Research and analysis

Coastal flood boundary conditions for the UK: 2018 update

This project provides improved information and guidance on coastal flood boundary conditions.

From:
Environment Agency
Published
1 February 2011

Documents

Coastal flood boundary conditions for the UK: technical summary report

Ref: SC060064/TR6

PDF, 10.4 MB, 116 pages

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Coastal flood boundary conditions for the UK: user guide

Ref: SC060064/TR7

PDF, 1.59 MB, 35 pages

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Details

Successful risk-based flood and coastal erosion risk management requires the best available information on coastal extremes. This best practice guidance updates and replaces advice given in ‘Coastal Flood Boundary Conditions for UK Mainland and Islands. Design Sea Levels’ published in 2011.

Work was carried out in 2017 to 2018 to develop and apply improved methods to update coastal extreme sea levels using a longer data record. The locations for which extreme sea levels are provided were also extended to include Northern Ireland and some estuary locations.

The aims of the update were to provide:

  • a consistent set of extreme sea levels around the coasts of England, Wales, Scotland and Northern Ireland
  • a means of generating appropriate total storm tide curves for use with the extreme sea levels
  • best practice guidance on how to use these new datasets
Published 1 February 2011