Generally speaking the existence of metropolises, alongwith the high various business districts have led to high valume of travels to these centers.The density and separation of these centers brings about the increase and the decrease of the vehicles. The adoption of location determination strategies and that of the comunicational centers and the city activities has made the cities continue the developement process while cosidering the fairly service destribution and the spatial equalities.The goal of this research is the recognition and determination of the city spatial organization working centers and activity model and the relation of service functioning with one another so that the mono central and poly central cities can have a important effect on the destribution system and service centers and the vast changes of the citizens .The analysis method is a kind of quantity and quality one. In the quality part of that the descriptive statistics ( the geometrical presentation , graphical disparation, the centralism measures) and the Hansen Model. In the areas of planning, a great difference is seen in the levels of land uses so that the land use of higher educations in the western metropolitan city of Mashhad area is 84 percent while that of the eastern area is 3 percent. It is the same about the equipped medicinal, commercial and green space areas.Only in the areas of managerial levels  there is a relative balance. Finaly the city is devided by three areas throughwhich while considering the employment , the developement potential and distance , the land use determining rate was found out. 

Tehran metropolitan authorities have always tried to develop the most efficient model for managing Tehran metropolitan affairs. Currently, the Tehran city management model is the council-city model, according to which people elect the members of the city council by direct vote, and the Tehran City Council elects the mayor. Over the past years, and considering that the institutions and organizations in charge of managing and providing urban services have in some cases suffered from parallel work or even inconsistencies in tasks, there is a need to develop a model for integrated urban management. In this article, descriptive-analytical method has been used. This article is practical in terms of the purpose of the study. The purpose of this article is to achieve a model for integrated management of Tehran metropolis. The statistical population of this study is Tehran urban management experts for which 34 people were selected as a sample. The data collection tools of this research are interviews and questionnaires and the data have been analyzed using paired comparison and TOPSIS methods. As a result of this research, according to the identified challenges and using TOPSIS method, the efficiency of the developed research model (with the proposed name of service desk) compared to the current model of Tehran urban management has been confirmed. Also, the most important result obtained from comparative studies is that in the studied metropolises, all matters of governance and urban management are always under the command of one institution and parallel work has been avoided, which should also be considered in Tehran.

A new urbanism theory has emerged in recent decades in response to numerous urban problems of the twentieth century, with the goal of creating vibrant, compact, diverse and desirable cities in terms of work, walking, life, and transportation options. In view of the widespread acceptance of this theory among the Iranian researchers, the aim of this study is to assess the sustainability of organic and planned neighborhoods in Mashhad based on the spatial-physical indexes of new urbanism. In this regard, two neighborhoods, Rah­Ahan (organic neighborhood) and the second phase of Rezashahr (planned neighborhood) were selected. This research method is descriptive- analytical and the mixed model of AHP and GIS has been used to assess the stability of two neighborhoods. Accordingly, the Sustainability Measurement Model was used as a hierarchy in the form of 7 physical-space indicators (type of road, pedestrian width, land use, area of lots, access to the center of the neighborhood, number of floors and access to public transport) . Tthe research results show that in Rezashhar, 68.43% of neighborhood area has moderate to high stability and 31.57%  of the total of the neighborhood area is the lack of stability, and in Rah­Ahan, 70.84%  of the total of the neighborhood has moderate to high stability and 29.16% of the total of the neighborhood is lack of stability. Therefore, according to the spatial indicators of the new urbanism, the neighborhood of Reza Shahr is more unsustainable than the old neighborhood of Rah Ahan. Therefore, this study shows the richness of traditional Iranian urbanization and the superiority of old neighborhoods. So, it can be said that traditional and organic urbanization is a more appropriate basis for applying the new urbanism approach and this approach can be used in the form of urban regeneration.

Geographical studies on food categorized in five scales; global and transnational, national and regional, urban, rural and agricultural, domestic scales of food consumption and the individual as a consumer. Based on this categorization, the present study is placed within urban and domestic scales. By accepting that population of Tehran metropolis will definitely increase in future and regarding that based on systematic approach and limits to grow theory (Meadows, Randers, & Meadows, 2004), no growth in the world will continue forever. We must consider factors that limit the growth of Tehran, besides factors provoke development. One of the limiting factors is the natural and geographical potential of Tehran metropolis. For this research among qualitative methods in futures studies, we chose the scenario, because this method "make the future more real for decision makers to force new thinking and decisions". In the formulation of food consumption scenarios, due to the diversity of stakeholders, the challenges and the types of issues and ambiguities, the approach of the Global Business Network (GBN) was chosen. To analyze the key factors and identifying the key variables the structural analysis method and MickMac software was used. Based on two key variables, technology, and consumer responsibility, four scenarios were created, these are four scenarios: Smart eating scenario, McDonaldization of Society scenario, Food Geography scenario, and Community Eating scenario. In this study, four alternative food futures have been presented for Tehran. In these scenarios, both desirable and undesirable futures are clearly and accurately depicted. The geography of food scenario due to the neglect of the environmental capacities and natural and geographic potentials is the most unsustainable scenario for the future of Tehran. Without scenarios, thinking about the futures of food in Tehran is very difficult and even impossible. These scenarios can help us take into account possible futures in today's decisions. Although this article does not predict a specific future for food in Tehran, But, given the recognition and sensitivity of the events, it can be very useful for long-term decisions.

Spatial Analysis of Crimes at Different Hours of the Day, the Days of the Week, Month, and Seasons is an Effective Way to Control and Prevent Urban Crime. These analyzes give city management and other city safety officials, including law enforcement officials, the possibility to take preventive measures to eliminate or mitigate the effects of these factors in the city. The purpose of this study was to investigate the spatial analysis of theft crimes on a daily, weekly, monthly and seasonal basis in the 12th metropolitan area of Tehran. The research method in this article is descriptive-analytic. The comprehensive statistical data included the statistical blocks of 1390 in the neighborhoods of the 12th district of Tehran and the crimes related to theft in 2010. The most important statistical tests used are the Center-Medium and Oval-standard deviation tests, and from among the clustering tests, the nearest neighbor index is used to identify massive cores. The results of this study indicate that 446 crimes related to theft, Ferdowsi and Lalehzar neighborhoods, and Sa'di Baharestani have the most crimes and minorities in Kosar and Mokhtari. The pattern of distribution of crimes in the 12th region is clustered and the most important crustal focal points are formed at the intervals of the Shemiran, Iran, Baharestan - Saadi, Ferdowsi -Laleh Zar, Arg Pamenar, Imamzadeh Yahya and the Cascade. The spatial analysis of stealing crimes also suggests that the direction and extent of theft is different at different times of the day, weekdays, and on a monthly basis.

Increasing urbanization in the urbanized world has posed major challenges to the sustainability of metropolitan areas, especially in developing countries in various aspects of sustainable development, and has provided them with the prospect of unsustainable development. Excessive land use and its consequent land use changes and land cover are one of the environmental problems caused by the high concentration of population and activity in metropolitan areas. This study is an applied one in order to monitor the environmental changes caused by spatial expansion of Tehran metropolitan area by descriptive-analytical method and by using remote sensing and GIS techniques land use changes and land cover caused by spatial expansion of Tehran metropolis. Has evaluated and analyzed Tehran. The results indicate that the area of ​​land increased from 34316.1 hectares in 1365 to 68252 67.95 in 1595/6117 hectares related to changes in agricultural lands, orchards and water area. Be it. The results of the Markov Chain Model prediction of the probability of land use changes and land cover up to 1405 also indicate that land use and land cover changes will continue in favor of constructed lands. It is concluded that Tehran's metropolitan area has expanded beyond the demographic and ecological thresholds and has led to a significant structural disruption to the environment by moving toward the natural environment. Accordingly, the need to pay attention to new approaches to urban development as well as to provide decentralization scenarios can be a major step towards resolving environmental problems caused by over-spatial expansion.

 the development of sustainable urban development depends on providing relative prosperity, citizen participation and increasing social awareness for all members of society. The purpose of this paper is to measure social capital indices and its relationship with sustainable urban development in urban areas of Ahwaz. The present study is a descriptive-correlational one from a methodological point of view. From a single point of view, it is based on structural equations which has been done in Ahwaz in 2018. In this regard, library studies have been used to explain the literature and theoretical foundations and field method has been used to study the case study. Data collection tool is a researcher-made questionnaire. Structural equation modeling and confirmatory factor analysis were used to analyze the descriptive-inferential statistics data and SPSS and Amos software were used. The statistical population of the study was 384 citizens of Ahwaz city and the sampling method was random. The results of this paper showed that social capital and Sustainable Urban Development status are different between Ahwaz city areas. In other words, high social capital among the citizens of Ahwaz is a means of enhancing the sustainable urban development and structural dimensions of the city including economy, community, institutions, space and environment. The implications of this research for the strong link between social capital and sustainable urban development, the need to pay attention to the components of social capital and to adopt policies to maintain, enhance and enhance social capital to ensure sustainable urban development in the geographical area of ​​Ahvaz. It looks great.

In this regard, the main purpose of this study is to investigate the role of non-governmental organizations in improving the urban management system of Tehran metropolis in six physical, functional, social, economic, environmental and institutional dimensions. The research method was descriptive-analytical and the data collection method was documentary and survey. The research tool was a questionnaire. The statistical population of the study was the citizens of Tehran and the sample size was 383 people. The data were analyzed using T-test and confirmatory factor analysis. The results show that the level of significance in all dimensions is lower than 0.05; Therefore, according to the average scores, NGOs in Tehran have mainly played a greater role in the social and environmental dimensions and in the economic and institutional dimensions in the form of an intermediary relationship between urban management and citizens. In the framework of confirmatory factor analysis, comparison of explanatory variance by six factors showed that social, environmental, functional, physical, economic and institutional factors have the highest variance in explaining the role of factors in the urban management system of Tehran. A total of 20 main factors in explaining the role of semen were confirmed; Thus, it was found that the Samanids, given that they are in direct contact with citizens, can accurately reflect urban issues and realities to the urban management system; For this purpose, it is suggested that first, according to their different functions, the subdivisions should be classified into specialized subdivisions on various urban issues, and also their position in the urban management system should be upgraded.

Rapid urbanization causes the number of problems for citizens and urban managers, which noted the need to adopt strategies and approaches to improve the condition. In the meantime, the concept of quality of life was developed to assess the condition in cities. The quality of life as a multidimensional concept in the economic, social, physical, and other dimensions has been discussed and utilized at various levels and scales. In this research, with the aim of measuring the quality of life in informal settlements of Tabriz, survey method has been used for this purpose. It can be said that the mental attitude of quality of life dominates this research, which Satisfaction and mental opinion of the residents are the basis of work. One-sample T-test and path analysis were used to analyze the data. The results indicate that the average of all dimensions of quality of life is lower than the average, and the only socio-cultural factor is higher than the average. Also, the average total quality of life is 2.82, lower than the average, which reflects the poor quality of life in these neighborhoods. Based on path analysis, the economic dimension with 0.685 has the greatest impact on the quality of life in these neighborhoods. It can be said that any planning for these neighborhoods will be done taking into account different dimensions, in order to be effective.

Keywords: Quality of life, informal settlements, Tabriz Metropolis.

Housing design plays a crucial role in sustainable social development as cities face numerous challenges due to various changes in the physical landscape. Therefore, it is imperative to establish appropriate design indicators for residential towers. This study aims to investigate the design indicators for sustainable social development in residential towers in the metropolis of Tehran. The research method employed is descriptive-analytical and applied in nature. The statistical population for this study consists of architectural experts who are members of the Tehran Organization. According to the Engineering System Organization, the statistical population comprises 22,000 experts and members of the Tehran Engineering System Organization. The sample size was determined to be 384 individuals based on the Morgan table. The results of the Friedman test indicate that designing open spaces for art, culture, games, and entertainment in towers promotes interactions and a sense of belonging, while mitigating the negative effects of industrial life on residents. This aspect was found to have the highest weightage of 17.81. Additionally, the flexibility in tower design and overcoming structural constraints through solutions such as strip design and atrium design, along with facilitating proper access and installation of open spaces, contribute to sustainable development and enhance residents' satisfaction. This indicator obtained a weightage of 17.51. Furthermore, the effective management of towers and the design of suitable social spaces on roofs and ground floors (interactive, sports, cultural, and artistic) have a significant impact on reducing tower-related issues and promoting vitality and public participation. This indicator ranked third with a weightage of 17.42. Consequently, sustainable social development is closely linked to the design of residential towers.

In the age of knowledge, the rapid development of information and communication technology is considered as the main element to respond to the increasing urban environmental and socio-economic crises. Therefore, knowledge-based cities are cities that use technology and innovation to improve the quality of life of citizens and the efficiency of services aimed at sustainable urban development. Based on this, the current research was compiled with the aim of the impact of ICT use and capability on knowledge-based urban development. The research method is applied in terms of nature, in terms of the type of descriptive-analytical research (Structural Equation Modeling) and in terms of the type of post-event strategy. The method of data collection was library and field. The statistical population includes the experts of the Deputy of Urban Planning in 22 districts of Tehran Municipality, and the sample size was determined by targeted sampling of 220 people. Structural equation method and partial least squares approach and SmartPLS3 software were used to analyze the research data. The results indicated that the average variables of application and capability of information and communication technology and knowledge-based urban development of Tehran, along with all its components based on a 5-level spectrum, are in the range of 2.51 to 3.5, i.e., semi-stable. Also, the effect of the application and capability of information and communication technology on knowledge-based urban development has a significant coefficient greater than 1.96, and the path for the main research model is confirmed; Therefore, taking advantage of the application and ability to invest in the research and development of information and communication technology sectors can be a solution to remove the limitations of knowledge-based urban development in the metropolis of Tehran.