Composite Indicators as Decision Support Method for Flood Analysis: Flood Vulnerability Index Category

Composite Indicators as Decision Support Method for Flood Analysis: Flood Vulnerability Index Category

Ahmed Karmaoui (Southern Center for Culture and Sciences, Morocco), Abdelkrim Ben Salem (Cadi Ayyad University, Morocco) and Guido Minucci (Politecnico di Milano, Italy)
DOI: 10.4018/978-1-5225-9771-1.ch002

Abstract

Floods are highly relevant extreme events with increasing frequency at a global scale. They remain among the most dangerous and complex natural disasters in middle and low-income countries. In this context, it is necessary to develop decision-support tools to reduce the flood risk and increase the resilience. The chapter reviews one of the most relevant tools, the flood vulnerability index (FVI) category at a global scale. These tools use hydrological, topographic, socio-economic parameters strongly associated with flood vulnerability. The findings indicate that FVI is a flexible tool for integrated assessment of vulnerability to floods for application in different regions. Social, environmental, and physical components are the main components used in the FVI. Household and neighborhood, basin, urban, sub-catchment, and coastal are the different levels of vulnerability analysis.
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The Used Method

This chapter reviews composite indicators and standardized approaches available in literature. A literature review was carried out adopting keyword-based search approach through online publishers such as ScienceDirect, web of science, and through Google Scholar database in order to identify the most relevant index developed in the last twenty years regarding flood vulnerability (Table 1).The focus was on the composite indicator, the flood vulnerability index categories. The keywords used were: flood vulnerability a flood vulnerability index.

Key Terms in this Chapter

Susceptibility: Defined as system characteristics such as awareness and preparedness.

Resilience: Is the system capacity to rebalance after a perturbation.

Exposure: Refers to the position of human and properties to flood risk.

Indicator: The aspect which allows identifying the level of vulnerability of an area.

Vulnerability: Related to exposure, sensitivity, and resilience.

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