Spatial autocorrelation analysis of population in relation to the seismic vulnerability (Case study: city of Najaf Abad
محل انتشار: فصلنامه امداد و نجات، دوره: 8، شماره: 1
سال انتشار: 1395
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 211
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شناسه ملی سند علمی:
JR_JORAR-8-1_006
تاریخ نمایه سازی: 5 تیر 1401
چکیده مقاله:
Introduction: Earthquake is a visible and repatable natural disaster which can be felt in the geological time scale.However, lack of earthquakes does not show permanent stability in the region. More than ۹۰% of the area is located on the earthquake belt referring to the relative hazard zonation map of earthquakes in Iran. In this regard, the seismic vulnerability evaluation in different regions of the country should be a priority in the planning.
Method: In this analytical and applied research, introducing different perspectives in relation to vulnerability, firstly, spatial autocorrelation analysis (ARCGIS)is used in order to identify patterns of population distribution in the city of Najaf Abad. Then, a variety of qualitative and quantitative parameters and analytic network process (ANP) is used on the basis of multi-criteria decision approach to analyze the seismic vulnerability in Najafabad.
Findings: The results showed the presence of a cluster pattern of population distribution in the city and high population density in the central part of the city and Yazdanshahr town in the southwestern. Also, about ۳۰% of total vulnerability hazard map developed in accordance with the city's high vulnerability zone and ۳۷% of the area were with an average of vulnerability. With the implementation of the zoning map of population distribution, over ۵۱,۰۰۰ persons (at a density between ۷۰ and ۱۰۰ ones per hectare) were in high vulnerability.
Conclusion: According to new theories such as risk-crisis management, long-term goals can be achieved if the safety of the city against earthquake risk consider as an objective and comprehensive planning at all levels with emphasis on socio-economic factors.
کلیدواژه ها:
vulnerability ، hot spots index ، network analytic process ، earthquake ، Najafabad ، آسیب پذیری ، شاخص لکه های داغ ، فرایند تحلیل شبکه ، زمین لرزه ، نجف آباد
نویسندگان
سوگل فاضل
PhD student in Geography and Urban Planning, Research, Stock Research, University of Isfahan, Iran
امیر محمودزاده
President of the Engineering Institute of natural disasters Indicators Research, Department of Earthquake Engineering, Iran
مسعود تقوایی
Professor, Department of Geography and Urban Planning, School of Geographical Sciences, University of Isfahan, Iran