摘要
为有效地预测和控制污染物对土壤和地下水体的污染,溶质在土壤中的运移研究越来越受到人们的关注.利用边界层理论,可推求出溶质在土壤中浓度时空分布的显示解析表达式,这种显示表达式便于溶质运移参数的获得.溶质锋面位置的测定是利用边界层确定参数的关键所在,研究结果表明,时域反射仪可以作为溶质锋面的探测手段.边界层方法在室内和田间都是一种可行的确定运移参数的方法,具有广泛的应用前景.
In order to effectively predict and control the pollution of soils and groundwater resources, more and more people paid close attention to the studies on the solute transport of soil. The corresponding mathematic models have been set up. How to estimate the various models parameters is the key of the application of the models. The boundary-layer theory was used to obtain the expressionof the concentration distribution. Soparameters areeasily obtained. Resultsshow that timedomain reflectmetry(TDR) can be used to determine the solute front. The boundary-layer theory is applicable to both laboratory soil columns and field soils.
出处
《温州师范学院学报》
2004年第2期96-99,共4页
Journal of Wenzhou Teachers College(Philosophy and Social Science Edition)
