Arctic sea icecap disappears, leaving polar bears homeless and changing the Earth's energy balance dramatically as reflective ice is replaced during summer months by darker sea surface.
The team used a model to estimate the surface mass balance of ice and the amount of ice discharged.
研究团队运用一种模型来评估冰层表面物质平衡与冰流量的关系。
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Before 2000, the ice on Antarctica is thought to have been roughly in balance overall, with new snowfall balancing ice lost through surface melt and icebergs.