Increasing rainwater yield in water sensitive cities using short-term rainfall forecasts

Paper


Taylor, Benjamin A.. 2012. "Increasing rainwater yield in water sensitive cities using short-term rainfall forecasts." Barnes, David (ed.) National Groundwater Workshop (Ozwater 2012): Sharing Knowledge, Planning the Future. Sydney, Australia 08 - 10 May 2012 Sydney, Australia.
Paper/Presentation Title

Increasing rainwater yield in water sensitive cities using short-term rainfall forecasts

Enhancing rainwater harvesting with short-term rainfall forecasts in water sensitive cities

Presentation TypePaper
Authors
AuthorTaylor, Benjamin A.
EditorsBarnes, David
Journal or Proceedings TitleProceedings of the National Groundwater Workshop (Ozwater 2012)
ERA Conference ID42551
Number of Pages5
Year2012
Place of PublicationSydney, Australia
Web Address (URL) of Paperhttp://www.ozwater.org
Conference/EventNational Groundwater Workshop (Ozwater 2012): Sharing Knowledge, Planning the Future
Australian Water Association Convention - Ozwater
Event Details
Australian Water Association Convention - Ozwater
Rank
C
C
C
Event Details
National Groundwater Workshop (Ozwater 2012): Sharing Knowledge, Planning the Future
Event Date
08 to end of 10 May 2012
Event Location
Sydney, Australia
Abstract

Rainwater harvesting performance is examined in Brisbane and Sydney for three rainwater tank configurations comprising: 1) A conventional 5kL tank; 2) A 5kL tank with a fixed leaking compartment for baseflow (240 L/d); and 3) As with leaking but including a variable diversion compartment (480 L/day) controlled by short-term rainfall forecasts. This concept is referred to as adaptive rainwater diversion (ARD). Result show the ARD system achieves superior emulation of pre-urban runoff frequencies, runoff volumes and baseflows, while maintaining the household rainwater supply to within 90% of conventional systems, and also while producing an additional water resources of up to 60kL/hh/y. With these outcomes, the ARD system could potentially create an avenue to approach water sensitive cities in Eastern Australia.

Keywordsadaptive rainwater diversion; baseflow; flow frequency-duration; urban rainwater; water sensitive urban design; water cycle management
ANZSRC Field of Research 2020370704. Surface water hydrology
400513. Water resources engineering
330410. Urban analysis and development
Byline AffiliationsAustralian Centre for Sustainable Catchments
Institution of OriginUniversity of Southern Queensland
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