Linking imperviousness coefficient to urbanism features through Geographical Information Systems

P. Bordin, M. Mayeux, O. Bonin & J. C. Deutsch
One of the major problems in the modeling of stormwater runoff is the determination of the rainfall excess. For very long time urban hydrologists have used the concept of run-off coefficient which gives an order of magnitude of run-off losses. In dense urban areas, the imperviousness area is used to approximate this run-off coefficient. There are two advantages to this approach: the ability to have a measured value independent from the rain event, and the...
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