China News Service, Beijing, September 11 (Reporter Ruan Yulin) The latest news of the "Xuelong 2", the "Xuelong 2", which is carrying out China's 11th Arctic expedition, will start returning to sail at 5 o'clock on September 11, Beijing time .

  China's first self-built polar scientific expedition icebreaker "Xuelong 2" set off from Shanghai on July 15 this year to embark on a scientific expedition trip to the Arctic.

This is also China's first self-built polar scientific expedition icebreaker "Xuelong 2", and it is the first to undertake the Arctic scientific expedition.

  At 13:00 on September 8, 2020, Beijing time, "Xuelong 2", which carried out China's 11th Arctic scientific expedition, after nearly 4 hours of fighting, using a gravity piston sampler, at a depth of 1870 meters in the North Wind Basin of the Arctic Ocean , Successfully obtained 18.65 meters of columnar sediment core samples, setting a new record for China’s Arctic scientific research.

  According to Liu Yanguang, assistant chief scientist of the expedition team and researcher of the First Institute of Oceanography of the Ministry of Natural Resources, this is the first time that China has used a long cylindrical gravity piston of more than 20 meters for sampling in the Arctic Ocean. The "Xuelong 2" is equipped with advanced scientific research. Equipment and superior maneuverability are the keys to the success of this sampling.

With the further analysis and research of the samples, it can provide scientific support for in-depth study of the process and mechanism of Arctic sea ice and ice cover change, the evolution of Arctic Ocean circulation, and the exchange with the North Atlantic and North Pacific water masses.

  According to the arrangement, the expedition has a planned voyage of 12,000 nautical miles and is expected to return to Shanghai in late September this year.

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