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青藏高原第四纪冰川时空演化问题广受关注。应用宇宙成因核素暴露年龄测定方法开展高原古冰川的年代学研究,对青藏高原聂拉木、唐古拉山、义敦海子山和折多山等4个地区的第四纪冰碛物进行了10Be,26Al和21Ne暴露年龄测定,获得了青藏高原不同地点第四纪冰川发育的年代学数据,结果表明青藏高原出现了多期第四纪冰期,分别为YD事件、末次冰期晚阶段、末次冰期早阶段、倒数第2次冰期和倒数第3次冰期。
The issue of temporal and spatial evolution of Quaternary glaciers in the Tibetan Plateau has drawn much attention. Based on the dating age of cosmic nuclide, the geochronology of ancient glaciers in the plateau was studied. The Quaternary glacial moraine in four areas of Nyalam, Tanggula, Yidun Haizi, , 26Al and 21Ne exposure ages, and obtained the chronological data of Quaternary glaciations in different locations of the Qinghai-Tibet Plateau. The results show that there are many Quaternary glacials on the Qinghai-Tibetan Plateau, which are YD event, late last ice age, early glacial ice age Phase, the penultimate glacial and the penultimate glacial.