A GIS based spatial decision support system for analysing residential water demand: A case study in Australia

Lasinidu Jayarathna, Darshana Rajapaksa, Shunsuke Managi, Wasantha Athukorala, Benno Torgler, Maria A. Garcia-Valiñas, Robert Gifford, Clevo Wilson

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Managing water resources and the need to adapt both supply and demand side policies to a changing environment has become a priority in both developed and developing countries. This research demonstrates the application of the geographic information system (GIS) in modelling residential water demand in order to develop a spatial decision support system (SDSS). Household level survey data covering 90 suburbs within the Brisbane City Council (BCC), Queensland, Australia, are used for the analysis. First, residential water demand was estimated and the most significant variables found to predict high water use at the suburban level. These variables included household size, presence of a swimming pool, income and people over 65 years of age. By integrating this model with an SDSS, a spatial decision support system for residential water demand (SDSS-RWD) is developed. By producing maps which clearly display the different factors affecting residential water demand, the benefit of the SDSS-RWD is found in its use as a policy making tool for manipulating and evaluating effective water management strategies. In particular, the flexibility of the SDSS-RWD offers in evaluating changing determinants of residential water demand creates the capacity for local government bodies to analyse a range of alternative policies.

Original languageEnglish
Pages (from-to)67-77
Number of pages11
JournalSustainable Cities and Society
Volume32
DOIs
Publication statusPublished - Jul 1 2017

Fingerprint

decision support system
Decision support systems
water demand
Geographic information systems
information system
water
demand
Water
Swimming pools
policy making
Water management
local government
water use
household size
water management
municipal council
Water resources
Developing countries
developing world
water resource

All Science Journal Classification (ASJC) codes

  • Geography, Planning and Development
  • Civil and Structural Engineering
  • Renewable Energy, Sustainability and the Environment
  • Transportation

Cite this

A GIS based spatial decision support system for analysing residential water demand : A case study in Australia. / Jayarathna, Lasinidu; Rajapaksa, Darshana; Managi, Shunsuke; Athukorala, Wasantha; Torgler, Benno; Garcia-Valiñas, Maria A.; Gifford, Robert; Wilson, Clevo.

In: Sustainable Cities and Society, Vol. 32, 01.07.2017, p. 67-77.

Research output: Contribution to journalArticle

Jayarathna, L, Rajapaksa, D, Managi, S, Athukorala, W, Torgler, B, Garcia-Valiñas, MA, Gifford, R & Wilson, C 2017, 'A GIS based spatial decision support system for analysing residential water demand: A case study in Australia', Sustainable Cities and Society, vol. 32, pp. 67-77. https://doi.org/10.1016/j.scs.2017.03.012
Jayarathna, Lasinidu ; Rajapaksa, Darshana ; Managi, Shunsuke ; Athukorala, Wasantha ; Torgler, Benno ; Garcia-Valiñas, Maria A. ; Gifford, Robert ; Wilson, Clevo. / A GIS based spatial decision support system for analysing residential water demand : A case study in Australia. In: Sustainable Cities and Society. 2017 ; Vol. 32. pp. 67-77.
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