Presenting a conceptual model of spatial resilience in the face of fire in Tehran, Iran

IF 3.4 4区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES
A. Kheirdast, S. A. Jozi, M. M. E. Tehrani, S. Rezaian
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引用次数: 0

Abstract

Crises are the main reflection of life mismanagement. Therefore, what is important in the occurrence of accidents is resilience of a place that can improve the continuity of the region's environment and provide stability and dynamism in times of crisis. This research aims to calculate the level of spatial resilience in the face of fire in Region 19 of Tehran. This is an applied research and the sampling method is random. The weights of the factors were calculated using Expert Choice software and the inconsistency rate was less than 0.1. The validity of the questionnaire was calculated through the CVR index for the items in the form of a Likert scale and its estimated value was 0.49. The reliability of the questionnaire was calculated by Cronbach's alpha coefficient and SPSS20 software and its value was 0.82. The data were standardized using the hierarchical evaluation model and ArcGIS10.6 software. The model was designed using the VensimPLx32 system. Findings achieved by examining 3 criteria and 12 spatial indexes that identify the main features of resilience in Region 19 showed that Physical Resilience, Operational Resilience, and Infrastructural Resilience were prioritized respectively as the 1st, 2nd, and 3rd priorities with the importance factors of 0.12, 0.58 and 0.28. The results obtained from the spatial resilience zoning map show that 21.67% of the area (2,812,993 m2) has low resilience, and 43.79% of the area (5,682,805 m2) has medium resilience and 16.59% of the area (21,536,913 m2) has high resilience.

提出了伊朗德黑兰面对火灾时空间弹性的概念模型
危机是生活管理不善的主要反映。因此,在发生事故时,重要的是一个地方的复原力,它可以改善该地区环境的连续性,并在危机时期提供稳定和活力。本研究旨在计算德黑兰19区面对火灾的空间弹性水平。这是一个应用研究,抽样方法是随机的。采用Expert Choice软件计算各因素的权重,不一致率小于0.1。问卷的效度采用李克特量表的CVR指数计算,其估计值为0.49。问卷的信度采用Cronbach's alpha系数和SPSS20软件计算,信度值为0.82。采用分层评价模型和ArcGIS10.6软件对数据进行标准化处理。模型采用VensimPLx32系统进行设计。通过3个指标和12个空间指标对19区恢复力的主要特征进行分析,结果表明:物理恢复力、操作恢复力和基础设施恢复力分别为1、2、3个优先级,重要因子分别为0.12、0.58和0.28。空间弹性区划图结果显示,低弹性面积占21.67% (2,812,993 m2),中等弹性面积占43.79% (5,682,805 m2),高弹性面积占16.59% (21,536,913 m2)。
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来源期刊
CiteScore
5.60
自引率
6.50%
发文量
806
审稿时长
10.8 months
期刊介绍: International Journal of Environmental Science and Technology (IJEST) is an international scholarly refereed research journal which aims to promote the theory and practice of environmental science and technology, innovation, engineering and management. A broad outline of the journal''s scope includes: peer reviewed original research articles, case and technical reports, reviews and analyses papers, short communications and notes to the editor, in interdisciplinary information on the practice and status of research in environmental science and technology, both natural and man made. The main aspects of research areas include, but are not exclusive to; environmental chemistry and biology, environments pollution control and abatement technology, transport and fate of pollutants in the environment, concentrations and dispersion of wastes in air, water, and soil, point and non-point sources pollution, heavy metals and organic compounds in the environment, atmospheric pollutants and trace gases, solid and hazardous waste management; soil biodegradation and bioremediation of contaminated sites; environmental impact assessment, industrial ecology, ecological and human risk assessment; improved energy management and auditing efficiency and environmental standards and criteria.
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