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Exceptional rainfall in June 2007 lead to widespread flood damage in the UK; Hull was particularly badly affected with 8600 houses and 1300 businesses flooded, the closure of schools and cancellation of many events. At the instigation of the City Council, Hull University geographers produced two influential reports that explained how and why the flooding happened and what might be done to improve flood readiness for the future.
The reports had impact at a national scale. They fed into the findings of the House of Commons Select Committee on Environment, Food and Rural Affairs (published 7 May 2008) and the Pitt Report (a Government Independent Review, published 25 June 2008), which were both tasked with addressing the summer 2007 floods. Significant elements of `The Flood and Water Management Act' (2010), which was enacted subsequently, were informed by our research.
The reports also impacted at the regional scale. Their findings were adopted by Hull City Council, the Environment Agency and Yorkshire Water. Therefore, our research also shaped several practical strategies to improve flood prevention policies and minimise danger, damage, distress and expense in future floods.
Our research and resulting impacts extend across a wide range of flooding problems, from localised urban floods to river bas in flooding. The under pinning research ranges from extending the evidence base, to improved rainfall estimates, and to advances in hydrological and hydraulic models. The impact of our research has been through the creation and application of new methodologies (e.g. AOFD) and software tools (e.g., TSRSim) for the design and analysis of flood management systems in the UK and internationally, via joint projects with consulting engineering companies, and through the influence of our research on national and regional policies towards improved land use management practices (e.g., Glastir, Wales).
Since 1994 the university's Agriculture and Environment Research Unit has undertaken an extensive programme of research on the environmental impacts of agriculture. This has been instrumental in providing agricultural practitioners, policy makers and researchers from around the world with a range of tools that have helped to deliver agri-environmental policy objectives on farms. These tools have aided farmers in improving their environmental performance, provided evidence to support policy objectives, and helped improve the accuracy and comparability of environmental risk assessments.
An engineering methodology, Management of Slope Stability in Communities (MoSSaiC), has been developed to mitigate urban landslide risk in developing countries, and has been implemented in the Eastern Caribbean. The World Bank is now including the methodology in disaster risk mitigation projects more widely in the Latin America and Caribbean regions, starting with Jamaica (September 2011-). MoSSaiC centres on the efficient management of surface water (construction of hillside drainage networks) and is delivered through a community-focussed programme with a benefit-cost ratio of 2.7:1. The impact includes:
In 2011, the World Bank selected 13 methodologies for an `Aid Effectiveness Showcase' exhibition at its Washington DC headquarters. Due to its effectiveness, MoSSaiC was included as the only methodology relating to landslides.
Rapid runoff from rural parts of river catchments can pollute downstream water bodies by transmitting sediment, agricultural fertiliser, or other pollutants from extensive diffuse sources, and can also lead to downstream flooding. Environmental managers often try to mitigate these problems by encouraging interventions, such as changes in farming practice or the construction of physical obstacles, which delay runoff from rural catchments. DU geographers have worked with stakeholders to develop a family of flexible user-friendly computer modelling tools which predict and map the likely critical sources of pollution or flooding and the downstream locations that are most at risk. This helps environmental managers target the best locations for intervention and compare the effects of alternative interventions. The software tools have been used by regulatory bodies (e.g. the Environment Agency) and NGOs (e.g. Rivers Trusts) to plan mitigation works and benefit local communities and the environment in many parts of England.
Research by Professor Wilby since 1993 has led to the development of regional climate modelling techniques, climate risk assessment frameworks, and adaptation planning approaches for long- lived water and energy infrastructure. Benefits were delivered through public domain software, practitioner training, and technical advice to policy-makers. This case study provides examples of impact conveyed via these services to national and international agencies, non-governmental organisations and commercial partners who are formulating strategies to manage exposure of their portfolios to climate risks. The work helped build technical capacities in climate risk management and adaptation options appraisal, particularly in vulnerable parts of Asia and the Middle East.