Articles | Volume 22, issue 4
https://doi.org/10.5194/hess-22-2607-2018
https://doi.org/10.5194/hess-22-2607-2018
Education and communication
 | 
02 May 2018
Education and communication |  | 02 May 2018

Demonstrating the “unit hydrograph” and flow routing processes involving active student participation – a university lecture experiment

Karsten Schulz, Reinhard Burgholzer, Daniel Klotz, Johannes Wesemann, and Mathew Herrnegger

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Cited articles

Baumgartner, A. and Liebscher, H. J.: Lehrbuch der Hydrologie, Band 1: Allgemeine Hydrologie – Quantitative Hydrologie, 2nd Edn., Gebrüder Bornträger, Berlin, Stuttgart, 1996. 
Beven, K.: Rainfall–runoff Modelling: The Primer, 2nd Edn., J. Wiley &  Sons, Ltd., Chichester, West Sussex, UK, 2012. 
Biswas, A. K.: History of hydrology, North-Holland Publishing Company, Amsterdam, London, 1970. 
Horton, R. E.: The role of infiltration in the hydrologic cycle, Trans. Am. Geophys. Union, 14, 446–460, 1933. 
Hromadka, T. V. and Whitley, R. J.: The Rational Method for Peak Flow-Rate Estimation, Water Resour. Bull., 30, 1001–1009, 1994. 
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Short summary
The unit hydrograph has been one of the most widely employed modelling techniques to predict rainfall-runoff behaviour of hydrological catchments. We developed a lecture theatre experiment including some student involvement to illustrate the principles behind this modelling technique. The experiment only uses very simple and cheap material including a set of plastic balls (representing rainfall), magnetic stripes (tacking the balls to the white board) and sieves (for ball/water gauging).