Late Quaternary glaciations, periglacial and aeolian geomorphic processes as contribution to the paleoclimatic evolution of continual mountains in Western Mongolia (Altay and Khangay)

晚第四纪冰川作用、冰缘和风积地貌过程对蒙古西部连续山脉（阿勒泰和康爱）古气候演化的贡献

• 批准号: 223849325
• 负责人: Dr. Daniela Hülle, since 11/2012
• 金额: --
• 依托单位: Lehrstuhl für Physische Geographie und Geoökologie
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2012
• 资助国家: 德国
• 起止时间: 2011-12-31 至 2014-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/223849325?language=en
• 关键词: Late; Quaternary; glaciations; periglacial; aeolian

Main aim of the investigation is the extent and causes of late Pleistocene and Holocene glaciations and aeolian cover sediments in the mountain ranges of western Mongolia. The study area concentrates on important sites in the area between the deserts and steppe landscapes of Central Asia and the forest areas of Siberia. Following research question should be investigated: (1) Timing of maximum late Quaternary glaciations. (2) Periods of aeolian sedimentation and paleosols. (3) Regional climatic circulation of the Westerlies and possible monsoonal influences on the (paleo) glaciations and on the sedimentation of loess. To answer this research questions glacial landforms and sediments and aeolian cover sediments will be mapped, sampled, analyzed with sedimentological and pedological methods and dated with radiocarbon and luminescence. A special focus will be placed on the periglacial modification of the different archives. The investigation starts in the modern glaciated Mongolian Altai in the westernmost part of Mongolia towards the Khangay Mountains in the central part of Mongolia regarding the regional differences in elevation, equilibrium altitude elevation and moisture. The results of this study will be correlated with those of other areas of Central Asia to highlight similarities and differences in the regional paleoclimatic evolution.

该调查的主要目的是在西蒙古山区山脉的更新世和全新世冰原和风险覆盖沉积物的范围和原因。研究区集中在中亚和西伯利亚森林地区沙漠和草原景观之间的重要地点。以下研究问题应进行研究：（1）最大晚期冰川的时间。 （2）风险沉积和古溶质的时期。 （3）西风的区域气候循环以及对（古）冰川和黄土沉积的可能的季风影响。为了回答这项研究，冰川地形和沉积物以及风格的沉积物将被映射，采样，用沉积学和教育方法进行映射，分析，并用放射性碳和发光日期。将特别关注不同档案的冰纹修饰。调查始于蒙古最西端的现代冰川蒙古阿尔泰（Mongolian Altai），朝蒙古中部的Khangay山脉，涉及海拔，平衡海拔高度和水分的区域差异。这项研究的结果将与中亚其他领域的结果相关，以突出区域古气候进化的相似性和差异。