News story

Interim national guidance non-stationary fluvial flood frequency estimation

New tools and techniques to help us detect and take account of non-stationarity in flood frequency estimation for flood scheme appraisal.

This was published under the 2019 to 2022 Johnson Conservative government

The purpose of this project was to develop new tools and techniques to help us detect and take account of non-stationarity in flood frequency estimation for flood scheme appraisal.

See our project details page for technical and summary project reports about how and when non-stationarity should be included..

You can also order a copy of the R Package (nonstat) - a collection of code, documentation and data that allow users to easily carry out complex statistical analysis - and the digital outputs from the project.

Updates to this page

Published 25 February 2021