{"refrec":{"BRefID":330688,"RR":"<b>Li, T.; Robinson, L.F.; Chen, T.; Wang, X.T.; Burke, A.; Rae, J.W.B.; Pegrum-Haram, A.; Knowles, T.D.J.; Li, G.; Chen, J.; Ng, H.C.; Prokopenko, M.; Rowland, G.H.; Samperiz, A.; Stewart, J.A.; Southon, J.; Spooner, P.T.</b> (2020). Rapid shifts in circulation and biogeochemistry of the Southern Ocean during deglacial carbon cycle events. <i>Science Advances 6(42)</i>: eabb3807. <a href=\"https://dx.doi.org/10.1126/sciadv.abb3807\" target=\"_blank\">https://dx.doi.org/10.1126/sciadv.abb3807</a>","BEntID":324298,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Science Advances 6(42)</i>: eabb3807. <a href=\"https://dx.doi.org/10.1126/sciadv.abb3807\" target=\"_blank\">https://dx.doi.org/10.1126/sciadv.abb3807</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Li, T.; Robinson, L.F.; Chen, T.; Wang, X.T.; Burke, A.; Rae, J.W.B.; Pegrum-Haram, A.; Knowles, T.D.J.; Li, G.; Chen, J.; Ng, H.C.; Prokopenko, M.; Rowland, G.H.; Samperiz, A.; Stewart, J.A.; Southon, J.; Spooner, P.T.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Li, T. <i>et al.</i>","Englishabstract":"The Southern Ocean plays a crucial role in regulating atmospheric CO<sub>2</sub> on centennial to millennial time scales. However, observations of sufficient resolution to explore this have been lacking. Here, we report high-resolution, multiproxy records based on precisely dated deep-sea corals from the Southern Ocean. Paired deep (∆<sup>14</sup>C and δ<sup>11</sup>B) and surface (δ<sup>15</sup>N) proxy data point to enhanced upwelling coupled with reduced efficiency of the biological pump at 14.6 and 11.7 thousand years (ka) ago, which would have facilitated rapid carbon release to the atmosphere. Transient periods of unusually well-ventilated waters in the deep Southern Ocean occurred at 16.3 and 12.8 ka ago. Contemporaneous atmospheric carbon records indicate that these Southern Ocean ventilation events are also important in releasing respired carbon from the deep ocean to the atmosphere. Our results thus highlight two distinct modes of Southern Ocean circulation and biogeochemistry associated with centennial-scale atmospheric CO<sub>2</sub> jumps during the last deglaciation.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Rapid shifts in circulation and biogeochemistry of the Southern Ocean during deglacial carbon cycle events","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2020-11-05","DateCreate":"2020-11-05","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000579164600014","VABBcode":null,"OpenAcc":1,"DOI":"10.1126/sciadv.abb3807"},"refs":null,"anarec":{"AnaID":330688,"PubliDate":2020,"Pagination":"eabb3807","XtraPublOfAnaID":null,"ISBN":null,"Volume":"6","Issue":"42","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":248966,"SerRR":"Science Advances. 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