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USING Cs-137 FINGERPRINTING TECHNIQUE TO ESTIMATE SEDIMENT DEPOSITION AND EROSION RATES FROM YONGKANG DEPRESSION IN THE KARST REGION OF SOUTHWEST CHINA
Bai, X. -Y.1,2,4; Zhang, X. -B.1,3; Chen, H.2; He, Y. -B.1,4
Corresponding AuthorZhang XB(张信宝)
2010
Source PublicationLAND DEGRADATION & DEVELOPMENT
ISSN1085-3278
Volume21Issue:5Pages:474-479
SubtypeArticle
AbstractUnderstanding the erosion and deposition rates is very important for designing soil and water conservation measures. However, existing methods of assessing the rates of soil loss present many limitations and are difficult to apply to in karst areas, and there is still very little data in this areas. Karst depressions comprise geomorphologically important sources and sinks for sediments and can provide the long-term history records of environmental changes. But there have been few similar studies focused on its sediments in the world. In this paper, the Cs-137 technique was employed to estimate the sediment deposition rate of karst depression to assess the surface erosion. The results indicate that the average deposition rate, deposition amount and specific deposit yield for the Yongkang catchments since 1963 were estimated to be 4.32 mm y(-1), 3.16 t y(-1) land 20.53. t km(-2) y(-1), respectively. The results obtained were consistent with the actual monitoring data of local runoff plots, and confirm the validity of the overall approach. So it was suggested that the mean specific sediment yields of 20 t km(-2) y(-1) can be representative of the soil loss rates in the regions. Copyright (c) 2010 John Wiley & Sons, Ltd.
KeywordSediment Production Records Karst Depression Caesium-137 Erosion Pr China
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1002/ldr.983
WOS Subject ExtendedEnvironmental Sciences & Ecology ; Agriculture
Indexed BySCI
WOS KeywordLOESS PLATEAU ; SOIL-EROSION ; OVERBANK SEDIMENTATION ; INVESTIGATE ; CESIUM-137 ; YORKSHIRE ; PROVINCE ; LAND ; OUSE ; UK
Language英语
Quartile3区
TOP
WOS SubjectEnvironmental Sciences ; Soil Science
WOS IDWOS:000283761000007
Funding OrganizationState Key Basic Research Plan(2006CB403200) ; National Key Technology RD Programme(2006BAC01A09 ; National Natural Science Foundation of China(40721002) ; 2008BAD98B07)
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/5589
Collection山地灾害与地表过程重点实验室
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Environm Evolvement & Regulat, Chengdu 610041, Sichuan, Peoples R China
2.Guizhou Normal Univ, Inst S China Karst, Guizhou 550001, Peoples R China
3.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guizhou 550002, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100029, 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
Bai, X. -Y.,Zhang, X. -B.,Chen, H.,et al. USING Cs-137 FINGERPRINTING TECHNIQUE TO ESTIMATE SEDIMENT DEPOSITION AND EROSION RATES FROM YONGKANG DEPRESSION IN THE KARST REGION OF SOUTHWEST CHINA[J]. LAND DEGRADATION & DEVELOPMENT,2010,21(5):474-479.
APA Bai, X. -Y.,Zhang, X. -B.,Chen, H.,&He, Y. -B..(2010).USING Cs-137 FINGERPRINTING TECHNIQUE TO ESTIMATE SEDIMENT DEPOSITION AND EROSION RATES FROM YONGKANG DEPRESSION IN THE KARST REGION OF SOUTHWEST CHINA.LAND DEGRADATION & DEVELOPMENT,21(5),474-479.
MLA Bai, X. -Y.,et al."USING Cs-137 FINGERPRINTING TECHNIQUE TO ESTIMATE SEDIMENT DEPOSITION AND EROSION RATES FROM YONGKANG DEPRESSION IN THE KARST REGION OF SOUTHWEST CHINA".LAND DEGRADATION & DEVELOPMENT 21.5(2010):474-479.
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