Rainfall Excesses in the United Kingdom

Rainfall has been recorded in the United Kingdom in a systematic fashion for over 100 years. Information about the incidence of heavy rain is of particular interest to the hydrologist for use in flood prediction, but the data need to be classified. Bilham devised one method of classifying and predic...

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Bibliographic Details
Published in:Transactions - Institute of British Geographers (1965) 1970-03 (49), p.49-60
Main Author: Rodda, John C.
Format: Article
Language:English
Subjects:
Climate change
Flood damage
Highlands
Hydrologic data
Hydrology
Precipitation
Rain
Series convergence
Storms
Watersheds
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Summary:Rainfall has been recorded in the United Kingdom in a systematic fashion for over 100 years. Information about the incidence of heavy rain is of particular interest to the hydrologist for use in flood prediction, but the data need to be classified. Bilham devised one method of classifying and predicting the frequency of heavy rain, but another more satisfactory approach is through the use of a Gumbel-type extreme value analysis, as this allows magnitude frequency relations to be determined at a point. The problems of transforming point values into areal assessments are described and a method for calculating the probable maximum precipitation is put forward. The low intensities of British maxima are significant in relation to the development and maintenance of the typical British upland scene.
ISSN:0020-2754
1475-5661
DOI:10.2307/621640