Published Resources Details

Journal Article

Author
Cordery, I.
Title
Synthetic unitgraphs for small catchments in eastern New South Wales
In
Civil Engineering Transactions
Imprint
vol. CE10, no. 1, Apr 1968, pp. 47-57
Description

Paper No.2360, presented at The Institution's 1967 Hydrology Symposium, held in Brisbane on 27th and 28th November, 1967.

The author, I. Cordery, ME StudIEAust, is a Research Fellow in the Department of Water Engineering, School of
Civil Engineering, The University of New South Wales.

[This paper was awarded the R. J. N. Franki Medal 1969]

Abstract

The need for a synthetic unitgraph procedure which may be applied with confidence to a large range of catchment types is outlined. Some of the synthetic unitgraph procedures previously developed in Australia and overseas are applied to small gauged catchments in eastern New South Wales. It is shown that synthetic unitgraphs derived by these methods provide poor estimates of the average unitgraphs for these catchments. A synthetic unitgraph procedure similar to the Clark-Johnstone method, based on the routing of a catchment time-area diagram through catchment storage is proposed. Detailed descriptions of the catchments used to develop the procedure are given. Combinations of catchment characteristics are correlated with the catchment storage factor, and with the base length of the time-area diagram. The proposed synthetic unitgraph procedure is applied to one gauged catchment not used for its derivation. The proposed procedure reproduced the average catchment unitgraph fairly closely. It is suggested that the procedure should be applicable to a large range of the catchments of up to 250 sq. miles area found in eastern New South Wales.

See also

Related Published resources

isRelated

  • Cordery, I. (Bell, F. C.; McCutchan, A. I.; Nash, J. E.; Turner, A. K.; Ward, J. K. G.), 'Synthetic unitgraphs for small catchments in eastern New South Wales (Discussion)', Civil Engineering Transactions, CE10 (1) (1968), 57-58. Details
  • 'R. J. N. Franki Prize - 1969 Award', Journal of the Institution of Engineers, Australia, 42 (1-2) (1970), N18. Details

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