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Position: Home > Articles > PROGRESS AND SUGGESTIONS ON THE INVESTIGATION OF ~(137)Cs REFERENCE INVENTORY Journal of Nuclear Agricultural Sciences 2008,22 (6) 175-179+184

~(137)Cs示踪技术背景值研究进展与建议

作  者:
刘志强;杨明义;刘普灵;田均良
单  位:
中国科学院研究生院;西北农林科技大学水土保持研究所/黄土高原土壤侵蚀与旱地农业国家重点实验室;中国科学院教育部水土保持与生态环境研究中心
关键词:
137Cs背景值;全球空间分布;土壤侵蚀;影响因素
摘  要:
利用环境核素137Cs示踪技术研究土壤侵蚀被越来越多的科研人员所采用,而背景值的确定是利用该技术研究土壤侵蚀的前提和根本,直接关系到侵蚀速率计算的准确与否。本文从137Cs背景值采样点的选取方式,137Cs全球空间分布预报模型以及影响137Cs沉降因素等方面进行了总结性综述,对137Cs背景值研究应注意的问题和今后研究重点提出了建议。
译  名:
PROGRESS AND SUGGESTIONS ON THE INVESTIGATION OF ~(137)Cs REFERENCE INVENTORY
作  者:
LIU Zhi-qiang~(1,2,3) YANG Ming-yi~(1,2) LIU Pu-ling~(1,2) TIAN Jun-liang~(1,2)(1.State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau,Institute of Soil and Water Conservation/Northwest Sci-Tech University of Agriculture and Forestry,Yangling,Shaanxi 712100;2.Research Center of Soil and Water Conservation & Eco-environment,Ministry of Education,Chinese Academy of Sciences,Yangling,Shaanxi 712100;3.Graduate School,Chinese Academy of Sciences,Beijing 100049)
关键词:
(137)Cs reference inventory;global spatial distribution;soil erosion;influence factors
摘  要:
Radionuclide fallout()~(137)Cs has been applied in soil erosion research by more and more researchers.However,confirmation of the()~(137)Cs background value was the premise and foundation of whether the results of soil erosion rates were correct or not,provided by using()~(137)Cs tracer technique.The current research results,including how to choose the()~(137)Cs reference sites,the()~(137)Cs reference inventory prediction model of global spatial distribution and the factors affecting the deposition of(()~(137)Cs) were reviewed.Finally,the problems,suggestions and prospects for future development in()~(137)Cs reference inventory were discussed.

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