关键词：干旱区绿洲；地F水；水化学类型；时宅变异；演变规律 [gap=1530]Key words：arid region oasis；groundwater；hydrochemical type；evolution character；evolution law
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The results showed that the main hydrochemical type of Qinghai salt lake is type of the magnesium sulfate.
结果表明，青海盐湖水化学类型主要为硫酸镁盐型。
Through the analysis of hydrochemical composition of natural water in Nushan Lake, the type and fundamental characteristics of hydrochemistry can be determined.
通过对女山湖水体化学成份的分析，确定其水化学类型及基本特征，并对水质进行综合评价。
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