[1]张信宝,贺秀斌,文安邦,等.侵蚀泥沙研究的137Cs核示踪技术[J].水土保持研究,2007,14(02):152-154,157.
　ZHANG Xin-bao,HE Xiu-bin,WEN An-bang,et al.The 137Cs Nuclear Tracing Technique for Soil Erosion and Sedimentation Studies[J].Research of Soil and Water Conservation,2007,14(02):152-154,157.
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侵蚀泥沙研究的137Cs核示踪技术

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 14 期数: 2007年02期 页码: 152-154,157 栏目: 出版日期: 1900-01-01
Title:
The 137Cs Nuclear Tracing Technique for Soil Erosion and Sedimentation Studies
作者:
张信宝1,3, 贺秀斌1, 文安邦1, 郑进军1
1. 中科院、水利部成都山地灾害与环境研究所, 成都, 610041;
2. 中科院地球环境研究所黄土与第四纪地质国家重点实验室, 西安, 10075;
3. 黄土高原土壤侵蚀与旱地农业国家重点实验室, 陕西, 杨陵, 712100
Author(s):
ZHANG Xin-bao1,3, HE Xiu-bin1, WEN An-bang1, ZHENG Jin-jun1
1. Institute of Mountain Hazards and Enviornment, CAS, Chengdu 610041, China;
2. State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, CAS, Xi’an 710075, China;
3. State Key Laboratory of Soil Erosion and Dryland Farming on Loes Plateau, Yangling, Shaanxi 712100, China
关键词:
137Cs; 侵蚀泥沙; 黄土高原; 长江上游
Keywords:
137Cs; soil and sedimentation; the Loess Plateau; the upper Yangtze River Basin
分类号:
S157;TL99
摘要:
137Cs是上世纪50-70年代大气核试验产生的核尘埃，1963年产出量最大，半衰期30.1a。137Cs主要伴随降水降落到地表，随即被土壤颗粒吸附，137Cs以后的迁移主要伴随被吸附土壤颗粒的运移。上世纪80年代以来，137Cs示踪技术已广泛应用于侵蚀泥沙研究中。简要介绍了137Cs示踪技术的基本原理，和在黄土高原、长江上游等地侵蚀速率测定，泥沙来源调查，塘库沉积物断代等研究中的一些应用实例。
Abstract:
137Cs is an artificial radionuclide with a half-life of 30.1 years which released into the environment as a result of atmospheric testing of nuclear weapons during the period of 1950s to 1970s with a peak deposition in 1963.137Cs fallout was strongly and rapidly adsorbed by soil particles when it deposited on the ground mostly with precipitation. Its following movements will associate with the adsorbed particles. 137Cs tracing technique has been widely used in soil erosion and sedimentation studies since 1980s. The authors introduce the bases of the technique and show several case studies of assessment of soil erosion rates, investigation of sediment sources and dating of reservoir deposits by using the technique in the loess Plateau and the Upper Yangtze River Basin.

参考文献/References:

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备注/Memo

收稿日期:2006-6-20
基金项目:国家自然科学基金项目（批准号：40271015）；国际原子能机构（12300/RO）资助
作者简介:张信宝（1946- ），男，江苏镇江市人，研究员，博士生导师，四川省学术与技术带头人，中国水土保持学会小流域治理专业委员会委员，中国土壤学会土壤侵蚀专业委员会委员，长期从事水土保持和生态环境整治的研究。

更新日期/Last Update: 1900-01-01