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IDENTIFYING NEIGHBORHOODS IN NEED OF GREEN INFRASTRUCTURE: A STUDY IN BUCHAREST BASED ON HEAT RISK INDEX, DEVELOPED USING GIS TECHNIQUES AND ONLINE RESOURCES
Abstract
In this article we started from the global warming trends due to climate change. These are leading to an increase in the heat risk index, particularly in areas where green infrastructure is lacking, where the population is dense and multi-storey residential buildings are dense. This is the reason why we first proposed a bibliometric study resulting from the growing interest in such analyses using GIS technology. The next step was the development of an automatic model based on specific features and its application to the Romanian capital, Bucharest, in order to identify areas in need of green infrastructure improvement, at the sector level and then at the neighborhood level. Three variables that determine the heat risk index were used: average summer surface temperature, percentage of area without tree cover and population density. The results highlight the sectors and neighborhoods of Bucharest where regeneration actions are needed. Concluding digital representations are made, related tree canopy and heat risk index for neighborhoods in Bucharest, as well as heat risk index map for prioritizing green infrastructure. This study is a good starting point for the substantiation of green infrastructure improvement policies, but also for studies to be developed at a more detailed level in the city analysis.
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References12
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