Core Insights - China is actively conducting oceanic scientific research with four research teams exploring various regions of the ocean, showcasing significant achievements since the 1970s [1] Group 1: Research Activities - The "Deep Sea No. 1" vessel, equipped with the "Jiaolong" manned submersible, is conducting a scientific expedition in the western Pacific, focusing on ecological surveys of hydrothermal areas and investigations in marine geology, chemistry, biology, and physics [1] - The "Jiaolong" submersible has completed its 419th dive, reaching depths exceeding 4000 meters, marking the operational phase of the "one ship, dual submersible" model [1] - The China Ocean 91 expedition is conducting resource and environmental surveys in the polymetallic nodule contract area, providing essential data for future mining equipment environmental impact assessments [1] Group 2: Future Missions - The China Ocean 95 expedition, set to begin on February 13, is heading to the southwestern Indian Ocean for polymetallic sulfide resource exploration and environmental baseline surveys, which will yield critical data for resource evaluation and environmental assessments [2] - The chief scientist of the expedition highlighted that exploring seabed sulfides and conducting environmental evaluations is an international challenge, with China employing advanced technologies for precise exploration of sulfide resources [2]

Core Viewpoint - The "Jiaolong" manned submersible successfully conducted its first dive of 2026 in the western Pacific, marking a significant advancement in deep-sea exploration capabilities [1] Group 1 - The dive was part of a scientific expedition in the western Pacific, utilizing the "Shenhai No. 1" vessel to support both the "Jiaolong" manned submersible and an unmanned remotely operated vehicle [1] - This operation signifies the transition to a business-oriented model for the "one ship, two submersibles" approach, enhancing operational efficiency in deep-sea research [1]

Core Insights - China has made significant achievements in ocean scientific research since the 1970s, with ongoing exploration efforts by four research teams during the Spring Festival [1] Group 1: Research Progress - The "Jiaolong" manned submersible is currently conducting a scientific expedition in the western Pacific, focusing on ecological surveys of hydrothermal areas and investigations in marine geology, chemistry, biology, and physics [1] - The "Jiaolong" submersible completed its 419th dive, marking the 8th dive of the current expedition, exceeding a depth of 4000 meters, and indicating the operational phase of the "one ship, dual submersible" model [3] - The China Ocean 91 expedition is conducting resource and environmental surveys in the polymetallic nodule contract area, providing data on resource distribution and winter environmental parameters for future mining equipment impact assessments [5] - The China Ocean 94 expedition in the northwest Indian Ocean is investigating the impacts of human activities and climate change on marine environments, focusing on mechanisms driving hypoxia and biodiversity evolution [7] - The China Ocean 95 expedition is heading to the southwestern Indian Ocean for polymetallic sulfide resource exploration and environmental baseline surveys, which will provide crucial data for resource evaluation and environmental assessments [9]

Core Points - The "Deep Sea No. 1" vessel, carrying the "Jiaolong" manned submersible, has embarked on China's 92nd ocean expedition, marking a significant advancement in deep-sea exploration capabilities [1] - The expedition successfully completed over 10 manned deep dives and various underwater operations in the Arctic region, showcasing China's growing expertise in deep-sea technology [1] Group 1 - The "Deep Sea No. 1" vessel set sail from Qingdao and returned on September 8, completing the first segment of its mission [1] - The mission was supported by the "Snow Dragon 2" vessel, which provided icebreaking assistance during operations in the Arctic [1] - This expedition represents the first manned deep dive in the Arctic ice zone and the first coordinated underwater operations involving both manned and unmanned submersibles [1] Group 2 - The successful completion of this mission indicates a continuous enhancement of China's deep-sea entry and exploration capabilities [1] - The "Jiaolong" submersible has undergone domestic upgrades and is now officially operational in polar regions following trials in the South China Sea [1] - The achievements reflect China's commitment to self-reliance and strength in deep-sea technology [1]

Core Insights - The "Jiaolong" manned submersible successfully completed its first deep dive in the Arctic region, marking a significant milestone in China's deep-sea exploration capabilities [4] - The mission involved over 10 deep dives and various underwater investigations, showcasing advancements in China's deep-sea technology and research [3][4] Group 1: Mission Overview - The "Shenhai No. 1" vessel, carrying the "Jiaolong" submersible, set sail from Qingdao on July 15 and returned on September 8 after completing the first segment of the 92nd ocean voyage [3] - The mission was supported by the "Xuelong 2" icebreaker, enabling successful operations in the Arctic waters [3] Group 2: Technological Advancements - This mission represents the first manned deep dive in the Arctic ice zone and the first coordinated underwater operation involving both manned and unmanned submersibles [4] - The successful completion of the mission demonstrates China's commitment to self-reliance and strength in deep-sea technology [4] Group 3: Scientific Discoveries - AI recognition of high-definition imagery revealed significant variations in benthic organism density, biodiversity, and individual size across the Arctic seabed, likely influenced by underwater topography and depth [4] - The discovery of suspected cold seep features and carbonate rock formations indicates potential historical methane migration pathways in the Arctic, providing critical data for geological studies [4] - Detailed investigations by the manned submersible are expected to enhance understanding of Arctic deep-sea biodiversity distribution and ecosystem adaptability [4]