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用样品全溶铀系等时线测年法，较为成功地测定了青藏高原西北部甜水海湖ＴＳ９５钻孔岩芯中含不等量碳酸盐的湖泊碎屑－黏土沉积物的年龄，建立了海拔４０００ ｍ以上青藏高原主体部分距今２４０ ｋａ以来第１条连续的同位素（“绝对”）年龄标尺，从而为甜水海地区古气候古环境演化奠定了基础．简要介绍了该方法的基本原则、实验流程和测试结果，讨论了该技术的适用性、优越性及其可能存在的问题．
The isotope dating of all-uranium isotopes in samples was used to determine the ages of lacustrine debris-clay sediments with different carbonate concentrations in the TS95 core of the Shui Shuihai Lake in the northwestern Qinghai-Tibet Plateau. The first continuous isotope (“absolute”) age scale of the main part of the Qinghai-Tibet Plateau above 4000 m above sea level has laid the foundation for the paleoclimate paleoenvironment evolution in the area of Tianshuihai. The basic principles, experimental procedures and test results of the method are briefly introduced. The applicability, superiority and possible problems of the method are discussed.