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Designing of a hydrological rainfall-runoff scale model

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posted on 10.10.2013, 00:00 authored by E. (Edouard) Coussy
The application of a hydrological rainfall-runoff scale model helps to illustrate hydrological processes better than a theoretical example on a black board. For this reason a first version of physical hydrological scale model was designed and built. The goal will be to build a second version which it is possible to move to be used for practical lectures and for demonstrating in lectures of the first year of bachelor. The objective of the scale model is firstly to show the basic concepts of rainfall-runoff like time of concentration and to show that rainfall duration, slope and infiltration influence the shape of the hydrograph. The other aspect is to show the separation between the overland flow and the groundwater flow to see the delay between the both and the different contribution of the both in a river. Moreover, such a scale model can show basic model of rainfall-runoff relationships like rational method or unit hydrograph method or reservoir method. To realize such a scale model, the first issue was to find proper materials to show concepts that happen in real scale in days in a few minutes. The second part was to check by experiments the set-up and to discuss about results.



Luxemburg, W.; TU Delft, Faculty of Civil Engineering and Geoscience, Department of Watermanagement


TU Delft


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