There was a large regional variation difference in the 1990s, more ice in the eastern Antarctica and obviously less ice in the west Antarctica, both sides of the Antarctic Peninsula, especially in Weddell Sea and Bellingshausen Sea.

• 区域性变化差别大；东南极海冰偏多；西南极海冰即南极半岛两侧特别是威德尔海(WeddellSea)区和别林斯高晋海(BellingshausenSea)的冰明显偏少.