Mohsen Aghayariehir; Migat Habibyan; Mehdi Ostadiejafari; Hamed Aminishirazi
Volume 19, Issue 53 , September 2015, , Pages 25-47
Abstract
Nowadays, while there are a number of definitions have been introduced for the concept of zoning, there is no general consensus due to different disciplines adopt this term. In the field of planning, the zoning is a conscious and contemplative process to detect homogenous areas by an authority to allocate ...
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Nowadays, while there are a number of definitions have been introduced for the concept of zoning, there is no general consensus due to different disciplines adopt this term. In the field of planning, the zoning is a conscious and contemplative process to detect homogenous areas by an authority to allocate certain kinds of resources to them. Therefore, the process of zoning is an essential task to allocate and monitor the development projects for different type of territories. In this article, zoning is took into consideration from the rural transportation point of view to find what would be the homogeneous zones of rural transportation for Iran? To answer this question, an in-depth spatial analysis through the Geographical Information System (GIS) is performed with regards to a descriptive-analytical method. Based on four main indices which are fully explored in the paper (i.e., access to the link road, distance to urban hierarchical levels, rural density and land use), five homogenous distinct zones for Iran is emerged. The resulted zones which are presented on a country map would be useful for future rural transportation planning in Iran.
Hosein Panahi; parviz Mohammadzadeh; Akbari Akbari
Volume 18, Issue 50 , February 2015, , Pages 29-53
Abstract
Using integrated data and Heckman two-stage approach, this study investigates the relationship between energy demand (including electricity, petrol and natural gas) and transportation (annual consumption of gasoline by cars owners) with environmental pollution. To do so, the cost-income data for approximately ...
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Using integrated data and Heckman two-stage approach, this study investigates the relationship between energy demand (including electricity, petrol and natural gas) and transportation (annual consumption of gasoline by cars owners) with environmental pollution. To do so, the cost-income data for approximately 14000 urban households is used over the year 2009. Following estimating the demand function of energy and transportation, we have estimated the coefficients of pollution emissions originated from consumption of electricity, gas and gasoline. Then we calculated the pollution emission of these three energy careers. The results indicate that income has a positive and significant effect on consumption in all three types of energy. The results also show that the highest rate of carbon dioxide emissions associated with the electricity, and gasoline has the lowest rate of carbon dioxide diffusion. Estimating the dioxide emission in all three types of energy in Iran’s states indicates that the highest rate of CO2 diffusion belongs to Tehran Province. In contrast the three provinces named Kohgiluyeh & Boyorahmad, North Khorasan and Ilam have the lowest rate of carbon dioxide emission.
