河北任丘深层地下水氟的空间分布及形成过程Spatial Distribution and Formation Process of Fluoride in Deep Groundwater in Renqiu, Hebei Province
刘咏康,李少虎,吕倩倩,郭涵,张琳瑶
摘要(Abstract):
为研究任丘深层地下水氟的空间分布特征及形成过程,通过36组样品数据,运用arcgis10.8用反距离权重插值法、三线图以及GIBBS图解等方法,分析了研究区深层地下水水化学特征、氟的空间分布特征以及形成过程。结果表明:研究区深层地下水F~-整体呈带状分布,西部低,东南高,与深层地下水流向基本一致;其含量均超过1.0 mg/L,超过国家规定标准;深层地下水化学组分主要受岩石风化作用控制;含氟矿物的溶解和方解石的沉淀有利于F~-富集,同时由于地下水处于弱碱性条件下,■与矿物表面的F~-竞争吸附作用、阳离子交换作用进一步提高研究区深层地下水中F~-含量。研究成果可为当地饮水安全和利用提供参考。
关键词(KeyWords): 水质分析;深层地下水;氟;分布特征;形成过程
基金项目(Foundation): 任丘市城市地质调查项目(43-0401-YQN-M7TC)
作者(Author): 刘咏康,李少虎,吕倩倩,郭涵,张琳瑶
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