A SITE SUITABILITY ANALYSIS FOR THE CREATION OF NEW GREEN SPACE IN MARICOPA COUNTY
Geographical Information Systems
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PublisherThe University of Arizona.
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AbstractGreenspace is an area of vegetated land (grass, trees, shrubs, etc.) within an urban context. Green spaces can be community gardens, parks, common land, playing fields, and green corridors like exercise paths, rivers, and canals. Green spaces play an important role in an urban ‘ecosystem’ by providing a place for physical activity, relaxation, social interaction, community events, and so on. In high-density urban areas, green spaces can provide a place relatively free from air and noise pollution. Green spaces with water features can play a critical role in cooling cities. Maricopa County added more new residents than any county in the nation from April 1, 2020, to July 1, 2021, according to the Census Bureau. With the growth of the population and many new developments, it is important to determine the best placement for new green spaces. This analysis uses GIS processes to perform a site suitability analysis that locates potential sites for new green spaces within Maricopa County. The first part of this analysis performs a Boolean Suitability Modeling which identifies areas best suitable for new green spaces based on different criteria. The criteria for making a new green space are more suitable areas further away from existing parks, unused/undeveloped land, higher populated areas, lower income areas, and areas closer to public transportation routes. The second part of the analysis performs a weighted suitability analysis. The outcome of this project will provide a roadmap for the county to determine areas best for new green spaces and to meet the community’s needs.