Core Insights - The visit to the Zhuhai Marine Center by students from Sun Yat-sen University highlighted the integration of marine observation technology and disaster prevention practices, showcasing the importance of real-time data collection and transmission in safeguarding coastal areas [2][3] Group 1: Marine Observation Technology - The Zhuhai Marine Center features advanced instruments such as buoy-type water level gauges, radar water level gauges, and temperature-salinity meters that operate continuously to capture tidal and temperature-salinity data [2] - The center has evolved from a simple facility established in 1991 to a comprehensive urban landmark that combines observation and education, marking a significant transformation in marine observation capabilities in Guangdong Province [2] Group 2: Educational Impact - The hands-on experience provided students with a direct understanding of marine data collection and its applications in disaster prevention, reinforcing the connection between theoretical knowledge and practical skills [3] - The interactive environment encouraged students to engage with staff about data processing and forecasting algorithms, fostering a lively discussion about the practical applications of marine forecasting [3]

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]