{"refrec":{"BRefID":354272,"RR":"<b>Lin, G.; Lin, M.; Qiao, J.; Sejr, M.K.; Steier, P.; Meire, L.; Stedmon, C.A.</b> (2022). Estimation of Atlantic Water transit times in East Greenland fjords using a <sup>233</sup>U-<sup>236</sup>U tracer approach. <i>Chem. Geol. 607</i>: 121007. <a href=\"https://dx.doi.org/10.1016/j.chemgeo.2022.121007\" target=\"_blank\">https://dx.doi.org/10.1016/j.chemgeo.2022.121007</a>","BEntID":351985,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Chem. Geol. 607</i>: 121007. <a href=\"https://dx.doi.org/10.1016/j.chemgeo.2022.121007\" target=\"_blank\">https://dx.doi.org/10.1016/j.chemgeo.2022.121007</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Lin, G.; Lin, M.; Qiao, J.; Sejr, M.K.; Steier, P.; Meire, L.; Stedmon, C.A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Lin, G. <i>et al.</i>","Englishabstract":"<p>    Water mass composition and transit times of outflowing waters from the    Arctic Ocean can reflect changes of polar climate and ocean circulation    upstream. In this study we apply a novel approach using anthropogenic    uranium tracers (<sup>233</sup>U and <sup>236</sup>U), combined with    <a        href=\"https://www.sciencedirect.com/topics/earth-and-planetary-sciences/salinity\"        title=\"Learn more about salinity from ScienceDirect's AI-generated Topic Pages\"    >        salinity    </a>    , and nutrients (nitrate and phosphate) to estimate transit times of waters    from the Atlantic passing through the Arctic and into East Greenland    <a        href=\"https://www.sciencedirect.com/topics/earth-and-planetary-sciences/fjord\"        title=\"Learn more about fjords from ScienceDirect's AI-generated Topic Pages\"    >        fjords    </a>    . In Polar Surface Water (PSW, typically found in surface ~150 m of the    fjords) the dominant source of <sup>236</sup>U is European reprocessing    plants (63%) while in Arctic Atlantic Water (AAW, typically directly below    PSW in these fjords) it is much less (26%) and the <sup>236</sup>U signalis dominated by the global fallout contribution. Here we isolate the<sup>236</sup>U signal from reprocessing plants using <sup>236</sup>U/    <sup>233</sup>U ratios and use the temporal development in <sup>236</sup>U    discharges to estimate transit times for Atlantic Water entering the Arctic    Ocean and exiting as either PSW or AAW on the Greenland Shelf. PSW, which    flows into the fjords from the shelf, has a transit time of between 6 and    14 years from the Arctic entrance (Barents Sea Opening, 74°N, 19°E). The    transit time of AAW, which is entrained into upwelling subglacial discharge    in the inner parts of the fjords, is in the order of 24–25 years since    entrance in the Barents Sea. The findings indicate the potential of this    novel <sup>233</sup>U-<sup>236</sup>U approach to trace Atlantic    <a        href=\"https://www.sciencedirect.com/topics/earth-and-planetary-sciences/water-circulation\"        title=\"Learn more about Water circulation from ScienceDirect's AI-generated Topic Pages\"    >        Water circulation    </a>    in the Arctic Ocean. The method offers independent transit time estimates    to compare with circulation models and indicates the potential    <a        href=\"https://www.sciencedirect.com/topics/earth-and-planetary-sciences/time-lag\"        title=\"Learn more about time lag from ScienceDirect's AI-generated Topic Pages\"    >        time lag    </a>    between documented recent change in properties of water leaving the Arctic    Ocean and the upstream processes contributing to these changes.</p>","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Estimation of Atlantic Water transit times in East Greenland fjords using a <sup>233</sup>U-<sup>236</sup>U tracer approach","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-19 01:32:16.939721","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"<sup>233</sup>U; <sup>236</sup>U; Nutrients; East Greenland fjords; Atlantic Water transit time; Arctic Ocean","OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2023-02-21","DateCreate":"2022-07-28","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000824677400002","VABBcode":null,"OpenAcc":1,"DOI":"10.1016/j.chemgeo.2022.121007"},"refs":null,"anarec":{"AnaID":354272,"PubliDate":2022,"Pagination":"121007","XtraPublOfAnaID":null,"ISBN":null,"Volume":"607","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42560,"SerRR":"Chemical Geology. 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