The impact of blue-green infrastructure on climate resilience for hydrometerological hazards: The case of Bayraklı, İzmir
2024
Coskun Hepcan, Cigdem | Canguzel, Aybuke
Urban areas are one of the most affected systems by climate change. Blue-green infrastructure systems make significant contributions to reducing the vulnerability against climate change and disaster risks in urban areas and adapting to the climate with the ecosystem services they provide. This study aims to determine blue-green infrastructure (BGI) and their water related disaster mitigation functions in Bayraklı, İzmir. Therefore, the research question is defined as: how effective the existing BGI of Bayraklı is to handle a 100-year frequency storm. In this context, the components of BGI were defined, and their runoff were calculated by considering a 100year frequency storm event taking into account their ecological characteristics of these areas, such as vegetation, and surface permeability. The findings showed that BGI is inadequate to remove 1269857,30 m3 stormwater runoff from the city in the events of a 100–year of rainfall. Potential water retention capacity of BGI varies according to characteristics of the green infrastructure components. Based on the outcomes of the study, recommendations were presented to increase climate resilience of Bayraklı district by the existing BGI.
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