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研究包气带水份运动的宗旨在于提高水文地质参数计算精度和地下水资源评价精度。在包气带中,水份是靠着能量的关系从能量高的地方向能量低的方向运动。而运动的速度V、渗透系数K、以及各种参数,包括扩散度D、容水度C,都是含水量或者基质势的函数。这样,要想了解包气带水的变化过程、掌握其运动规律,就必须要对土壤的含水量和基质势进行测定。基于这些目的,为了能在不受土壤中水的形态(液态、
The purpose of studying the motion of moisture in the aeration zone is to improve the calculation accuracy of hydrogeological parameters and the accuracy of groundwater resources evaluation. In the vadose zone, moisture moves in the direction of low energy from high energy grounds. The velocity V, the permeability coefficient K, and various parameters of the motion, including the diffusivity D and the water content C, are functions of the water content or the matrix potential. In this way, in order to understand the changing process of the air entrainment and to master its movement laws, it is necessary to measure the water content and the matrix potential of the soil. For these purposes, in order to be free from the water in the soil (liquid,