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Sedimentation rates, nitrogen and phosphorus retentions in the largest urban Lake Donghu, China
Yang, H; Yi, C; Xie, P; Xing, Y; Ni, L; Yang, H, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
2005-12-01
Source PublicationJOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
ISSN0236-5731
Volume267Issue:1Pages:205-208
AbstractSediment core samples were collected in the largest urban Lake Donghu (Stations I and II) in China, and the activities of Pb-210, Ra-226 and Cs-137 were measured by gamma-ray spectrometry. The sedimentation rates, calculated by 210Pb constant rate of supply (CRS) model, ranged from 0.11 to 0.65 (average 0.39) cm(.)y(-1) at Station I, and from 0.21 to 0.78 (average 0.46) cm(.)y(-1) at Station II. Sedimentation rate calculated by Cs-137 as a time marker was 0.55 cm(.)y(-1) at Station II. Based on the average sedimentation rate, we obtained 769 and 147 t(.)y(-1) for nitrogen and phosphorus retentions in Lake Donghu sediments, respectively.; Sediment core samples were collected in the largest urban Lake Donghu (Stations I and II) in China, and the activities of Pb-210, Ra-226 and Cs-137 were measured by gamma-ray spectrometry. The sedimentation rates, calculated by 210Pb constant rate of supply (CRS) model, ranged from 0.11 to 0.65 (average 0.39) cm(.)y(-1) at Station I, and from 0.21 to 0.78 (average 0.46) cm(.)y(-1) at Station II. Sedimentation rate calculated by Cs-137 as a time marker was 0.55 cm(.)y(-1) at Station II. Based on the average sedimentation rate, we obtained 769 and 147 t(.)y(-1) for nitrogen and phosphorus retentions in Lake Donghu sediments, respectively.
SubtypeArticle
KeywordPb-210 Cs-137 Shallow Geochronology Accumulation Dynamics Coast Sea
DepartmentChinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China; Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100085, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Subject AreaChemistry, Analytical ; Chemistry, Inorganic & Nuclear ; Nuclear Science & Technology
DOI10.1007/s10967-006-0028-6
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Nuclear Science & Technology
WOS SubjectChemistry, Analytical ; Chemistry, Inorganic & Nuclear ; Nuclear Science & Technology
WOS IDWOS:000235014900028
WOS KeywordPB-210 ; CS-137 ; SHALLOW ; GEOCHRONOLOGY ; ACCUMULATION ; DYNAMICS ; COAST ; SEA
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9042
Collection期刊论文
Corresponding AuthorYang, H, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100085, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Yang, H,Yi, C,Xie, P,et al. Sedimentation rates, nitrogen and phosphorus retentions in the largest urban Lake Donghu, China[J]. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY,2005,267(1):205-208.
APA Yang, H,Yi, C,Xie, P,Xing, Y,Ni, L,&Yang, H, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China.(2005).Sedimentation rates, nitrogen and phosphorus retentions in the largest urban Lake Donghu, China.JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY,267(1),205-208.
MLA Yang, H,et al."Sedimentation rates, nitrogen and phosphorus retentions in the largest urban Lake Donghu, China".JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 267.1(2005):205-208.
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