the outcomes of development of urbanization as pollution of air, water and urban environment are great threats to the health and safety of urban residents. nowadays, urban areas as centers of population and economic activities show high concentrations of pollutants; so that, inconvenient locations of irksome and pollutant jobs in metropolitans such as isfahan city have led to serious threats to...

This paper addresses urban traffic control using an optimization model for signalized areas. The paper modifies and extends a discrete time model for urban traffic networks proposed in the related literature to take into account some real aspects of traffic. The model is embedded in a real time controller that solves an optimization problem from the knowledge of some measurable inputs. Hence, t...

extended abstract 1. introduction the investigation of land cover and land use changes has been important since ancient eras and these changes mainly occur in two ways: the first types of these changes take place by the means of natural factors such as erosion, tectonic forces and floods and the second types take place by human factors. in recent years in many parts of the world, human oriented...

tehran is one of the most polluted metropolises in the world. sink capacity for absorption and assimilation of pollution is reduced generally due to failure in inclusion of ecological aspects in regional land use development planning. the present condition of air and water related issues in tehran are greatly affected by landscape structural alterations at urban level. in this research the focu...

This century is marked by rapid urbanization. Some statistics predict that the world’s urban population will reach five billion by 2030 (United Nations 2007). This rapid urbanization not only has resulted in expanded land-use, but also has led to population increases in urban areas and development-related environmental impacts. Researchers, therefore, have begun to be concerned about the relati...

The need for cooperation in the planning of metropolitan trans­ portation facilities has taken on added significance as a result of the Interstate Road Program with its emphasis on arterial improvement in urban areas. A meeting to discuss this problem more fully was held in October 1958 at Syracuse University. This meeting, the National Conference on Highways and Urban Redevelopment (more commo...

this article analyses spatial political, economic and social contexts of successful of farming and livestock development in the area of Ili river valley (AoIRV). AoIRV is located on Xinjiang Uygur Autonomous Region (XUAR), where is a vital and historical agricultural area in this region. In the Context of ‘Western Development Drive’ of China, central government enhance the support for western r...

This paper examines the inter-relationship of three major phenomena- population growth, uncontrolled urban expansion and urban development in Ado Ekiti, Nigeria. Uncontrolled urban expansion has a resultant effect on the urban development of a city whereas uncontrolled urban development is caused by uncontrolled population increase is caused by Migration. This work encapsulates how population g...