Core Viewpoint - The construction of a digital twin water conservancy system has significantly improved flood forecasting capabilities in China, extending the flood prediction period from 3 days to 10 days, which supports effective flood management and disaster response [2][5]. Group 1: Digital Twin Water Conservancy System - The digital twin water conservancy system enhances the "four pre" functions: forecasting, early warning, simulation, and planning [3]. - A comprehensive monitoring and sensing system integrating "sky, land, water, and engineering" has been established to provide real-time information for risk monitoring and prevention in water conservancy projects [3]. Group 2: Flood Management and Capacity - The flood storage capacity of the seven major rivers in China has reached 2,104 billion cubic meters, enabling the country to defend against the largest floods since the founding of the People's Republic of China [7][9]. - Since the beginning of the 14th Five-Year Plan, 3,981 rivers have experienced floods exceeding warning levels, with 223 rivers recording the largest floods on record [9]. Group 3: Water Resource Management - During the 14th Five-Year Plan, the total water consumption in China achieved zero growth despite an average economic growth rate of 5.5% [12]. - The water usage per unit of GDP and per unit of industrial added value is projected to decrease by 17.7% and 23.6%, respectively, by 2024 compared to 2020 [16]. Group 4: Water Conservation Initiatives - The government is promoting water-saving actions across key industries and enhancing irrigation modernization, particularly in the Yellow River basin and the South-to-North Water Diversion project areas [14][18]. - The area of water-saving irrigation has reached 6.38 million acres, with the effective utilization coefficient of irrigation water in farmland increasing to 0.58 [16].

Group 1 - The 2025 summer grain purchasing season is nearing completion, with over 100 million tons of wheat purchased nationwide [2][10] - The financial support for the real economy continues to increase, with the social financing scale stock reaching 433.66 trillion yuan, a year-on-year increase of 8.8% [11] - From January to August, the national railway completed fixed asset investment of 504.1 billion yuan, a year-on-year increase of 5.6% [12] Group 2 - During the 14th Five-Year Plan period, Shanxi is focusing on promoting new industrialization, with the added value of manufacturing growing at an average annual rate of 8.1% [8] - Inner Mongolia has completed over 10 million acres of the "Three North" project and has effectively increased forest coverage to 21.77% [9]

Core Viewpoint - During the "14th Five-Year Plan" period, China is accelerating the construction of a digital twin water conservancy system, enhancing water management and governance capabilities through advanced monitoring and forecasting technologies [1][4]. Group 1: Monitoring and Detection Systems - China has established a comprehensive monitoring and perception system consisting of 31 remote sensing satellites, over 4,000 drones, more than 100 rain radar stations, 133,000 ground water monitoring stations, and over 300,000 safety monitoring points for water conservancy projects [4]. - The system integrates various technologies, including infrared cameras and laser radars on drones, to detect issues such as dam leakage and piping [1][4]. Group 2: Flood Prevention and Management - The country is advancing the "four-preparation" capabilities for flood prevention across seven major river basins, providing strong support for resisting regional flooding [4]. - The development of models such as the "cloud-rain" precipitation forecasting model and hydrodynamic flood propagation model aims to extend the forecasting period and improve accuracy [7]. Group 3: Disaster Defense Systems - The Yellow River Water Resources Commission is working on a disaster defense system by comparing physical parameters and experimental results between the prototype Yellow River and the digital twin Yellow River [6].

Core Viewpoint - The document outlines the importance of the recently issued guidelines by the Central Committee of the Communist Party of China and the State Council on comprehensive river protection and governance, emphasizing the need for a modernized flood disaster prevention system in response to increasing extreme weather events [1][5][6] Group 1: Flood Disaster Prevention System - The Ministry of Water Resources aims to establish a new flood prevention and disaster reduction framework, focusing on the principle of "people first, life first" and enhancing the capacity to respond to extreme weather events [2][6] - The modern flood disaster prevention system consists of three major components: improving flood control engineering systems, enhancing rainwater monitoring and forecasting systems, and establishing a comprehensive disaster prevention work mechanism [2][6] - Specific measures include strict implementation of disaster prevention responsibilities, rolling rainwater monitoring, and unified dispatch of flood control projects using digital twin technology [3][4] Group 2: Current Flood Situation - As of July 4, 2023, 329 rivers have experienced floods exceeding warning levels, with extreme rainfall causing landslides and urban flooding in some areas [1][3] - The government is focusing on four key objectives: ensuring no casualties, preventing dam failures, protecting critical levees, and safeguarding essential infrastructure [1][3] Group 3: Ecological and Water Resource Management - The guidelines stress the need for ecological restoration and protection of rivers and lakes, addressing issues such as water resource over-extraction and wetland shrinkage [6] - A comprehensive approach to river governance is necessary, considering the uneven distribution of water resources across regions and promoting coordinated regional development [6]

Core Viewpoint - The Ministry of Water Resources is actively promoting the construction of digital twin river basins, digital twin water networks, and digital twin engineering to enhance water management and infrastructure development [1] Group 1: Infrastructure Development - The Ministry emphasizes accelerating the construction of water infrastructure and solidly advancing the reinforcement of dangerous reservoirs and the management of flood retention areas [1] - The goal is to complete the three-year action plan for the important embankments of seven major rivers [1] Group 2: Rural Water Supply - The Ministry aims to modernize irrigation areas and implement standardized construction and management models for rural water supply, referred to as the "3+1" standard [1] - This initiative is intended to improve the safety and reliability of rural water supply systems [1] Group 3: Digital Twin Initiatives - The Ministry is enhancing the integrated monitoring and perception capabilities of water resources through the promotion of digital twin technologies [1] - The focus is on establishing a comprehensive digital twin water resources system to improve overall water management [1]

Core Viewpoint - The Guangdong Provincial Government has issued the "Guangdong Water Network Construction Plan" to enhance water security and infrastructure from 2022 to 2035, aligning with national strategies for modern water management [2][3]. Group 1: Overall Requirements - The plan emphasizes the importance of Xi Jinping's thoughts and aims to enhance water security while promoting high-quality development and ecological construction [3]. - It aims to create a modern water network that is efficient, safe, and beneficial to the public, supporting Guangdong's role in China's modernization [3]. Group 2: Planning Goals - By 2035, the plan aims to establish a comprehensive water network in Guangdong, connecting with national systems and ensuring high-quality water supply and ecological standards in the Greater Bay Area [5]. - The plan envisions a water governance system that meets the aspirations of the people and aligns with high-quality development requirements by 2050 [5]. Group 3: Water Network Layout - The plan outlines a water network layout based on river basins, emphasizing interconnectivity and resilience, integrating flood control, water supply, irrigation, and ecological protection [6]. - Key river systems and water resource allocation projects are identified as the backbone of the water network [6]. Group 4: Water Resource Configuration - The plan promotes the construction of major water diversion projects and enhances the capacity for precise water resource allocation in the Greater Bay Area [8][9]. - It aims to improve the emergency water supply systems for urban areas and enhance the overall water supply security [9]. Group 5: Flood Safety Network - The plan includes measures to enhance flood control capabilities through the construction of reservoirs and flood control projects [10][11]. - It emphasizes the need for a comprehensive flood risk management system that combines engineering and non-engineering measures [10]. Group 6: Ecological Network - The plan focuses on ecological restoration and the construction of green corridors to maintain healthy river ecosystems [14]. - It aims to enhance the protection of important water sources and improve water quality through various ecological measures [15]. Group 7: Rural Water Network - The plan seeks to improve rural water supply systems and promote integrated urban-rural water management [16][17]. - It emphasizes the modernization of irrigation systems and the development of a comprehensive rural water network [17]. Group 8: Digital Twin Water Network - The plan advocates for the establishment of a digital twin water network to enhance monitoring, management, and decision-making capabilities [19][20]. - It aims to integrate digital technologies into water management to improve efficiency and responsiveness [19]. Group 9: Water Management Reform - The plan calls for reforms in water management to enhance coordination between different levels of water networks and related industries [21][22]. - It emphasizes the importance of innovative financing mechanisms and the promotion of water-saving technologies [22][23]. Group 10: Implementation and Coordination - The plan stresses the need for strong leadership and coordination among various departments to ensure effective implementation [24]. - It highlights the importance of public participation and environmental impact assessments in the planning process [24].