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dc.contributor.authorOlsen, Are
dc.contributor.authorLange, Nico
dc.contributor.authorKey, Robert M.
dc.contributor.authorTanhua, Toste
dc.contributor.authorBittig, Henry C.
dc.contributor.authorKozyr, Alexander
dc.contributor.authorAlvarez, Marta
dc.contributor.authorAzetsu-Scott, Kumiko
dc.contributor.authorBecker, Susan
dc.contributor.authorBrown, Peter
dc.contributor.authorCarter, Brendan R
dc.contributor.authorDa Cunha, Leticia Cotrim
dc.contributor.authorFeely, Rickhard
dc.contributor.authorvan Heuven, Steven
dc.contributor.authorHoppema, Mario
dc.contributor.authorIshii, Masao
dc.contributor.authorJeansson, Emil
dc.contributor.authorJutterström, Sara
dc.contributor.authorLanda, Camilla Stegen
dc.contributor.authorLauvset, Siv Kari
dc.contributor.authorMichaelis, Patrick
dc.contributor.authorMurata, Akihiko
dc.contributor.authorPerez, F. Fiz
dc.contributor.authorPfeil, Gerrit Benjamin
dc.contributor.authorSchirnick, Carsten
dc.contributor.authorSteinfeldt, Reiner
dc.contributor.authorSuzuki, Toru
dc.contributor.authorTilbrook, Bronte
dc.contributor.authorVelo, Antón
dc.contributor.authorWanninkhof, Rik
dc.contributor.authorWoosley, Ryan J.
dc.date.accessioned2021-02-26T11:05:30Z
dc.date.available2021-02-26T11:05:30Z
dc.date.created2021-01-06T08:44:33Z
dc.date.issued2020
dc.identifier.issn1866-3508
dc.identifier.urihttps://hdl.handle.net/11250/2730621
dc.description.abstractThe Global Ocean Data Analysis Project (GLODAP) is a synthesis effort providing regular compilations of surface-to-bottom ocean biogeochemical data, with an emphasis on seawater inorganic carbon chemistry and related variables determined through chemical analysis of seawater samples. GLODAPv2.2020 is an update of the previous version, GLODAPv2.2019. The major changes are data from 106 new cruises added, extension of time coverage to 2019, and the inclusion of available (also for historical cruises) discrete fugacity of CO2 (fCO2) values in the merged product files. GLODAPv2.2020 now includes measurements from more than 1.2 million water samples from the global oceans collected on 946 cruises. The data for the 12 GLODAP core variables (salinity, oxygen, nitrate, silicate, phosphate, dissolved inorganic carbon, total alkalinity, pH, CFC-11, CFC-12, CFC-113, and CCl4) have undergone extensive quality control with a focus on systematic evaluation of bias. The data are available in two formats: (i) as submitted by the data originator but updated to WOCE exchange format and (ii) as a merged data product with adjustments applied to minimize bias. These adjustments were derived by comparing the data from the 106 new cruises with the data from the 840 quality-controlled cruises of the GLODAPv2.2019 data product using crossover analysis. Comparisons to empirical algorithm estimates provided additional context for adjustment decisions; this is new to this version. The adjustments are intended to remove potential biases from errors related to measurement, calibration, and data-handling practices without removing known or likely time trends or variations in the variables evaluated. The compiled and adjusted data product is believed to be consistent to better than 0.005 in salinity, 1 % in oxygen, 2 % in nitrate, 2 % in silicate, 2 % in phosphate, 4 µmol kg−1 in dissolved inorganic carbon, 4 µmol kg−1 in total alkalinity, 0.01–0.02 in pH (depending on region), and 5 % in the halogenated transient tracers. The other variables included in the compilation, such as isotopic tracers and discrete fCO2, were not subjected to bias comparison or adjustments.en_US
dc.language.isoengen_US
dc.publisherCopernicus Publicationsen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleAn updated version of the global interior ocean biogeochemical data product, GLODAPv2.2020en_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright © 2020 Author(s).en_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1
dc.identifier.doi10.5194/essd-12-3653-2020
dc.identifier.cristin1866038
dc.source.journalEarth System Science Dataen_US
dc.source.pagenumber3653–3678en_US
dc.identifier.citationEarth System Science Data. 2020, 12 (4), 3653–3678.en_US
dc.source.volume12en_US
dc.source.issue4en_US


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