An Assessment of Green Roof Stormwater Treatment Systems for Stormwater Volume Reduction

Green roofs, which have been used for several decades in Europe, offer a unique approach to stormwater management. This paper presents hydrologic data for a specifically designed irrigated green roof stormwater treatment system. The major hypothesis is that green roof stormwater treatment systems can effectively reduce runoff volume and pollutant mass. A computer model is introduced to help with the design of these green roof stormwater treatment systems to achieve a specific stormwater retention yearly volume. This model is developed and discussed within this work as well as compared to experimental results.