Urban sprawl, or the unplanned and uncontrolled spreading out of built-up areas in Zaria urban area causes problems of congestion, poor urban basic infrastructure delivery and poor urban planning. This paper analyzed the pattern and implications of urban sprawl using GIS and Remote sensing as an improved approach to analyze and explain sprawling beyond the traditional spatial or cartographic ma...

OBJECTIVE Existing research suggests that walkable environments are protective against weight gain, while sprawling neighborhoods may pose health risks. Using prospective data on displaced Hurricane Katrina survivors, we provide the first natural experimental data on sprawl and body mass index (BMI). METHODS The analysis uses prospectively collected pre- (2003-2005) and post-hurricane (2006-2...

Reconciling competing desires to build urban models that can be simple and complicated is something of a grand challenge for urban simulation. It also prompts difficulties in many urban policy situations, such as urban sprawl, where simple, actionable ideas may need to be considered in the context of the messily complex and complicated urban processes and phenomena that work within cities. In t...

This research examines whether urban form indicators are useful predictors of family-engaged active leisure among U.S. population. The study sample includes 23,759 adult respondents from the 2003-2008 American Time Use Survey who lived with family members in 326 metropolitan counties. Urban form is measured at the county level by two methods: one uses the remotely-sensed nighttime satellite ima...

This paper develops a set of quantitative variables to characterise urban forms at the metropolitan level and, in particular, to distinguish compactness from ‘sprawl’. It first reviews and analyses past research on the definitions of urban form, compactness and sprawl, and corresponding quantitative variables. Four quantitative variables are developed to measure four dimensions of urban form at...

The concentration of people in densely populated urban areas, especially in developing countries, calls for the use of monitoring systems like remote sensing. Such systems along with spatial analysis techniques like digital image processing and geographical information system (GIS) can be used for the monitoring and planning purposes as these enable the reporting of overall sprawl at a detailed...

different projects. Individually, one person’s sprawl may be another person’s beloved “move up” to a new home or new job. The nature of sprawl strongly reflects the psychology of the individual. It proceeds at a “just one more won’t matter” rate that is difficult to address at the time approval for each project is given. Additionally, the costs of sprawl are perceived to be physical or monetary...

BACKGROUND Urban sprawl has the potential to influence cancer mortality via direct and indirect effects on obesity, access to health services, physical activity, transportation choices and other correlates of sprawl and urbanization. METHODS This paper presents a cross-sectional analysis of associations between urban sprawl and cancer mortality in urban and suburban counties of the United Sta...