Measuring of local emergency intervention function accesibility by using GIS: A case study on Ankara

Emergency is an event which can influence the human life ineverywhere and everytime. Human being tried to prevent emergenciesfrom past to this day. Like today emergencies will exist in the future,too. But it is possible to minimize unwanted conditions withprecautions.The emergency management has four phases. This phases areprevention, preparedness, responce and recovery. As a being one ofthese phases, the precautions in prepereadness phase exposeemergency functions. And the others are emergency interferencefunctions, fire interference units and security units.In case of an emergency in the city, it is critically important arrivingemergency area on time. So that firstly in this study, urgent emergencyinterference functions has been exposed in the local and critical timestandards of these functions has been exposed. The exposed criticaltime standards are threshold periods to prevent life casualties. Incritical time standards, early determining interference areas for fire andambulance units reveal being ready for emergencies.In the sample area of Ankara City?s accessibility and time planningstudy, timed interference areas determined according to local urgentinterference functions fire and ambulance units by use of geographicalinformation systems. In this study network analysis technique has beenused as a method.In conclusion the places which can not have benefit of accessibility aredetermined for suggestions and emergency interference suggestionsalso for whole city.