中国第15次北冰洋科学考察任务圆满完成

Core Insights - The successful completion of China's 15th Arctic scientific expedition by the "Snow Dragon 2" ship marks a significant advancement in understanding the rapid changes in the Arctic and their global climate implications [1][2] Group 1: Expedition Overview - The expedition involved four vessels: "Snow Dragon 2," "Polar," "Deep Sea One," and "Explorer Three," making it the largest Arctic scientific investigation conducted by China [1] - The mission was organized by the Ministry of Natural Resources and aimed to enhance China's research capabilities in the Arctic region [1] Group 2: Scientific Achievements - Collaborative operations between "Snow Dragon 2" and "Polar" in high-latitude marine areas improved synchronous observation capabilities, filling data gaps in the Arctic [2] - Long-term monitoring of ice drift and underwater ecological changes provided insights into seasonal variations and mechanisms in the Arctic [2] - The deployment of multiple underwater biological imaging systems at various depths yielded extensive data on the ice edge zone, enhancing understanding of the "sea-snow" formation mechanisms [2] Group 3: Deep Sea Exploration - The "Deep Sea One" ship, supported by "Snow Dragon 2," successfully conducted China's first manned deep-sea dive in the Arctic, showcasing advancements in deep-sea exploration capabilities [2] - Initial findings indicated significant variations in benthic organism density, diversity, and size across distances of tens to hundreds of kilometers, aiding in understanding the spatial distribution of polar deep-sea ecosystems [2]