Group 1 - The core focus of the news is the development of an integrated monitoring and sensing system for water management in Beijing, referred to as the "Sky, Air, Water, and Engineering" system [1][2][3] - The system includes various innovative water management technologies such as unmanned cleaning boats, unmanned mowing boats, and intelligent monitoring systems for floating algae [1][2] - The construction of the Dianziling Reservoir, which will utilize intelligent construction methods, marks a significant advancement in Beijing's water infrastructure [1][4] Group 2 - The "Sky" component involves remote sensing satellite monitoring of water bodies, with drones assisting in capturing images for water monitoring [2] - The "Air" aspect focuses on the installation of rain radar systems, with three rain radar towers already deployed to predict rainfall in the Yongding River basin [2][3] - The "Ground" part consists of hydrological stations and ground-based radar equipment to monitor surface water conditions [2] - The "Water" segment includes unmanned vessels that can monitor water quality and aquatic life, while the "Engineering" component covers automation in monitoring dam displacements and leaks [2][3] Group 3 - The Dianziling Reservoir is designed to have a total capacity of 6.77 million cubic meters and is intended to enhance flood control capabilities in the region [4] - The use of AI technology in the construction of the reservoir is expected to improve construction efficiency by approximately 40% compared to traditional methods [4] - The project is classified as a disaster recovery and reconstruction initiative, with a design flood standard of once in 50 years and a verification flood standard of once in 500 years [4]