جستجوی مقالات مرتبط با کلیدواژه « economic .characteristics » در نشریات گروه « علوم اجتماعی »

The development process over the past 50 years has had many positive and negative effects on urban communities around the world. One of the significant concerns is the constant increase in urban temperature called the urban heat island. The heat island is like an umbrella of air that is often located on the city or built-up areas and the temperature inside is warmer than the surrounding air. Be. In recent decades, thermal islands are expected to pose many challenges for cities. Among the issues that can be mentioned are community health, social welfare, urban infrastructure, energy demand and water resources, but it seems that this procedure is not one-sided, but these social, economic, etc This article intends to study the weather and images of LandSat-8 satellite and MODIS sensor to determine the exact location of thermal islands in the metropolis of Tehran, to overlap these images with GIS maps related to social and economic characteristics of the city. (Population density, quality of life, housing prices), to explain the formation of thermal islands as well as socio-economic developments. The results of this study show that areas ten and eleven and twelve of the metropolis of Tehran are among the main areas of the thermal islands of this city, which seems to be more evident due to the special social and economic characteristics of these areas, the distribution pattern of thermal islands.

In present paper, immigrants entered to Tehran city have been compared with immigrants entered to other regions of Tehran province in terms of selected characteristics such as demographic (e.g. age, gender, marriage status), social (e.g. literacy status, education level) and economic (e.g. activity and occupational status, occupational class). Two percent of data of Population and Housing Census of Tehran Province in 2006 was employed. Results indicated that there are substantial differences between both groups of immigrants in such characteristics. These differences can be explained based on theory of selective migration. According to this theory, selecting immigration among people is U-shaped; namely, individuals with very low or very high education and expertise do immigrate greater than those with moderate education and expertise, but people with very high education and expertise immigrate mostly to metropolitan and more developed cities and people with very low education and expertise immigrate to smaller cities and less developed regions.