Water Mass Analysis and End‐Member Mixing Contribution Using Coupled Radiogenic Nd Isotopes and Nd Concentrations: Interaction Between Marginal Seas and the Northwestern Pacific

  • Hong Che
    Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education Ocean University of China Qingdao China
  • Jing Zhang
    Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education Ocean University of China Qingdao China

書誌事項

公開日
2018-03-08
資源種別
journal article
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/2017gl076978
公開者
American Geophysical Union (AGU)

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説明

<jats:title>Abstract</jats:title><jats:p>We analyzed neodymium (Nd) concentrations and isotopic compositions (ε<jats:sub>Nd</jats:sub>) in seawater of the northwestern Pacific marginal seas and adjacent waters. The values of <jats:italic>ε</jats:italic><jats:sub>Nd</jats:sub> in the surface water increase from the Changjiang River Estuary to the outer shelf. This increase in <jats:italic>ε</jats:italic><jats:sub>Nd</jats:sub> from −12.8 to −7.7 is mainly influenced by the terrestrial source and water mixing. Changjiang Diluted Water contributes more than 20% of the volumetric flux in most regions' surface waters during our investigation. The contribution of Kuroshio Subsurface Water to the Changjiang River Estuary is more than 80% in the southern study area. Estimated water contributions from the East China Sea to the northwestern Pacific and the Sea of Japan are approximately 6% and 10%, respectively. These results imply that the East China Sea is a significant source of material to the northwestern Pacific.</jats:p>

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