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The geomorphological unit hydrograph – a critical review
Department of Engineering Hydrology, National University of Ireland, Galway, Ireland
Abstract. The theory of the geomorphological unit hydrograph (GUH) is examined critically and it is shown that the inherent assumption that the operation of the drainage network may be modelled by a corresponding network of linear reservoirs so restricts the instantaneous unit hydrograph (IUH) shape that the effects of further restrictions, reflecting the constraints imposed by the geomorphological laws of the channel network, cannot easily be identified. Without such identification, the geomorphological unit hydrograph theory is untestable and must remain only a plausible hypothesis providing an indication of a two-parameter IUH whose shape and scale factors must still be related empirically to appropriate catchment characteristics.
Final Revised Paper (PDF, 958 KB)
Citation: Shamseldin, A. Y. and Nash, J. E.: The geomorphological unit hydrograph – a critical review, Hydrol. Earth Syst. Sci., 2, 1-8, 1998. Bibtex EndNote Reference Manager
