The sea-ice extent of North Arctic undergoes an evident decrease during the last 42 years (from 1953 to 1994), for which the unusual changes of the spring (May-July) North Arctic sea-ice extent make the main contribution.
北极海冰面积过去42年(1953-1994年)来经历了一种趋势性的减少，春季(5-7月)北极海冰异常变化对此做出了主要贡献。
参考来源 - 春季格陵兰海冰对华北夏季降水的影响及其可能影响途径·2,447,543篇论文数据，部分数据来源于NoteExpress
Losing sea ice cover in the Arctic would affect everything from the obvious, such as people who live in the far north and polar bears, to global weather patterns, said Serreze.
谢瑞兹说，失去北极海面上的冰会影响每一样东西——从显而易见的，如同住在极北之地的人们和北极熊，到全球气候模式。
That pushed the older thicker sea ice that had been over the North Pole south toward Greenland and eventually out of the Arctic, Serreze said.
它推动了覆盖北极的古老的厚冰层，使之朝向格棱兰南移，最终使冰层离开北极，Serreze说。
75% of the Arctic sea ice has disappeared in the past thirty years, and scientists say the North Pole could be ice-free as soon as next year.
75%的北冰洋冰块在过去的三十年里消失科学家说北极可能在明年就会无冰。
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