Chronology of Pleistocene ice-dammed lake outburst floods in the Altai Mountains, Siberia

在更新世晚期，西伯利亚阿尔泰山脉发生了世界上最大的洪水。在鄂毕河的源头，先进的山谷冰川阻塞了丘亚河的河道，形成了冰坝湖，这些冰坝湖一再被灾难性的突发洪水排干。以前的重建导致或多或少一致的方案的时间和动态的区域更新世冰川的主要触发事件。测年技术的方法和技术进步提高了对时间动态的认识，但由于相互矛盾的数据越来越多，也增加了不确定性。这种不确定性导致一些人怀疑俄罗斯阿尔泰山脉冰川作用和相关突发洪水的年代学的一些先前发现。通过应用该领域专家最先进的OSL测年技术，我们希望提高对突发洪水的时间和空间动态的了解，作为该地区冰川作用的指标，这可能被视为中亚的一个关键位置。

In the late Pleistocene, some of the largest floods in the world took place in the Siberian Altai Mountains. In the headwaters of the River Ob, advanced valley glaciers blocked the course of the River Chuya and formed ice-dammed lakes that repeatedly drained by catastrophic outburst floods. Previous reconstructions resulted in more or less consistent scenarios of the timing and dynamics of the regional Pleistocene glaciation being the main trigger of the events. Methodological and technological progress in dating techniques have improved knowledge of the temporal dynamics but also increased the uncertainty due to an increasing number of contradictory data. This uncertainty has led some to doubt some previous findings of the chronology of the glaciation and related outburst floods in the Russian Altai Mountains. By the application of state-of-the-art techniques of OSL-dating by experts in the field we want to improve the knowledge of the temporal and spatial dynamics of the outburst floods as indicators of the glaciation in the area, which might be seen as a key location for Central Asia.