智利康塞普西翁大学千禧海洋研究所所长奥斯瓦尔多·乌略亚告诉新华社记者，这次科考活动将帮 助智利了解阿塔卡马海沟地质与生命特点，对探索该国频发的地震和火山成因及海沟生物多样性具有非 常重要的意义。 启航当天还举行了"探索一号"科考船开放日活动。智利当地民众、科研人员、媒体等受邀登上科考 船，在船长和中方科考队员带领下了解中国先进海洋科考设备与技术。 启航仪式当天在停靠于智利中部瓦尔帕莱索港的中国"探索一号"科考船上举行。 本航次由中国科学院深海科学与工程研究所与智利康塞普西翁大学共同组织，主要目标包括探索阿 塔卡马海沟生物多样性、化能生态系统、深部流体活动和板块俯冲机制等。该海沟又称秘鲁-智利海 沟，位于秘鲁与智利两国西侧海域，长约5900公里，是世界上最长的海沟，以表层水体生产力高、底部 构造活动活跃、底栖生物密度大为特点，但科学界对其探索仍十分有限。 本航次也是由中国主导的国际大科学计划"全球深渊探索计划"框架下的国际联合航次。中国驻智利 大使牛清报在启航仪式上致辞说，本次科考是中智关系内涵日益丰富的例证，也是联合国"海洋科学促 进可持续发展十年"倡议所倡导的"全球性、开放性、合作性"精神的生动实践，是科学 ...

新华社智利瓦尔帕莱索1月20日电（记者朱雨博）当地时间19日，中国-智利阿塔卡马海沟载人深潜联合 科考航次从智利瓦尔帕莱索正式启航，两国科考人员将合作探索最大深度超8000米的阿塔卡马海沟。 启航仪式当天在停靠于智利中部瓦尔帕莱索港的中国"探索一号"科考船上举行。 本航次也是由中国主导的国际大科学计划"全球深渊探索计划"框架下的国际联合航次。中国驻智利大使 牛清报在启航仪式上致辞说，本次科考是中智关系内涵日益丰富的例证，也是联合国"海洋科学促进可 持续发展十年"倡议所倡导的"全球性、开放性、合作性"精神的生动实践，是科学无国界、合作创共赢 的最佳例证。 本航次中，"探索一号"科考船搭载了中国自主研发的"奋斗者"号载人潜水器。它是目前国际上唯一一台 具备万米海底强作业能力的载人潜水器。 启航当天还举行了"探索一号"科考船开放日活动。智利当地民众、科研人员、媒体等受邀登上科考船， 在船长和中方科考队员带领下了解中国先进海洋科考设备与技术。（完） 本航次由中国科学院深海科学与工程研究所与智利康塞普西翁大学共同组织，主要目标包括探索阿塔卡 马海沟生物多样性、化能生态系统、深部流体活动和板块俯冲机制等。该海沟又称秘鲁- ...

Core Insights - The "Jiaolong" manned submersible has undergone significant upgrades over the past decade, enhancing its capabilities and operational efficiency in deep-sea exploration [2][3][4] Group 1: Technological Advancements - The "Jiaolong" submersible has improved its propulsion system, now utilizing domestically produced thrusters, which have increased its maximum speed from 2.5 knots to 3 knots [2] - The submersible's observation system has been upgraded to a 10-channel 4K HD video system, allowing for better underwater visibility and observation capabilities [3] - The operational support team for "Jiaolong" has been reduced from around 17 personnel to approximately 10, significantly enhancing operational efficiency [3] Group 2: Achievements and Milestones - "Jiaolong" has set a record with a maximum diving depth of 7062 meters, marking a significant milestone in China's manned deep-sea exploration [4] - The submersible has been part of collaborative underwater operations with other submersibles, such as the "Fendouzhe," expanding China's deep-sea exploration capabilities [3][4] - During the "Fendouzhe" mission, China has established a strong presence in deep-sea exploration, with annual deep-sea missions accounting for over half of the global total [4] Group 3: Cultural Impact - The "Jiaolong" submersible has transcended its technological role to become a cultural symbol, inspiring stories and recognition within families and communities [5] - The emotional connection to "Jiaolong" is highlighted by personal stories, such as a child's drawing of the submersible, showcasing its significance beyond just a scientific instrument [5]

Core Viewpoint - The "Jiaolong" submersible has undergone significant upgrades over the past decade, enhancing its capabilities and contributing to China's deep-sea exploration efforts, including recent missions in the Indian Ocean and the Arctic [1][12][15]. Group 1: Technological Advancements - The "Jiaolong" submersible has completed 91 dives in 2025, showcasing its reliability and advanced technology [1][20]. - The submersible's propulsion system has been upgraded to fully domestic components, increasing its speed from 2.5 knots to a maximum of 3 knots, with zero maintenance required over 91 dives [7][20]. - The visual and observation systems have been enhanced, featuring 10 channels of 4K high-definition video, improving underwater visibility significantly [9][11]. Group 2: Mission Achievements - In August 2025, the upgraded "Jiaolong" achieved its first dive in the Arctic ice zone, collaborating with the "Fendou" submersible for coordinated underwater operations [12][14]. - The recent missions have expanded China's deep-sea exploration footprint from the full depth of the ocean to all oceanic regions, collecting valuable samples and data for climate change research [15][21]. Group 3: Operational Efficiency - The support team for the "Jiaolong" has reduced from approximately 17 personnel in 2017 to around 10, indicating improved operational efficiency [17][20]. - The number of dives has increased significantly, with 68 dives in 2024 and 94 dives in 2025, compared to nearly 100 dives over five years from 2013 to 2017 [19][20]. Group 4: Cultural Impact - The "Jiaolong" has become a symbol of national pride, inspiring personal stories and cultural expressions, such as children's drawings and family discussions [24][30]. - The emotional connection to the "Jiaolong" reflects a broader cultural appreciation for technological advancements in China, marking a transition from mere functionality to cultural significance [30].

Core Viewpoint - The major scientific expedition on abyssal carbon cycling has successfully completed its 43-day mission in the southeastern Indian Ocean, returning to Sanya, China, with significant findings and samples collected [7]. Group 1: Expedition Overview - The scientific expedition, part of the National Natural Science Foundation's shared voyage program, utilized the "Exploration No. 1" research vessel and the "Fendouzhe" manned submersible to conduct deep-sea research [7]. - The mission commenced on March 23 and involved collaboration among scientists, submersible operators, and crew members, effectively navigating challenging weather conditions to complete their tasks [7]. Group 2: Research Findings - The research covered depths ranging from 2,900 to 6,700 meters, with high-precision sampling and in-situ data collection, including sediment, seawater, rocks, polymetallic nodules, and macrobiological samples [7][8]. - The team achieved a 100% success rate in gravity core sampling, with the longest core measuring 6.83 meters, reaching the maximum capacity of the sampling device [8]. - The collected samples represent a diverse and heterogeneous range of abyssal and shallow marine environments, providing a solid foundation for future studies on deep-sea ecosystems and element cycling [8]. Group 3: Future Research Implications - The investigation focused on the relationships between seabed topography, water depth, and the distribution of polymetallic nodules, contributing valuable data for multidisciplinary research on geological structures and life processes from the deep sea to the abyss [8].