IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
Cs-137 budget during the period of 1960s in a small drainage basin on the Loess Plateau of China
Zhang, X; Walling, DE; Yang, Q; He, X; Wen, Z; Qi, Y; Feng, M
Corresponding AuthorZhang, X
2006
Source PublicationJOURNAL OF ENVIRONMENTAL RADIOACTIVITY
ISSN0265-931X
EISSN1879-1700
Volume86Issue:1Pages:78-91
SubtypeArticle
AbstractA sediment profile with a thickness of 28.12 m in a failed reservoir in a small catchment of the Yuntaishan Gully in the Loess Plateau of China consisted of 44 flood couplets deposited during the period from 1960 to 1970 with total volume of 2.36 X 10(6) m(3). Specific sediment yields for a flood event varied from 300 t km(-2) to 14,400 t km(-2) and annual sediment yields varied from 2500 t km(-2) in 1966 to 40,000 t km(-2) in 1964 with a mean value of 12,700 t km(-2) a(-1) for the period. Average annual Cs-137 concentrations of the sediments increased from 0.92 Bq kg(-1) in 1960 to 4.82 Bq kg(-1) in 1963, then decreased to 1.53 Bq kg(-1) in 1970. The total Cs-137 activity in the reservoir sediments was 9.22 X 10(9) Bq, which accounted for 31.9% of the total Cs-137 fallout precipitation of 2.89 X 10(10) Bq within the catchment during the period. The proportion of the Cs-137 loss from the catchment to the Cs-137 fallout precipitation within the catchment in a year varied between 8.01% and 66.8%, and it was 20.9% for the peak Cs-137 deposition year of 1963 and 52.0% in 1964. By analysis of the Cs-137 budget in the catchment for the Cs-137 peak precipitation period from 1962 to 1964, the Cs-137 surface enrichment coefficient Gamma should be Much less than 0.23. And for calculation of soil losses on the cultivated land in the inter-gully area by using the Mass Balance Model 11, the value of Gamma should be 0.05-0.1. (C) 2005 Elsevier Ltd. All rights reserved.
KeywordCs-137 Budget 1960s Enrichment Coefficient The Loess Plateau
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.jenvrad.2005.07.007
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
WOS KeywordSOIL-EROSION ; FALLOUT CS-137 ; CESIUM-137 ; TRANSPORT ; RADIONUCLIDES ; SEDIMENTATION ; INVESTIGATE ; PROVINCE ; PB-210 ; RATES
Language英语
Quartile4区
TOP
WOS SubjectEnvironmental Sciences
WOS IDWOS:000235572700006
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10508
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, Peoples R China
2.MWR, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
3.CAS, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
4.MWR, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
5.Univ Exeter, Dept Geog & Archaeol, Exeter EX4 4RJ, Devon, England
6.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
7.China W Normal Univ, Nanchong 637002, Peoples R China
Recommended Citation
GB/T 7714
Zhang, X,Walling, DE,Yang, Q,et al. Cs-137 budget during the period of 1960s in a small drainage basin on the Loess Plateau of China[J]. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY,2006,86(1):78-91.
APA Zhang, X.,Walling, DE.,Yang, Q.,He, X.,Wen, Z.,...&Feng, M.(2006).Cs-137 budget during the period of 1960s in a small drainage basin on the Loess Plateau of China.JOURNAL OF ENVIRONMENTAL RADIOACTIVITY,86(1),78-91.
MLA Zhang, X,et al."Cs-137 budget during the period of 1960s in a small drainage basin on the Loess Plateau of China".JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 86.1(2006):78-91.
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