Coastal Design - Extreme Sea Levels

Natural Resources Wales

This GIS dataset and supporting information providing design / extreme sea level and typical surge information around the coastline of Wales under present day conditions. This is a specialist dataset which informs on work commenced around the coast ranging from coastal flood modelling, scheme design, strategic planning and flood risk assessments. The dataset contains the following layer components:

- Extreme Sea Level Values: Extreme sea levels for a range of return periods

- Extreme Sea Level Confidence Level: Confidence intervals providing allowances for uncertainty

- Estuary Boundaries: Inland estuarine boundaries of the extreme sea levels

- Surge Shape Locations: Reference to surge shape appropriate for each Class A gauge site and where to apply it

- Tide Gauge Locations: Location of gauging stations

Attribution statement

Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved.

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