Abstract
Abstract. The availability of green spaces is an important issue for urban populations worldwide, given the benefits that the green spaces provide for health, well-being, and quality of life. But urban green spaces are not always distributed equally for different population groups within cities. Latin America is the second most urbanized region of the world, but there are few published studies analysing the green space availability for different urban population groups, and less so analysing the long-term trends. This work presents an analysis of long-term availability of urban green spaces by different socioeconomic status population groups in Medellin city, Colombia, using open geospatial data and open software tools. The results indicate that disparities between different groups have been decreasing in the last years, but there are still efforts to do. Showing this kind of analysis based on open data and tools is essential as it opens the possibility for replicating it in other cities with scarce budgets.
Highlights
The characteristics of urban form influence the daily life of citizens and it is recognized as an important factor in both quality of life and environmental impact (Panagopoulos et al, 2016)
The mechanisms that explain the relationship between urban green space availability, well-being, and health are related to some environmental services of urban green areas such as decreasing air pollution, noise, and the urban heat-island effect (Meerow and Newell, 2017) as well as providing pleasant and relaxing views (Nordbø et al, 2018; Tomita et al, 2017; Wood et al, 2017)
The administrative neighbourhood boundaries were overlaid over the 1984 Landsat image to identify those neighbourhoods that were mostly built-up in that year
Summary
The characteristics of urban form influence the daily life of citizens and it is recognized as an important factor in both quality of life and environmental impact (Panagopoulos et al, 2016). The mechanisms that explain the relationship between urban green space availability, well-being, and health are related to some environmental services of urban green areas such as decreasing air pollution, noise, and the urban heat-island effect (Meerow and Newell, 2017) as well as providing pleasant and relaxing views (Nordbø et al, 2018; Tomita et al, 2017; Wood et al, 2017) These mechanisms include additional opportunities to perform physical activities and improve social engagement, as well as reduced psychological stress and depression (James et al, 2016).
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