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自末次冰期最盛时（ＬＧＭ）以来 ,大约距今２０ｋａ时南极西部冰盖（ＷＡＩＳ）的基线已后退了近１３００ｋｍ ,那时罗斯海海湾的搁浅冰几乎延伸到了库尔曼岛。南极西部冰盖的完全崩塌可能会导致海平面上升５～６ｍ。总质量平衡的不确定性和有关冰盖对海平面或气候变化的动力
Since the last LGM, the baseline of the Antarctic Western Ice Sheet (WAIS) has receded nearly 1300 km since about 20 ka ago, when stranded ice in the Ross Sea Bay almost extended to the island of Cullman. A complete collapse of the Antarctic western ice sheet may result in sea level rise of 5 ~ 6m. The uncertainty of the total mass balance and the dynamics of the ice sheets for sea level or climate change