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Chapter 13 EXPERIENCE IN ASIA

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Document begins: Chapter 13 EXPERIENCE IN ASIA 13.1 Aral Sea region An analytical framework for sustainability analysis of irrigation water management in irrigation-dominated river basins has been developed by Cai et al. (2001) and applied in the Syr Darya river basin in the Aral Sea region in Central Asia. The dynamic modelling framework combines traditional water resources management models with indicators based on sustainability criteria. The model simulates the performance of short-term decisions so that the indicators can be quantified mathematically. The core of the framework is an inter-year control programme (IYCP) and a sequence of yearly models (YMs) ­ short-term (annual) optimisation models developed at the river basin scale. The model includes essential integrated hydrologic, agronomic and economic components, eg. · flow and pollutant (salt) transport and balance in the river basin network; · irrigation and drainage processes; · crop production functions, including the effects of both water stress and soil salinity; · benefit functions for both instream and offstream uses, accounting for economic incentives for salinity control and water conservation · tax and subsidy systems to induce efficient water allocation, improve irrigation-realted capacities, and protect the environment; · institutional rules and policies that govern water allocation. The model ...

Publication information

  • IIED code: G02170
  • Published: no date
  • Theme: Governance
  • Language: English

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