Water and sediment separated dispatching simulation method and system for high-sediment-content river reservoir

The invention discloses a water and sediment separated dispatching simulation method and system for a high-sediment-content river reservoir. The method comprises: obtaining basic parameters of a mainflow reservoir and a regulation and storage reservoir; according to the basic parameters, calculating the reservoir outlet flow of the two reservoirs in combination with a proposed scheduling application mode; calculating hydraulic factors of the two reservoirs by utilizing water flow motion characteristics according to the reservoir outlet flow of the two reservoirs; according to the hydraulic elements of the two reservoirs, calculating sediment erosion and deposition elements of all sections of the two reservoirs; calculating the terrain of the river channel at the end of the current time period according to the hydraulic factors and the sediment erosion-deposition factors; judging whether a simulation ending moment is reached or not to obtain a first judgment result; if not, updating the basic parameters of the