Optimal and Sustainable Groundwater Extraction
AbstractWith the specter of climate change, groundwater scarcity looms as an increasingly critical issue worldwide. Minimizing the adverse effects of scarcity requires optimal as well as sustainable patterns of groundwater management. We review the many sustainable paths for groundwater extraction from a coastal aquifer and show how to find the particular sustainable path that is optimal. In some cases the optimal path converges to the maximum sustainable yield. For sufficiently convex extraction costs, the extraction path converges to an internal steady state above the level of maximum sustainable yield. We describe the challenges facing groundwater managers faced with multiple aquifers, the prospect of using recycled water, and the interdependence with watershed management. The integrated water management thus described results in less water scarcity and higher total welfare gains from groundwater use. The framework also can be applied to climate- change specifications about the frequency, duration, and intensity of precipitation by comparing before and after optimal management. For the case of South Oahu in Hawaii, the prospect of climate change increases the gains of integrated groundwater management.
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Bibliographic InfoPaper provided by University of Hawaii Economic Research Organization, University of Hawaii at Manoa in its series Working Papers with number 2010-09.
Length: 19 pages
Date of creation: Jul 2010
Date of revision:
sustainability science; groundwater economics; dynamic optimization;
Other versions of this item:
- Q25 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Water
- Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth
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- Veith Becker & Anssi Myrttinen & Johannes A.C. Barth & Peter Bayer, 2011. "A Summary on the Special Issue “Sustainability of Groundwater”," Sustainability, MDPI, Open Access Journal, vol. 3(10), pages 1792-1795, October.
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