Digital Yellow River;  flood prevention and disaster reduction;  decision support;  GIS;  RS;  GPS;  Virtual reality

The construction of the "Digital Yellow River" project aims to realize the information management of the Yellow River and ultimately realize the modernization of the Yellow River water conservancy. Focusing on the three centers of "flood threat, contradiction between supply and demand of water resources, and deterioration of ecological environment", the implementation of the "Digital Yellow River" project is comprehensively driven by seven aspects: flood prevention and mitigation, water quantity scheduling, water quality monitoring, soil erosion control and monitoring, water conservancy project operation and management, e-government and the Yellow River network. The key supporting technologies of the "Digital Yellow River" include geographic information system, remote sensing technology, satellite global positioning system, communication network technology, spatial data (warehouse) database and virtual reality technology." The key to the Digital Yellow River project is the construction of the Yellow River Basin model.