The effect of land use schematization on result of surface runoff modeling with the example of Miljakovac catchment [Serbia (Serbia and Montenegro]
2005
Novkovic, A.(Gradjevinski fakultet, Beograd (Serbia and Montenegro)) | Prodanovic, D. | Despotovic, J.
Experimental catchment Miljakovac has been used in 1980-es for field studies of rainfall-runoff processes. The most accurate analysis of flow in storm sewer systems can be achieved when there is a land use map defined in details, with every single building, but that requires a lot of time for preparation of data. Standard designing procedure uses maps with zones of similar levels of urbanization. Usually, there are no data of measured rainfall and outflow events available, so the created model can be calibrated. Paper presents, that if data of measured flows are available, with calibration of percentages of different surface types (roofs, other impervious and pervious areas) in each zone, difference between simulated and measured flow can be brought to minimum. There are two groups of data about urbanization growth, assumed and exact state. This paper analyses error that is made inassumed state, and influence of more and less detailed terrain model on flow from whole catchment, also on flow iin single pipes.
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