"SUDS-linear" to reduce flood risk considering Climate Change scenarios

Sustainable Urban Drainage Systems (SUDS) are a valid alternative to solve several urban drainage problems. Its application, generally isolated, is limited and may not be effective in solving the foreseeable increase in maximum precipitation intensities associated with Climate Change. This study analyzes, in the current situation and with projections of Climate Change, the potential benefits of applying permeable pavement in bike lanes, turning them into linear, continuous and diffuse drainage elements ("SUDS-linear"). Using a coupled hydraulic-hydrological numerical model that incorporates the infiltration capacity of a permeable pavement, and analyzing two areas of the city of Barcelona with different hazard due to pluvial flooding, the global behavior of this kind of linear SUDS was evaluated considering current precipitation scenarios and the potential effects of Climate Change. The numerical results showed a potential reduction of 90% in runoff.