Modelling basin level allocation of water in the Murray Darling Basin in a world of uncertainty

David Adamson, Thilak Mallawaarachchi and John Quiggin

No 149844, Risk and Sustainable Management Group Working Papers from University of Queensland, School of Economics

Abstract: The Murray-Darling Basin comprises over 1 million km2; it lies within four states and one territory; and over 12, 800 GL of irrigation water is used to produce over 40% of the nation's gross value of agricultural production. This production is used by a diverse collection of some-times mutually exclusive commodities (e.g. pasture; stone fruit; grapes; cotton and field crops). The supply of water for irrigation is subject to climatic and policy uncertainty. Variable inflows mean that water property rights do not provide a guaranteed supply. With increasing public scrutiny and environmental issues facing irrigators, greater pressure is being placed on this finite resource. The uncertainty of the water supply, water quality (salinity), combined with where water is utilised, while attempting to maximising return for investment makes for an interesting research field. The utilisation and comparison of a GAMS and Excel based modelling approach has been used to ask: where should we allocate water?; amongst what commodities?; and how does this affect both the quantity of water and the quality of water along the Murray-Darling river system?

Keywords: Environmental Economics and Policy; Risk and Uncertainty (search for similar items in EconPapers)
Pages: 18
Date: 2004
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Citations: View citations in EconPapers (3)

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Related works:
Working Paper: Modelling basin level allocation of water in the Murray Darling Basin in a world of Uncertainty (2005)
Working Paper: Modelling basin level allocation of water in the Murray Darling Basin in a world of uncertainty (2005)
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Persistent link: https://EconPapers.repec.org/RePEc:ags:uqsers:149844

DOI: 10.22004/ag.econ.149844

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