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PhD - Predicting future compound hazards of coastal flooding.
Wastewater assets in Low-Lying Coastal Zones are potentially at high risk from flood events, and it is vital to understand the future impacts and consequences of climate change on wastewater infrastructure.
Flooding can reduce the capacity of the sewer network, reduce outfall performance, exacerbate saline intrusion and potentially disable assets, leading to further flood risk to properties and water quality impacts, which will impact wastewater performance.
Employing simulation modelling techniques, this PhD aims to quantify flood risk of DCWW wastewater assets in LLCZ's across Wales.
How do we correctly parameterise an estuary model to be able to capture extreme events?
What environmental conditions cause the worst impact in terms of water quality and flooding?
(inundation, asset failure, total loss)
What are the consequential impacts of compound flooding?
(saline intrusion, asset resilience, virus dispersal (COVID-19),
How will risk change in the future?
(magnitude, frequency, timing, loss projection)
Aims and outcomes
Improve the DCWW AMP6 model to resolve high intensity storms
Simulate wastewater asset flood risk and water quality issues (Undertake case study of a suitable Welsh estuary before elaborating the methodology for any region in Wales)
Assess future risk to DCWW assets and services
Develop compound flood loss projection
Isolate assets most at risk and understand how this risk may change in the future
Provide a basis for resilience planning and recovery
Help DCWW understand the environmental conditions that could cause the worst impact in terms of water quality