[1]宋炜,刘普灵,郑良勇.核素示踪在土壤侵蚀研究中的应用[J].水土保持研究,2002,9(01):17-21.
　SONG Wei,LIU Pu-ling,ZHENG Liang-yong.Application of Nuclides on Studies of Soil Erosion[J].Research of Soil and Water Conservation,2002,9(01):17-21.
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核素示踪在土壤侵蚀研究中的应用

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 9 期数: 2002年01期 页码: 17-21 栏目: 出版日期: 1900-01-01
Title:
Application of Nuclides on Studies of Soil Erosion
作者:
宋炜, 刘普灵, 郑良勇
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, 712100
Author(s):
SONG Wei, LIU Pu-ling, ZHENG Liang-yong
Institute of Soil and Water Conservation, the Chinese Academy of Sciences and Ministry of Water Resources, Northwest Sci-tech University of Agriculture and Forestry, Yangling 712100, Shaanxi Province, China
关键词:
单核素示踪; 复合示踪; REE示踪; 泥沙来源; 土壤侵蚀
Keywords:
single application; compound application; REE tracer; sediment source; soil erosion
分类号:
TL99;S157.1
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（137Cs），多核素复合示踪（7Be, 210Pb, 226Ra, 230Th, 137Cs）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。
Abstract:
Tracer methods has been used to study soil erosion for about 30 years. With low analytical error and high quantification, it is also able to monitor quantitatively the both temporal and spatial variation of soil erosion.The single application of 137Cs and compound application of 7Be, 210Pb, 226Ra, 230Th, 137Cs in the field of soil erosion and sediment sources are reviewed. REE tracer method could perfectly describe the sediment sources, and be an effective method for studying temporal and spatial distribution of erosion and sediment. Finally both advantages and limitations of all these methods are discussed.

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相似文献/References:

[1]王晓燕,田均良.大气散落核素复合示踪在土壤侵蚀科学中的应用[J].水土保持研究,2001,8(02):133.
　WANG Xiao-yan,TIAN Jun-liang.Compound Application of Fallout Radionuclides on Studies of Soil Erosion[J].Research of Soil and Water Conservation,2001,8(01):133.

备注/Memo

收稿日期:2001-11-20。
作者简介:宋炜，女，（1977- ），硕士研究生，从事土壤侵蚀方面研究.

更新日期/Last Update: 1900-01-01