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Components of the Total Water Balance of an Urban Catchment

Authors:	V. Grace?Mitchell author-information" > author-information__contact u-icon-before" > mailto:Grace.Mitchell@csiro.au" title=" Grace.Mitchell@csiro.au" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,Thomas A.?McMahon,Russell G.?Mein

Affiliation:	(1) CSIRO Manufacturing and Infrastructure Technology, PO Box 56, Highett, Victoria 3190, Australia;(2) Cooperative Research Centre for Catchment Hydrology, Department of Civil and Environmental Engineering, University of Melbourne, Victoria 3010, Australia;(3) Cooperative Research Centre for Catchment Hydrology, Department of Civil Engineering, PO Box 60, Monash University, Victoria 3800, Australia

Abstract:	A daily model was used to quantify the components of the total urban water balance of the Curtin catchment, Canberra, Australia. For this catchment, the mean annual rainfall was found to be three times greater than imported potable water, and the sum of the output from the separate stormwater and wastewater systems exceeded the input of imported potable water by some 50%. Seasonal and annual variations in climate exert a very strong influence over the relative magnitude of the water balance components; this needs to be accounted for when assessing the potential for utilizing stormwater and wastewater within an urban catchment.

Keywords:	Hydrologic balance Budget Urban Stormwater Wastewater Water supply
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