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Erosion rates evaluated by the Cs-137 technique in the high altitude area of the Qinghai-Tibet plateau of China
Wang, Yibo1; Wang, Genxu1,2; Hu, Hongchang1; Cheng, Huiyan1
Corresponding AuthorWang, Yibo
2008
Source PublicationENVIRONMENTAL GEOLOGY
ISSN0943-0105
Volume53Issue:8Pages:1743-1749
SubtypeArticle
Abstract

Studying spatial and temporal variation of soil loss is of great importance because of global environmental concerns. Understanding the spatial distribution of soil erosion and deposition in the high-cold steppe is important for designing soil and water conservation measures. Measured Cs-137 losses (Bq m(-2)) from long-term high altitude (4,000 m above sea level) watershed plots on the Qinghai-Tibet plateau and derived soil erosion estimates (Mg ha(-1) year(-1)) were significantly correlated to directly measured soil losses from the same plots, over the same period (1963-2005). The local reference inventory was estimated to be 2,468 Bq m(-2). The result of analyzing Cs-137 distribution and its intensity in the soil profiles in this area shows similarities to Cs-137 distribution in other areas. Cs-137 is basically distributed in the topsoil layer of 0-0.3 m. Soil erosions vary greatly in the entire sampled area, ranging from 5.5 to 23 Mg ha(-1) year(-1), with an average of 16.5 Mg ha(-1) year(-1) which is a moderate rate of erosion.

KeywordThe Cs-137 Method Surface Runoff Soil Erosion Spatial Distribution Radionuclide
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1007/s00254-007-0780-0
WOS Subject ExtendedEnvironmental Sciences & Ecology ; Geology ; Water Resources
Indexed BySCI
WOS KeywordESTIMATING SOIL-EROSION ; FALLOUT CS-137 ; CESIUM-137 MEASUREMENTS ; SEDIMENT YIELD ; REDISTRIBUTION ; RADIONUCLIDES ; ACCUMULATION ; WATERSHEDS ; CATCHMENT ; MODELS
Language英语
Quartile4区
TOP
WOS SubjectEnvironmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS IDWOS:000252798500013
Accession numberAccession number: 20080611088227
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10543
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.Lanzhou Univ, Minist Educ, Key Lab Western Chinas Environm Syst, Lanzhou 730000, Gansu, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yibo,Wang, Genxu,Hu, Hongchang,et al. Erosion rates evaluated by the Cs-137 technique in the high altitude area of the Qinghai-Tibet plateau of China[J]. ENVIRONMENTAL GEOLOGY,2008,53(8):1743-1749.
APA Wang, Yibo,Wang, Genxu,Hu, Hongchang,&Cheng, Huiyan.(2008).Erosion rates evaluated by the Cs-137 technique in the high altitude area of the Qinghai-Tibet plateau of China.ENVIRONMENTAL GEOLOGY,53(8),1743-1749.
MLA Wang, Yibo,et al."Erosion rates evaluated by the Cs-137 technique in the high altitude area of the Qinghai-Tibet plateau of China".ENVIRONMENTAL GEOLOGY 53.8(2008):1743-1749.
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