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太行山前平原土壤水分特征曲线拟合参数的确定

DOI: 10.3321/j.issn:1000-7091.2001.02.015, PP. 75-82

Keywords: 土壤水分特征曲线,模型,拟合

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Abstract:

本文分别用BrooksandCorey,vanGenuchten和Broadbridge-White模型拟合了太行山山前平原不同层次土壤水分特征曲线(SWC),并用Mualem和Burdine模型计算了土壤非饱和导水率(K)和扩散率(D)。最能较好计算实验地点D和K的方法是用vanGenuchten模型拟和SWC(约束条件m=1-2/n),用Burdine方法计算K和D。

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