Vulnerability is considered in the study of flood vulnerability index fvi as the extent of harm, which can be expected under certain conditions of exposure, susceptibility and resilience. Other advantages of the approach used here over sfvi can be seen, firstly, in the dissagregation of the final index into the dimensions of vulnerability and secondly, in the combination of vulnerability and flood hazardexposure into a disadvantage index. This 19 paper aims to analyze the applicability of such index in presaharan region of morocco. Mapping flood vulnerability floods have a high impact in densely populated areas, especially when strategic infrastructure is affected. Flood, geomorphology, hazard, vulnerability, valuation, damage, risk, turrialba, costa rica v. Vulnerability indicators and mapping, vulnerability profiles goal.
A detailed mapping of the social vulnerability index is generated at. Submitted in total fulfilment of the requirement for the. Flood vulnerability assessment as an essential part of the urban flood management is done by various methods by several researchers. Flood vulnerability index as a knowledge base for flood risk. The indicators used show the variables affecting the flood vulnerability in the pre saharan region. This index is part of the national vulnerability index developed in the scope of flood maps in climate change scenarios cirac project, supported by the portuguese association of insurers aps. A social vulnerability index for disaster management. Disadvantageous flood plain management makes people living on floodplains more vulnerable to floods.
Tools for climate change vulnerability assessments for. Cdcs social vulnerability index svi a tool to identify socially vulnerable communities cdcs svi what is social vulnerability. Quantitative assessment of vulnerability to climate change. The social vulnerability index svi is a useful tool for emergency preparedness and publichealth planning. The environmental vulnerability index evi is a measurement devised by the south pacific applied geoscience commission sopac, the united nations environment program and others to characterize the relative severity of various types of environmental issues suffered by 243 enumerated individual nations and other geographies such as antarctica. Unesco ihe fvi vulnerability flood vulnerability index fvi. However, it is recognized that some of these indicators may be redundant or. Assessing social vulnerability to flood hazards in the dutch. Benin niger river, flood, vulnerability, risk, gisbased mapping. Develop a baseline document to capture and analyse. Ciesin provided a comprehensive training in the framework, data and methods utilized to develop a spatial vulnerability assessment for kenya using the spatial index approach. Flood vulnerability indices at varying spatial scales s.
Definition of vulnerability index in the dictionary. In the present work, we derive a generalized formulation based on an iterative method, which reproduces flow dynamics in case of slow and gradually varied flow. The checklist presented here is an amended version of the checklist. Understanding urban flood vulnerability and resilience. Quantitative assessment of vulnerability to climate change computation of vulnerability indices 1. Analysis of vulnerability to flood disaster in kano state, nigeria aliyu baba nabegu department of geography, kano university of science and technology, wudil. In this study, the flood vulnerability index is significantly sensitive to susceptibility and flood resilience variables.
This document is part of a series of short reports based on the full flash flood vulnerability and adaptation assessment pilot project. Assessing biophysical and social vulnerability to natural hazards. The cbs publishes districtlevel data in a document titled. Stepbystep guide to vulnerability hotspots mapping.
One of the most significant aims of flood vulnerability assessment is to make a clear association between the theoretical conceptions of flood vulnerability and the daily administrative process. We surveyed 200 households in each district to collect data on sociodemographics, livelihoods, social networks, health, food and water security, natural disasters and climate variability. Design and use of composite indices in assessments of climate change vulnerability and resilience 4. Intensive agricultural activity and large urbanised areas are examples of such human factors, while. Jun 16, 2012 vulnerability index captures a zooming in view, which helps in assessing aspects that might have been neglected by traditional approach to assess or analyse risk so far. Vulnerability flood vulnerability index fvi unescoihe. Continuous improvements and changes, investigative and managerial practices, namely the planning instances of city institutions, need to be equipped. The notion to vulnerability has changed over the last 20 years. The purpose of a vulnerability assessment is to generate knowledgethat improves understanding of the implications of climate change. Flood vulnerability assessment on a commune level in vietnam.
Analysis of applicability of flood vulnerability index in. Flood modelling and vulnerability assessment of settlements in the adamawa state floodplain using gis and cellular framework approach. Apr 26, 2016 vulnerability is the main construct in flood risk management. This report was developed by the minnesota department of transportation in accordance with a grant from the federal highway administration. The march 2008 2nd annual homeless assessment report to congress from hud department of housing. Flood vulnerability factors water resource systems are vulnerable to floods due to three main factors. Pdf reducing the complexity of the flood vulnerability index. Method used in deriving the climate change vulnerability index note. Variety of approaches has been introduced to assess vulnerability therefore selection of more appropriate methodology is vital for.
Understanding vulnerability to understand disasters. There are various human and territorial factors that influence an areas vulnerability to flooding. The objective of this baseline document is to develop a common understanding and shared knowledge about the various methods and technologies to conduct hrva at different levels of governance. Pdf towards an integrated flood vulnerability index a. The physical exposure dataset relies on the national flood hazards maps downloaded fromnorthcarolina flood risk information systemalong with a novel building inventory dataset available from the north carolina department of public safety that contains the. We developed the livelihood vulnerability index lvi to estimate climate change vulnerability in the mabote and moma districts of mozambique. Additionally, a flood vulnerability index fvi was created using data on community mitigation and preparedness, leading to a contingency plan for use by the shelternfi cluster. In this study a methodology to compute a flood vulnerability index, based on indicators, is developed, aiming at assessing the conditions which favour flood damages at various levels. This document describes work undertaken as part of a programme of study at. Flood vulnerability index as a knowledge base for flood. Assessing urban areas vulnerability to pluvial flooding using gis applications and bayesian belief network model. Flood vulnerability in bangladesh tufts university. Aerts 1 5 1institute for environmental studies ivm, v rije universiteit amsterdam, amsterdam, 1081hv, the netherlands.
Therefore, there is a need for an assessment of the flood vulnerability of the communes, with a vulnerability score for every commune as a result. These subindices focus on ecosystem integrity and how it is threatened by anthropogenic and natural hazards. Typically, the index is a composite of multiple quantitative indicators that via some formula, delivers a single numerical result. This study focuses on an approach to assess flood vulnerability and discuss the benefits of adaptation options at a city scale and sub catchment scale, using flood vulnerability index balica et al. Indicators for identification of urban flooding vulnerability. A methodology for flood susceptibility and vulnerability. As another argument to assess and index vulnerability is the requirements of the european floods directive 200760ec and the hyogo framework for action 20052015.
Applying the flood vulnerability index as a knowledge base. The main findings from this flood vulnerability mapping exercise are the following. An overall social vulnerability index has some usefulness in. A comparative analysis of disaster risk, vulnerability and. Addition of a vulnerability component to the flash flood. Introduction the flash flood potential index ffpi is a method of ranking watersheds by their relative runoff potential. Data sets and potential indicators to be derived from them were assembled and evaluated in advance of the workshop.
Through such an index diverse issues can be combined into a standardised framework. The annual occurrence of the flood hazard has forced residents to prepare beforehand to help them spring back to their daily life faster. Disaster and climate risks are considered constant while vulnerability differs in an area based on characteristics of the household. A recent study of katrinarelated flood deaths, which used a traditional approach, focused on the. The lower accuracy of the flood hazard assessment model is attributed to the fact that it is. A flood vulnerability score, or flood vulnerability index fvi, is a representation of all the characteristics of a commune that are related to flooding. Flood vulnerability indices at varying spatial scales. Ffpi was developed at the national weather service nws colorado basin river forecast center cbrfc in 2003 smith, 2003. Flash flood vulnerability and adaptation assessment pilot. Pdf the current flood vulnerability index fvi methodology developed by the authors uses 71 indicators in its calculation. Development and application of flood vulnerability indices for various spatial scales master of science thesis by. Emergency responders can determine how to best plan for and respond to emergencies. Oct 06, 2015 back in 2009, sf author peter watts had dinner with a retired investment banker from td who described the banks vulnerability index a numeric score that expresses how desperate you are for. To assess the vulnerability to natural disasters at the national level.
Flood vulnerability in bangladesh nazifa noor sarawat 187 geographic information systems 15 ecember 2015 introduction ata and methods i created a flood vulnerability index to map the regions of bangladesh that are most vulnerable to flood by weighted raster addition of elevation, precipitation, proximity to water bodies, and past flood event. Understanding each concept and considering certain indicators may help to characterize the vulnerability of different systems, by which certain actions can be identified to. A new approach for computing a flood vulnerability index using cluster analysis. Analysis of applicability of flood vulnerability index in pre. Social vulnerability index sovi provides an empirical basis to compare social. The power of the composite index approach is in its ability to portray the results of an integrated analytical framework. Cdvi should be able to track changes in the vulnerability. Gisbased mapping of flood vulnerability and risk in.
The vulnerability index service prioritization decision assistance tool vispdat was developed as a prescreening tool for communities that are very busy and do not have the resources to conduct a full spdat assessment for every client. Assessing urban areas vulnerability to pluvial flooding. Unless proper adaptation strategies are implemented, it will have far reaching environmental changes that could have severe impacts on societies throughout the world. Pdf flood vulnerability index as a knowledge base for flood.
Specically, it computes the marginal change in afterrecovery wealth when an additional stress is given to an individual in group i and in area j with initial wealth w 0, i. Appl ying the flood vulnerability index as a knowledge base for flood risk assess ment, delft university. The flood social vulnerability assessment focuses on the municipality of. Notice that this vulnerability map allows more detail because it focuses only on one small portion of a community, in which a floodplain overlaps with developed areas. New multiple scale technique for the assessment of relative flood vulnerability by mohamed mahgoub b. Climate and disaster vulnerability index for measurement of. Cge training materials for vulnerability and adaptation assessment page 8 of 52 box 51 cont. The vulnerability indicators chosen in the framework of this study show that the. The environmental vulnerability index evi is among the first of tools now being developed to focus environmental management at the same scales that environmentally significant decisions are made, and focus them on planned outcomes. An information system for riskvulnerability assessment to. Flood vulnerability index as a knowledge base for flood risk assessment in urban area hajar nasiri1 and shahram shahmohammadikalalagh2 1 urban planning and design department, design and architecture faculty, university putra malaysia 2 department of water sciences and engineering, east azarbaijan science and research branch,islamic. A new approach for computing a flood vulnerability index.
Checklist for vulnerability of flood prone sites and buildings t he checklist for vulnerability of flood prone sites and building can be used to assess sitespecific flood hazards and building vulnerability. Pdf flood vulnerability assessment as an essential part of the urban flood management is done by various methods by several researchers. The current flood vulnerability index fvi methodology developed by the authors uses 71 indicators in its calculation. Indicator name climate vulnerability index cvi prepared by dr caroline sullivan, southern cross university, australia. Flood vulnerability factors flood vulnerability index. Social vulnerability assessment for flood risk analysis mdpi. A flood vulnerability index for coastal cities and its use in.
Towards an integrated flood vulnerability index a flood vulnerability assessment. Flood risk and vulnerability of jeddah city, saudi arabia. Reducing vulnerability of buildings to flood damage foreword floodplains provide land for both urban and rural development, however, there remains an everpresent risk in occupying land which is subject to. Additionally, articles, theses, official government documents and reports were consulted. Identify specific vulnerabilities of a particular critical facility to flooding by looking at factors such as proximity to a floodplain or other bodies of water, past flooding issues, emergency management plans, and location of critical systems like primary.
Ge produced a social vulnerability index using the projection pursuit cluster ppc method, which is a data reduction and rotation methodology similar to principal components analysis. Flood risk, exposure and damage potential are increasing, causing the level of poverty and vulnerability to rise. Rationale for inclusion and supporting indicators the twelve individual indicators used to support the assessment of the five characteristics of flood. According to the world risk report released by the united nations university institute for environment and human security, the philippines is ranked third globally in terms of disaster risk.
The present work illustrates a spatial analysis of flood risk based on multisource data satellite, dem, cartographic and statistical and aims to identify flood prone areas to determine the vulnerability of the jeddah area so as to avoid urban extension in risk areas and to. Therefore, it is a need to use a 18 multidisciplinary approach to measure vulnerability, such as the flood vulnerability index fvi. A hazard identification and risk assessment provides the factual basis for activities proposed in the strategy portion of a hazard mitigation plan. Dottori and martina presented a preliminary version of the flood intensity index iw, based on the existing gis functions to compute non. The figures in parenthesis indicate the weights given to the respective factors. A vulnerability index is a measure of the exposure of a population to some hazard. With corvi, decision makers can target their investments to build resilience where it matters most. In 2014 the government still had insufficient information on the new shape of the rivers and their flood vulnerability 200 public datasets 5 million images 4,000 new images every day. Economic vulnerability and disaster risk assessment in. Construction of an integrated social vulnerability index in urban. Pca simplifies a large number of variables into a few uncorrelated factors representing the social, economic, physical and environmental dimensions of vulnerability. Information and translations of vulnerability index in the most comprehensive dictionary definitions resource on the web.
An emergency response tool using the svi in emergency response flood, icestorm, tornadoeach type of emergency will impact communities differently depending on the communitys baseline vulnerability and ability to respond. Climate change vulnerability mapping for southeast asia. A flood vulnerability map appears on the next page as an example of identifying areas where a hazard overlaps with urban developments. The public, the government, planners and insurance com. Examples of coastal resource analysis in developing countries a different approach to screening assessment has been applied in mombasa and dar es salam, where global datasets were used to map and analyse each city. Pdf maps, whose code and data repository system used to the calculate such. Are any critical contents files, computers, servers, equipment. Vulnerability index summary chronic street homelessness, i. Unescoihe phd thesis crc press book floods are one of the most common and widely distributed natural risks to life and property worldwide. Flood vulnerability assessment of ibadan city, oyo state, nigeria. It helps identify demographic groups and geographic locations with higher vulnerability to environmental and public health hazards. This chapter outlines aspects of vulnerability leading to disasters, describing how to understand vulnerability better in order to better understand and deal with. Flood vulnerability is one of the significant components in risk management and flood damage assessment.
Smaller grid cell maximizes the number of training case files. Flood hazard, vulnerability and risk assessment in the city of turrialba, costa rica by. Since vulnerability is found to be the main reason of disasters, it seems necessary to develop our perception of the vulnerability klein 2004. Pdf flood vulnerability index as a knowledge base for. It was made in collaboration with community solutions, creators of. Checklist for vulnerability of floodprone sites and buildings t. Analysis of vulnerability to flood disaster in kano. Every community must prepare for and respond to hazardous events, whether a natural disaster like a tornado or disease outbreak, or a humanmade event such as a harmful chemical spill. Cge training materials for vulnerability and adaptation.
An overview to flood vulnerability assessment methods. Vulnerability index summary aids foundation of chicago. Analysis of applicability of flood vulnerability index in pre saharan region, a pilot study to assess flood in southern morocco. Vulnerability index service prioritization decision. An effective risk assessment informs proposed actions by focusing attention and resources on the greatest risks. Developing a watershed vulnerability index healthy. However, it is recognized that some of these indicators may be redundant or have no influence on the results. Flood hazard, vulnerability and risk assessment in the. What are the goals of the flood vulnerability assessment for critical facilities fva. Analysis of applicability of flood vulnerability index in presaharan. Developing a watershed vulnerability index because watershed health is a dynamic property that can vary with future changes in climate and human activity, a watershed assessment also evaluates the vulnerability of watershed health to future degradation. Rationale integrated assessment of local vulnerability to waterrelated risks position in dpsir chain state, made up of pressures as indicators, and to target the geography of.
This page provides information and resources for conducting a hazard identification and risk assessment. Environmental vulnerability has been characterised by three components or subindices. Introduction climate change or global warming is an important research area now. A comparison of flood and earthquake vulnerability assessment indicators marleen c. Checklist for vulnerability of floodprone sites and. The climate crisis has arrived and the science linking climate and ocean risk is undeniable. Applying the flood vulnerability index as a knowledge base for flood risk assessment. Participatory methods, such as participatory rapid appraisal pra, are considered a best practice. University of lagos, nigeria abstract the devastating flood occurrence and its impact on the people have been of great concern to man. In general vulnerability is the susceptibility to degradation or damage from adverse factors or in.
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