Climate Change Allowances

What are climate change allowances?

Climate change allowances are predictions of anticipated change for:
  • peak river flow
  • peak rainfall intensity
  • sea level rise
  • offshore wind speed 
  • extreme wave height


To increase resilience to flooding and coastal change, allowances for climate change should be made in any flood risk assessments.

There are allowances for different climate scenarios over different epochs, or periods of time, over the coming century. They include figures for extreme climate change scenarios.




Image from 2017 by Alan Parkinson, shared on Flickr under CC license

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