Lookup NU author(s): Dr Stephen Blenkinsop,
Professor Hayley Fowler
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© 2014 American Society of Civil Engineers.Extremes of sub-daily precipitation may be associated with flash flooding, particularly in urban areas, but have been studied relatively little in the UK. This paper describes initial work on the construction of a dataset of hourly precipitation for the UK, based on three different sources of rain gauge data. Significant problems in the use of tipping bucket rain gauges for the analysis of long-term climate and climate variability are recognised and quality control procedures are described. Initial analysis reflects the different mechanisms that generate sub-daily precipitation, but in most parts of the UK, the largest totals generally occur in summer. Some significant long-term trends in mean hourly precipitation intensity are observed over the last 30 years, but few significant trends in annual maxima are detected. Significant break points in the time series are also detected and may, in some cases, suggest a shift in the precipitation regime.
Author(s): Blenkinsop S, Fowler HJ
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Second International Conference on Vulnerability and Risk Analysis and Management (ICVRAM) and the Sixth International Symposium on Uncertainty, Modeling, and Analysis (ISUMA)
Year of Conference: 2014
Online publication date: 07/07/2014
Acceptance date: 01/01/1900
Publisher: American Society of Civil Engineers (ASCE)
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