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Water Conservancy Digital Twinning is a new technology that allows engineers and technicians to create virtual models of water systems that mimic real-world environments. This technology uses advanced algorithms and computer modeling to create simulations of water systems, allowing engineers and technicians to test and optimize these systems before they are built. The virtual environment can be used to simulate various scenarios, such as flooding, drought, and other natural disasters, and to test the performance and efficiency of water systems under different conditions.
At the beginning of 2022, the Ministry of Water Resources issued the Guiding Opinions on Vigorously Promoting the Construction of Smart Water Conservancy (hereinafter referred to as the Guiding Opinions), which put forward the main tasks of promoting the construction of smart water conservancy: first, the construction of digital twin river basins, including the construction of digital twin platforms and the improvement of information infrastructure. The second is to build the "2 + N" water conservancy intelligent business application system, including the construction of river basin flood control application, the construction of water resources management and deployment application, and the construction of N business applications. Third, strengthen the water conservancy network security system, including water conservancy network security management, water conservancy network security protection, water conservancy network security supervision.
The construction of digital twin river basin and water conservancy digital twin projects is one of the implementation paths and one of the most important signs to promote the high-quality development of water conservancy in the new stage, and it is a strong support for improving the scientific, accurate and efficient ability and level of water conservancy decision-making and management.
Water conservancy digital twinning is put forward, puts forward the digital twin basin and water conservancy digital twin project, with the help of twin body, to support water conservancy industry defense, water resources wisdom management, lakes wisdom management "2 + N" application system, realize all application plate "four" (forecast, early-warning, preview and reserve plan).
The function of the water conservancy digital twinning project refers to the complex system of virtual reproduction of real water conservancy project in digital space. The utility of water conservancy digital twin project can include at least six aspects:
First, disaster prevention and mitigation. This is the primary goal of the water conservancy digital twin project. To realize the rainfall forecast, flood forecast, the joint dispatch of flood control hub projects, flood evolution, the formulation of flood control plan and other functions.
Second, water volume scheduling. Runoff forecast during dry season, ecological simulation of estuary area, real-time scheduling of water resources, the automatic monitoring of water diversion gate, and groundwater observation should be realized.
Third, water quality monitoring. Water quality monitoring section is set up at the inter-provincial section of the main stream and the estuary of the main tributaries to monitor the water quality of each section in real time, and then predict the water quality condition and change of the river, and make early warning and forecast of water quality for water users, especially urban residents.
Fourth, soil erosion control and monitoring. To realize the dynamic understanding and mastery of the soil erosion situation and control degree in a certain area, and to make a macro evaluation of the economic, social and ecological benefits of soil erosion control.
Fifth, the operation and management of water conservancy projects. It is necessary to understand and master the current situation and operation status of water conservancy projects in real time, so as to provide accurate real-time basis for flood control dispatching and unified dispatching of water resources.
Sixth, e-government affairs. Realize office automation and information resource recovery, improve the office efficiency and accuracy of water conservancy project operation and management units, and reduce office costs.
In recent years, with the rapid development of sensing, cloud computing, big data and artificial intelligence and other technologies, digital twin has finally attracted wide attention, and also provided a foundation for its application in all walks of life. Water conservancy construction is an important task for people's livelihood. We hope that the "digital twin" will contribute to the high-quality development of smart water conservancy in China.
