Print Email Facebook Twitter The need for high resolution precipitation data to improve urban drainage modelling Title The need for high resolution precipitation data to improve urban drainage modelling Author Ten Veldhuis, J.A.E. Ochoa-Rodriguez, S. Gires, A. Van Assel, J. Ichiba, A. Kroll, S. Wang, L. Tchiguirinskaia, I. Schertzer, D. Willems, P. Faculty Civil Engineering and Geosciences Department Water Management Date 2015-12-31 Abstract In this study high resolution precipitation data are used, derived from polarimetric X-band radar at 100 m, 1 min resolution. The data are used to study the impact of different space-time resolutions of rainfall input on urban hydrodynamic modelling response for 9 storms, in 7 urban catchments. The results show that hydrodynamic response behaviour was highly sensitive to variations in rainfall space-time resolution, more strongly so for changes in temporal than in spatial resolution. Under- and overestimations of flow peaks amounted to up to 100% with respect to the original 100 m, 1 minute rainfall input. Subject rainfall space-time resolutionradar rainfallurban hydrologyurban hydrological response modelling To reference this document use: http://resolver.tudelft.nl/uuid:0dc74d8b-4c57-42b1-8020-72f0f60cf0fc Publisher IWA Source Proceedings of the 10th International Urban Drainage Modelling Conference, UMD 2015, Montreal (Canada), Sept. 20-23, 2015 Part of collection Institutional Repository Document type conference paper Rights (c) 2015 The Authors and IWA Files PDF 323618.pdf 379.67 KB Close viewer /islandora/object/uuid:0dc74d8b-4c57-42b1-8020-72f0f60cf0fc/datastream/OBJ/view