DANGER DML - Deciphering the evolution of an East ANtarctic drainage system over the last Glacial cycle in westERn Dronning Maud Land

了解南极冰盖的行为对于评估极地冰盖在气候系统中的作用和限制海平面上升对未来气候变暖的全球影响至关重要。评估东南极冰盖未来潜在行为的关键是记录它在最后一个冰川周期（约0 - 11.5万年前）中的变化，并确定易受这些变化影响的地区。然而，目前缺乏合适的观测和模型，可以真实地模拟南极洲东部冰盖的演变。该缺陷将在危险DML中解决。该项目的总体目标是更好地了解南极东部冰盖的一个主要部分如何对末次冰期循环期间冰盖的变化作出反应，方法是对冰的内层采用一种新的结构分析方法，以重建过去的冰流模式。这使得一种新的方式来调查过去的冰动力行为的一个主要流域在德龙宁毛德地（Jutulstraumen及其邻近集水区）在末次冰期循环，特别是从末次盛冰期到全新世的过渡。

An understanding of Antarctic ice-sheet behaviour is critical for evaluating the role of the polar ice caps in the climate system and for constraining the global impact of sea-level rise in a future warming climate. Critical for assessing the potential future behaviour of the East Antarctic Ice Sheet is to document how it changed over the last glacial cycle (~ 0 – 115 thousand years ago) and to identify areas that were vulnerable to these changes. However, there is a lack of suitable observations and models that can realistically simulate East Antarctica's ice-sheet evolution. This deficiency will be addressed in DANGER DML. The overall goal of the project is to better understand how a major sector of the East Antarctic Ice Sheet reacted to ice-sheet changes during the last glacial cycle by applying a novel structural analysis method for internal layers in the ice to reconstruct ice-flow patterns of the past. This enables a new way to investigate the past ice-dynamic behaviour of a major drainage basin in Dronning Maud Land (Jutulstraumen and its neighboring catchments) over the last glacial cycle and in particular the transition from the Last Glacial Maximum to the Holocene.