flood risk Articles

  • Modelling and Managing Flood Risk and Flooding

    The UK’s prestigious Royal Society recently held a discussion group on the subject of Flood Management and Climate Change. With much of the Northern Hemisphere approaching the winter flooding season, we spoke to Wallingford Software’s David Fortune to find out the role of modelling in flood forecasting and flood management. He set out his ideas as follows: We must remember first that, while we ...


    By Innovyze

  • What is a Flood Risk Assessment?

    Flood Risk Assessments (FRA) are becoming a very important part of the planning permission process. It interlocks with other areas of the planning process, and could cause weeks or months of delays if not done from the beginning. But what is a Flood Risk Assessment? A Flood Risk Assessment is a series of tests that are carried out to assess the level of flood risk of a given location. The ...


    By Aquaread Limited

  • Flood Risk and Social Justice

    Flood Risk and Social Justice is a response to the rising significance of floods and flood-related disasters worldwide, as an initiative to promote a socially just approach to the problems of flood risk. It integrates the human-social and the technological components to provide a holistic view. This book treats flooding as a multi-dimensional human and natural world tragedy that must be ...


    By IWA Publishing

  • Flood risk maps 2

    Flood risk is a combination of the likelihood of flooding and the potential consequences arising. There are different maps depending on the chosen hydrological scenario (see flood hazard maps). The flood risk maps should consider information about: the number of potentially affected inhabitants the type of economic activity on the area potentially affected other information ...


    By IWA Publishing

  • Flood risk management plans 1

    Flood risk management plans (FRMPs) contain an approach for saving or improving flood protection within a river basin. They shall address all aspects of flood risk management focusing on prevention, protection and preparedness (EC 2007). FRMPs include the conclusion of the preliminary flood risk assessment, the flood hazard maps and flood risk maps. Furthermore they should contain: description ...


    By IWA Publishing

  • Flood risk for farmer and dyke relocation

    The Biosphere Reserve Lower Saxonian Elbe Valley (Biosphärenreservat Niedersächsische Elbtalaue), which was created on the basis of an unanimous decision by the Lower Saxonian State Parliament in 2002, represents Lower Saxony’s contribution to the UNESCO Biosphere Reserve ‘Flusslandschaft Elbe’ (Elbe River Landscape). It stretches for about 100 kilometres south-east of ...


    By IWA Publishing

  • Flood risk modelling based on tangible and intangible urban flood damage quantification

    The usual way to quantify flood damage is by application stage-damage functions. Urban flood incidents in flat areas mostly result in intangible damages like traffic disturbance and inconvenience for pedestrians caused by pools at building entrances, on sidewalks and parking spaces. Stage-damage functions are not well suited to quantify damage for these floods. This paper presents an alternative ...


    By IWA Publishing

  • Flood mapping, a core component of European flood risk management

    Flood mapping is a crucial element of flood risk management. Directive 2007/60/EC on the assessment and management of flood risks will require Member States to prepare two types of maps by 2013. Flood hazard maps, showing the extent and expected water depths/levels of an area flooded in three scenarios, a low probability scenario or extreme events, in a medium probability scenario (at least with ...

  • Urban flood risk assessment using sewer flooding databases

    Sustainable water management is a global challenge for the 21st century. One key aspect remains protection against urban flooding. The main objective is to ensure or maintain an adequate level of service for all inhabitants. However, level of service is still difficult to assess and the high-risk locations difficult to identify. In this article, we propose a methodology, which (i) allows water ...


    By IWA Publishing

  • Methodology for qualitative urban flooding risk assessment

    Pluvial or surface flooding can cause significant damage and disruption as it often affects highly urbanised areas. Therefore it is essential to accurately identify consequences and assess the risks associated with such phenomena. The aim of this study is to present the results and investigate the applicability of a qualitative flood risk assessment methodology in urban areas. This methodology ...


    By IWA Publishing

  • Evaluating cartographic design in flood risk mapping

    In order to mitigate flood hazards and to minimize associated losses, technical protection measures have been additionally and increasingly supplemented by non-technical mitigation, i.e. land-use planning activities. This is commonly done by creating maps which indicate such areas by different cartographic symbols, such as colour, size, shape and typography. Hazard and risk mapping is the ...

  • Building Codes Regulations for Flood Risk Management

    Building Codes can contribute to the reduction of flood risk through different regulations. The risk of damage can be reduced as well as the amount of the damages. Continue reading the full ...


    By IWA Publishing

  • Method for consequence curves as applied to flood risks

    This article summarises research intended to expand current study methodologies targeting flood risks with regard to specific issues and emergency preparedness requirements of municipalities. Various methods are currently available to predict the consequences of flooding risks. DOMINO is one such tool used to study flooding risks from natural events or from potential dam breaks. A complementary ...


    By Inderscience Publishers

  • Are young people leaving themselves at risk of flooding?

    According to recent figures from the Environmental Agency, young people in the UK may be leaving themselves at risk of flood damage. Around 75% of 18-24 year olds ...


    By Aquaread Limited

  • Integrated policies and practices for flood and drought risk management

    The paper argues for an integrated approach to the management of water-related disasters that becomes a full part of the political decision-making process at the earliest possible moment and focuses on preparedness, mitigating their negative impacts and also considering their positive impacts, particularly those of floods. By doing this, there is an opportunity to consider the three pillars of ...


    By IWA Publishing

  • Public participation in flood risk management: the case of Germany

    How can stakeholders best be involved in the implementation of the EU Floods Directive? According to recent research examining Germany as a case study, three types of strategy are being pursued across the country’s 16 federal states: the first draws on Water Framework Directive (WFD) procedures, the second meets only minimum requirements for participation and the third involves stakeholders ...

  • Flood Risk Mapping for Scotland Takes Off

    Untitled Document Scotland has an area of roughly 79,000km2 and a population of five ...


    By Innovyze

  • Efficient joint probability analysis of flood risk

    Flood attributes such as the water level may depend on multiple forcing variables that arise from common meteorological conditions. To correctly estimate flood risk in these situations, it is necessary to account for the joint probability distribution of all the relevant forcing variables. An example of a joint probability approach is the design variable method, which focuses on the extremes of ...


    By IWA Publishing

  • Flood and Coastal Risk Management - Case Study England

    The Environment Agency is the principal flood risk management operating authority. It has the power (but not the legal obligation) to manage flood risk from designated main rivers and the sea. These functions in relation to other rivers (defined as ...


    By IWA Publishing

  • The rationales of resilience in English and Dutch flood risk policies

    We compared the governance of flood risk in England and the Netherlands, focusing on the general policies, instruments used and underlying principles. Both physical and political environments are important in explaining how countries evolved towards very different rationales of resilience. Answering questions as ‘who decides’, ‘who should act’ and ‘who is ...


    By IWA Publishing

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