Research Article
Mar 1976
Flood Estimation from Short Records
Publication: Journal of the Hydraulics Division
Volume 102, Issue 3
Abstract
Peak flood flows are highly correlated with the daily flows in which they occur, and this relationship is used to develop a method of extending short flood records. The frequency distribution of daily flows, estimated from daily rainfalls by a rainfall-runoff model, is used with the short flood record to estimate the long-term distribution of floods. Tests were made on 8 catchments, 67 sq miles to 505 sq miles in area, in Queensland, Australia, using 10 yr of streamflow record in each case with daily rainfalls to estimate 30 yr to 35 yr of floods. Log-normal and Log-Pearson III distributions were fitted to both estimated and actual flood series. The estimated 1 in 50 yr and 1 in 100 yr floods differed on average by less than 8% from the actual records.
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Published In
Journal of the Hydraulics Division
Volume 102 • Issue 3 • March 1976
Pages: 241 - 253
Copyright
© 1976 American Society of Civil Engineers.
History
Published in print: Mar 1976
Published online: Feb 3, 2021
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Authors
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Walter C. Boughton, M.ASCE
Exec. Engr., Queensland Irrigation and Water Supply Commission, Brisbane, Australia
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.