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Flow Analysis with Wasim-eth – Model Parameter Sensitivity at Different Scales : Volume 9, Issue 9 (26/09/2006)

By Cullmann, J.

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Book Id: WPLBN0003986585
Format Type: PDF Article :
File Size: Pages 5
Reproduction Date: 2015

Title: Flow Analysis with Wasim-eth – Model Parameter Sensitivity at Different Scales : Volume 9, Issue 9 (26/09/2006)  
Author: Cullmann, J.
Volume: Vol. 9, Issue 9
Language: English
Subject: Science, Advances, Geosciences
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2006
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Mishra, V., Peters, R., & Cullmann, J. (2006). Flow Analysis with Wasim-eth – Model Parameter Sensitivity at Different Scales : Volume 9, Issue 9 (26/09/2006). Retrieved from http://www.ebooklibrary.org/


Description
Description: Institute of Hydrology and Meteorology, University of Technology, Dresden, Germany. WaSiM-ETH (Gurtz et al., 2001), a widely used water balance simulation model, is tested for its suitability to serve for flow analysis in the context of rainfall runoff modelling and flood forecasting. In this paper, special focus is on the resolution of the process domain in space as well as in time. We try to couple model runs with different calculation time steps in order to reduce the effort arising from calculating the whole flow hydrograph at the hourly time step. We aim at modelling on the daily time step for water balance purposes, switching to the hourly time step whenever high-resolution information is necessary (flood forecasting). WaSiM-ETH is used at different grid resolutions, thus we try to become clear about being able to transfer the model in spatial resolution. We further use two different approaches for the overland flow time calculation within the sub-basins of the test watershed to gain insights about the process dynamics portrayed by the model. Our findings indicate that the model is very sensitive to time and space resolution and cannot be transferred across scales without recalibration.

Summary
Flow analysis with WaSiM-ETH – model parameter sensitivity at different scales

Excerpt
AG Boden: Pedological Mapping Instructions, Federal Institute of Geosciences and Resources, Schweizerbartsche Verlagsbuchhandlung, 2005.; Beven, K.: How far can we go in distributed hydrological modelling?, Hydrol. Earth Syst. Sci., 5(1), 1–12, 2001.; Blöschl, G.: Scaling in hydrology, Hydrol. Process. (HPToday), 15, 709–711, 2001.; Dröge, W.: Flow time calculation with respect to landuse, Institute of Hydrology & Meteorology, TU-Dresden, 1–4, 2004.; Butts, M. B., Payne, J. T., Kristensen, M., and Madsen, H.: An evaluation of the impact of model structure on hydrological modelling uncertainty for streamflow simulation, J. Hydrol., 298, 242–266, 2004.; Dyck, S.: Grundlagen der Hydrologie (Principles of Hydrology), VEB Bauwesen, Berlin, 1983.; Gurtz, J., Zappa, M., Jasper, K., Lang, H., Badoux, A., Verbunt, M., and Vitvar, T.: Modelling and validation of runoff and its components in Swiss Pre-Alpine and Alpine catchments, International Workshop on runoff generation and implications for river basin modelling, Freiburg i.Br., 9–12 October 2000, Freiburger Schriften zur Hydrologie, 13, 2001.; Schulla, J. and Jasper, K.: Model description WaSiM-ETH, ETH, Zürich, 1999.

 

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