Keywords: calculation of flood wave parameters, flood, numeral method, Vilia reservoir, balance calculation

// Мелиорация. – 2016. – №1(75).– С. 26—31

The paper provides a methodology of calculation the movement of water flood wave in the river below reservoir. The system of equations: balance of flood and movement equation were solved by numeral method. The computer program has possibility to make a prognosis change of the river water level below reservoir. The authors gave an example of calculation for Vilia reservoir.