Comparative comparison and leveling of physical-environmental resilience of urban fabric in ten districts of Tabriz city in against earthquake using spatial analysis-decision-making combined models.

Document Type : Original Article

Authors

1 Graduated from Tabriz University, Tabriz University, Tabriz, Iran

2 Department of Geography and Urban Planning, University of Tabriz

10.22034/rsgi.2023.16444

Abstract

Earthquake is a natural phenomenon that seriously threatens urban communities, in the meantime, the city of Tabriz or its location in the country's earthquake-prone belt has attracted more attention from urban planners. This research examines the physical-environmental resilience of Tabriz city in the face of an earthquake using the FAHP method, so that by obtaining information, useful measures can be taken in the face of an earthquake and the effects of damage and possible casualties can be reduced with preventive measures. The components used in this research are the environmental and physical components, which are stratified in the GIS environment based on the results of the spatial analysis process and the combination of decision-making models with the integration of effective layers in resilience, as well as extracting The overall resilience map of the studied area has been studied, and based on the results of the analysis, it has been determined that 6832.18 hectares of the total areas of Tabriz have a high resilience level, 11546.88 hectares have a relatively high resilience level, 2473.53 hectares have a relatively low resilience level, and 1904.63 hectares have a relatively low resilience level. 1102.39 hectares have low resilience and 1102.39 hectares have very low resilience. The vulnerability and lack of resilience of the ten regions are as follows: the regions with low resilience are 4, 10, 3, 1 respectively. , 2, 5, 7, 8, 6, 9.
Keywords: resilience, earthquake, FAHP, GIS, Tabriz

Keywords

زلزله پدیده طبیعی هست که بهطور جدی جوامع شهری را تهدید میکند، در این میان شهر تبریز یا توجه یه موقعیت قرارگیری آن در کمربند زلزلهخیز کشور موجب توجه بیشتر برنامهریزان شهری در این امر شده است .این پژوهش میزان تابآوری کالبدی – محیطی شهر تبریز در مواجهه با زلزله با روش FAHP مورد بررسی قرارداده تا با کسب اطلاعات ،تدابیر مفیدی در مواجهه با زلزله اتخاذ شود و از آثار آسیب و تلفات احتمالی با اقدامات پیشگیرانه کاسته شود. مولفههای مورد استفاده در این پژوهش، مولفه محیطی و کالبدی میباشد، که در محیط GIS اقدام به سطحبندی بر اساس نتایج حاصل از فرایند تحلیلهای فضایی و ترکیب مدلهای تصمیمگیری با تلفیق لایههای موثر در تابآوری، و همچنین استخراج نقشه کلی تابآوری محدوده مورد مطالعه شده است که بر اساس نتایج تحلیلها مشخص شده است که 6832.18 هکتار از کل مناطق تبریز دارای سطح تابآوری بالا و 11546.88 هکتار دارای سطح تابآوری نسبتاً بالا

،2473.53 دارای تاب آوری نسبتا پایین، 1904.63 هکتار دارای تابآوری پایین و 1102.39 هکتار دارای تاب آوری بسیار پایین میباشند. و آسیبپذیری و عدم تابآوری مناسب مناطق دهگانه به ترتیب بدین قرار میباشد: مناطق دارای تاب اوری پایین به ترتیب 4، 10 ، 3 ، 1 ، 2، 5 ، 7 ، 8، 6 ، 9 میباشند.

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  • Receive Date: 24 February 2023
  • Revise Date: 30 April 2023
  • Accept Date: 01 May 2023