1. IMPACT 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 1 Investigation of extreme flood Processes and uncertainty IMPACT Investigation of Extreme Flood Processes And Uncertainty

2. IMPACT 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 2 Investigation of extreme flood Processes and uncertainty IMPACT Investigation of ExtreMe Flood Processes And UnCertainTy

3. IMPACT 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 3 Investigation of extreme flood Processes and uncertainty IMPACT Investigation of Extreme Flood Processes and Uncertainty A (brief) Intro

4. IMPACT Investigation of extreme flood Processes and uncertainty 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 4 What is IMPACT? A research programme supported by the European Commission under the fifth framework programme and contributing to the implementation of the Generic Activity on Natural and Technological Hazards within the Energy, Environment and Sustainable Development Programme A 3 year research programme - started Dec 2001; ends Nov 2004 (4th workshop, Zaragoza, Spain in Autumn) A Project comprising 11 partners from 10 countries [See brochure and CD ROMS from workshops #1 and #2] [www.impact-project.net]

5. IMPACT Investigation of extreme flood Processes and uncertainty 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 5 The problem to be solved... “The assessment and reduction of risks from extreme flooding caused by natural events or the failure of dams and flood defence structures” (Structures = dams, weirs, sluices, flood embankments, dikes, tailings dams etc.)

6. IMPACT Investigation of extreme flood Processes and uncertainty 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 6 The problem to be solved... “To manage and minimise (flood) risks effectively it is necessary to be able to identify hazards and vulnerability in a consistent and reliable manner, to have good knowledge of structure behaviour in emergency situations, and to understand the potential consequences of failure in order to allow effective contingency planning for public safety”

7. IMPACT Investigation of extreme flood Processes and uncertainty 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 7 Scientific Objectives & Approach Objectives are to: Advance scientific knowledge / understanding Develop predictive tools / methods in five areas:

8. IMPACT Investigation of extreme flood Processes and uncertainty 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 8 Scientific Objectives & Approach Breaching of embankments (dams & flood defences) (WP2) Flood propagation through valley and urban areas (WP3) Movement of sediment (WP4) Quantifying risk and uncertainty (WP5) Geophysics and field data collection (WP6) Recommendations from CADAM www.hrwallingford.co.uk/projects/CADAM

9. IMPACT Investigation of extreme flood Processes and uncertainty 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 9 Scientific Objectives & Approach Sediment Movement [WP4] Flood Propagation [WP3] Breach Formation [WP2] Risk & uncertainty Assessment of individual and combined uncertainty Implications for End User Applications [WP5] Geophysics / Field Data [WP6]

10. IMPACT Investigation of extreme flood Processes and uncertainty 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 10 Scientific Objectives & Approach Generic approach is via a combination of: Fieldwork Laboratory physical modelling Desk analysis Computational modelling including a focus upon assessment of process uncertainty in all areas

11. IMPACT Investigation of extreme flood Processes and uncertainty 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 11 Benefits of the IMPACT Project Ultimately a reduction in risk to the public through: improved understanding of extreme processes, hence improved understanding of associated risks to the public, environment, assets etc. improved reliability of modelling tools improved understanding of modelling results, leading to more appropriate application of predictions (e.g. emergency planning

12. IMPACT Investigation of extreme flood Processes and uncertainty 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 12 Some Key Aspects of Implementation The Overall Approach To keep a focus on overall objectives and application by end users To complement and benefit from other National & International R&D (interaction with additional organisations wherever possible) End user take up / application of results

13. IMPACT Investigation of extreme flood Processes and uncertainty 6-7th November 20033rd IMPACT Project Workshop Louvain-la-Neuve 13 Immediate Implementation... 3rd IMPACT Workshop hosted here at Louvain-la-Neuve Thur amupdate on WP progress Thur pmfocus on sediment issues across industry Fri ambenchmark tests (various WPs) Fri pm overall case study / discussion sessions ____________