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Dust-storm Events in Kekexili Area, Northern Tibetan Plateau During the Past 4000 Years: Evidence from Grain-size Analysis of Lacustrine Sediments in Kusai Lake
Author(s): 
Pages: 691-696
Year: Issue:  4
Journal: Acta Sedimentologica Sinica

Abstract: 通过分析库赛湖近4000年来湖相沉积物粒度组成特征,对比人工俘获风成物粒度特征,表明库赛湖沉积物中粗颗粒组分(>64 μm)主要由风力搬运作用进入湖泊沉积,记录了该地区尘暴事件历史.重建的尘暴事件序列表明:2 500~800 cal aBP时段为该地区近4 000年来尘暴事件高频发生的阶段,4 000~2 500 cal aBP和800 cal aBP以来的时段尘暴事件发生频率较低;近千年来的尘暴...
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