黄土高原土壤侵蚀与稀土元素示踪研究  

Studies of Soil Erosion and REE Tracer Method on the Loess Plateau

作　　者：周佩华[1] 田均良[1] 刘普灵[1] 郑世清[1] 吴普特[1] 武春龙[1] 李雅琦[1] 

机构地区：[1]中国科学院水利部水土保持研究所,陕西杨陵712100

出　　处：《水土保持研究》1997年第2期2-9,共8页Research of Soil and Water Conservation

基　　金：中国科学院"八五"重点项目

摘　　要：提出了一种研究土壤侵蚀的新方法—稀土元素示踪法。该法通过多种稀土元素示踪，可以观测任一所给走坡段次暴雨的侵蚀量和沉积量，因而在土壤侵蚀垂直分布定量分析、特殊地形部位的土壤侵蚀以及小流域泥沙来源等研究领域有广阔应用前景。REE tracer method .as a new method for studies of soil erosion, has been proposed and aclopted in this study. Because of multi-REE tracers employed, the erosion and spdimentation amount of any definite slope section can be observed conveniently in each rainfall. Therefore,the REE tracer method has a broad applied future for scientists to studythe vertical distribution quantitative annlysis of soll eroslon, the soil erosion of specific topographic parts as well as the sources of sediment in a small watershed.

关 键 词：稀土元素 示踪法 土壤侵蚀 分布 黄土高原 

分 类 号：S157.1[农业科学—土壤学]