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Stable oxygen isotope in water mediums in Urumqi River basin
Author(s): 
Pages: 50-56
Year: Issue:  1
Journal: ADVANCES IN WATER SCIENCE

Keyword:  乌鲁木齐河氧稳定同位素温度效应高度效应;
Abstract: 采用乌鲁木齐河流域历年采集的降水、表层粒雪、冰川融水和河川径流等水样资料,分析了取样期间不同水样中氧稳定同位素的变化,揭示了降水中氧稳定同位素变化存在着明显的温度效应,而温度效应又与海拔高度有关;表层粒雪和冰川融水中氧稳定同位素则无明显的高度效应;冰川融水中的氧稳定同位素比率小于河川径流中的氧稳定同位素比率.评估了不同影响因子对水循环过程中稳定同位素变化的影响及相互作用,为稳定同位素技术在水循环研究中的应用提供了实例.
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