Cs-137 budget during the period of 1960s in a small drainage basin on the Loess Plateau of China
文献类型：期刊论文
| 作者 | Zhang, X1,2 ; Walling, DE3; Yang, Q2; He, X1; Wen, Z2; Qi, Y1,4; Feng, M5
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| 刊名 | JOURNAL OF ENVIRONMENTAL RADIOACTIVITY
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| 出版日期 | 2006 |
| 卷号 | 86期号:1页码:78-91 |
| 关键词 | Cs-137 budget 1960s enrichment coefficient the Loess Plateau |
| ISSN号 | 0265-931X |
| 通讯作者 | Zhang, X |
| 英文摘要 | A 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. |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| 类目[WOS] | Environmental Sciences |
| 研究领域[WOS] | Environmental Sciences & Ecology |
| 关键词[WOS] | SOIL-EROSION ; FALLOUT CS-137 ; CESIUM-137 ; TRANSPORT ; RADIONUCLIDES ; SEDIMENTATION ; INVESTIGATE ; PROVINCE ; PB-210 ; RATES |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000235572700006 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/10508]  |
| 专题 | 成都山地灾害与环境研究所_成都山地所知识仓储（2009年以前） 成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室 |
| 作者单位 | 1.Institute of Mountain Hazards and Environment, CAS & MWR, Chengdu 610041, China 2.State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, CAS & MWR, Yangling 712100, China 3.Department of Geography and Archaeology, Exeter University, Exeter EX 4 4RJ, UK 4.Graduate School of the Chinese Academic of Sciences, Beijing 100039, China 5.China West Normal University, Nanchong 637002, China |
| 推荐引用方式 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. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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