(sub-) catchment delineation with different levels of geographical data: which effects on combined sewer overflow modelling?
Résumé
Delineation results Conclusions References Context Evaluate the effect of the spatial distribution of SUDS in urban catchment Combined Sewer Overflow impacts Case study n°3 Case study n°2 Case study n°1 available data Scenario n°1 Scenario n°2 Scenario n°3 Scenario n°4 CSO structure position, Land use maps CSO structure position, Land use maps DEM 5m x 5m CSO structure position, Land use maps Network plans CSO structure position, Land use maps, DEM 5m x 5m, Network plans CSO structure Pipes Nodes • Mimicking the network following the main roads provides a good approximation of the main branches of the network • Current results show a better estimation of total runoff volume when topography is available.
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