1. introduction zakeri gary (1750) found that earthquake is jolts of some places or significant portions of land to natural causes with big voices like thunder that is often accompanied by an eruption of water, fire, smog or wind. after the earthquake, building efficiency greatly reduces because of the network’s collapse and closing of paths. however, after a catastrophic disaster, communicatio...

The number of vehicles in the urban areas is rising at high pace. The critical issues are arising with the rise in the number of vehicles for the traffic analysis. The analysis of the vehicle running across the roads is usually done for the density analysis, traffic shaping and many other similar applications. The vehicle detection in the rushed areas produces the real challenge of independent ...

spatial organizations of each region are evolved through the activity of its settlement network. the formation procedure of settlement network is affected by the natural environment, social and economical structure, political and historical events. natural environment, social and economical structure of the city of talesh, have not permitted the permanent settlement and urbanism in this region....

The present paper focuses on determining the most important factors affecting urban growth in large cities of Iran through modeling and comparing the common and diverse points of urban growth obtained from other studies. For this purpose, by reviewing the theoretical concepts associated with urban growth, quantities and measurable variables are developed as proper frameworks to study the influe...

Cities are growing and encountering many changes over time due to population growth and migration. Identification and detection of these changes play important roles in urban management and sustainable development. Urban growth models are divided into two main categories: first cellular models which are further divided into experimental, dynamic, and integrated models and second vector models. ...

BACKGROUND In industrialized countries, assessment of the causal effect of physician supply on population health has yielded mixed results. Since the scope of child vaccination is an indicator of preventive health service utilization, this study investigates the correlation between vaccination coverage and pediatrician supply as a reflection of overall pediatric health during a time of increasi...

One of the principal factors that have reduced grizzly bear populations has been the creation of human access into grizzly bear habitat by roads built for resource extraction. Past studies have documented mortality and distributional changes of bears relative to roads but none have attempted to estimate the direct demographic impact of roads in terms of both survival rates, reproductive rates, ...

This study applied logistic regression to model urban growth in the Atlanta Metropolitan Area of Georgia in a GIS environment and to discover the relationship between urban growth and the driving forces. Historical land use/cover data of Atlanta were extracted from the 1987 and 1997 Landsat TM images. Multi-resolution calibration of a series of logistic regression models was conducted from 50 m...

â  the purpose of this study is investigation of relationship between population dispersion and distribution of services in urban area of yazd city. descriptive-analytic methodology was used in this study according to physical devising housing and urbanization organization. yazd city is comprised of 11urban areas, with areas of 13415 (ha) and 447259 population spatial distribution of population...