Abstract
Hazard risk needs to consider vulnerability on human activities. Risk analysis of risk, human activities at spatial and temporal scales with existing classification of hazards and map hazard map. In this study hazard risk in urban areas could be useful through considering are used to model human activities such as population, land use and strategic situation in Zayandeh Rood Basin (Z.R.B), Iran. These human, activities are classified and combined with composite classified earthquake, desertification and dryness hazards maps to drive new spatially explicit five classes of composite map of the hazards and human activities. The obtained results show that there are significantly more people potentially at risk in Center and North of the basin at high classes of risk map. The proposed maps of human activities to hazards are mainly aimed at benefiting visualization and communication of hazards risk and can be valuable in all phases of the disaster management process where knowledge of human activities is relevant for decision making.
Highlights
According to Freire and Aubrecht, (2012), risk has several definitions and different approaches exist for its analysis and mapping
This study focuses on the three parameters of population, land use and strategic situation for evaluating distribution and risk map
Distribution of city on risk map shows that Isfahan as a large city and center of human activities is the hazard exposure
Summary
According to Freire and Aubrecht, (2012), risk has several definitions and different approaches exist for its analysis and mapping. Risk assessment without human activities parameters is not characterized (Pelling, 2004). Freire and Aubrecht, (2012) believes that assessment and mapping of social vulnerability have traditionally been overlook in favor of hazard modeling studies. According to Gibson (2010), risk is measured by several factors, including casualties (injuries, fatalities) and dollars (repair or replacement costs, loss of income or business). Risk zone refers to the human occupancy of hazard zone and human activities within the hazard area that would be potentially and directly affected by an event
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