Core Viewpoint - The article discusses the advancements in China's marine research capabilities, highlighting the delivery of the "Tongji" intelligent research vessel and its significance as a state-of-the-art mobile laboratory for oceanic studies [1][2]. Group 1: "Tongji" Research Vessel - The "Tongji" vessel is a 2000-ton next-generation green, silent, and intelligent research ship, set to complete comprehensive sea trials by May 2025, making it a powerful tool for scientific exploration [2]. - It is the first research vessel in China to obtain four intelligent symbols from the China Classification Society's intelligent ship standard i-ship (R1, No, E, I), capable of conducting comprehensive scientific investigations in various marine disciplines [5]. - The vessel is equipped with multiple scientific instruments, including single-beam and multi-beam measurement systems, shallow seismic profiling systems, and underwater remote-operated vehicles (ROVs) [5]. Group 2: Modular Laboratory Design - The onboard modular laboratory utilizes shipping containers as a framework, housing instruments for marine chemistry, biological testing, water quality monitoring, meteorological observation, and rock analysis, allowing for easy loading, movement, and expansion [7]. - Key equipment includes automatic nutrient analyzers, total organic carbon analyzers, inverted phase contrast microscopes, and ultra-low temperature freezers, among others [7]. Group 3: Other Research Vessels - Other notable research vessels include Xiamen University's "Jia Geng" vessel, which is China's first marine research ship designed abroad and built domestically, featuring over 550 square meters of research space [8][10]. - The "Science" vessel from the Chinese Academy of Sciences is the first of its kind with independent intellectual property rights, equipped with various systems for water, atmosphere, and seabed exploration [17][18]. - The "Dream" drilling vessel, designed for ultra-deep water research, includes nine specialized laboratories and is capable of operating in severe weather conditions [31][34].

Core Viewpoint - The "Tongji" ship, China's first self-designed and built intelligent oceanographic research vessel, has been delivered and will conduct multidisciplinary research in the East China Sea and South China Sea, serving as a mobile classroom for students [1][2]. Group 1: Vessel Specifications and Capabilities - The "Tongji" ship measures 81.5 meters in length, 15 meters in width, and 6.9 meters in depth, with a maximum speed of 16 knots and a range of 8,000 nautical miles [2]. - It features a 460 square meter deck operation area, a 320 square meter laboratory area, and living quarters with an average of 10.2 square meters per person, achieving the operational capacity of a 3,000-ton research vessel within a smaller footprint [2]. Group 2: Research and Educational Functions - The vessel can modularly carry various containerized laboratories, remotely operated vehicles (ROVs), and unmanned boats, allowing students to engage in marine geological exploration, ecological sampling, and equipment testing [2]. - It supports major national marine science tasks, including the deployment of seabed observation networks and wind power engineering surveys, enabling students to gain hands-on experience in significant national projects [2].

Core Viewpoint - The event "Polar Knowledge into Campus" aims to promote awareness and understanding of polar science among students and the community, highlighting China's achievements in polar exploration and research [2][5][8]. Group 1: Event Overview - The event took place at Dalian Ocean University, engaging over 500 students and community representatives in discussions about polar exploration [2][5]. - It was organized by the National Oceanic Administration's Polar Research Office, with participation from various governmental and research institutions [2][5]. Group 2: Educational Content - Two promotional videos were shown, showcasing China's 40 years of polar exploration and the construction of the Antarctic Qinling Station [5]. - Experts presented on various topics, including the challenges faced during polar expeditions and advancements in polar research capabilities [5][8]. Group 3: Expert Contributions - Notable speakers included senior engineers and researchers from the Chinese Polar Research Center, who shared firsthand experiences from polar expeditions [5][8]. - The event featured a live video connection with the leader of the 41st Antarctic expedition, emphasizing international collaboration and the concept of a "community of shared future for mankind" [8]. Group 4: Community Engagement - Local officials expressed pride in China's polar achievements and emphasized the importance of community involvement in marine and polar education [2][8]. - The event aimed to inspire students to integrate their personal aspirations with national development goals, reflecting on the significance of polar research in broader scientific endeavors [8].

Core Viewpoint - The development of real-time buoys is crucial for continuous monitoring of marine environmental factors, addressing the challenges of data transmission delays and enhancing marine disaster warning capabilities [3][4][6]. Group 1: Real-time Buoy Technology - Real-time buoys are essential for deep-sea environmental monitoring, providing continuous, accurate, and multi-parameter observations [4][6]. - Traditional buoys face data transmission delays, typically storing data for about a year before retrieval, limiting their application in real-time marine forecasting [4][6]. - The introduction of real-time buoys transforms data viewing from "delayed playback" to "live streaming," significantly improving the timeliness of marine data [4][7]. Group 2: Applications and Benefits - Real-time buoys have vast applications in marine disaster warning, enabling real-time monitoring of phenomena like internal waves and tsunamis, thus providing timely and accurate information for disaster prevention [6][7]. - They also support environmental monitoring by offering foundational data on the spread of marine pollutants, aiding in environmental protection efforts [6]. Group 3: Development and Testing - The domestically developed real-time buoy system has successfully undergone sea trials, demonstrating stability and reliability during extreme weather conditions, such as Typhoon "Yuan Gui" in 2021 [8][9]. - The system integrates various domestically produced components, marking significant progress in the localization of real-time buoy technology [9][10]. Group 4: Technological Advancements - The research team has achieved breakthroughs in several key technologies, including low-power satellite communication and deep-water pressure-resistant antennas, facilitating the transition from imitation to innovation in buoy technology [11]. - The real-time communication buoys developed are characterized by their simple structure, high reliability, and cost-effectiveness, positioning them among the leading technologies in the country [11]. Group 5: Future Plans - The research team aims to expand the operational capabilities of real-time buoys, evolving them into comprehensive observation platforms with capabilities for monitoring, presence, and early warning [12]. - The advancement of real-time buoy technology is expected to drive the development of related industrial chains and enhance disaster prevention and mitigation capabilities [12].

Core Insights - The article discusses the exploration of deep-sea cold seeps, referred to as "deep-sea oases," which thrive without sunlight and host unique ecosystems [3][4][10] - China is constructing the world's first 2000-meter deep manned laboratory to study these ecosystems, aiming to unlock secrets related to climate change, energy, and the origins of life [5][10] Group 1: Cold Seep Ecosystem - Cold seeps are not truly "cold," with temperatures around 2°C to 4°C, and are characterized by the release of methane and hydrogen sulfide from natural gas hydrates [4][10] - The ecosystem relies on chemosynthetic microorganisms that convert methane into energy, supporting over 600 species, including tube worms and mussels, forming a "black food chain" [4][10] - Cold seep organisms grow slowly, with some tube worms living over 200 years, highlighting their significance as "deep-sea living fossils" [4][10] Group 2: Research Facility - The "Cold Seep Ecosystem Research Facility," led by the South China Sea Institute of Oceanology, has a total investment of 2.66 billion yuan and is expected to be completed by 2030 [5][6] - This facility will support six researchers for 30 days, allowing for in-situ experiments on methane leakage and biological gene sequencing [5][6] - The facility consists of a surface support ship, an underwater laboratory, and a fidelity simulation chamber, designed to operate under extreme conditions [5][6] Group 3: Importance of Research - The cold seep ecosystem is crucial for understanding climate dynamics, as methane leakage from these areas accounts for 10% of global carbon emissions, while 90% is consumed by microorganisms [10] - The South China Sea is one of the four major regions for gas hydrates, with an estimated resource of 74.4 billion tons of oil equivalent [10] - Research in cold seeps may provide insights into the origins of life on Earth and potential extraterrestrial life, as well as new biotechnological resources for pharmaceuticals [10] Group 4: Recent Discoveries - China has identified seven cold seep areas, with significant discoveries made by the "Haimen" submersible in the South China Sea, including two active cold seep vents [11] - These vents are located at a depth of 1500 meters and cover an area of over 40,000 square meters, supporting diverse marine life [11]

Core Viewpoint - The "Xuelong 2" icebreaker has successfully completed its mission for China's 41st Antarctic expedition, covering over 40,000 nautical miles and marking significant milestones in Antarctic research and logistics [1][4]. Summary by Sections Mission Overview - The "Xuelong 2" embarked on its journey from Guangzhou on November 1 of last year, with the mission divided into five distinct segments, each focusing on different tasks [1][2]. Segment Details - The first segment involved navigating to Antarctica to assist the "Xuelong" icebreaker with logistics at Zhongshan Station, completing personnel and material transfers by early December [1]. - The second segment included a journey from Zhongshan Station to the Ross Sea, where it aided the "Yongsheng" vessel in icebreaking operations, concluding with a return to Lyttelton, New Zealand by late December [1][2]. - The third segment commenced after picking up ocean team members in Lyttelton on January 9, heading to the Amundsen Sea and completing related oceanographic tasks by mid-March [2]. - The fourth segment began in late March, focusing on the autumn ocean joint survey in the Ross Sea, which was completed by April 19, leading to the start of the fifth segment [2]. Achievements - Throughout the expedition, "Xuelong 2" achieved several firsts, including the first cargo transfer for the "Xuelong" and the first autumn ocean operations in Antarctica [4]. - The total duration of the mission exceeded seven months, making it the longest single-ship operation in the history of China's Antarctic research [4].

Group 1 - The Deep Sea Research Institute has celebrated its 9th anniversary and awarded medals to its first batch of deep-sea divers, highlighting their contributions to deep-sea exploration [1] - The institute operates two manned submersibles, "Deep Sea Warrior" and "Fighter," with a total of 25 divers, averaging 32 years of age, primarily from engineering backgrounds [1] - A total of 1,204 dives have been conducted by the divers, with "Deep Sea Warrior" achieving 820 dives and "Fighter" 384 dives, including 25 dives to depths exceeding 10,000 meters [2] Group 2 - "Deep Sea Warrior" has set multiple records, including 12 dives in 8 days, while "Fighter" made history with 8 consecutive dives to depths of 10,000 meters [2] - The deep-sea exploration has led to significant discoveries, including two Ming Dynasty shipwrecks in the South China Sea and the first-ever deep-sea rock samples from depths of 10,000 meters [2] - The "Fighter" submersible has focused on deep-sea areas greater than 6,000 meters, conducting international collaborative dives in major oceanic trenches, yielding valuable scientific samples and data [3]

中新网北京3月29日电 (记者 孙自法)2025中关村论坛年会以"海洋科学与发展"为主题的平行论坛3月28 日在北京顺利举办。该论坛提供的信息显示，海洋科学正加速迈入大科学时代。近年来，中国海洋基础 研究和海洋科学装备研发已取得一批重大成果。 "海洋科学与发展"平行论坛由科学技术部、国家自然科学基金委员会、北京市人民政府共同主办。科学 技术部秘书长潘晓东、国家自然科学基金委员会副主任兰玉杰、北京市人大常委会副主任于军、北京大 学副校长朴世龙院士出席论坛并致辞。 潘晓东指出，作为认识海洋的前提与基础，海洋科学对全球可持续发展意义重大。近年来中国加强海洋 基础研究和海洋科学装备研发，取得了一批具有国际影响力的重大成果。下一步，要强化海洋科技创新 的顶层设计和总体谋划，大力支持海洋基础研究，加快核心关键技术攻关，推进海洋科技成果转化应 用，深化海洋领域国际科技交流合作，为关心海洋、认识海洋、经略海洋提供强有力科技支撑。 朴世龙表示，北大将充分发挥综合性研究型大学优势，在基础研究突破、青年人才培养、国际学术交流 方面持续助力海洋科学发展。 在论坛主旨演讲环节，自然资源部第二海洋研究所研究员李家彪院士、联合国教科文组织 ...