Core Viewpoint - The recent floods in the Han River, despite being significant in terms of rainfall and frequency, have been effectively managed through advanced technology and coordinated water resource management, preventing any overflow in the lower reaches of the river [1][2][3]. Group 1: Flood Events and Management - The Han River experienced five numbered floods since September, with a cumulative rainfall of 518 millimeters in the upper reaches, approximately double the average for previous years [2]. - The floods are described as the "most concentrated autumn floods" since records began, yet the lower reaches of the Han River did not exceed warning levels, and daily life remained unaffected [2][3]. - The effective management of these floods was attributed to the coordinated operation of upstream reservoirs, particularly the Danjiangkou Reservoir, which played a crucial role in flood control [2][3]. Group 2: Technological Advancements - The implementation of the "Digital Twin Danjiangkou Project" and the trial operation of rainfall radar have significantly improved the accuracy of rainfall forecasts, aiding in precise flood management [2]. - The use of shared meteorological data has enhanced the ability to predict short-term rainfall events, supporting refined flood control measures [2]. Group 3: Resource Management - The flood management strategy also focused on resource utilization, with a total of 11.7 billion cubic meters of floodwater being retained in the upstream reservoirs, including 8.5 billion cubic meters in the Danjiangkou Reservoir [3]. - This approach not only addressed immediate flood risks but also ensured sufficient water supply for the South-to-North Water Diversion Project in the upcoming year [3].

Core Viewpoint - The article discusses the ongoing impact of Typhoon "Yangliu" and extreme rainfall in various regions of China, emphasizing the need for continued flood prevention measures despite the end of the critical flood prevention period known as "Qixiang" [1][2]. Group 1: Flood Situation and Response - The "Qixiang" period has seen extreme rainfall in northern regions, with 330 rivers experiencing floods above warning levels, and 22 rivers recording the highest floods since records began [2]. - Three typhoons made landfall during the "Qixiang" period, which is one more than the average for this time of year, affecting 13 provinces and causing significant rainfall and flooding [2]. - The flood situation has varied across regions, with some areas experiencing rapid water level rises, such as the North Luo River, which saw a 10.4-meter increase in just 11 hours [2][7]. Group 2: Future Weather Predictions - Forecasts indicate that from late August, regions including Northeast, North China, and South China will experience above-average rainfall, with some areas expecting 30% to 60% more precipitation [3]. - In September, it is anticipated that 10 to 11 typhoons will form in the Northwest Pacific and South China Sea, with 2 to 3 expected to impact or land in China [3]. Group 3: Technological Support in Flood Prevention - The Ministry of Water Resources has enhanced monitoring and forecasting capabilities through advanced technologies, including satellite and radar systems, to improve flood prediction accuracy [4][5]. - During recent flood events, the use of modern hydrological monitoring equipment, such as drones and radar, has significantly improved data timeliness and forecasting precision [4][5]. Group 4: Water Engineering and Management - During the "Qixiang" period, 1,388 large and medium-sized reservoirs were utilized to store 146.5 billion cubic meters of floodwater, effectively reducing downstream flood pressure and preventing the displacement of over 1.06 million people [7]. - The Ministry of Water Resources has focused on the safe operation of water engineering projects, employing advanced technologies to monitor dam conditions and prevent risks such as dam failure [8].

Core Viewpoint - The use of drones by the company Beijing Badaling Low-altitude Technology Development Co., Ltd. is enhancing flood prevention efforts in the Yanqing District of Beijing, particularly in response to rising water levels due to recent heavy rainfall [1][2]. Group 1: Company Operations - The company has deployed 25 drone nests across 18 key areas in Yanqing District for flood monitoring [2]. - Drones can manage flight plans automatically or be remotely controlled for immediate tasks, generating detailed reports upon detecting anomalies [2]. - From August 2 to 3, the drone nests completed 21 flights totaling 8 hours, while emergency teams conducted 41 flights totaling 16 hours, identifying 24 potential post-disaster hazards [2]. Group 2: Technology and Monitoring - The drones are equipped with high-definition cameras to monitor risk areas, such as water edges where people may gather [1]. - The integration of intelligent drone nests and rapid response teams creates a comprehensive monitoring network for flood prevention [2]. - All identified issues, including images and coordinates, are promptly reported to relevant authorities for quick resolution [2].

Core Viewpoint - The article discusses the proactive measures taken by Sichuan province to manage flood risks during the main flood season, emphasizing the use of advanced technology and scientific water management strategies to mitigate the impact of heavy rainfall and potential flooding [3][8][10]. Monitoring and Early Warning - Sichuan has implemented advanced monitoring systems, including phased upgrades to rainfall radar technology, to predict risks of mountain floods and mudslides, enhancing the ability to respond to severe weather events [5][6][7]. - Real-time rainfall data from over 50 kilometers away is utilized to assess flood risks, allowing for timely evacuations of affected populations [6][7]. Flood Response - The province has effectively managed floodwaters through coordinated operations of key water infrastructure, such as the Zhipingpu Reservoir, which has significantly reduced peak flood flows by 60% [8][10]. - The combined efforts of various water management projects have successfully lowered water levels in critical areas, preventing severe flooding in urban centers [9][10]. Risk Assessment - The use of high-tech diagnostic tools for monitoring dam safety has been introduced, moving away from traditional manual inspections to a more data-driven approach [11][12]. - The province is also focusing on enhancing monitoring capabilities for sudden natural disasters like mountain floods and mudslides through innovative technologies [13]. Water Resource Management - Despite current flood management successes, concerns about potential drought conditions in the future have prompted efforts to ensure adequate water reserves are maintained [14]. - As of early July, Sichuan's water conservation efforts have resulted in over 70 billion cubic meters of stored water, providing a buffer against possible drought scenarios [14].

Group 1 - The core viewpoint is that Fugu County in Yulin City, Shaanxi Province, is actively building a collaborative system of "human defense + technical defense + physical defense" to enhance flood prevention efforts through technological innovation [1] - The use of drone technology for daily inspections of reservoirs and rivers has significantly improved the efficiency and safety of flood response, allowing for quick assessment and action in case of emergencies [1][3] - Automatic monitoring stations and video surveillance have been established at key locations, providing intelligent early warning capabilities to detect potential hazards and ensure timely responses [3] Group 2 - Fugu County has invested over 2 million yuan to establish 20 water level video monitoring stations equipped with radar water level gauges and video monitoring, enabling real-time data collection and 24-hour monitoring of water conditions [3][4] - A comprehensive defense system has been developed, including 55 specialized plans for flood and mountain flood prevention, alongside public education efforts that have distributed over 5,000 flood prevention knowledge manuals [4] - The county's water conservancy bureau emphasizes the importance of continuous optimization of monitoring and early warning systems to ensure preparedness against potential disasters [7]

Core Viewpoint - The conference held from July 2 to 4, 2025, in Ningbo, Zhejiang, focused on leveraging technology to enhance safety measures during flood seasons on highways, gathering experts from various fields to discuss innovative solutions for emergency rescue and traffic management during floods [1][3]. Group 1: Conference Highlights - The event explored emergency rescue and traffic management during flood seasons, emphasizing meteorological forecasting, risk assessment, collaborative rescue efforts, technological flood prevention, and emergency response standards for highway structures [3]. - Experts engaged in discussions aimed at improving disaster prevention and mitigation capabilities, sharing emergency response experiences, and enhancing management mechanisms for flood rescue and traffic continuity [3][6]. Group 2: Technological Innovations - The conference highlighted the impact of information technology, including artificial intelligence, big data, and cloud computing, on modernizing transportation, with a focus on "smart transportation," "technological flood prevention," and "intelligent empowerment" [3][6]. - A site visit to the Zhejiang Transportation Group's comprehensive emergency base showcased advanced flood command systems and smart management platforms, featuring demonstrations of drones, IoT devices, and specialized vehicles [3][5]. Group 3: Emergency Response Framework - The comprehensive emergency base constructed by the Shanghai-Hangzhou-Ningbo Company serves as a regional emergency support hub, crucial for major highway emergency tasks, including command centers and equipment storage [5]. - The company has adopted a flood prevention strategy centered on "prevention first, combined prevention and control, technology empowerment, and rapid response," resulting in significant improvements in flood response capabilities [6].