Developing climate resilience in aridlands using rock detention structures as green infrastructure
Sustainability
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Abstract
The potential of ecological restoration and green infrastructure has been long suggested in the literature as adaptation strategies for a changing climate, with an emphasis on revegetation and, more recently, carbon sequestration and stormwater management. Tree planting and “natural” stormwater detention structures such as bioswales, stormwater detention basins, and sediment traps are popular approaches. However, the experimental verification of performance for these investments is scarce and does not address rock detention structures specifically. This 3-year study investigates the infiltration, peak flow mitigation, and microclimate performance of a natural wash stormwater retention installation using one-rock dams in an urban park in Phoenix, Arizona, USA. Field data collected during the study do not depict change in the hydrogeomorphology. However, hydrologic modeling, using data collected from the field, portrays decreases in peak flows and increases in infiltration at the treated sites. Additionally, we observe a lengthening of microclimate cooling effects following rainfall events, as compared with the untreated sites. In this urban arid land setting, the prospect that rock detention structures themselves could reduce warming or heat effects is promising.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Developing climate resilience in aridlands using rock detention structures as green infrastructure |
| Series title | Sustainability |
| DOI | 10.3390/su132011268 |
| Volume | 13 |
| Issue | 20 |
| Year Published | 2021 |
| Language | English |
| Publisher | MDPI |
| Contributing office(s) | Arizona Water Science Center, Western Geographic Science Center |
| Description | 11268, 14 p. |
| Country | United States |
| State | Arizona |
| Google Analytic Metrics | Metrics page |