The role of communications in the district 6 of Tehran and vulnerability mapping vulnerability in the face of natural disasters

Introduction and objectives of the research:

 Urban passages as one of the physical elements of the city, plays a key role at the time of the occurrence, as well as after the occurrence of the earthquake, so that the managers of the crisis is one of the reasons being the lack of extensive earthquake relief timely dimension arising from the injury the passages of speech. Research is also looking for ways to explain the role of communication in the urban areas of vulnerability in the face of the crisis. On this basis, except in terms of the nature of descriptive research analytical and objective-of the type of application-development. The Statistical Society of Tehran municipality is the District 6 is based on the dating and centralization as the sample is selected.

Data field and two for a library with tools such as DEMATEL questionnaires, books, articles and different map, collect and use the EXCEL software, MATLAB, IDRISI and ARC GIS 10, are located about analysis.

The results indicates that it is a central and southern parts of the region; the passages in terms of access to the physical structure of the network of passages,-space, access to the range, access to public open spaces, wide roads (permeability), the distance from the infinite spaces of the body, fire, and medical centers, the most over the level of vulnerability can be possessed.

Of course, it is worth mentioning that the texture and density; the crowd, pressed and consists of elements present in these sectors, as well as the role of credit in the amount of vulnerabilities going up passages.