γ透射法在大型高精度称重式土壤蒸渗仪中的应用  

Application of γ Ray in the Large and High Precision Weighting Lysimeter

作　　者：杨新民[1] 张建丰[2] 王文焰[2] 沈冰[2] 

机构地区：[1]西安市水利部水土保持研究所,712100 [2]西安理工大学

出　　处：《中国农村水利水电》1997年第8期28-31,共4页China Rural Water and Hydropower

摘　　要：介绍了γ透射法应用于大型高精度称重式土壤蒸渗仪上的研究情况，并说明了如何利用计算机对其土壤剖面上30个测点的数据采集系统实行自动实时测定处理及控制。它为田间蒸散和降水入渗试验研究提供了一种先进的测量方法和技术手段。The study of application of γ ray in the large and high precision weighting lysimeter and introduced in this paper. The computer can be used for automatic and real-time measurement and controlling of data collecting system of 30 measuring points in the soil profile. It is an advanced measuring method for experimental study of field evapotranspiration and rainfall infiltration.

关 键 词：Γ透射法 蒸渗仪 蒸散 土壤水分 

分 类 号：S152.7[农业科学—土壤学]