A study on assessing the urban growth, population, and water resources of Bodrum Peninsula, Turkey

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A study on assessing the urban growth, population, and water resources of Bodrum Peninsula, Turkey Cengiz Koç & Yıldırım Bayazıt & Recep Bakış

Received: 3 June 2020 / Accepted: 3 September 2020 # Springer Nature Switzerland AG 2020

Abstract In recent years, it has been difficult to establish a supply-demand balance between urban growth, increasing population, and existing water resources in many countries. In this study, the Bodrum Peninsula, which is an important tourism center for Turkey, was examined in terms of the relationship between the urban growth of the peninsula, population projections, the need for drinking and potable water, and the availability of the existing water resources. Using the Geographic Information System, it has been determined that the urban growth of the peninsula increased by 11.36% between 1985 and 2010. Urban growth is mostly concentrated in the coastal areas where 2 houses are densely built. The population is expected to increase approximately six times between 2010 and 2060. The amount of drinking and potable water required according to the population projection is 12.38, 26.50, 69.12, and 109.50 hm3/year for 2010, 2030, 2050, and 2060 respectively. The existing water resources of the peninsula

C. Koç (*) Department of City and Regional Planning, Faculty of Architecture, Muğla Sıtkı Koçman University, Muğla, Turkey e-mail: [email protected] Y. Bayazıt Department of Civil Engineering, Faculty of Engineering, Bilecik Şeyh Edebali University, Bilecik, Turkey e-mail: [email protected] R. Bakış Department of Civil Engineering, Faculty of Engineering, Eskişehir Teknik University, Eskişehir, Turkey e-mail: [email protected]

will be able to meet the requirements until 2030. In order to meet the water needs of the peninsula until 2055, the Bozalan and Gökçeler dams located nearby as well as the Namnam dam located at mid-range to the peninsular should be built. It is not possible to meet the water needs of the peninsula in 2060 with just the near and medium distance water resources. However, by supplying water from the Akköprü dam located at a further distance, it is possible that 2060 water needs can be met. Keywords Urban growth . Population . Water requirements . Water resources . Bodrum Peninsula . Turkey

Introduction Providing urban water security is an essential requirement for many countries. There is no clearly defined and widely approved definition of urban water security. Urban water security is a multi-faceted concept and is associated with urban metabolism, ecological security, integrated urban water management, water-energy-food safety net, risk management, flexible and adaptable water concept, and cities sensitive to water (Maheshwari et al. 2016; Aboelnga et al. 2018). Urbanization is one of the most important trends of the twentyfirst century that affect global economic development, energy consumption, natural resource use, and human welfare (Brown et al. 2009; Elmqvist et al. 2013; Fitzhugh and Richter 2004; Jenerette and Larsen 2006; Lederbogen et