Characteristics and controls of ice sheet loss on centennial timescales

本项目旨在在100年至1000年的时间尺度上揭示南极冰盖损失的特征和控制因素。由于气候变暖，极地冰盖正以加速的速度缩小，但现代观测还不足以确定当前冰盖的消失是否标志着不可逆转的退缩的开始。通过结合新的地质方法和数值冰流模型，该项目预计将产生关于冰盖损失速度和规模的新知识，以及将决定本世纪及以后冰损失数量的过程。这项工作应该有利于管理未来海平面上升对社会、经济和环境的影响。

This project aims to unearth the characteristics and controls of Antarctic ice sheet loss on timescales of 100s to 1000s of years. The polar ice sheets are getting smaller at an accelerating rate in response to a warming climate, but modern observations are not yet sufficient to determine whether current ice sheet loss marks the start of irreversible retreat. Through a combination of novel geological approaches and numerical ice-flow modelling, this project expects to generate new knowledge on the rates and magnitudes of ice sheet loss, and the processes that will dictate the amount of ice loss in this century and beyond. This work should be beneficial for managing the societal, economic and environmental impacts of future sea-level rise.