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Variability in the Concentration of Lithium in the Indo‐Pacific Ocean

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cam.issuedOnline2022-06-22
dc.contributor.authorSteiner, Zvi
dc.contributor.authorLanding, William M
dc.contributor.authorBohlin, Madeleine S
dc.contributor.authorGreaves, Mervyn
dc.contributor.authorPrakash, Satya
dc.contributor.authorVinayachandran, PN
dc.contributor.authorAchterberg, Eric P
dc.contributor.orcidSteiner, Zvi [0000-0002-9584-4956]
dc.contributor.orcidLanding, William M [0000-0002-7514-3247]
dc.contributor.orcidBohlin, Madeleine S [0000-0002-2101-9005]
dc.contributor.orcidGreaves, Mervyn [0000-0001-8014-8627]
dc.contributor.orcidVinayachandran, PN [0000-0002-4915-5455]
dc.contributor.orcidAchterberg, Eric P [0000-0002-3061-2767]
dc.date.accessioned2022-06-29T19:43:57Z
dc.date.available2022-06-29T19:43:57Z
dc.date.issued2022-06
dc.date.submitted2021-09-11
dc.date.updated2022-06-29T19:43:56Z
dc.descriptionFunder: MoES, Indian National Centre for Ocean Information Services; Id: http://dx.doi.org/10.13039/501100004814
dc.description.abstract<jats:title>Abstract</jats:title><jats:p>Lithium has limited biological activity and can readily replace aluminium, magnesium and iron ions in aluminosilicates, making it a proxy for the inorganic silicate cycle and its potential link to the carbon cycle. Data from the North Pacific Ocean, tropical Indian Ocean, Southern Ocean and Red Sea suggest that salinity normalized dissolved lithium concentrations vary by up to 2%–3% in the Indo‐Pacific Ocean. The highest lithium concentrations were measured in surface waters of remote North Pacific and Indian Ocean stations that receive relatively high fluxes of dust. The lowest dissolved lithium concentrations were measured just below the surface mixed layer of the stations with highest surface water concentrations, consistent with removal into freshly forming aluminium rich phases and manganese oxides. In the North Pacific, water from depths &gt;2,000 m is slightly depleted in lithium compared to the initial composition of Antarctic Bottom Water, likely due to uptake of lithium by authigenically forming aluminosilicates. The results of this study suggest that the residence time of lithium in the ocean may be significantly shorter than calculated from riverine and hydrothermal fluxes.</jats:p>
dc.identifier.doi10.17863/CAM.85879
dc.identifier.eissn1944-9224
dc.identifier.issn0886-6236
dc.identifier.othergbc21303
dc.identifier.other2021gb007184
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/338466
dc.languageen
dc.language.isoeng
dc.publisherAmerican Geophysical Union (AGU)
dc.publisher.urlhttp://dx.doi.org/10.1029/2021gb007184
dc.subject37 Earth Sciences
dc.subject3708 Oceanography
dc.titleVariability in the Concentration of Lithium in the Indo‐Pacific Ocean
dc.typeArticle
dcterms.dateAccepted2022-06-03
prism.issueIdentifier6
prism.publicationNameGlobal Biogeochemical Cycles
prism.volume36
pubs.funder-project-idDeutsche Forschungsgemeinschaft (458035111)
pubs.funder-project-idNational Science Foundation USA (0223378)
rioxxterms.licenseref.urihttp://creativecommons.org/licenses/by/4.0/
rioxxterms.versionVoR
rioxxterms.versionofrecord10.1029/2021gb007184

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