地下水矿物饱和度的水文地球化学模拟分析——以娘子关泉域岩溶水为例HYDROGEOCHEMICAL MODELING ON SATURATION OF MINERALS IN GROUNDWATER∶A CASE STUDY AT NIANGZIGUAN,NORTHERN CHINA
李义连,王焰新,周来茹,高红波,张江华
摘要(Abstract):
通过分析娘子关泉域岩溶水的水文地质条件、岩溶发育规律以及水文地球化学特征 ,发现在该泉域内不应出现方解石、白云石、石膏等矿物溶解饱和状态。运用地球化学模拟软件 PHREEQC模拟该区可能的化学条件 (地下水中二氧化碳分压 )及相应条件下的矿物溶解状态 ,同时结合野外溶解实验推断所处条件范围。这一研究推测出地下水与其溶解矿物所处极限状态应为饱和状态 ,而实际常常应处于非饱和状态 ,若计算为过饱和状态 ,则应可能是分析数据错误所致。
关键词(KeyWords): 岩溶水;饱和指数;地球化学模拟;水文地质
基金项目(Foundation): 国家自然科学基金资助项目 ( 4 9832 0 0 5 ,40 172 0 86 )
作者(Author): 李义连,王焰新,周来茹,高红波,张江华
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参考文献(References):
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