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青海湖16ka以来的孢粉记录显示:15.2ka以前,青海湖地区的气候寒冷干燥,进入晚冰期的气候特点为凉偏干～温凉偏湿,冷暖波动频繁,但幅度不大。13.4～13,12～11.6和11～10.4kaBP之间的冷颤动分别相当于老仙女木、中仙女木和新仙女木事件,13～12和11.6～11kaBP之间的暖期则分别对应于博令和阿勒罗得暖期.新仙女木事件后的升温具有突变性的特点,气候由温暖偏干变为暖湿。8.2kaBP左右的冷事件明显,为全新世降温幅度最大的一次,全新世大暖期鼎盛期为6.7kaBP左右。2.1kaBP以来,青海湖地区的气候开始向冷干方向发展,并一直持续至今.孢粉浓度和花粉组合所反映的青海湖晚冰期以来的气候演化同全球性的气候事件具有很好的可比性。
The spore-pollen record of Qinghai Lake since 16 ka shows that before 15.2 ka, the climate in Qinghai Lake is cold and dry, and the climate characteristic of late glacial period is cool and dry-warm and wet, with frequent fluctuations in cold and warm, but not in a small amount. The chilling oscillations between 13.4-13, 12-11.6 and 11-10.4 kbps respectively corresponded to the wood events of the old fairy wood, the fairy wood and the new fairy wood, and the warm periods of 13-12 and 11.6-11 kBP respectively corresponded to Bo Let and Allergy get warm.New fairy wood after the mutation has the characteristics of mutation, the climate changes from warm to dry warm. The cold event of 8.2kaBP is obviously the largest in the Holocene, and the peak period of the Holocene is 6.7kaBP during the Holocene. Since 2.1kaBP, the climate in Qinghai Lake area has been cold and dry, and has been continuing since now. The evolution of climate in the Qinghai Lake since the late Glacial period reflected by the pollen concentration and pollen assemblage has a good comparability with the global climate events .