Towards the new types of representation in urban planning: the spatial distribution of commercial activities in Istanbul, historical and geographical analysis

This study, through the case of Istanbul, investigates the new types of representation forms in urban planning towards 21st century via the spatial development process of commercial activities. In the whole world, there are essential changes in the area of science and technology since 1980s; new quests are emerging in the comprehension and explanation forms of the world. The globalization process pioneers the new economical, social, spatial structure, which arises as an extension of this change. Within this thesis, in order to understand the global city and city centers, various approaches are explored in a detailed fashion, which are developed during the globalization process in the service and industry geography, and the new urban structure is discussed which emerges over the multi-centered structural transformation processes in the urban region and metropolitan area.
Tracks of this new structure in the world are investigated on the İstanbul’s commercial landscape, the changes in the sectoral structure and commercial spatial distribution are explored in the direction of globalization trends in the Istanbul metrolitan area by studying with the distinctive analytical database prepared by the author regarding the Istanbul’s commercial landscape. In this research, the sectoral profile of Istanbul is determined in district level according to Turkstat’s 1992 and 2002 data and Istanbul’s commercial landscape is analyzed in district, neighbourhood and street level via 165 thousand records which has been registered to Istanbul Chamber of Commerce (ICC) between the years 1925 and 2006. In these analyses, a relational layered model with high illustrative grade is used that allows to read big databases in cognitive perception level. This thesis differs from the former studies in the new methods utilized in the model as correspondance analysis, maps and bertin tables.
Eventually, apart from the deductions intended for Istanbul’s commercial landscape, with the effect of scientific changes experienced in the urban planning studies, the fact of how a new urban research program should become is demonstrated based on Istanbul’s commercial geography.

BIO | Gülsen Yılmaz is an urban planner of The Turkish Ministry of Environment and Urbanization and Part time instructor of Faculty of Architecture of Department of City and Regional Planning at Gazi University. She holds Ph.D. degree in City and Regional Planning from Gazi University and M.Sc. degree in City Planning in Middle East Technical University in Ankara and an undergraduate degree in City and Regional Planning from the Selçuk University in Konya/Turkey.
Before coming to Ministry of Environment and Urbanization in 2010, she served on the faculty at the Gazi University for ten years with research and teaching responsibilities in Gazi University.


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