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Abstract
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A hybrid simulation-optimization model is proposed for the optimal conjunctive operation of surface and groundwater resources. This second-level
model is created by finding and combining the best aspects of two resilient
metaheuristics, the moth swarm algorithm and the symbiotic organization
search algorithm, and then connecting the resulting algorithm to an artificial
neural network simulator. For assessment of the developed model efficiency,
its results are compared with two first-level simulation-optimization models.
The comparisons reveal that the operation policies obtained by the developed
second-level model can reliably supply more than 99% of the total demands in
the study regions, indicating its superior efficiency compared to the two other
first-level models. In addition, the highest sustainability index in the study
regions belongs to the proposed model. Comparing the results of this research
with those of other recent studies confirm the supremacy of the developed
second-level model over several previously developed models.
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