Did ocean circulation changes build the Antarctic ice sheet?

南极冰盖从3400万年前(Ma)开始到今天的演变，对于我们对未来气候变化的理解至关重要。该项目旨在改进早渐新世(30 Ma)和中中新世(15 Ma)的气候和海洋模型模拟，使用比以前所做的更高的分辨率和更准确的古地理。预期的结果包括改善古气候重建，更好地约束未来的气候变化，以及更好地了解海洋涡旋对南极气候的影响。这些成果应该会加强澳大利亚气候建模的长期计划，并使气候适应、缓解和风险管理更加有效。

The evolution of the Antarctic ice sheet, from its beginning 34 million years ago (Ma) until today, is critical to our understanding of future climate change. This project aims to improve climate and ocean model simulations of the early Oligocene (30 Ma) and middle Miocene (15 Ma), using higher resolution and more accurate paleogeography than has previously been done. Expected outcomes include improvements to paleoclimate reconstructions, better constraints on future climate change, and a better understanding of the impact of ocean eddies on Antarctic climate. These outcomes should strengthen Australia’s long-term program of climate modelling, and enable more effective climate adaptation, mitigation and risk management.