摘要
给出了非均匀土壤中考虑水动力弥散尺度效应的一维溶质运移两区模型。然后在初始浓度为零,半无限一维空间内常数通量边界条件下,推导出了可动区和不动区溶质浓度分布的解析表达式。并用Mathematica软件包作了数值计算。计算结果表明,该模型的模拟结果符合溶质运移的一般规律,因而该模型在土壤溶质运移的研究和应用中有一定的价值。
A tworegion model for 1D solute transport through heterogeneous soils considering scaledependent dispersion is studied, and an analytical solution describing the concentration distribution in the mobile region and immobile region is deduced under the initial concentration zero and a constant flux boundary condition of a semiinfinite 1D space The numerical computation is completed by the Mathematica software package
出处
《水科学进展》
EI
CAS
CSCD
北大核心
2003年第1期72-78,共7页
Advances in Water Science
基金
国家自然科学基金资助项目(59879022)
