创纪录！“蛟龙”号在北极成功完成10余次载人深潜

Core Insights - The "Jiaolong" manned submersible has successfully completed China's first manned deep dive in the Arctic ice zone, marking a significant milestone in the country's deep-sea exploration capabilities [1][3] Group 1: Mission Overview - The mission was part of the China Ocean 92 voyage, which began on July 15, 2025, and returned to Qingdao on September 8, 2025 [3] - The "Jiaolong" submersible underwent domestic upgrades and has officially entered polar operations after trials in the South China Sea [3] - The mission involved underwater collaboration between the "Jiaolong" manned submersible and an ROV (remotely operated vehicle) in the Arctic waters [3] Group 2: Scientific Findings - High-resolution imagery analysis revealed significant differences in benthic organism density, biodiversity, and individual size across tens to hundreds of kilometers, likely related to seabed topography and water depth [5] - The discovery of suspected gas vents, dissolution holes, and carbonate rocks indicates potential historical cold seep activity, providing key information for studying methane migration pathways in the Arctic region [5] - Detailed investigations using the manned submersible enhanced understanding of the distribution patterns of Arctic deep-sea biodiversity and the adaptive mechanisms of ecosystems [5]