Modern Urban Hydrology Regional Victoria

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July 8, 2016


Impact of ensembles of full volume rain events on the hydrology of Armstrong Creek at Barwon Heads Road near Geelong (circa 2008)

A modern perspective on the hydrology processes of Armstrong Creek and Canadian Creek catchments in regional Victoria

Peter J Coombes, Mark Colegate, Luke Barber and Mark Babister. Presentation at Stormwater 2016 Conference: 11:05 am on Wednesday 31 August 2016

There is often considerable disagreement about the critical hydrological parameters and resultant hydrological, hydraulic and ecological responses of ungauged urban catchments.

New methods from the latest version of Australian Rainfall and Runoff (ARR2016) were used to analyse emerging urban catchments.  This included Regional Flood Frequency Estimation, rainfall runoff observations from nearby gauged catchments and ensembles of full volume rain events.

These processes were be used to transfer hydrology parameters from nearby gauged catchments to urban catchments with similar natural characteristics. This process allows the determination of a flood frequency analysis of the nearby urban catchment as demonstrated for Armstrong Creek near Geelong and Canadian Creek near Ballarat.


Dr Peter Coombes

Dr Coombes has spent more than 30 years dedicated to the development of systems understanding of the urban, rural and natural water cycles with a view to finding optimum solutions for the sustainable use of ecosystem services, provision of infrastructure and urban planning.

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