Effects of irrigated parks on outdoor residential water use in a semi-arid city

Halper, Eve B., Dall'erba, Sandy, Bark, Rosalind H., Scott, Christopher A. and Yool, Stephen R. (2015) Effects of irrigated parks on outdoor residential water use in a semi-arid city. Landscape and Urban Planning, 134. pp. 210-220. ISSN 0169-2046

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Abstract

We investigate whether public park amenities act as a substitute for outdoor water use by single-family residential (SFR) households in semi-arid Tucson, AZ, USA. Specifically we account for the effects of a park's proximity, size, and greenness (measured by NDVI), as well as the presence of a public swimming pool. SFR households with and without home pools are analyzed separately. We control for SFR property attributes, including house size, age, yard size and property NDVI. Results suggest that SFR outdoor water use is influenced by the conditions of all parks within an 8. km (5. mile) street distance. We also find significant differences between the "with" and "without" home pool groups. Households with pools used more outdoor water per square meter of house, per year of house age and per unit of NDVI. Households without pools appeared to reduce outdoor use in response to nearby small parks and increased park NDVI. "With pool" households had the opposite response: they appeared to increase outdoor water use in response to these variables. However, "with pool" households did reduce their outdoor water use in response to nearby public pools. Medium and large parks were associated with increased outdoor water use for both groups. We conclude that public green space and pools can substitute for private versions of these amenities, and if well designed, can contribute to water demand management and urban sustainability. This may be an avenue for addressing water supply shortages in semi-arid cities and other areas where populations are growing but water supplies are finite.

Item Type: Article
Additional Information: Funding Information: This work was supported by the Technology and Research Initiative Fund through the University of Arizona Water Sustainability Program, the Pima County Regional Flood Control District, U.S. Bureau of Reclamation WaterSMART Grant No. R10AP81210 and the Inter-American Institute for Global Change Research (project SGP-CRA #005, supported by the National Science Foundation, NSF Grant No. GEO-1138881 and by NSF grant no. DEB-1010495 ). Publisher Copyright: © 2014.
Uncontrolled Keywords: green space,ndvi,parks,residential,swimming pools,water,ecology,nature and landscape conservation,management, monitoring, policy and law,sdg 11 - sustainable cities and communities ,/dk/atira/pure/subjectarea/asjc/2300/2303
Faculty \ School: Faculty of Science > School of Environmental Sciences
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Depositing User: LivePure Connector
Date Deposited: 18 Nov 2021 01:56
Last Modified: 22 Nov 2021 01:37
URI: https://ueaeprints.uea.ac.uk/id/eprint/82171
DOI: 10.1016/j.landurbplan.2014.09.005

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