Accordingly, an integrated flood management ifm approach, which is an essential component of integrated water resources management, can help to balance flood risk management and development needs. Author links open overlay panel paulo fernandez a d sandra mourato b d madalena moreira c d luisa pereira e f. Composite indicators as decision support method for flood. Identify vulnerabilities using the building vulnerability assessment checklist. However, it is recognized that some of these indicators may be redundant or. Watsonafter the rainlearning the lessons from flood recovery in hull, final project report for flood, vulnerability and urban resilience. Dissertation submitted in fulfillment of the requirements of the board for doctorates of delft university of technology and of the academic board of the unescoihe. Checklist for vulnerability of floodprone sites and buildings t he checklist for vulnerability of floodprone sites and building can be used to assess sitespecific flood hazards and building vulnerability. Balica sf 2012 applying the flood vulnerability index as a knowledge base for flood risk assessment, ph. Most of the population lives on two large islands, viti levu and vanua levu. Analysis of applicability of flood vulnerability index in. This guidance on flood risk and coastal change will help local planning authorities in the. In the context of this report, flood risk refers to the magnitude of economic flood loss and the probability that losses of that magnitude will occur. Unescoihe phd thesis crc press book floods are one of the most common and widely distributed natural risks to life and property worldwide.
Unit objectives explain what constitutes a vulnerability. This report is a summary of the hazus results for flood scenarios modeled along seven major rivers in nevada. Flood vulnerability indices at varying spatial scales. District 1 vulnerability assessment page 7 table 1. They remain among the most dangerous and complex natural disasters in. Development of the residential structure flood vulnerability functions shall be based on at least one of the following. Vulnerability index, hazard, human security index, disaster, risk, coping capacity. Pdf towards an integrated flood vulnerability index a. Vulnerability there is a relationship between exposure to a flood h azard, risk the next topic of this chapter, and vulnerability. However, it is recognized that some of these indicators may be redundant or have no influence on the results. Vulnerability is multidimensional economic, social, demographic, politicalinstitutional and psychological that affect peoples susceptibility to environmental hazard and is influenced by a number of factors, at different levels from the local to the global. A critical point in flood risk assessment is that while flood hazard is the same for a given area in terms of intensity, the risk could be different depending on a set of conditions flood vulnerability. Understanding each concept and considering certain indicators may help to characterize the vulnerability of different systems, by.
If you are unable to see the pdf link please follow the direct links to the pdf available on all issue table of contents pages and latest articles listing pages. Pdf flood vulnerability index as a knowledge base for. The flood vulnerability index is a method to assess flood vulnerability based on. Therefore the responsible authorities should provide timely and reliable flood warning, flood.
The country has an area of 18,000 km spread over 332 islands, of which about 110 are inhabited. Understand that an identified vulnerability may indicate that an asset. Flood vulnerability and risk maps in taipei city, taiwan. Postfire flood vulnerability maps malibu, ca official. Best practices on flood prevention, protection and mitigation 3 flood forecasting and warning is a prerequisite for successful mitigation of flood damage. A key to informed decision making on risk management and risk transfer insurance is an accurate assessment of risk. 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. The flood vulnerability indicators, which are grouped into exposure, susceptibility, and resilience, were identified given the previous studies on fvi elsewhere and in consultation.
The notion to vulnerability has changed over the last 20 years. This paper presents a flood hazard vulnerability index that incorporates socioeconomic, built environment and natural environment data, and that was used to measure the vulnerability of 1,276 municipalities in brazil. Reducing the complexity of the flood vulnerability index. Ever since the first publication of the integrated flood management concept paper in 2003, it has. The research took place in the city of mexicali, baja, california. The program has also worked on a flood vulnerability and a risk map. In doing so, a neighbourhood flood vulnerability index nfvi is introduced and used to compare risks between more and less flood vulnerable neighbourhoods where vulnerability is. Flood tends to have an important impact on isolated and poor regions such as oasis regions. This study focuses on an approach to assess flood vulnerability as a planning tool using an integrated flood vulnerability index fvi with variables that are accessible in developing countries and arid urban areas. Its effectiveness depends on the level of preparedness and correct response. May 2017 4 a report by sayers and partners llp environment agency flood warnings are only available in english, and so groups of residents with no or insufficient english language skills will find them more difficult to access shaw et al. A new approach for computing a flood vulnerability index.
The contributing percentage for the factors are mean annual rainfall 20%, slope 20%, landuse 20%, relief 15%, drainage density. A new approach for computing a flood vulnerability index using cluster analysis. Flood vulnerability can be displayed with a vulnerability score for its separate factors or as a combined flood vulnerability index. Addition of a vulnerability component to the flash flood. The previous indexes identified four main social, economic. Assessing urban vulnerability to flood hazard in brazilian. Checklist for vulnerability of floodprone sites and. Thesis, unescoihe institute for water education netherlands. Introduction the frequency and severity with which flood disasters occur is on the increase in many regions of the world figure, 1. Review of case studies and implications for measurement.
There is a need to identify the risk of flooding in flood prone areas to support decisions for flood management from. Flood vulnerability factors water resource systems are vulnerable to floods due to three main factors. Flood vulnerability index as a knowledge base for flood. Composite indicators as decision support method for flood analysis. Flood vulnerability assessment of ibadan city, oyo state. A remote sensing and gis approach for warning, mitigation and management sneh gangwar. Vulnerability is the degree to which a system or unit is likely to experience harm due to exposure to perturbations or stress. Floods are highly relevant extreme events with increasing frequency at a global scale. Flood vulnerability in bangladesh tufts university. It was produced in conjunction with the updating of the state of nevada enhanced hazard mitigation plan, 2018. An interactive arggis online web platform was created to assess vulnerability to and risk for flooding based on a variety of variables including a social vulnerability index, flood plains, and critical health care infrastructure. A methodology for flood susceptibility and vulnerability.
In this work, i draw on an established vulnerability index framework to construct a vulnerability index for urban brazilian municipalities. Fiji faces significant development challenges, and the government has set ambitious. Department of environmental sciences, faculty of sciences semlalia, cadi ayyad. This is because the flood vulnerability class progression in the model coincide with the areas of observable impact as earlier visited on the field when compared with the model. Vulnerability is the measure of the capacity to weather, resist, or recover from the impacts of a hazard in the long term as well as the short term.
This study is concerned with flood risk that can be assessed by integrating gis, hydraulic modelling and required field information. Flood vulnerability consists of the three factors exposure, susceptibility and resilience. Flood hazard, vulnerability and risk assessment for. Pdf reducing the complexity of the flood vulnerability index. We are currently experiencing intermittent display of pdf links on some article pages. I map vulnerability scores and highlight those municipalities with high vulnerability, high flood hazard and high flood exposure, to determine the size of the population at risk. In 2014, the center for neighborhood technology cnt published a research report, the prevalence and cost of urban flooding, for cook county, illinois. The current flood vulnerability index fvi methodology developed by the authors uses 71 indicators in its calculation. The index is designed to combine the ease of application of geomorphological indexes with a simplified, but physically sounding. Appl ying the flood vulnerability index as a knowledge base for flood risk assess ment, delft university. Implementing a flood vulnerability index in urban coastal. Flood vulnerability factors flood vulnerability index. This paper aims the analysis of applicability of flood vulnerability index fvi in pre saharan region of morocco.
The ride quality index value at the sump lowest point of the roadway segment pavement that is in poor condition. Analysis of vulnerability to flood disaster in kano. Applying the flood vulnerability index as a knowledge base for flood risk assessment. The checklist presented here is an amended version of the checklist. Vulnerability flood vulnerability index fvi unescoihe. A physical vulnerability index pvi for dynamic flooding is computed which can be used for a variety of processes without distinguishing between different torrential hazards flash flood, hyper. 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 why flood vulnerability index. Updated assessment of risks and vulnerability to flood. Nigeria is no exception as in 2012, it experienced an unprecedented flood disaster that affected half.
Continuous improvements and changes, investigative and managerial practices, namely the planning instances of city institutions, need to be equipped. This study adopted a flood vulnerability index fvi to assess the flood vulnerability of ten villages in mai hoa commune, a mountainous community living along gianh river in tuyen hoa district, quang binh province. The flood ris ks will likely increases in frequency and magnitude due to global and regional climate change. Vf1 derivation of residential structure flood vulnerability functions a. These factors consist of indicators which assess different characteristics of vulnerability. Disadvantageous flood plain management makes people living on floodplains more vulnerable to floods. Description and summary of metrics used to quantify flood vulnerability. Flash flood vulnerability and adaptation assessment pilot. Flood vulnerability assessment on a commune level in vietnam.
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