Green Roofs as a Solution to Stormwater Management Issues: A Problem with October Planting in Columbus, OH
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Date
2011-12
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The Ohio State University
Abstract
As a result of widespread urban development and replacing natural vegetative surface with non-pervious pavement, the Earth’s natural water cycle is disrupted and water can no longer permeate back into the ground. This disruption forces stormwater over parking lots and city streets, into storm drains and eventually into rivers and streams. If the stormwater system is combined with wastewater lines, then a rain event will likely lead to even greater levels of dangerous contaminants to the health of people and the environment. Not only is contamination of the water an issue, but also the overwhelming quantity of water that flows into creeks during a rainstorm leads to flash flooding and bank erosion.
This research examines green roofs—vegetative surfaces on the roof of buildings—in urban environments, specifically the campus of The Ohio State University, as a solution to the overburden and pollution of stormwater runoff. Through literature review, data collection, case study and industry interviews, this honors project report discusses green roofs as a stormwater management strategy with consideration of growing climate in Columbus, OH.
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Keywords
green roof, stormwater, combined sewer overflow, plant establishment, sedum