The Role of Geographic Information Systems in Risk Analysis and Incidents and Natural Disasters Risk-Taking of Districts 3 and 6 of Tehran Municipality

Development of new analytical tools put the opportunity for planners and managers to act with a deeper understanding of disaster control and making necessary preparations. among these tools, data integration models and location-based databases (geographic information system) provide possibility to make combined results from individual information layers. The aim of this study is risk analysis and risk-taking of incidents and natural disasters using GIS. This study is an applied descriptive method. The statistical population was experts of district municipalities, executive directors, disaster management secretaries of the districts 3 and 6 of Tehran municipality and the statistical samples were from zones 2, 3 and 4 of district 3 and zones 2, 3, 4, 5 and 6 of district 6. Data was gathered from 59 samples of experts, executive directors, disaster management secretaries of districts 3 and 6 Tehran municipality through a questionnaire. Data analysis was analyzed using the correlation method. Test of the first hypothesis showed that GIS software can be used for disaster risk reduction; test of the second hypothesis showed that of quick access to GIS hardware we can achieve a detailed plan for coping with disaster; the third hypothesis showed that using data can affect risk analysis and risk-taking in natural disasters; and a test of the forth hypothesis showed that there is a correlation between the role of experts familiar with GIS and risk analysis and risk-taking of natural disasters. There was a significant correlation between using of geographic information system and risk analysis, natural disasters and incidents risk-taking.