China News Service, September 27th (Chen Jing, Chen Chao) The scientific research ship "Xuelong 2" affiliated to the Polar Research Institute of the State Oceanic Administration completed the 75-day 11th Arctic scientific expedition and returned to Shanghai on the 27th. The China Polar Survey in Waigaoqiao's domestic base terminal.

  It is understood that during the Arctic expedition, "Xuelong 2" used a long cylindrical gravity piston of more than 20 meters in the Arctic Ocean to successfully obtain 18.65 meters of cylindrical sediment core samples for the in-depth study of the process and mechanism of Arctic sea ice and ice cover changes. The problem provides scientific support.

Xuelong No. 2 berthed at the domestic base of China's Polar Expedition.

Photo courtesy of Waigaoqiao Border Inspection 

  According to reports, a total of 86 team members went to the Arctic to conduct scientific research.

"Xuelong 2" is equipped with internationally advanced oceanographic survey and observation equipment.

The round began to return on September 11.

  According to reports, Shanghai Waigaoqiao Frontier Inspection has conducted research, judgment and analysis on the scientific expedition team members and crew of the "Xuelong 2" scientific expedition ship in advance through the implementation of big data analysis and investigation, and the trajectory verification of international sailing ships, so as to seamlessly implement various types Prevention and control measures ensure that the entire process of port prevention and control remains closed-loop.

  On the same day, the police at the Waigaoqiao Border Checkpoint, wearing a full set of protective equipment, boarded the ship and quickly went through the entry formalities for the scientific expedition team members.

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