Municipalities across the United States are prioritizing green stormwater infrastructure (GSI) projects due to their potential to concurrently optimize the social, economic, and environmental benefits of the “triple bottom line”. While placement of these features is often based on biophysical variables regarding the natural and built environments, highly urbanized areas often exhibit either limited data or minimal variability in these characteristics. Using a case study of Philadelphia and building on previous work to prioritize GSI features in disadvantaged communities, this study addresses the dual concerns of the inequitable benefits of distribution and suitable site placement of GSI using a model to evaluate and integrate social variables to support decision making regarding GSI implementation. Results of this study indicate locations both suitable and optimal for the implementation of four types of GSI features: tree trenches, pervious pavement, rain gardens, and green roofs. Considerations of block-level site placement assets and liabilities are discussed, with recommendations for use of this analysis for future GSI programs.
Christman, Zachary; Meenar, Mahbubur; Mandarano, Lynn; and Hearing, Kyle, "Prioritizing Suitable Locations for Green Stormwater Infrastructure Based on Social Factors in Philadelphia" (2018). School of Earth & Environment Faculty Scholarship. 18.
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Christman, Z., Meenar, M., Mandarano, L., & Hearing, K. (2018). Prioritizing Suitable Locations for Green Stormwater Infrastructure Based on Social Factors in Philadelphia. Land 7(4), 1 - 17.