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ICOASST – integrating coastal sediment systems James Sutherland HR Wallingford.

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Presentation on theme: "ICOASST – integrating coastal sediment systems James Sutherland HR Wallingford."— Presentation transcript:

1 iCOASST – integrating coastal sediment systems James Sutherland HR Wallingford

2 the iCOASST project Four year R&D project funded by Natural Environment Research Council (NERC) and supported by Environment Agency (EA) Runs from 2012 to 2016 Coordinated by University of Southampton

3 The iCOASST team OrganisationPI & researchers University of SouthamptonRobert Nicholls, Justin Dix University of OxfordJim Hall, Andres Payo UCLJon French, Helene Burningham, Gillian Thornhill Swansea UniversityDominic Reeve, Harshinie Karunarathna University of ManchesterPeter Stansby NOC, LiverpoolAlex Souza, Jenny Brown HR WallingfordJames Sutherland, Richard Whitehouse, Jonathan Simm, Paul Cleverley, … BGSMichael Ellis, Andy Barkwith, Martin Hurst SubcontractorsCardiff University, Royal Haskoning and CCO

4 iCOASST objective The objective of this programme is to improve our capability to predict long-term and regional scale change on the coasts and in our estuaries in the UK.

5 iCOASST approach To develop, integrate and implement a hierarchical modelling framework.

6 iCOASST system map Systems mapping to characterise the relationships between coastal landforms and interventions – Exchanges of sediment – Influences

7 iCOASST System Map Hierarchy of Landform complexes Landforms Interventions. Identifies sediment pathways and influences

8 iCOASST System Map Maps can be analysed Common linkages Determines range of behavioural models Helps to identify feedback. Used to develop consensus and understanding of coast as a system

9 iCOASST behavioural landform models A new generation of behavioural landform models – capable of coupled application at regional scales – to resolve key feedbacks between climate forcing, sediment supply, morphology, erosion and flood risk

10 iCOASST behavioural landform models NERC’s proposal stated that: ‘Community modelling’ lies at the heart of model-based science that seeks to understand environmental dynamics at a system level. An OpenMI-coded modular format should be used to develop the concept of ‘community modelling’.

11 Generic cliff model

12 iCOASST behavioural landform models Used for modelling scenarios Multiple runs to give a range of outputs Anticipate likely range of outcomes Influence coastal management

13 iCOASST coastal area models Coastal area models – Quantitative analysis of sediment pathways – Particularly large-scale exchanges of fine sediment – supported by empirical analyses of shelf bathymetry and substrate


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