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Combination hazard in estuaries and coasts (co-organized)
Convener: Tom Coulthard  | Co-Conveners: Ivan Haigh , Matt Lewis , Peter Robins , Michalis Vousdoukas , Eric Wolanski 
 / Tue, 10 Apr, 13:30–15:00

The combination hazard of extreme tide, rainfall, wave and storm surge events for coasts and estuaries are driven by the spatial and temporal distribution of events. However, sea level rise and changes in storm patterns will change the joint probability of multiple hazard events occurring and may even conspire to generate an extreme combination hazard event. These changes could make our previous understanding of risk and mitigation measures, obsolete. The changing distribution of events challenges existing probabilistic approaches to combination hazard assessment and recent developments in hydrological and hydrodynamic modelling mean process based assessments may now be possible.
This session therefore aims to better understanding coastal hazard events by bringing together researchers from all flood risk, extreme value analysis, earth system processes and climate change disciplines. The session has a broad scope and welcomes research studying past and future combination hazards, from field, statistical and numerical modelling approaches in coastal and estuarine contexts. Whilst broadly focused on flood/inundation risk the session also welcomes contributions looking at combination hazard impacts on the geomorphology and geochemical/nutrient fluxes in coasts and estuaries.