An extreme value analysis of the flow of Burbage Brook |
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| Authors: | J H Barrett |
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| Institution: | (1) Dept. of Probability and Statistics, University of Sheffield, P.O. Box 597, S10 2UN Sheffield, United Kingdom |
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| Abstract: | An extreme value analysis of the flow of Burbage Brook is carried out by modelling peaks over a high threshold. The aims are to illustrate recently developed statistical techniques and to report on interesting features of the flow of the brook over a 58-year period. Peak flows are found to show marked seasonal variation and a downward trend. Then-year return level is estimated for various values ofn, and the reliability of the estimates is assessed. |
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| Keywords: | Extreme values Generalized Pareto Distribution maximum likelihood peaks over threshold return levels river flows |
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