不同林地土壤水分入渗和入渗模拟的研究*

林业科学 ›› 1997, Vol. 33 ›› Issue (1): 9-17.

不同林地土壤水分入渗和入渗模拟的研究*

周择福¹,洪玲霞²

1. 中国林业科学研究院林业研究所北京 100091
2. 中国林业科学研究院资源信息研究所北京 100091

收稿日期:1995-06-14 出版日期:1997-01-25 发布日期:1997-01-25

STUDIES ON INFILTRATION AND INFILTRATION SIMULATION OF SOIL WATER IN DIFFERENT WOODLANDS

Zefu Zhou¹,Lingxia Hong²

1. The Research Insititute of Forestry, CAF Beijing 100091
2. The Research Institute of Forest Resource Information Techniques, CAF Beijing 100091

Received:1995-06-14 Online:1997-01-25 Published:1997-01-25

摘要/Abstract

摘要：

由达西定理和能量守恒原理推导了土壤水分入渗的数学模型,水平土柱法实测了模型中的基本运动参数:土壤水分扩散率D(θ),推求了土壤水分非饱和导水率K( ,经过计算机用有限差分法模拟了六块不同林地的土壤水分入渗过程,实地试验检验了模拟结果。结果表明计算的累积入渗量和入渗率与实测值非常一致。经过模拟结果绘制的入渗时水分随时间变化的剖面图,形象地反映了不同林地的土壤水分入渗的全过程。

关键词: 土壤水分入渗, 动态模拟, 不同林地类型

Abstract:

A mathematical model of soil water infiltratoin was built according to the Decy's law and energy conservation energy principle. For establishing this model, soil moisture parameters were measured in the laboratory. Process of soil water infiltration in different woodlands was simulated. The paper showed that computer simulation is consistent with the experim ental results for accumulative infiltration volume and infiltration rate. Infiltration profile maps drawed through simulation results objectively showed the whole process of infiltration.

Key words: Soil water infiltration, Dynamic simulation, Different types of woodland

周择福,洪玲霞. 不同林地土壤水分入渗和入渗模拟的研究*[J]. 林业科学, 1997, 33(1): 9-17.

Zefu Zhou,Lingxia Hong. STUDIES ON INFILTRATION AND INFILTRATION SIMULATION OF SOIL WATER IN DIFFERENT WOODLANDS[J]. Scientia Silvae Sinicae, 1997, 33(1): 9-17.

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