Abstract
Coupled simulation-optimization models are useful tools for solving optimum water allocation and crop planning problems. In this study, the optimum crops pattern in the Arayez plain in the Karkheh river basin in Iran is determined by integration of a network flow programming (NFP) based simulation model and the shuffle frog leaping optimization algorithm (SFLA) in the form of a simulation-optimization approach. MODSIM applies NFP for finding water allocations which by use of its customization ability, the benefit of water supply for the agricultural crops is calculated based on the agronomic equations. The objective function is to maximize the total net benefit gained from crops production where the decision variables which are the irrigation depths and the cultivation areas are optimized by SFLA. Results show that by use of the coupled SFLA-NFP model, the net benefit increases 12% comparing the present situation in the plain. Also, the sensitivity analyses on effective parameters indicate that the potential maximum yield and the net price of the crops yield in the market have a direct impact on the crops optimum cultivation area.
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Acknowledgements
The second author would like to thank and acknowledge Professor S. Jamshid Mousavi from Amirkabir University of Technology, Tehran, Iran, for supervising his PhD research where a primary version of the present study was proposed and discussed.
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Fazlali, A., Shourian, M. A Demand Management Based Crop and Irrigation Planning Using the Simulation-Optimization Approach. Water Resour Manage 32, 67–81 (2018). https://doi.org/10.1007/s11269-017-1791-6
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DOI: https://doi.org/10.1007/s11269-017-1791-6