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Yttrium and rare earth element partitioning in seawaters from the Bay of Bengal
Yu, Zhaojie1; Colin, Christophe1; Douville, Eric2; Meynadier, Laure3; Duchamp-Alphonse, Stephanie1; Sepulcre, Sophie1; Wan, Shiming4,5; Song, Lina6; Wu, Qiong7; Xu, Zhaokai4; Bassinot, Frank2
2017-04-01
发表期刊GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
卷号18期号:4页码:1388-1403
文章类型Article
摘要The dissolved yttrium (Y) and rare earth element (REE) concentrations of seawater samples collected along a north-south hydrological transect within the Bay of Bengal (BoB) have been analyzed to estimate contributions of the Ganges and Brahmaputra (G-B) river inputs to the dissolved REE distribution of the Northern Indian Ocean. Surface water masses of the BoB are characterized by Y/Ho ratios (84) intermediate between the G-B river suspended sediment (41) and water mass from the South Indian Ocean (93). Covariation of MREE (middle REE, Sm) and LREE (light REE, La) concentrations suggests that the dissolved REEs in surface waters (upper 100 m depth) of the BoB (Sm/La=0.21) appear to derive mainly from the freshwater discharge of the G-B river system. In contrast, values obtained in the intermediate and deep waters (Sm/La=0.14) suggest a mixing of dissolved REEs deriving from the release of G-B river suspended particles (Sm/La=0.16) and the contribution of Antarctic Bottom Water (AABW) (Sm/La=0.12). Consequently, we propose that MREE/MREE* ratios in the BoB waters could be an accurate proxy to trace lithogenic inputs from the G-B river system. The dissolved and particle remineralization Nd fluxes from G-B river system are calculated to constitute about 9% and 4% of the global dissolved river discharge and "boundary inputs" flux. Our estimation indicates that the massive G-B river system inputs could greatly alter the dissolved REEs distribution in the BoB and contribute to the dissolved REEs budget in the ocean.
DOI10.1002/2016GC006749
收录类别SCI
语种英语
WOS记录号WOS:000403478500005
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/137120
专题海洋地质与环境重点实验室
海洋环流与波动重点实验室
作者单位1.Univ Paris Saclay, Univ Paris Sud, CNRS, UMR 8148,Lab GEOsci Paris Sud, Orsay, France
2.Univ Paris Saclay, UVSQ, CNRS, CEA,Lab Sci Climat & Environm,LSCE IPSL, Gif Sur Yvette, France
3.Univ Paris Diderot, Inst Phys Globe Paris, UMR 7154, Equipe Geochim & Cosmochim,Sorbonne Paris Cite, Paris, France
4.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao, Peoples R China
5.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao, Peoples R China
6.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
7.Tongji Univ, State Key Lab Marine Geol, Shanghai, Peoples R China
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Yu, Zhaojie,Colin, Christophe,Douville, Eric,et al. Yttrium and rare earth element partitioning in seawaters from the Bay of Bengal[J]. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,2017,18(4):1388-1403.
APA Yu, Zhaojie.,Colin, Christophe.,Douville, Eric.,Meynadier, Laure.,Duchamp-Alphonse, Stephanie.,...&Bassinot, Frank.(2017).Yttrium and rare earth element partitioning in seawaters from the Bay of Bengal.GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,18(4),1388-1403.
MLA Yu, Zhaojie,et al."Yttrium and rare earth element partitioning in seawaters from the Bay of Bengal".GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 18.4(2017):1388-1403.
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