中文版 | English
Title

Trace metal stoichiometry of dissolved organic matter in the Amazon plume

Author
Corresponding AuthorGledhill, Martha
Publication Years
2022-08-05
DOI
Source Title
ISSN
2375-2548
Volume8Issue:31
Abstract

Dissolved organic matter (DOM) is a distinct component of Earth's hydrosphere and provides a link between the biogeochemical cycles of carbon, nutrients, and trace metals (TMs). Binding of TMs to DOM is thought to result in a TM pool with DOM-like biogeochemistry. Here, we determined elemental stoichiometries of aluminum, iron, copper, nickel, zinc, cobalt, and manganese associated with a fraction of the DOM pool isolated by solid-phase extraction at ambient pH (DOMSPE-amb) from the Amazon plume. We found that the rank order of TM stoichiometry within the DOMSPE-amb fraction was underpinned by the chemical periodicity of the TM. Furthermore, the removal of the TMSPE-amb pool at low salinity was related to the chemical hardness of the TM ion. Thus, the biogeochemistry of TMs bound to the DOMSPE-amb component in the Amazon plume was determined by the chemical nature of the TM and not by that of the DOMSPE-amb.

URL[Source Record]
Indexed By
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
Others
Funding Project
German Research Foundation[
WOS Research Area
Science & Technology - Other Topics
WOS Subject
Multidisciplinary Sciences
WOS Accession No
WOS:000836990600005
Publisher
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:7
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/382294
DepartmentDepartment of Ocean Science and Engineering
Affiliation
1.GEOMAR Helmholtz Ctr Ocean Res Kiel, Kiel, Germany
2.Jacobs Univ Bremen gGmbH, Dept Phys & Earth Sci, Campus Ring 1, D-28759 Bremen, Germany
3.Carl von Ossietzky Univ Oldenburg, Inst Chem & Biol Marine Environm, Carl von Ossietzky Str 9-11, D-26129 Oldenburg, Germany
4.Univ Oldenburg HIFMB, Helmholtz Inst Funct Marine Biodivers, D-26129 Oldenburg, Germany
5.Southern Univ Sci & Technol, Dept Ocean Sci & Engn, Shenzhen, Peoples R China
Recommended Citation
GB/T 7714
Gledhill, Martha,Hollister, Adrienne,Seidel, Michael,et al. Trace metal stoichiometry of dissolved organic matter in the Amazon plume[J]. Science Advances,2022,8(31).
APA
Gledhill, Martha.,Hollister, Adrienne.,Seidel, Michael.,Zhu, Kechen.,Achterberg, Eric P..,...&Koschinsky, Andrea.(2022).Trace metal stoichiometry of dissolved organic matter in the Amazon plume.Science Advances,8(31).
MLA
Gledhill, Martha,et al."Trace metal stoichiometry of dissolved organic matter in the Amazon plume".Science Advances 8.31(2022).
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