核素示踪在土壤侵蚀研究中的应用

被引:10
作者
宋炜
刘普灵
郑良勇
机构
[1] 中国科学院水利部西北农林科技大学水土保持研究所
[2] 中国科学院水利部西北农林科技大学水土保持研究所 陕西杨陵
[3] 陕西杨陵
关键词
单核素示踪; 复合示踪; REE示踪; 泥沙来源; 土壤侵蚀;
D O I
暂无
中图分类号
S157.1 [水土流失的原因及其防治];
学科分类号
0815 ; 082802 ; 090707 ; 0910 ;
摘要
利用示踪技术研究土壤侵蚀在国外已有 30多年的历史 ,因其具有分析精度和量化程度高 ,能对土壤侵蚀时空变化进行定量监测的优势而受到重视。分别介绍了单核素示踪 (1 37Cs) ,多核素复合示踪 (7Be,2 1 0 Pb,2 2 6 Ra,2 30 Th,.1 37Cs)在土壤侵蚀和泥沙来源研究领域中的进展情况 ,并详细阐述利用稳定性稀土元素 (REE)示踪在研究泥沙来源 ,侵蚀产沙时空分布方面也是一种有效的方法 ,最后对各种方法做了简要评价
引用
收藏
页码:17 / 21
页数:5
相关论文
共 13 条
[1]  
Use of fallout radionuclides as indicators of erosion processes. Wallbrink,P. J. and Murray,A. S. Hydrological Processes . 1993
[2]  
Accretion and canal impacts in a rapidly subsiding wetland. III. A new soil horizon marker method for measuring recent accretion[J] . R. M. Knaus,D. L. Gent. &nbspEstuaries . 1989 (4)
[3]  
Examination of caesium-137 areal activities in control unroded locations. R. A. Sutherland. Soil Technology . 1991
[4]  
Quantitative model for estimating soil erosion rate using137 Cs. Yang H. Du M. Chang Q. et al. Pedosphere . 1998
[5]  
Quantitative model of soil erosion rate using137 Cs for uncultivated soil. Yang H,Chang Q. Du M . et al. Soil Science . 1998
[6]  
Man-made radionuclides and sedimentation in the Hudson River estuary. Simpson etc. Science . 1976
[7]  
Predicting the temporal relationship between soil caesium-137 and erosion rate. Kachanoski R G,De Jong E. Journal of Environmental Quality . 1984
[8]  
REE tracer method for studies on soil erosion. Tian Junliang et al. International Journal of Sediment Research . 1994
[9]  
Movement of137 Cs by runoff , erosion and infiltration on the alluvial captina silt loam. Rogowski A S,Tamura T. Health Physics . 1965
[10]  
Estimates of soil erosion and deposition for some Saskatchewan soils. De Jong. Canadian Journal of Soil Science . 1983