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크레바스 크레바스(Crevasse)란 빙하가 흘러내릴 때, 깨어져 생기는 틈을 말한다(사진 1). 그림 1. 동남극 북빅토리아랜드(北Victoria Land) 테라 노바 베이(Terra Nova Bay)부근 장보고기지 근처에 있는 크레바스. 오른 쪽으로 멀리 보이는 산이 활화산인 멜버른(Melbourne)산(높이 2,730 m)이다. (출처: 다큐멘터리 작가 임완호 제공) 목차 발달상태 크레바스는 이동속도가 다른 얼음의 표면에 생긴다. 얼음의 이동속도는 얼음 아래의 지형을 포함하여 여러 이유로 달라진다. 예컨대, 얼음아래 지형이 불룩하다면 얼음은 천천히 흐른다. 그러나 골짜기 위를 흘러내린다면 빨라진다. 또는 얼음이 산악을 돌아가는 경우, 산악에서 먼 바깥쪽은 빨리 흐르고 안쪽은 천천히 흘러, 속도가 달라진다. 어떤 이유로든지 얼음이 움직이는 속도가 달라지면 얼음이 ....
China s icebreaker Xuelong 2 returns to its port in Shanghai on Friday, marking the end of the country s latest scientific expedition to Antarctica. [Photo provided to China Daily] First time domestically built icebreaker carried out polar mission independently China s latest scientific expedition to Antarctica concluded on Friday as mission members returned to their home base in Shanghai. Xuelong 2, China s second－and its first domestically built－research icebreaker, arrived in its port in the eastern economic powerhouse on Friday morning, marking the success of the country s 37th Antarctic expedition that lasted 179 days, according to the Ministry of Natural Resources, which administers the nation s oceanic and polar research activities. ....
From:ChinaDaily | 2021-05-08 08:08 First time domestically built icebreaker carried out polar mission independently China s latest scientific expedition to Antarctica concluded on Friday as mission members returned to their home base in Shanghai. Xuelong 2, China s second－and its first domestically built－research icebreaker, arrived in its port in the eastern economic powerhouse on Friday morning, marking the success of the country s 37th Antarctic expedition that lasted 179 days, according to the Ministry of Natural Resources, which administers the nation s oceanic and polar research activities. Carrying more than 100 researchers and support staff members, Xuelong 2 departed Shanghai on Nov 10 and traveled more than 66,000 kilometers during the six-month operation. ....
Xuelong 2 returns from Antarctica 1 2021-05-08 08:47:56China Daily Editor : Jing Yuxin ECNS App Download China s icebreaker Xuelong 2 returns to its port in Shanghai on Friday, marking the end of the country s latest scientific expedition to Antarctica. (Photo provided to China Daily) First time domestically built icebreaker carried out polar mission independently China s latest scientific expedition to Antarctica concluded on Friday as mission members returned to their home base in Shanghai. Xuelong 2, China s second－and its first domestically built－research icebreaker, arrived in its port in the eastern economic powerhouse on Friday morning, marking the success of the country s 37th Antarctic expedition that lasted 179 days, according to the Ministry of Natural Resources, which administers the nation s oceanic and polar research activities. ....
Colin Monteath/Supplied Scott Base, Antarctica, with a steaming Mt Erebus in the background. Antarctica NZ has asked for $250 million to rebuild the base almost entirely. Parts of Scott Base are creaking at the seams and the whole thing needs to be rebuilt. But there are too many bases on Antarctica, especially those belonging to Northern Hemisphere nations, writes Colin Monteath. OPINION: Rebuilding New Zealand’s Scott Base on Ross island to meet the demands of a modern science programme is a complex, long-term and expensive project as highlighted in Lee Kenny s excellent article “Leaky buildings, old electrics: Scott Base in a sorry state” (Feb 27). ....