“奋斗者”号回到三亚 载人深潜“双雄”在北极实现水下联合作业

Core Insights - The deep-sea exploration mission in the Arctic, conducted by the research team using the "Fendouzhe" manned submersible and the "Tansuo Sanhao" mother ship, successfully returned to Sanya, Hainan after completing significant scientific tasks [1][2] Group 1: Mission Achievements - The "Fendouzhe" submersible completed 43 dives in the Arctic, marking a significant achievement in underwater collaborative operations with the "Jiaolong" submersible, which previously conducted China's first Arctic ice zone dive [1] - The mission lasted 56 days in the Arctic Ocean, where the team conducted a series of scientific investigations and experiments, including the first manned deep-sea exploration of the Gakkel Ridge in the Arctic, reaching a maximum depth of 5,277 meters [1] Group 2: Technological Advancements - The mission validated the operational capabilities and application value of the "Fendouzhe" submersible and the "Tansuo Sanhao" mother ship in polar ice regions, achieving breakthroughs in domestic technology for deep-sea exploration [2] - A new mobile ice-diving model was established, enabling "ship-submersible collaboration" in dense ice areas, positioning China as the only country currently conducting continuous manned deep-sea dives in the Arctic's dense sea ice [2] Group 3: Scientific Contributions - The "Fendouzhe" submersible collected valuable samples of Arctic water, sediments, rocks, and biological specimens, providing extensive observational data that will support further research on rapid climate change in the Arctic and the evolution and adaptation mechanisms of life in polar regions [1]