Master Degree / Yüksek Lisans Tezleri
Permanent URI for this collectionhttps://hdl.handle.net/11147/3008
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Master Thesis Impact of Urbanization on Hydrogeodynamic Systems: a Case Study: Bornova Region (i̇zmir, Turkey)(01. Izmir Institute of Technology, 2021) Öztürk, Bahadır; Baba, Alper; İşbuğa, VolkanUrbanization is one of the most critical processes affecting land and water use. Understanding urbanization and its impact on ground systems gained prominence with global climate change and population increase. This study focuses on the new city center Bornova Plain, İzmir; Turkey, used as agricultural land until the 1950s. Later, the region was opened for settlement, and excessive urbanization decreased the hydraulic conductivity of the surface area of the plain with the constructed buildings, road pavements, and other surface coverings. Effects of the land use- land cover changes on the hydrodynamic system of Bornova Plain's aquifers were investigated in three parts. Firstly, GIS-based hydrological models with two different periods (2004 and 2020) scenarios were developed with ArcSWAT for this thesis. Using SWAT models, elements of the water budget equation were determined. With SWAT Models, Recharge/Precipitation, Streamflow/Precipitation, and Baseflow/Total flow ratios were found to decrease 52%, 26.09%, and 11.86%, respectively, and Surface Runoff/Total Flow, and ET/Precipitation ratios were found to increase 20.59%, and 15.09% with urbanization increment comparing 2004 and 2020. Secondly, soil's bearing capacity changes with groundwater level changes within a year were investigated using five observation wells. Conceptual models were created for each well. Maximum of 14.82% of bearing capacity change was observed in the wells. Thirdly, PLAXIS 3D models were created to understand the effect of the groundwater level changes on pile settlements for sandy and clayey soils in the region. Conceptual models created and maximum of 12.74% settlement difference was observed for different groundwater levels.Master Thesis Urban Policies and Critical Analysis of Urban Transformation in Izmir: Yeşildere Case(Izmir Institute of Technology, 2020) Ece Kaya, Birsu; Akış, TonguçThis academic study focuses the living space of the urban poor in İzmir through the Yeşildere region. Gecekondu areas in Turkey have emerged in 1950s with the immigration of people from rural to the city who migrate for reasons such as job, education and health care to meet the housing needs of people. These areas have become against to construction law, unplanned, without infrastructure together with serious environment and health problems. Yeşildere has become a gecekondu area in order to meet the housing needs of people who migrated to İzmir between 1960-1975 due to the establishment of industrial buildings and job opportunities. In time, having stuck in the city center, some interventions and works have been started under the name of so-called "urban transformation" because of the increased value of the land and the gecekondu residents were sent to other parts of the city or mass housing in the city's peripheries. Yeşildere, besides housing the aqueducts which still remain today from the Roman and Ottoman era, is being used as a gecekondu settlement due to the accelerating industrialization in the country. In recent years, demolitions have been carried out by the local government for certain reasons and new infrastructure works have been carried out in the region. In this context, the aim of the thesis is to evaluate and criticise the historical transformations of İzmir and Yeşildere, the physical and social characteristics of the urban poor's living space, the recent interventions by local government, the urban migrations and urban transformation practices. The thesis is constructing a critical analysis on Yeşildere and aiming to support the recent literature studies through the in-depth interviews with the people in the neighbourhood. For this reason, these semi-constructed interviews were conducted during the study with the individuals who is living and already lived in Yeşildere together with the literature study.Master Thesis A New Method in the Process of Creating Urban Form: Urban Coding(Izmir Institute of Technology, 1999) Goncagül, Ertunç; Özdemir, SemahatThis study aims: to introduce the theoretical and pragmatic features of the New Urbanism. and the .Urban Coding Method.. vhich is known as the last pL1Ilning approach in an historical framework: to show that most of this approach' s design approach in an historical framework: to show that most of this approach design principles and the life style that it determines have something in common and convenient with the traditional Turkish values that we are about to lost: to prove that concerning local features, it would be adapted and take the place of conventional planning approach. In order to demonstrate it a physical comparative design sutdy was accomplished in a case study area, Karşıyaka Şemikler District. which is one of the most important and also problematic site within the Izmir Metropolitan Area. This study indicated that, New Urbanist principles can generate more desirable consequences as compared to conventional principles in the process of creating urban form provided that people approve to change their short sight and approve to be recepti ve.