“雪龙”号完成大洋调查任务

Core Viewpoint - The successful completion of China's 42nd Antarctic Expedition by the "Snow Dragon" ocean team marks a significant achievement in multidisciplinary oceanic research, focusing on key ecological elements and species in the Antarctic region [1][2]. Group 1: Expedition Overview - The "Snow Dragon" ocean team conducted comprehensive investigations in the Amundsen Sea, Ross Sea, and adjacent waters, covering hydrological environment, marine biology, marine chemistry, and atmospheric environment [1]. - The expedition faced adverse weather conditions, including snow, fog, waves, and severe ice, while conducting ocean surveys from January 24 to February 19 [1]. Group 2: Research Achievements - The team successfully recovered 4 sets of ecological buoys and deployed another 4 sets, collecting rich biological samples such as krill, midwater fish, and benthic organisms [1]. - These samples provide scientific references for understanding the nutritional structure of key species in the upper ocean and tracking population changes [1]. Group 3: Technological Innovations - New technologies and equipment were utilized during the expedition, including domestically produced acoustic and optical detection modules on the polar ecological buoys for long-term observations beneath the ice [2]. - An improved design of the krill trawl net significantly increased catch volume and facilitated the understanding of krill distribution across different water layers [2]. Group 4: Future Plans - Following the expedition, the "Snow Dragon" team will travel to Hobart, Australia, before returning to China, while the vessel will proceed to Zhongshan Station for subsequent tasks [2]. - The 42nd Antarctic Expedition, organized by the Ministry of Natural Resources, is a crucial part of China's long-term monitoring and scientific research efforts in Antarctica, supporting studies on climate change and ecological environments [2].