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Multidimensional Model for Vulnerability Assessment of Urban Flooding: An Empirical Study in Pakistan

机译:城市洪水脆弱性评估的多维模型:巴基斯坦的一项实证研究

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Urban flooding has become a regular phenomenon in many towns and cities in the Asia Pacific region over the past years. Professionals associated with disaster management and climate change are at the forefront of addressing urban flooding. To reduce flood risks, vulnerability and its components must be understood. Vulnerability assessment methods are diverse and complex, with a varied nature of understanding the key terms used in various contexts, and this diversity ultimately reflects on the interpretation of results in research settings. Diverse interpretations and definitions exist in the disaster risk and climate change literature, complicating the process of astute and comprehensive vulnerability assessment. The main purpose of this study was to quantify vulnerability indicators and develop a multidimensional model for vulnerability assessment. Vulnerability is explored through the lens of five dimensions: social, economic, physical/infrastructural, institutional, and attitudinal. This methodology is applied to urban flooding in Pakistan, to verify the proposed model. Three study sites in urban areas with different population sizes, situated in high-risk flood zones in the Punjab Province of Pakistan were selected for empirical investigation. A household survey was conducted, and indices were developed for each dimension based on well-defined indicators. The proposed methodology for vulnerability assessment was tested and found operational. This method can be replicated irrespective of spatial scales and can be modified for other disasters by streamlining hazard specific indicators.
机译:在过去的几年中,城市洪水已成为亚太地区许多城镇的常见现象。与灾害管理和气候变化相关的专业人员处在应对城市洪灾的最前沿。为了减少洪水风险,必须了解脆弱性及其组成部分。脆弱性评估方法是多样且复杂的,具有理解在各种情况下使用的关键术语的不同性质,并且这种多样性最终反映了研究环境中对结果的解释。灾害风险和气候变化文献中存在不同的解释和定义,这使精明和全面的脆弱性评估过程变得复杂。这项研究的主要目的是量化漏洞指标并开发多维模型进行漏洞评估。漏洞是通过五个维度来探讨的:社会,经济,物理/基础设施,机构和态度。该方法应用于巴基斯坦的城市洪水,以验证所提出的模型。选择位于巴基斯坦旁遮普省高风险洪泛区的三个不同人口规模的城市研究地点进行实证研究。进行了家庭调查,并根据明确的指标为每个维度制定了指标。提议的脆弱性评估方法已经过测试,并且可以运行。无论空间规模如何,都可以复制此方法,并且可以通过简化特定于灾害的指标来针对其他灾难进行修改。

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