Optimal site selection for temporary housing after an earthquake in urban areas using multiple criteria decision making methods and GIS (a case study of municipal district 6, Tehran metropolis)
Paper Details
Optimal site selection for temporary housing after an earthquake in urban areas using multiple criteria decision making methods and GIS (a case study of municipal district 6, Tehran metropolis)
Abstract
Choosing an appropriate site for temporary housing of the population affected by natural disasters has always been among the issues that have been brought to the attention of organization and authorities responsible for crisis management. In Iran, finding a location for temporary accommodation of citizens is usually conducted by aid agencies regardless of the standards and in an experimental manner after the events. It is clear that inappropriate site selection might end in a disaster even worse than the initial one. Having explored the site-selection criteria for temporary housing after a probable earthquake in district 6 of Tehran, in the present study we try to review the crisis management steps in an earthquake stricken area, and provide some guidelines for choosing suitable locations for temporary housing of people affected by earthquake in Tehran metropolis. In general, site selection and placement of temporary housing areas is a complex subject that is a function of multiple criteria and variables. Therefore, given the technical features of multi-criteria decision making (MCDM) we acknowledge that making use of such methods to determine and measure the importance coefficients of criteria and indices effective in location of activities is regarded as one of the appropriate methods. Given the high construction and population density in the Tehran, particularly Municipal District No.6 of Tehran, it is necessary to conduct accurate studies and planning to minimize the damage and injuries caused by natural disasters and cataclysmic events. Using some indices (including accessibility, proximity to service centers, land use area, proximity to faults, etc.), and TOPSIS method, the present paper has discussed the optimal site selection method for temporary housing areas in Municipal DistrictNo.6 of Tehran. The research findings show that despite inadequate areas suitable for temporary housing, subway stations and land uses such as parks and green spaces are of high priority for accommodation of the victims after a cataclysmic event in District No.6 of Tehran.
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