The permanent Arctic halocline, one of the particular structures in the upper Arctic ocean, is very important to the maintenance of the sea ice and cold surface layer in the Arctic ocean.

摘要长年存在的盐跃层是北冰洋上层海洋独有的结构之一，对维持北冰洋表层的低温特征和海冰存在起着非重要的作用。