由土壤水分特征曲线反推土壤孔隙分形维数Inverse deduction on fractal dimension of soil pore with soil-water characteristic curve
胡浩云,孙建伟,穆征,马曙晓
摘要(Abstract):
利用分形几何理论,可在水分特征曲线与土壤结构分维之间建立一定的函数关系式。利用这些函数关系式与Campbell经验公式具有相同或相似的幂定律形式的特点,由土壤水分特征曲线反推土壤孔隙分形维数,这不仅可以揭示Campbell经验公式与土壤孔隙结构之间的内在联系,还可为建立土壤非饱和水力参数的分形模型提供理论依据。
关键词(KeyWords): 土壤水分特征曲线;Campbell公式;分形维数
基金项目(Foundation):
作者(Author): 胡浩云,孙建伟,穆征,马曙晓
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