Also referred to as coastal plain outfalls, regenerative step-pool storm conveyances, and biofiltration. In one recently published study, Mayer and co-authors explored the effectiveness of a technique called regenerative stormwater conveyance (RSC for short) that triggers filtration by routing stream flow over a series of shallow pools lined with substrates of permeable sand overlying a mixture of organic materials such as wood chips. Regenerative stormwater conveyance (RSC) is an innovative approach to provide stormwater treatment, infiltration and conveyance within one system. Our findings imply that the Battle Grove RSC system is improving water quality that is sustained in downstream sites, and that RSC should be applied in other areas with potential urban runoff issues. and are considered a stormwater retrofit practice. In addition, nutrient levels were significantly lower in the creek following the RSC compared to other creeks in Chapel Hill. Significant findings after analysis of baseflow and post-storm data revealed a decrease in nutrient levels through the RSC as well as varying temperature and dissolved oxygen through the RSC system. To assess the effectiveness of stormwater control measures, we collected water quality, quantity, and flow data from five points in and around the Battle Grove RSC as well as from other creeks in Chapel Hill. The site includes five step pools that slow water flow brought in from a daylighted tributary of Battle Branch Stream that empties into a pipe connected to Battle Park creeks. Regenerative stormwater conveyance (RSC) is an open-channel, sand-filtering system composed of a series of shallow aquatic pools, riffles and weirs, native vegetation, and underlying media beds. The goals of this project are 1) to demonstrate the possibilities that Regenerative Stormwater Conveyances offer for recreating wetlands in urban environments and 2) to identify and document best practices for design of these systems. We chose the site of Battle Grove Regenerative Stormwater Conveyance (RSC) located on the University of North Carolina at Chapel Hill’s campus to study the impacts of stormwater control measures in urban locations. A variety of stormwater control measures can be implemented to aid in solving water quality and quantity issues. This increased water flow can result in flooding, erosion, and infrastructure damage as well as excess stormwater run-off transferring pollutants into streams. Greening the Hill: Analyzing UNC’s Battle Grove Regenerative Stormwater Conveyance System (2023) Undergraduates: Anna Coley, Sophia Sload, Hanna Berger, Brooke Kongmany, Claudia Sandoval, Brenda Palacios Rodriguez, Sarah DeanĪmong areas with increased urbanization, there are greater amounts of impervious surfaces that prevent stormwater from absorbing into soil, replenishing aquifers, or flowing into streams and rivers.
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