Explore the challenges of sustaining groundwater irrigation in Mardin Kzltepe Plains of Southeast Turkey, highlighted at the 36th International Conference of the System Dynamics Society in Reykjavik, Iceland. The presentation delves into the complexities surrounding groundwater as a depletable common pool resource, discussing issues of high subtractability, low excludability, and appropriation problems. Insights on regulation and control efforts, along with preliminary policy testing on incentives for irrigation efficiency and water pricing, point towards the need for a shared understanding to address the demand-side provision problems in agriculture.
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Presentation Transcript
THE 36TH INTERNATIONAL CONFERENCE OF THE SYSTEM DYNAMICS SOCIETY REYKJAV K, ICELAND Sustaining Groundwater Irrigation in Mardin K z ltepe Plains of Southeast Turkey Ali K. Saysel, Bogazici University, Istanbul Adnan Mirhano lu, KU Leuven, Belgium 0:00-0:30
Problem Statement Groundwater is a depletable common pool resource, characterized by: High subtractability Low excludability Appropriation and provision problems Demand side provision problems are caused by farmers tendency to: Irrigate more of their lands Switch to more water consumptive crops Dig deeper wells and use more pump power Regulation and control efforts need to rely on a complex feedback understanding of the problem 0:30-2:00
Progress and Insights to Share Preliminary policy testing: Incentives for irrigation efficiency Water consumption per hectare decreases, however the overall irrigated land increases, therefore water consumption decreases less than it would be otherwise (the water rebound). Incentives for less water consumptive irrigated crops Similar outcomes with the first policy. Effective water pricing for controlling the rebound! Controversial from the farmers side this is where a shared understanding is needed. 3:30-5:00
