies in Great Britain. In: Climatic and anthropogenic impacts on the variability of water resources, FRIEND, Paris. Paris, UNESCO, 183-190.

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Abstract/Summary

The paper assesses the range of changes from a comprehensive set of scenarios describing uncertainties due to climate modelling and climate projections for the 2080s. The study focuses on the mean annual flow ANN and the low flow regime indicator Q95. The changes are represented by confidence bands including 90% of the future simulations and are compared with estimate variations in ANN and Q95 due to natural climatic variability. The climatic projections include incertainty in future emissions of greenhouse gases, in midolling global climate and in downscaling methodologies, while the natural variability is assessed through data resampling. Results are analysed to assess which of the considered uncertainties is largest for one British test catchment, and to provide guidance for incorporating uncertainty in future impact studies.

Item Type: Publication - Conference Item (Paper)
Programmes: CEH Programmes pre-2009 publications > Water
CEH Sections: Harding (to July 2011)
Additional Keywords: water resource, climate change impact, hydrological modelling, uncertainty
NORA Subject Terms: Meteorology and Climatology
Date made live: 22 Jan 2008 10:18
URI: http://nora.nerc.ac.uk/id/eprint/1668

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