Urban water mass balance analysis

Kenway, Steven, Gregory, Alan and McMahon, Joseph (2011) Urban water mass balance analysis. Journal of Industrial Ecology, 15 5: 693-706. doi:10.1111/j.1530-9290.2011.00357.x


Author Kenway, Steven
Gregory, Alan
McMahon, Joseph
Title Urban water mass balance analysis
Journal name Journal of Industrial Ecology   Check publisher's open access policy
ISSN 1088-1980
1530-9290
Publication date 2011-10
Sub-type Article (original research)
DOI 10.1111/j.1530-9290.2011.00357.x
Volume 15
Issue 5
Start page 693
End page 706
Total pages 14
Place of publication Hoboken, NJ, United States
Publisher Wiley-Blackwell Publishing
Collection year 2012
Language eng
Abstract Planning for “water-sensitive” cities has become a priority for sustainable urban development in Australia. There has been little quantification of the term, however. Furthermore, the water balance of most cities is not well known. Following prolonged drought, there has also been a growing need to make Australian cities more water self-reliant: to source water from within. This article formalizes a systematic mass-balance framework to quantify all anthropogenic and natural flows into and out of the urban environment. Quantitative performance indicators are derived, including (1) degree of system centralization; (2) overall balance; potential of (3) rainfall, (4) stormwater, and (5) wastewater to offset current demand; and (6) water cycle rate. Using the method, we evaluate Sydney, Melbourne, South East Queensland and Perth using reported and modeled data. The approach makes visible large flows of water that have previously been unaccounted and ignored. It also highlights significant intercity variation. In 2004–2005, the cities varied 54% to 100% in their supply centralization, 257% to 397% in the ratio of rainfall and water use, 47% to 104% in their potential stormwater recycling potential, and 26% to 86% in wastewater recycling potential. The approach provides a practical, water-focused application of the urban metabolism framework. It demonstrates how the principles of mass balance can help foster robust water accounting, monitoring, and management. More important, it contributes to the design and quantitative assessment of water-sensitive cities of the future.
Keyword Industrial ecology
Mass balance
Performance indicator
Urban metabolism
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
Advanced Water Management Centre Publications
 
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