Journal
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION
Volume 4, Issue 3, Pages 1118-1141Publisher
MDPI
DOI: 10.3390/ijgi4031118
Keywords
flood risk; LISFLOOD-FP; seasonality; spatiotemporal population modelling; SurfaceBuilder247; St Austell
Funding
- Economic and Social Research Council [ES/J500161/1]
- Economic and Social Research Council [1223078] Funding Source: researchfish
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Human populations are not static or uniformly distributed across space and time. This consideration has a notable impact on natural hazard analyses which seek to determine population exposure and risk. This paper focuses on the coupling of population and environmental models to address the effect of seasonally varying populations on exposure to flood risk. A spatiotemporal population modelling tool, SurfaceBuilder247, has been combined with LISFLOOD-FP flood inundation model outputs for a study area centred on the coastal resort town of St Austell, Cornwall, United Kingdom (UK). Results indicate strong seasonal cycles in populations and their exposure to flood hazard which are not accounted for in traditional population datasets and flood hazard assessments. Therefore, this paper identifies and demonstrates considerable enhancements to the current handling of spatiotemporal population variation within hazard exposure assessment and disaster risk management.
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