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Journal articles on the topic 'Housing Turkey Istanbul'
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1
Özsoy, Onur, and Hasan Şahin. "Housing price determinants in Istanbul, Turkey." International Journal of Housing Markets and Analysis 2, no. 2 (May 29, 2009): 167–78. http://dx.doi.org/10.1108/17538270910963090.
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Kellekci, Ömer Lütfi, and Lale Berköz. "Mass Housing: User Satisfaction in Housing and its Environment in Istanbul, Turkey." European Journal of Housing Policy 6, no. 1 (April 2006): 77–99. http://dx.doi.org/10.1080/14616710600587654.
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Türkoğlu, H. D. "Residents' satisfaction of housing environments: the case of Istanbul, Turkey." Landscape and Urban Planning 39, no. 1 (December 1997): 55–67. http://dx.doi.org/10.1016/s0169-2046(97)00040-6.
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Yonder, Ayse. "Informal Land and Housing Markets: The Case of Istanbul, Turkey." Journal of the American Planning Association 53, no. 2 (June 30, 1987): 213–19. http://dx.doi.org/10.1080/01944368708976654.
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Coskun, Yener, and Arvydas Jadevicius. "Is there a Housing Bubble in Turkey?" Real Estate Management and Valuation 25, no. 1 (March 1, 2017): 48–73. http://dx.doi.org/10.1515/remav-2017-0003.
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Abstract There was a notable housing price inflation in aggregate/local levels in Turkey during the last few years. Although the country’s economic fundamentals remain strong, the probability of a housing bubble is a heated debate among market participants. This timely investigation brings greater clarity to whether the Turkish housing market is in a bubble. The study uses a multi-strand approach to dissect the bubble over the period of Jan. 2010 - Dec. 2014. First, monthly/annual price-to-income and monthly price-to-rent ratios are examined for the national Turkish as well as regional Istanbul, Izmir and Ankara housing markets. Second, an extended CASE and SHILLER (2003) model is applied assessing the interdependence between housing prices and a series of explanatory variables. Lastly, the Right Tail Augmented Dickey-Fuller (Rtadf) test is performed to support the overall analysis. This study finds that neither affordability ratios nor regression estimates support the existence of the bubble in Turkey.
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Markoc, Ilkim, Candan Cinar, and Qiyan Wu. "Reading housing satisfaction parameters over housing mobility in the redevelopment process: Sarigol, Istanbul, Turkey." Cogent Social Sciences 3, no. 1 (January 1, 2017): 1412915. http://dx.doi.org/10.1080/23311886.2017.1412915.
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Coskun, Yener, and Hasan Murat Ertugrul. "House price return volatility patterns in Turkey, Istanbul, Ankara and Izmir." Journal of European Real Estate Research 9, no. 1 (May 3, 2016): 26–51. http://dx.doi.org/10.1108/jerer-03-2015-0015.
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Purpose The purpose of this paper is to empirically analyze volatility properties of the house price returns of Turkey and Istanbul, Ankara and Izmir provinces over the period of July 2007-June 2014. Design/methodology/approach The paper uses conditional variance models, namely, ARCH, GARCH and E-GARCH. As the supportive approach for the discussions, we also use correlation analysis and qualitative inputs. Findings Empirical findings suggest several points. First, city/country-level house price return volatility series display volatility clustering pattern and therefore volatilities in house price returns are time varying. Second, it seems that there were high (excess) and stable volatility periods during observation term. Third, a significant economic event may change country/city-level volatilities. In this context, the biggest and relatively persistent shock was the lagged negative shocks of global financial crisis. More importantly, short-lived political/economic shocks have not significant impacts on house price return volatilities in Turkey, Istanbul, Ankara and Izmir. Fourth, however, house price return volatilities differ across geographic areas, volatility series may show some co-movement pattern. Fifth, volatility comparison across cities reveal that Izmir shows more excess volatility cases, Ankara recorded the highest volatility point and Istanbul and national series show lower and insignificant volatilities. Research limitations/implications The study uses maximum available data and focuses on some house price return volatility patterns. The first implication of the findings is that micro/macro dimensions of house price return volatilities should be carefully analyzed to forecast upside/downside risks of house price returns. Second, defined volatility clustering pattern implies that rate of return of housing investment may show specific patterns in some periods and volatile periods may result in some large losses in the returns. Third, model results generally suggest that however data constraint is a major problem, market participants should analyze regional idiosyncrasies during their decision-making in housing portfolio management. Fourth, because house prices are not sensitive to relatively less structural shocks, housing may represent long-term investment instrument if it provides satisfactory hedging from inflation. Originality/value The evidences and implications would be useful for housing market participants aiming to manage/use externalities of housing price movements. From a practical contribution perspective, the study provides a tool that will allow measuring first time of the return volatility patterns of house prices in Turkey and her three biggest provinces. Local level analysis for Istanbul, Ankara and Izmir provinces, as the globally fastest growing cities, would be found specifically interesting by international researchers and practitioner.
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Gülter, Hamza, and Eyup Basti. "The housing finance system in Turkey." International Journal of Housing Markets and Analysis 7, no. 3 (July 29, 2014): 363–82. http://dx.doi.org/10.1108/ijhma-01-2013-0001.
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Purpose – The purpose of this paper is to review the housing sector of Turkey and present the housing development strategies developed by government enterprises for the urban poor in Turkey as successful examples. Design/methodology/approach – The methodology of the paper is descriptive. First of all, the literature on housing finance systems and sources of housing finance are stated. Then, the paper reviews housing finance systems applied in Turkey in the past to solve housing problems. Later, it describes current housing strategy to solve housing problems of low- and middle-income groups and also presents this strategy as a successful model to other countries. Moreover, mortgage law and the current situation of the Turkish housing sector are discussed within the study. Findings – As a result of economic normalization achieved after 2002, mortgage loans extended by commercial banks have increased in Turkey. Besides, governmental institutions, such as Housing Development Administration of Turkey (HDAT) and Istanbul Public Housing Corporation (KIPTAS), apply very extensive projects to allow low- and middle-income groups to have their dwellings. In 2007, the Turkish Parliament enacted mortgage law and defined rules and actors of the mortgage sector. However, as a consequence of economic deterioration in the world economy, mortgage loan receivables-backed securities could not be issued to public yet. Public issuance of mortgage loan receivables-backed securities in the future are expected to direct more long-term funds to the housing sector and also to provide an additional investment instrument for the individual and institutional investors. Originality/value – The housing production and finance models developed by the HDAT and KIPTAS can be good models for the solution of housing problems of urban poor in other countries.
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ALKAY, Elif. "HOUSING CHOICE STRUCTURE: EXAMPLES OF TWO DIFFERENT-SIZE CITIES FROM TURKEY." International Journal of Strategic Property Management 19, no. 2 (June 19, 2015): 123–36. http://dx.doi.org/10.3846/1648715x.2015.1029563.
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The distribution pattern of housing in any urban area will be extremely diverse and heterogeneous. The shape of this pattern depends on intrinsic properties of the housing units themselves as well as on accessibility, environmental quality and the capacity and quality of previously constructed housing stock. How do households make their choices and distribute themselves among such diverse housing areas? The aim of this investigation is to put the factors that could define the choice structure of households by focusing on two different-size cities in Turkey: the Istanbul Metropolitan Area (IMA), where the housing choice is expected to dependent upon economic behavior of households, and Bandırma (BND), a medium-size city, where the housing market is relatively weaker and the choice structure is expected to dependent upon the limited opportunities of supply. The investigation results show that households’ socio-economic characteristics dominate the choice structure in the IMA parallel to the expectation. Housing properties have a more notable impact on the choice structure in BND that acknowledged the relative limitation of the housing market.
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Turgut, Hülya. "Urban Dynamics and Transformations and Their Impact on Urban Housing: The Case of Istanbul." Open House International 35, no. 4 (December 1, 2010): 76–84. http://dx.doi.org/10.1108/ohi-04-2010-b0009.
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Cities throughout the world have experienced fundamental social, cultural and economic transformation in recent decades. Socio-cultural and urban identities have been transforming radically; globalization, internationalization and the rapid flow of information, as the case in the rest of the world, have played a significant role in changing cities and their people. These changing dynamics have affected continuity and development trends in urban-housing environments and housing preferences. The multidimensional outcomes of this transformation are manifest in peculiarities of activity patterns, behavioral relationships, and socio-cultural norms, as well as in architectural and urban configurations. These rapid economic and social changes demand continual redefinition of urbanization and housing concerns. Therefore, the main aim of the article that based on ongoing research is to examine implications of urban and architectural transformations in Istanbul with the subjects of economical, cultural and political conditions. Based on these above arguments, article aims to analyze and discuss the relationship between urban dynamics and new housing developments in Istanbul in the context of transformation process. The article, which consists of five sections, has three sections besides the introduction and conclusion. In the first two part a theoretical framework is established, explaining and discussing culture, continuity and change in the process of urbanization. The second part includes the latest housing trends in Istanbul with the subjects of economical, cultural and political conditions that Turkey is already in and related. The third part examines the emerging patterns of social and cultural differentiation in Istanbul through the examples of the exclusive suburbs At the end, we argue that recent housing projects and trends represent new forms of organizing social and cultural differences, and could be read as urban forms, which create segregation and reproduce inequalities while transforming the character of public life.
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Akcan, Esra. "Translations in Architecture." International Journal of Middle East Studies 45, no. 3 (July 30, 2013): 578–80. http://dx.doi.org/10.1017/s0020743813000524.
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In a recently discovered photograph of German architect Bruno Taut's retrospective exhibition at the Istanbul Academy of Fine Arts, which opened on 4 June 1938, Taut in-exile stands with Erica Taut and his assistant Şinasi Lugal in front of a display (see Figure 1). What interests me in this image is not so much the frontal figures who posed for it as the documentary value of the exhibit in the background, the photographs inside the photograph. These images display Taut's Siedlungen (residential settlements/collective housing projects), designed and constructed as part of the Berlin Housing Program (1924–33) just before Taut was exiled from Germany due to the rise of National Socialism. After stays in Russia and Japan, Taut moved to Turkey, where he became head of the Architecture Department at the Istanbul Academy. Through a seminar and a studio he taught on Siedlung, he participated in a translation of the idea of collective housing that would shape the discursive space and practice of architecture in Turkey for decades to come. Most of the images in the exhibition were taken by the now-famous photographer Arthur Köster. The exhibit bears witness to the fact that Turkish architects were exposed not only to the influential Siedlungen of the Weimar period in Germany but also to their soon-to-be canonical photographs earlier than most of their colleagues around the world.
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Alexander, Gül Neşe Doğusan. "Caught between Aspiration and Actuality:." Journal of the Society of Architectural Historians 76, no. 3 (September 1, 2017): 349–66. http://dx.doi.org/10.1525/jsah.2017.76.3.349.
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The Turkish government promoted the building of housing cooperatives as a social housing program beginning in the second half of the 1930s. While these cooperatives received government aid, they did not produce affordable housing for lower-income groups. Instead, they provided fashionable modern houses to middle- and high-income homeowners. In architectural journals, these new houses were understood and critiqued as exemplars of a specifically Turkish modern style, rather than as pragmatic solutions to a housing crisis. Caught between Aspiration and Actuality: The Etiler Housing Cooperative and the Production of Housing in Turkey analyzes the transformation of housing cooperatives from a social housing program into a method to enable middle-class homeownership by examining the story of the Etiler Housing Cooperative, built between 1952 and 1957 in Istanbul. Gül Neşe Doğusan Alexander follows the story of Etiler through a detailed examination of laws, parliamentary minutes, popular media, professional publications on architecture, maps, and other published materials.
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Gökmen, Gülçin Pulat, Yurdanur Dülgeroglu Yüksel, Fatma Erkök, Yasemin Alkiser, and Berna Keskin. "Evaluating and Reducing Earthquake Risks of Squatter Settlements in Istanbul." Open House International 31, no. 1 (March 1, 2006): 116–24. http://dx.doi.org/10.1108/ohi-01-2006-b0014.
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In Turkey, the process of squatterisation can best be traced to the increase in its urban population from 24 percent in 1950 to 59 percent in 2000. In the periods up to the present, the prevention, improvement and renewal of squatter settlements were not achieved within the existing legal framework and planning structure; and their urban quality has been degraded. The aim of this article is to discuss the upgrading of squatter settlements through a mitigation process considering the possibility of an earthquake in Istanbul. The target groups of this upgrading study are the squatter dwellers and their settlements. In getting prepared for the predicted big Istanbul earthquake, the improvement of squatter housing is extremely important for the existing urban housing stock. With this aim, the undesirable consequences of a possible natural disaster in various squatter settlements in Istanbul were scrutinised. Also, earthquake-forecasting reports were analysed in conjunction with squatter maps to extract data for the purpose of upgrading squatter settlements through rehabilitation, reconstruction and reinforcement at the urban and architectural levels with amelioration of damage after an earthquake. In the article, a model is proposed which includes measures to transform squatter zones into healthy areas by means of simple reinforcement and contemporary solutions. This article is based on a research project requested and sponsored by the Istanbul Metropolitan Municipality during 2003-2004.
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Cengiz, Elif Can, and Hüseyin Murat Çelik. "Investigation of the impact of railways on housing values; the case of Istanbul, Turkey." International Journal of Transport Development and Integration 3, no. 4 (October 17, 2019): 295–305. http://dx.doi.org/10.2495/tdi-v3-n4-295-305.
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NALÇAKAN, Meral, Şeyma KOYUNCU, Gül AĞAOĞLU ÇOBANLAR, and Zeynep ACIRLI. "CHANGING PERCEPTION OF HOUSING DURING THE COVID-19 PANDEMIC: EVALUATIONS OF INTERIOR ARCHITECTURE STUDENTS." INTERNATIONAL REFEREED JOURNAL OF DESIGN AND ARCHITECTURE, no. 23 (2021): 0. http://dx.doi.org/10.17365/tmd.2021.turkey.23.05.
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Aim: Pandemics have posed a threat to people and affected life throughout history. This study focuses on the experiences of the third and fourth year students of the Department of Interior Architecture and the common use area stakeholders regarding the pre-Covid-19 pandemic and the pandemic process. The aim of the study is to observe whether the future designers' awareness of the changing spatial usage priorities of the house, the spatial problems that arise at different scales, and their professional sensitivities and predictions for the future of housing design. Method: Online face-to-face interviews were conducted with 25 participants selected from among the third and fourth year students of Eskişehir Technical University, Istanbul Technical University, Mimar Sinan Fine Arts University, Marmara University and Hacettepe University Interior Architecture Departments. Case study, one of the qualitative research methods, was used in the study. All data collected through interviews and sketches were evaluated with descriptive analysis and five themes were created. Findings: In line with the opinions of the participants, it was understood that they saw the house as a "home" or "shelter" to which they were attached with a sense of belonging and trust. In addition, it has been observed that they need to reconsider the elements that affect the housing design and the relations with the immediate environment in a different way. Conclusion: It was concluded that the awareness of the interior architecture students, who are the designers of the future, about the changing spatial relations in the house, the spatial problems that emerged during the pandemic process, and their professional sensitivities and predictions for the future of housing design.
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Serin, Bilge, Harry Smith, and Chris McWilliams. "The role of the state in the commodification of urban space: The case of branded housing projects, Istanbul." European Urban and Regional Studies 27, no. 4 (June 10, 2020): 342–58. http://dx.doi.org/10.1177/0969776420920921.
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Globally, cities have been experiencing neoliberal urbanization processes since the 1970s, while also contributing to the production of the neoliberal condition per se. The neoliberal state plays a core role in such processes, which have deepened the commodification of urban space via various mechanisms such as the privatization of public land and key urban infrastructure. This article critically investigates the direct involvement of the neoliberal state in the commodification of urban space by focusing on its triple role as a restructuring mechanism, a land developer and a volume housing developer in Turkey. The research develops and applies a theoretical framework based on Lefebvre’s production of space and Gramsci’s theory of hegemony. The paper examines the development of branded housing projects, which are private neighbourhoods, by analysing national legislative and organizational changes leading to the production of this type of development and illustrates this using four example projects in Istanbul. The paper contributes to the international evidence of the variegated characteristics of the neoliberal state in relation to urban development, and the neoliberal state’s role in the accumulation of capital in contemporary capitalism.
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Saglamer, Gülsün, Selim Velioglu, Handan Dülger Türkoglu, Atilla Dikbas, Gülden Erkut, and Özlem Berk. "Reconstruction of Satisfactory and Culturally Appropriate Neighbourhoods in Turkey." Open House International 31, no. 1 (March 1, 2006): 47–53. http://dx.doi.org/10.1108/ohi-01-2006-b0006.
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In the year 2000, a team from Istanbul Technical University (ITU) developed the “Urban m3 - Respect for Life Project”, which was aimed at providing shelter for those people who were left homeless as a consequence of the earthquake in 1999, in the districts of Arizli-Kocaeli in Turkey. This earthquake had a catastrophic effect on one of the most densely populated and industrial regions of Turkey whose population accounts about 20 percent of Turkey's total population. In addition to providing shelter, the major objective of this project was to re-establish those humanistic and natural values that had been lost or obscured in respect of the traditional, Turkish life-style and culture, as a result of the rapid urban-isation which took place after the 1950s. In 2000, research was conducted to evaluate the prospective residents' preferences in respect of their future housing and its environment needs. For this purpose, 400 people, who had been living in temporary housing in the area affected by the earthquake, were the target group of an in-depth survey. The main objective of the study was to determine whether the prospective residents' perceptions and evaluations matched the project designed by the ITU's team. It was assumed within the project planning and design that people would prefer the socially, and physically rich environment offered by the project. Based on the research findings, the ideology, philosophy and concepts underlying the “Urban m3 - Respect for Life Project” could be evaluated as an altenative design approach, which provides not only environmental protection and disaster mitigation, but also a high level of socio-cultural satisfaction. Thus, the paper suggests strategies for improved post-disaster (re-)construction.
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ZORER GEDİK, Gülay, Neşe YÜĞRÜK AKDAĞ, Fatih KİRAZ, Bekir ŞENER, and Raşide ÇAÇAN. "EVALUATION OF MASS HOUSING SETTLEMENTS IN TERMS OF WIND AND NOISE CONTROL: ISTANBUL AND DIYARBAKIR AS A CASE." Journal of Environmental Engineering and Landscape Management 25, no. 4 (December 21, 2017): 389–401. http://dx.doi.org/10.3846/16486897.2017.1284667.
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In mass housing apartments, the comfort and quality of living conditions may be adversely affected by wind and noise especially on balconies, terraces, gardens and around swimming pools etc. The quantitative and empirical testing of building models according to physical conditions with regard to wind and noise parameters directly affects the formation of buildings in the design process. In this paper, two cities (Istanbul and Diyabakır), which are selected from two different climatic zones in Turkey are considered as examples to create maximum comfortable usage areas depending on wind and noise effects. For mass housing settlement scenarios, common comfortable areas in terms of wind and noise were determined by using Urbawind and soundplan softwares. The relevant data and acceptance criteria related to wind and noise and applied procedure are presented in the work. Performed studies show, if the settlements have dominant wind and noise directions, it is possible to find solutions using the geometric properties of the settlement in terms of wind and noise. In general, better comfort results appear in alternatives with L-C-U shaped design features rather than point-type and linear block layouts.
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Yagmur, N., E. Erten, and N. Musaoglu. "HOW TO START GENTRIFICATION PROCESS USING INTERFEROMETRIC STACK OF SENTINEL-1." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B3-2021 (June 28, 2021): 183–88. http://dx.doi.org/10.5194/isprs-archives-xliii-b3-2021-183-2021.
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Abstract. In Turkey, gentrification has gained importance in the major cities such as Istanbul because of the rapid urbanization. The establishment of the construction land suitability is one of the main issues raised here. However, it is not easy to start gentrification process in Istanbul where there is a developing transportation and already dense housing. Up-to-date structural health information is then required for an optimum gentrification process. The traditional way of obtaining the structural health conditions on building is generally with the stationary measurements. However, in-situ based information can only provide a small amount of information, and it is impossible to conduct for the entire city. In this context, remotely sensed images, specifically synthetic aperture radar (SAR) ones, can easily provide data to monitor not only ground subsidence but also deformation on the urban sites. The main purpose of the study is to monitor the actual condition of the urbanization on unsuitable and important sites and to guide in determining pioneer areas for gentrification process using freely available remote sensing images, in particular Sentinel-1 SAR images. The potential of these data set will be evaluated with the land suitability map (LSM) produced by The Istanbul Metropolitan Municipality (IMM). In this study, we carried out multi-scale interferometric analysis to understand the spatial relationship between the LSM and the freely available satellite-based measurements for detecting urban sites in danger. The capability and usability of PSI and SBAS methods as a guide before gentrification were investigated using Sentinel-1 data covering 2015 and 2018 years.
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Smyth, Andrew W., Gülay Altay, George Deodatis, Mustafa Erdik, Guillermo Franco, Polat Gülkan, Howard Kunreuther, et al. "Probabilistic Benefit-Cost Analysis for Earthquake Damage Mitigation: Evaluating Measures for Apartment Houses in Turkey." Earthquake Spectra 20, no. 1 (February 2004): 171–203. http://dx.doi.org/10.1193/1.1649937.
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In the wake of the 1999 earthquake destruction in Turkey, the urgent need has arisen to evaluate the benefits of loss mitigation measures that could be undertaken to strengthen the existing housing stock. In this study, a benefit-cost analysis methodology is introduced for the comparative evaluation of several seismic retrofitting measures applied to a representative apartment building located in Istanbul. The analysis is performed probabilistically through the development of fragility curves of the structure in its different retrofitted configurations. By incorporating the probabilistic seismic hazard for the region, expected direct losses can be estimated for arbitrary time horizons. By establishing realistic cost estimates of the retrofitting schemes and costs of direct losses, one can then estimate the net present value of the various retrofitting measures. The analysis in this work implies that, even when considering only direct losses, all of the retrofitting measures considered are desirable for all but the very shortest time horizons. This conclusion is valid for a wide range of estimates regarding costs of mitigation, discount rates, number of fatalities, and cost of human life. The general methodology developed here for a single building can be extended to an entire region by incorporating additional structural types, soil types, retrofitting measures, more precise space- and time-dependent seismic hazard estimates, etc. It is hoped that this work can serve as a benchmark for more realistic and systematic benefit-cost analyses for earthquake damage mitigation.
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Guven, Huseyin, and Aysegul Tanik. "Water-energy nexus." Smart and Sustainable Built Environment 9, no. 1 (August 14, 2018): 54–70. http://dx.doi.org/10.1108/sasbe-07-2017-0030.
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Purpose Rough estimations of water gain through greywater reuse and rainwater harvesting together with energy recovery from wastewater generated from a fictitious eco-city of population 100,000 located in Istanbul, Turkey form the main framework of the study. As such, the highly important concept of water–energy nexus will be emphasised and domestic wastewater will be partly considered for water recycling and the rest for energy recovery. The paper aims to discuss these issues. Design/methodology/approach Distribution of daily domestic water consumption among different household uses and the population in the residential area are the two governing parameters in the practical calculation of daily wastewater generated. Therefore, domestic wastewater will be initially estimated based on population, and in turn, the amount of greywater will be found from the per cent distribution of water use. After segregation of greywater, the energy equivalency of the rest of the wastewater, known as blackwater, will further be calculated. Besides, the long-term average precipitation data of the geographical location (Istanbul) are used in determining safe and sound rainwater harvesting. Harvesting is considered to be only from the roofs of the houses; therefore, surface area of the roofs is directly taken from an actual residential site in Turkey, housing the same population which is constructed in four stages. Similarly, the fictitious eco-city in Istanbul is assumed to be constructed in a stage-wise manner to resemble real conditions. Findings The water consumption of the fictitious eco-city ABC is considered as 15,000 m3/day by taking the unit water consumption 150 L/capita.day. Therefore, total water savings through on-site reuse and reuse as irrigation water (9,963 m3/day) will reduce water consumption by 64 per cent. Minimum 40 per cent water saving is shown to be possible by means of only greywater recycling and rainwater harvesting with a long-term average annual precipitation of 800 mm. The energy recovery from the rest of the wastewater after segregation of greywater is calculated as 15 MWh/day as electricity and heat that roughly correspond to electricity demand of 1,300 households each bearing four people. Research limitations/implications A fictitious eco-city rather than an actual one located in Istanbul is considered as the pilot area in the study. So far, an eco-city with population around 100,000 in Turkey does not exist. An important implication relates to rainwater harvesting. The amount of safe water to be gained through precipitation is subject to fluctuations within years and, thus, the amount of collected rainwater will highly depend on the geographical location of such an eco-city. Practical implications The study covering rough calculations on water savings and energy recovery from domestic wastewater will act as a guide to practitioners working on efficient water management in the eco-cities, especially in those that are planned in a developing country. Originality/value Practising water–energy nexus in an eco-city of population 100,000 regarding water savings and energy recovery from wastewater forms the originality of the study. Sustainable water use and energy recovery from wastewater are among the emerging topics in environmental science and technology. However, safe and sound applications are lacking especially in the developing countries. Guiding these countries with practical calculations on both water gain and energy recovery from wastewater (blackwater) is the value of the work done. Moreover, Istanbul is deliberately selected as a case study area for various reasons: its annual rainfall represents the worlds’ average, it is one of the most crowded megacities of the world that supply water demand from the surface water reservoirs and the megacity has not yet significantly increased wastewater reuse and recycling practices.
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Onan, Cenk, Serkan Erdem, Derya Ozkan, and Cem Baykal. "Analysis of optimum insulation thickness for external walls at different orientations based on real-time measurements." Thermal Science 24, no. 3 Part B (2020): 2035–46. http://dx.doi.org/10.2298/tsci180710311o.
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In this study, the optimum insulation thickness was calculated for the heating season for external walls in the different directions of a building. For this reason, a building used for housing in Istanbul, Turkey was taken as model. The indoor and outdoor temperatures, along with the interior and exterior surface temperatures of the building?s external walls, were continuously measured using thermocouples and recorded in four different directions throughout the year. The effects of solar radiation, which vary based on the direction, were assessed for the heat transfer through the external walls. The results of this study indicate that the optimum insulation thickness for the north, south, west, and east facing walls should be 6.47, 2.87, 6.97, and 6.98 cm, respectively, based on the differences in the amount of solar radiation exposure of the walls in the different directions. The optimum insulation thickness of the building?s external wall was calculated as 5.25 cm, regardless of its direction. An economic analysis of the thermal insulation cost was conducted using the P1-P2 method, and then the payback periods were calculated. The heating energy consumption of the building designed using the optimum insulation thicknesses, as identified separately based on the direction, decreased by 17%, compared to the present building with 3 cm of thermal insulation.
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Keskin, Berna, Richard Dunning, and Craig Watkins. "Modelling the impact of earthquake activity on real estate values: a multi-level approach." Journal of European Real Estate Research 10, no. 1 (May 2, 2017): 73–90. http://dx.doi.org/10.1108/jerer-03-2016-0014.
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Purpose This paper aims to explore the impact of a recent earthquake activity on house prices and their spatial distribution in the Istanbul housing market. Design/methodology/approach The paper uses a multi-level approach within an event study framework to model changes in the pattern of house prices in Istanbul. The model allows the isolation of the effects of earthquake risk and explores the differential impact in different submarkets in two study periods – one before (2007) and one after (2012) recent earthquake activity in the Van region, which although in Eastern Turkey served to alter the perceptions of risk through the wider geographic region. Findings The analysis shows that there are variations in the size of price discounts in submarkets resulting from the differential influence of a recent earthquake activity on perceived risk of damage. The model results show that the spatial impacts of these changes are not transmitted evenly across the study area. Rather it is clear that submarkets at the cheaper end of the market have proportionately larger negative impacts on real estate values. Research limitations/implications The robustness of the models would be enhanced by the addition of further spatial levels and larger data sets. Practical implications The methods introduced in this study can be used by real estate agents, valuers and insurance companies to help them more accurately assess the likely impacts of changes in the perceived risk of earthquake activity (or other environmental events such as flooding) on the formation of house prices in different market segments. Social implications The application of these methods is intended to inform a fairer approach to setting insurance premiums and a better basis for determining policy interventions and public investment designed to mitigate potential earthquake risk. Originality/value The paper represents an attempt to develop a novel extension of the standard use of hedonic models in event studies to investigate the impact of natural disasters on real estate values. The value of the approach is that it is able to better capture the granularity of the spatial effects of environmental events than the standard approach.
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Polat, Gul, Harun Turkoglu, and Atilla Damci. "Structural System Selection Using the Integration of Multi-Attribute-Decision-Making (MADM) Methods." Periodica Polytechnica Architecture 49, no. 1 (June 29, 2018): 38–46. http://dx.doi.org/10.3311/ppar.12670.
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A structural system carries all loads acting on the building and transfers them effectively to the soil through the foundation. Since it is the essential component of a building, selecting the most appropriate structural system is one of the critical decisions in the structural design. The design team, which consists of engineers and architects, is responsible for determining the structural system that will satisfy the owner's and end user's needs as well as the legal requirements. Due to the fact that a number of compromising and conflicting criteria may affect the structural system selection process, it is a difficult task and it should be considered as a multi-attribute-decision-making (MADM) problem. The main objective of this study is to provide the design teams with a MADM approach that will assist them in selecting the most appropriate structural system in a more objective and systematic manner. In the proposed approach, analytic hierarchy process (AHP) is used to compute the weights of the criteria and Vise Kriterijumska Optimizacija I Kompromisno Resenje (VIKOR) is employed to rank the structural system alternatives. In order to demonstrate how the proposed can be applied in a real life problem, the structural system of a housing project in Istanbul, Turkey is selected via this approach. The findings of the model were discussed with the decision making team in the studied project and they stated that the proposed approach could be easily employed as a guideline in selecting the most appropriate structural system from the managerial viewpoint. This paper is the revised version of the paper that has been published in the proceedings of the Creative Construction Conference 2018 (Polat et al., 2018).
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Mutman, Demet, and Hulya Turgut. "COLLIDING URBAN TRANSFORMATION PROCESS: THE CASE OF HISTORICAL PENINSULA, ISTANBUL." International Journal of Architectural Research: ArchNet-IJAR 12, no. 1 (March 29, 2018): 164. http://dx.doi.org/10.26687/archnet-ijar.v12i1.1369.
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Over the last three decades, the disruptive quality of urban and social restructuring processes in Turkey has been intensified by the government’s decision to embrace the concept of urban transformation as a tool to boost the Turkish economy and development. In this respect, many cities have experienced a rapid urban transformation, practicing more of a top to down approach in implementing an urban planning and design, and at the same time undervaluing the potential of a participatory process for a common future and for the improvement of the quality of social and urban life. The article examines the process of “social and spatial restructuring” for the old-city housings of the city of Istanbul, as part of a larger urban transformation phenomenon. The research comparatively analyses three different urban transformation projects from the city of Istanbul's historically valued Golden Horn area and focuses on missions, actors and roles of the projects in terms of the social and spatial restructuring phases. As all three cases in this respect reclaims an upgrading of the quality of urban environment of the historic neighbourhoods; the mission is to expose the local multidimensional structure of these transformations via comparative discussion of their potentials, capabilities and limits in respect to the dynamics of urban transformation and community participation.
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Coskun, Yener. "Measuring homeownership affordability in emergent market context: an exploratory analysis for Turkey." International Journal of Housing Markets and Analysis ahead-of-print, ahead-of-print (July 31, 2020). http://dx.doi.org/10.1108/ijhma-04-2020-0033.
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Purpose This paper aims to offer an extensive empirical case study analysis by investigating housing affordability in Turkey as a whole, and in Istanbul, Ankara and Izmir over the period of 2006 and 2017 and its sub-periods. Design/methodology/approach This paper develops a theoretically informed model to assess affordability using complementary methodologies in quantitative analysis. This study seeks to help outline the nature of the problem in aggregate level and in the cities; it also seeks to offer lessons about how to address measurement and modelling challenges in emergent market contexts by constructing aggregate-/city-level housing cost-to-income (HCI) ratio, adjusted HCI (AHCI) ratio, housing affordability index (HAI) and effective HAI sensitive to multiple calculation methodologies and alternative data set involving income distribution and poverty tranches. Findings HCI, AHCI, HAI and EHAI models generally suggest the parallel results: housing is not affordable in Turkey and in Istanbul, Ankara and Izmir except for the highest income groups. The evidence implies that besides macroeconomic instabilities, distorted interest rates and short average mortgage maturity, poverty and unequal income/wealth distributions are the main reasons of the Turkish housing affordability crisis specifically heightened in metropolitan areas such as in Istanbul. Research limitations/implications The evidence provides an insight on housing affordability problems in Turkey. However, small sample size and short observation period create a limit for generalisation of the findings. Further analysis would be required to illustrate how housing affordability changes in different cities of Turkey in a longer period. Practical implications By using empirical approaches, this paper helps to understand how serious housing affordability problems of Turkey in aggregate and urban levels. This evidence helps to explain declining ownership ratio in low-income groups and in urban areas. Reliable explanations on existing housing crisis of Turkey also help to develop affordable housing policies. Social implications Declining housing affordability and homeownership ratio may translate as the rising housing inequality and insecurity among Turkish households. Moreover, better affordability values of higher income groups suggest that existing inequality, economic/social segmentation, and hence social tension between high and low income groups, may further increase. In this respect, the authors suggest socially important policies such as reducing income/wealth inequalities and increasing affordable housing supply. Originality/value This study offers a detailed empirical case study analysis that can be used as an exemplar of how to overcome data constraints in other evolving housing market contexts. This study sets out an approach overcoming the challenges of measurement. This study also combines existing methodological approaches with the modified variables to provide a more realistic aggregate-/urban-level housing affordability picture. The authors calculated some parts of housing affordability ratio and index series using discretionary income, minimum wage and effective minimum wage to show the variations of different measurement approaches. Some constructed series are also sensitive to income distribution and poverty thresholds. Collectively, this empirical approach, developed by using emerging market data, provides a contribution to the literature.
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Bilgi, Elif Mihcioglu, and Suzan Sanli Esin. "An educational experience of urban renewal: A case study of mass housing in Kagithane, Istanbul." Global Journal on Humanities and Social Sciences, February 19, 2016. http://dx.doi.org/10.18844/gjhss.v0i0.303.
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In Istanbul, rural and urban migrations and unplanned urbanization have resulted in severe housing problems, especially for the lower and middle-income groups. Within the context of Architectural Design Studio VII for the IKU Department of Architecture, senior architecture students were encouraged to go beyond developing projects for mere educational purposes and instead discuss alternatives for residential design. A problematic residential area of 40.000 square meters in Kagithane, which has officially been designated a renewal area in Istanbul-Turkey, was selected as the case study area. Students were asked to analyse the site in terms of physical and social attributes. Each student detected and defined different sets of problems and was expected to propose an experimental, creative, new housing alternative and system. The main theme of the studio was to understand, evaluate, and improve urban life in and around the defined site. The approach of the design process followed was a contextual methodology. The aim of this paper is to evaluate and put forward different contextual approaches within the framework of this project for use in pursuing new solutions to similar global housing problems.Keywords: Architectural education, urban renewal, housing, Kagithane in Istanbul, contextual approach
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Gülhan, Sinan Tankut. "Neoliberalism and neo-dirigisme in action: The state–corporate alliance and the great housing rush of the 2000s in Istanbul, Turkey." Urban Studies, June 14, 2021, 004209802110126. http://dx.doi.org/10.1177/00420980211012618.
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This paper foregrounds the state–corporate alliance in real estate development in Istanbul since the early 2000s. Employing a geo-coded sample of 294 private housing development projects built since the early 1980s and in-depth interviews with the private development companies, the paper focuses on how the construction industry and the massive commodification of urban land produced a new state–space nexus. The underlying question here is the nascent shape of urban political-economy, the trends of housing construction, the cycles of boom and bust and the mechanisms of capital accumulation concerning the state’s centralising control over space. In this sample, a few critical aspects of the production of concrete space became apparent. Seven findings are discussed. First, the developers of Istanbul followed the clientelistic patterns in the urban built environment. The second aspect is that the state is the sole supply-side actor that determines Istanbul’s built environment. The third point in this analysis of urban development initiated by the private sector is focused on the fact that the real estate speculation is state-led. The fourth and fifth points are related to the Turkish real estate developers’ inability to procure financing for the duration of the construction process. The sixth factor in the evaluation of the private real estate sector in Istanbul is the geographical and class dispersal of active development projects. The seventh factor in understanding those real estate developers is their novel approach to marketing and advertisement and the way they employ architecture as an extension of public relations.
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GÜLER, İLKAY, and ATİLLA GÖKÇE. "YABANCILARA KONUT SATIŞI İLE KONUT BALONU İLİŞKİSİNİN GSADF SINAMALARI İLE ARAŞTIRILMASI: TÜRKİYE GENELİ VE İSTANBUL, ANTALYA İLLERİ ÖRNEĞİ." 3. SEKTÖR SOSYAL EKONOMİ DERGİSİ, 2020. http://dx.doi.org/10.15659/3.sektor-sosyal-ekonomi.20.05.1353.
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Terregrossa, Salvatore Joseph, and Mohammed Hussein Ibadi. "Combining Housing Price Forecasts Generated Separately by Hedonic and Artificial Neural Network Models." Asian Journal of Economics, Business and Accounting, February 13, 2021, 130–48. http://dx.doi.org/10.9734/ajeba/2021/v21i130345.
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Aims: A) To enhance accuracy in forecasting housing unit prices by forming combinations of component forecasts generated separately by hedonic and artificial neural network models; B) To help ascertain whether a constrained or unconstrained linear combining model achieves superior forecasting performance.
Place and Duration of the Study: Department of Business Administration, Istanbul Aydin University, Istanbul 34295, Turkey; from 2019 to 2020.
Study Design: A cross sectional data set of housing unit prices and corresponding housing unit attributes and characteristics is formed and then randomly divided into two segments: in sample (80%) and out of sample (20%). Three different methods (hedonic, artificial neural network and combining) are then employed to process the same in sample data set, and generate out of sample forecasts. The three forecasting methods are then tested and compared.
Methodology: Out of sample combination forecasts are formed with component forecast weights generated by in sample weighted least squares (WLS) regression of realized price against in sample component forecasts. Four types of regressions are run: unconstrained, with and without a constant; constrained, with and without a constant. Then the mean absolute forecast error of each forecasting method is calculated and the mean difference in absolute forecast error between all pairs of models are compared and tested with a nonparametric Wilcoxon sign rank test.
Results: The combining model formed with component forecast weights generated by weighted least squares (WLS) regression with the constant term suppressed and the sum-of-the-coefficients constrained to equal one, generally performs the best, in comparison with all other forecasting models (component and combination) examined in the study.
Conclusion: The findings represent further evidence regarding the benefits of applying constraints on the linear combining forecast model; and demonstrate that a constrained linear combining model can be a successful technique for enhancing the forecast accuracy of housing unit prices.
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Meyer, Claus K., and Sebastian Boll. "Editorial: Categorising Migrants: Standards, complexities, and politics." Anti-Trafficking Review, no. 11 (October 28, 2018). http://dx.doi.org/10.14197/atr.201218111.
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In spring 2017, New York Times correspondent Patrick Kingsley went to Turkey to cover the lives of Syrian refugees. In Istanbul, Kingsley met Abu Mohammed, a former surgeon’s assistant from Syria, who between 2015 and 2016 had helped to facilitate the passage of refugees from his home country into Greece. After narrowly escaping death in his own failed attempt to reach Europe, Mohammed had earned some USD 800,000 with ‘smuggling’ activities. He himself spoke of a ‘dirty business’, but it had also been more than just a business—the refugees whom he had helped reach Europe included relatives and even his own son.
Kingsley also met 15-year-old Syrian Ismail Alanzi, a refugee working ‘up to 11 hours a day, six days a week’ on a farm in the east of Turkey—much more than the limit set by Turkish law for someone his age. With his father unable to find employment, however, the burden of supporting the family fell upon Ismail. He earned about TRY 800 (USD 225) per month for his toil, which was little more than half of the statutory minimum wage in the country. Ismail also received permission for his family to set up a tent on the land of his employer as they struggled to find proper housing. Turkish law restricts refugees to residing in the province where they are registered, but the family had moved in search of work.