Abstract

An easy-to-use equation is presented for calculating the variance of a design flood estimated using a generalised logistic distribution with model parameters estimated using single-site analysis, as described in the UK Flood Estimation Handbook. The equation is applicable for return periods in the range 2-1000 years and for annual maximum flood series with L-skewness of -0.45 to 0.45, which is considered representative of most UK flood data and practical uses.

Original languageEnglish
JournalProceedings of the ICE - Water Management
Early online date11 Oct 2021
DOIs
Publication statusE-pub ahead of print - 11 Oct 2021

Keywords

  • floods & floodworks
  • hydrology & water resource
  • risk & probability analysis

ASJC Scopus subject areas

  • Water Science and Technology

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