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Bioretention can reduce the temperature of thermally charged stormwater runoff from an asphalt surface. In a Blacksburg, Virgina study, the average thermal pollution reduction was nearly 37 MJ/m3, although the facility was unable to consistently reduce the temperature below the threshold for natural trout waters in Virginia.

Long, Daniel L., and Randel L. Dymond. (2014). Thermal pollution mitigation in cold water stream watersheds using Bioretention. Journal of the American Water Resources Association, 50(4), 977-987.


Water quality, Bioretention

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