Journal article
Sensitivity of Australian roof drainage structures to design rainfall variability and climatic change
L Verstraten, C Wasko, G Ashford, A Sharma
Building and Environment | PERGAMON-ELSEVIER SCIENCE LTD | Published : 2019
Abstract
The main design determinant for small catchment hydraulic structures is rainfall intensity. Localised relationships between rainfall intensity, frequency and duration (IFD) are used to design each structure to a specified level of performance. However, limitations in rainfall observations introduce uncertainty in IFD values. Further, this uncertainty is compounded by changes in climatic conditions via anthropogenic forcing. Whether this is a cause for concern depends on the structure's sensitivity to deviations away from design rainfall values. Here, we investigate the ability of roof drainage systems to accommodate deviations in design rainfall. We assess the sensitivity of box gutter overf..
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Funding Acknowledgements
The authors would like to acknowledge and thank the Australian Government Bureau of Meteorology for the rainfall and temperature datasets used in this research. The data set can be obtained from http://www.bom.gov.au/climate/data/stations/.L.Verstraten is grateful for funding support from the Association of Hydraulic Services Consultants Australia. C. Wasko is grateful for funding support provided by the University of Melbourne Mckenzie Postdoctoral Fellowship.