Geophysical and social vulnerability to floods at municipal scale under climate change: The case of an inner-city suburb of Sydney

Assessments of vulnerability to flooding can generate useful data for planners and policy makers. To the best authors knowledge, no flood-vulnerability study has combined geophysical modelling floods with socio-economic assessments at finer municipal or household scale. In addition, extent which actually feed into flood adaptation policies remains largely unknown. A new index, associated methodology, is proposed, combining high-resolution hydrological-hydraulic built-environment indicators smallest spatial scale available. The main advantage methodology its ability incorporate place-specific data, hence yielding more refined simulations capacity make projections climate futures local index built applied inter-city suburb Marrickville in Sydney used assess effects future change on mapping suburb. Finally, results assessment are presented to, discussed with, government authority responsible implementing Marrickville. Locally specific floods, mapping, yielded a rich set information significant variability within single Flood duration projected increase by than 100% under some scenarios, as result reduced drainage caused sea level rise. Feedback from council highlighted potential usefulness knowledge generated assessment, especially emergency services.