IMPROVEMENT OF MANAGEMENT MECHANISMS AND ENSURING THE SAFE OPERATION OF THE AKHANGARAN RESERVOIR

Abstract

The article investigates methods for improving water discharge management and safety assurance mechanisms of the Akhangaran Reservoir. Based on the analysis of long-term hydrological data, the probabilistic distribution of maximum water discharges was determined using a three-parameter gamma distribution. Additionally, a comparison was conducted with the Gumbel Type I distribution. The calculations showed that the extreme water discharge with a 0,1% exceedance probability is 500 m³/s according to the three-parameter gamma distribution and 657 m³/s according to the Gumbel method, which is 31–32% higher. Based on these results, a reservoir operation rule curve (dispatch schedule) was developed, incorporating regulatory control of water levels and rates of inflow accumulation and release. This approach ensures efficient use of water resources and enhances safety under emergency conditions. The results of the study provide a scientific basis for the rational operation of the reservoir and for improving the reliability of hydraulic structures.