Journal
PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-ENGINEERING SUSTAINABILITY
Volume 170, Issue 4, Pages 214-224Publisher
ICE PUBLISHING
DOI: 10.1680/jensu.15.00030
Keywords
floods & floodworks; sewers & drains; weather
Funding
- UK Water industry Research
- UK Met Office as part of the Convex project (UK NERC Changing Water Cycle programme) [NE/I006680/1]
- Joint Department of Energy and Climate Change [GA01101]
- Department for Environment, Food and Rural Affairs [GA01101]
- Wolfson Foundation
- Royal Society as a Royal Society Wolfson Research Merit Award [WM140025]
- Natural Environment Research Council [NE/I006680/1] Funding Source: researchfish
- NERC [NE/I006680/1] Funding Source: UKRI
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Sewer flooding, urban surface water flooding and wet weather pollution are recognised as significant problems in the UK and elsewhere in the world, and changes in extreme rainfall arising as a consequence of climate change are likely to exacerbate these problems. This paper reports on new approaches to estimate potential future rainfall intensity changes over the UK at temporal and spatial scales that impact on urban drainage systems. The research (part of UK Water Industry Research's programme of climate change related projects) has produced estimates of rainfall intensity change over different parts of the UK using a climate analogue approach and a very high-resolution (1 center dot 5 km) climate model developed by the UK Met Office. The new estimates produced are, in general, higher than existing UK climate change allowances for rainfall intensity. Sewer flooding volumes, flooding frequency and frequency of pollution events are also investigated for one location; indicating that these incidents and flood volumes are also likely to increase in the future.
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