Abstract
The article considers methodical approaches to the analysis of the current state of the management problem of water economic systems under non-stationarity of multi-year fluctuations of surface water resources. Application of the simulation modeling method for solving water management problems is substantiated. The main provisions of the analysis of initial hydrological information to control the operation regime of the Volga-Kama cascade of hydraulic units are given. Methodical provisions for the analysis of the operation regime of complex water management systems with a cascade of hydraulic units with reservoirs in its structure are formed. The operation modes of the Volga-Kama cascade of hydraulic units under the conditions of different water content of the Volga River are analyzed. The considered methodic provisions are illustrated by the examples of simulated modeling of the Volga-Kama cascade operational regime under average water content conditions. The structure of modern water management systems and their functioning is presented as an open multicomponent dynamic system. The ultimate goal of the analysis technique of the water management system with the knowledge of the regularities of hydrological system formation is development of formalized mathematical models of this system functioning and investigation of many alternative variants under different natural-economic conditions.
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