郭会荣;靳孟贵;王云;

• 1:中国地质大学环境学院

摘要(Abstract)：

土壤优先流对包气带水流和污染物运移的影响已引起广泛关注,但大多数研究还停留在定性描述上,缺乏对优先流定量评价的标准。基于室内土柱实验获取的穿透曲线,分析了饱和条件下土壤溶质优先运移的一般规律,采用解析法模拟软件CX-TFIT拟合了溶质优先运移的参数,同时结合时间矩方法计算了定量评价优先流的指标PFSP。研究结果表明:时间矩方法中的一阶标准矩μ′1、二阶中间矩μ2以及偏态系数S可以定量刻画穿透曲线的特征,从而指示优先流的程度;PFSP能很好地刻画优先流作用的大小。该研究对优先流的定量评价具有重要指导意义。

关键词(KeyWords)： 土壤优先流;穿透曲线;时间矩分析法;CXTFIT

Abstract:

Keywords:

基金项目(Foundation): 中国地质大学(武汉)优秀青年教师资助项目(CUGQNL0540);; 国家自然科学基金项目(40472123)

作者(Author): 郭会荣;靳孟贵;王云;

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DOI:

参考文献(References)：

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