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Half price for one year. Where are Abu Dhabi’s best family beaches? Ice dancers Tessa Virtue and Scott Moir of Canada perform their short dance as part of the figure skating team event at the 2018 Winter Olympic Games at the Gangneung Ice Arena. Inside America’s first solar-powered town – but is it a vision of the future?
Will Kim Jong-un’s olive branch bear fruit? Were clogged printers to blame for Chicago’s high crime rate in the early 1990s? El Shafee Elsheikh, right, pictured as a 15-year-old with his mother Maha Elgizouli and younger brother Mahmoud, who also travelled to Syria. We rely on advertising to help fund our award-winning journalism. We urge you to turn off your ad blocker for The Telegraph website so that you can continue to access our quality content in the future. Thank you for your support. Impervious car park surfaces represent a major source of urban water pollution.
Surface deposition processes promote the build-up of solids, metals and organics. Rainfall characteristics influence the pollutant levels in car park runoff. Car park runoff management and design issues are addressed. An impact assessment approach identifies optimal pollutant mitigation treatments.
Traffic emissions contribute significantly to the build-up of diffuse pollution loads on urban surfaces with their subsequent mobilisation and direct discharge posing problems for receiving water quality. This review focuses on the impact and mitigation of solids, metals, nutrients and organic pollutants in the runoff deriving from car parks. Variabilities in the discharged pollutant levels and in the potentials for pollutant mitigation complicate an impact assessment of car park runoff. This review contributes to prioritising the treatment options which can achieve the appropriate pollutant reductions whilst conforming to the site requirements of a typical car park. By applying different treatment scenarios to the runoff from a hypothetical car park, it is shown that optimal performance, in terms of ecological benefits for the receiving water, can be achieved using a treatment train incorporating permeable paving and bioretention systems. The review identifies existing research gaps and emphasises the pertinent management practices as well as design issues which are relevant to the mitigation of car park pollution. Check if you have access through your login credentials or your institution.
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