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- Title
Modelling the effects of hillslope-channel coupling on catchment hydrological response.
- Authors
Michaelides, Katerina; Wainwright, John
- Abstract
Focuses on a new two-dimensional hydrological model has been developed that accounts for dynamic interactions between hillslope and channel flows. How the model is specifically designed for semi-arid areas dominated by Hortonian overland flow, and has a dynamically active channel belt; Role of topographic linkages, surface characteristics and rainfall characteristics on catchment hydrological response; Sensitivity analyses suggesting that hillslopes are more sensitive than floodplains to all parameters except surface roughness; Spatial sensitivity analysis suggesting that sensitivity to the spatial variability of infiltration decreases with an increase in the magnitude of the runoff event; Impact of output discharge at the catchment outlet on the spatial variability of infiltration; View that rainfall intensity is an important factor in controlling the overall coupling characteristics; Discussion of catchment runoff production.
- Subjects
HYDROLOGICAL instruments; HYDROLOGICAL research; RUNOFF; STORMWATER infiltration; RAINFALL intensity duration frequencies
- Publication
Earth Surface Processes & Landforms, 2002, Vol 27, Issue 13, p1441
- ISSN
0197-9337
- Publication type
Article
- DOI
10.1002/esp.440