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通过黄土高原塬区、梁峁区和断陷谷区典型沟谷的阶地堆积、侵蚀面及其与之相邻的黄土—古土壤地层序列研究,并结合古气候特征分析,提出倒数第二次冰期冬季风向末次间冰期夏季风过渡期黄土高原东部地区发生了强烈的气候侵蚀事件。沉积物特征研究和古气候复原结果表明,此次侵蚀是一次以暴雨为主要动力的快速侵蚀事件。
Based on the study of terrace accumulation, erosion surface and its adjacent loess-paleosol sequence in the typical valleys of the Loess Plateau, Liangbei and Faulted Valley, combined with the palaeoclimate analysis, the second-last glacial Winter monsoon The last interglacial monsoon summer monsoon overgrown the eastern part of the Loess Plateau occurred a strong climate erosion event. Sediment characteristics studies and paleoclimate restoration results show that this erosion is a rapid erosion event with torrential rain as the main driving force.