The performance assessment of urban greening coupled with rainwater harvesting management in different climatic regions in Türkiye

A limited portion of the world's water resources is suitable for drinking. The continuous renewal of water through its natural cycle has led societies to explore alternative sources, such as greywater and rainwater. Given the increasing constraints on water access due to climate change, rainwater use contributes significantly to sustainable water management and conservation. The thesis investigates rainwater management strategies and water consumption across various cities in Türkiye, aiming to provide improvement-focused recommendations. The study includes Antalya, Diyarbakır, Istanbul, İzmir, Kocaeli, Malatya, and Tekirdağ, examining both consumption levels and designated 'Best Rainwater Management Practice' areas. In low-precipitation cities like Diyarbakır and İzmir, findings emphasize the need to improve efficiency and maximize rainwater use. Conversely, in high-precipitation cities such as Antalya, traditional practices are found inadequate. Therefore, this thesis recommends the use of water-efficient plant species, adoption of smart irrigation systems, installation of low-flow fixtures, and implementation of rainwater harvesting.Considering the climatic impact on consumption patterns, region-specific strategies are essential. The thesis concludes by underscoring the importance of strengthening rainwater management practices and enhancing existing policies, drawing on best practices at national and international levels to protect water resources.