Relative accuracy of log pearson III procedures

James R. Wallis, Eric F. Wood

Research output: Contribution to journalArticle

82 Scopus citations

Abstract

The U.S. Water Resources Council (WRC) has suggested that the log-Pearson III distribution, fitted by the method of moments, should be used in flood frequency analysis. A Monte Carlo simulation assessment of the WRC procedures shows that the flood quantile estimates obtainable by these procedures are poorer than those obtainable by using an index flood type approach with either a generalized extreme value distribution or a Wakeby distribution fitted by probability weighted moments. It is suggested that the justification for using the WRC Bulletin 17B guidelines is in need of reevaluation.

Original languageEnglish (US)
Pages (from-to)1043-1056
Number of pages14
JournalJournal of Hydraulic Engineering
Volume111
Issue number7
DOIs
StatePublished - Jan 1 1985

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Water Science and Technology
  • Mechanical Engineering

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