在南大洋收回“深海串珠”

Core Viewpoint - The successful recovery of a deep-sea buoy system by the "Xuelong 2" polar research vessel marks a significant achievement in the 42nd Antarctic expedition, providing valuable long-term oceanographic data for scientific research [1][8]. Group 1: Recovery Process - The first buoy being recovered is located at a depth of approximately 4240 meters, with the entire buoy system measuring about 3930 meters in length and consisting of three groups of floats connected by observation equipment [2]. - The recovery operation involved multiple strategies, including using the ship's side or bow to approach the buoy, deploying a small boat, or utilizing a drone to hook the buoy's cable [2][3]. - The drone successfully hooked the buoy's cable on the first attempt, demonstrating effective use of technology in the recovery process [4]. Group 2: Equipment and Data Collection - The recovered equipment includes hydrophones, temperature-salinity-depth sensors, and sediment traps, which will provide continuous data on temperature, salinity, and sediment distribution in the target marine area [7]. - The data collected will enhance understanding of the physical and chemical processes in polar regions and their potential impacts on the ecosystem [7]. Group 3: Team Effort and Celebration - The recovery process required coordinated efforts from the team, with members working together to haul the buoys and equipment onto the ship, showcasing teamwork and dedication [6][8]. - The successful recovery was celebrated by the team, who viewed the data collected as a significant achievement, akin to a "New Year gift" as they prepared to return home [8].