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F lood risk management and impact assessment – dealing with the extremes the weathermen cannot predict Karen Potter. Overview. Climate Change and Flood Risk Adaptation to Flood Risk The Contribution of Impact Assessment Flood Risk Management Policy Floodplain Restoration
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Boscastle, Cornwall, 2004
The UK has experienced an increase in winter rainfall over the past 45 years (UKCP09)
Tewkesbury, Gloucestershire, July 2007
Changes as small as a 2°C global temperature rise will have serious impacts:
Issues identified for the majority of regions:
The South West:
The Intergovernmental Panel on Climate Change (IPCC) defines adaptation:
“adjustments in natural or human systems in response to actual or expected climatic stimuli or their effects, which moderate harm or exploit beneficial opportunities”
Impact Assessment can make an important contribution in preparing for climate change and reducing the impact of flood risk:
“The future is very uncertain and cannot be predicted. It is therefore important to develop policies that can cope with a range of different outcomes –and which can adapt flexibly as the situation evolves.” (Foresight Future Flooding, 2004)
have generated numerous reports and policy reviews
at the national in England and Wales
in the severity, frequency of flooding events
has led to the reappraisal of past practices of
- the Government’s strategic response “Making Space for Water” (2004)
Most institutions have scientists in discrete departments….there are many where if you are in biology, you are not allowed to speak to those nasty folk in chemistry, much less to sociologists, who are someplace else and you wouldn’t know what to say to them even if you met them (Tabak, 2004).
Planning is a vehicle which cannot be fixed by only looking at the engine. You need to change the way the machine is driven (McNulty, 2003, quoted in Shaw, 2006).
There are people who have an unbelievable capacity to take any policy framework and adapt it so that they can carry on doing the same things that they have always done before(Taylor,2005)
Research/policy/practice gaps can be particularly difficult to bridge when a large scale shift in thinking is required.
Researchers’ “so-called policy options” often contain idealised reasoning that make implementing policy “far from trivial” (Omamo, 2004)
“Squeezing rivers into pipes and underground tunnels is not a solution, and will often lead to worse flooding in the future. We need to make space for rivers to work naturally with floodplains that hold and convey the excess water during floods” (Environment Agency, 2006).
Source: Blackwell & Maltby, 2005
The River Quaggy – “a river that is gradually submerged and subsumed within built development” (Copas, 2006)
Sutcliffe Park – the ‘Anti flood’ Park
Source: K. Potter
-UK Climate Impacts Programme http://www.ukcip.org.uk/
-Environment Agency www.environment-agency.gov.uk
Flood maps, Catchment Flood Management Plans, Shoreline Management Plans,
River Basin Management Plans
Planning Policy Statement 25: Development and Flood Risk
Planning Policy Statement (PPS): Planning and Climate Change
-Foresight Future Flood and Coastal Defence http://www.foresight.gov.uk/OurWork/CompletedProjects/Flood/Unknown/Projectsummary.asp
Flood and Water Management Bill
Making Space for Water
-Flood Risk for New Development Framework & Guidance for Assessment & Management http://www.hydres.co.uk/
-Flood Risk Management Research Consortium http://www.floodrisk.org.uk/
-Tyndall Centre for Climate Change Research http://www.tyndall.manchester.ac.uk/