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地理科学  2012 

中亚天山托木尔峰地区青冰滩72号冰川雪坑化学特征及其环境指示意义

, PP. 641-648

Keywords: 雪化学,托木尔峰地区,天山,离子来源

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Abstract:

基于2008年7月天山托木尔峰地区青冰滩72号冰川雪坑实测资料,探讨其冰川雪坑离子化学特征及环境指示意义。研究发现,Ca2+、Mg2+是青冰滩72号冰川雪坑中主要阳离子;雪坑中阳离子浓度顺序为Ca2+>Mg2+>Na+>K+>NH4+,其中,Mg2+、K+和Ca2+主要反映长距离沙尘源物质传输情况;Cl-和Na+则一半以上来源于海盐;青冰滩72号冰川NO3-浓度高于天山地区含量平均值。

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