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CRC PUBLICATIONS |
Testing of Improved Inputs for Design Flood Estimation in South-Eastern Australia
P. I. Hill
R.G. Mein
P. E. Weinmann
Publication Type:
Technical Report
This is a publication of the initial CRC for Catchment Hydrology
CRC Program:
Flood Hydrology (Previous CRC)
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Publication Keywords:
Floods and Flooding
Design Data
Areal Reduction Factor
Frequency Analysis
Catchment Areas
Modelling (Hydrological)
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Abstract / Summary:
In common with all of the core projects of the CRC, Project Dl "Improved Loss Modem for Design Flood Estimation and Flood Forecasting" was identified and developed by industry and research representatives working together. They saw the need, and potential, for research to address the question, "How much rain becomes runoff?"
This report is related to design hydrograph estimation, in which the starting point is a (hypothetical) storm of a given level of severity. It deals with the specific problem of determining the proportion of the applied storm which becomes streadow (the remainder being 'loss'), such that the design level of severity of the resultant hydrograph is preserved.
This reports documents the testing program which was used to evaluate the new values of design losses (see CRC Report 96/5). The comparison is based on a 'before and after' approach, in which design hydrographs are generated using old and new values. The clear superiority of the new values is demonstrated in these tests.
I'd like to take this opportunity to acknowledge the efforts of Peter Hill (Project Leader) and his project team for their fine achievements in this work.
Russell Mein
Program Leader
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Centre Office:
CRC for Catchment Hydrology
Dept of Civil Engineering
Building 60
Monash University Vic 3800
Tel: +61 3 9905 2704
Fax: +61 3 9905 5033
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