SWITCH in Belo Horizonte, Brazil: infiltration and detention systems for more sustainable stormwater control in Belo Horizonte

摘要: Belo Horizonte, Brazil, is one of the demonstration cities SWITCH project. Flooding and wet weather pollution are major issues for city. Because this in Horizonte has focussed on more sustainable urban drainage systems (SUDS). Demonstrations being conducted infiltration detention devices, artificial wetlands, rainfall harvesting. This paper focuses use trenches to control runoff abate pollution. Preliminary results indicate that these devices have potential significantly mitigating suspended matter such as heavy metals originating from road surfaces.