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A simplified (CS)-C-137 transport model for estimating erosion rates in undisturbed soil
Zhang, Xinbao1,2; Long, Yi1,3; He, Xiubin1; Fu, Jiexiong1,3; Zhang, Yunqi1,3
2008
Source PublicationJOURNAL OF ENVIRONMENTAL RADIOACTIVITY
ISSN0265-931X
EISSN1879-1700
Volume99Issue:8Pages:1242-1246
SubtypeArticle
Abstract(CS)-C-137 is an artificial radionuclide with a half-life of 30.12 years which released into the environment as a result of atmospheric testing of thermo-nuclear weapons primarily during the period of 1950s-1970s with the maximum rate of (CS)-C-137 fallout from atmosphere in 1963. (CS)-C-137 fallout is strongly and rapidly adsorbed by fine particles in the surface horizons of the soil, when it falls down on the ground mostly with precipitation. Its subsequent redistribution is associated with movements of the soil or sediment particles. The Cs-137 nuclide tracing technique has been used for assessment of soil losses for both un-disturbed and cultivated soils. For undisturbed soils, a simple profile-shape model was developed in 1990 to describe the Cs-137 depth distribution in profile, where the maximum (CS)-C-137 occurs in the surface horizon and it exponentially decreases with depth. The model implied that the total (CS)-C-137 fallout amount deposited on the earth surface in 1963 and the (CS)-C-137 profile shape has not changed with time. The model has been widely used for assessment of soil losses on undisturbed land.
KeywordCs-137 Redistribution Undisturbed Soil Simplified Transport Process Model Soil Erosion Rate
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.jenvrad.2008.03.001
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
WOS KeywordAGRICULTURAL SOILS ; VERTICAL MIGRATION ; FALLOUT CS-137 ; CESIUM-137 ; PROFILES ; TIMES
Language英语
Quartile4区
TOP
WOS SubjectEnvironmental Sciences
WOS IDWOS:000257722300005
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10533
Collection成都山地所知识仓储(2009年以前)
山地表生过程与生态调控重点实验室
Affiliation1.CAS, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China
2.CAS, Inst Geog Sci & Nat Resources Branch, State Key Lab, Beijing 100044, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Zhang, Xinbao,Long, Yi,He, Xiubin,et al. A simplified (CS)-C-137 transport model for estimating erosion rates in undisturbed soil[J]. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY,2008,99(8):1242-1246.
APA Zhang, Xinbao,Long, Yi,He, Xiubin,Fu, Jiexiong,&Zhang, Yunqi.(2008).A simplified (CS)-C-137 transport model for estimating erosion rates in undisturbed soil.JOURNAL OF ENVIRONMENTAL RADIOACTIVITY,99(8),1242-1246.
MLA Zhang, Xinbao,et al."A simplified (CS)-C-137 transport model for estimating erosion rates in undisturbed soil".JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 99.8(2008):1242-1246.
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