{"refrec":{"BRefID":355552,"RR":"<b>Dong, Y.; Bakker, D.C.E.; Bell, T.G.; Huang, B.; Landschützer, P.; Liss, P.S.; Yang, M.</b> (2022). Update on the temperature corrections of global air-sea CO<sub>2</sub> flux estimates. <i>Global Biogeochem. Cycles 36(9)</i>: e2022GB007360. <a href=\"https://dx.doi.org/10.1029/2022gb007360\" target=\"_blank\">https://dx.doi.org/10.1029/2022gb007360</a>","BEntID":353265,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Global Biogeochem. Cycles 36(9)</i>: e2022GB007360. <a href=\"https://dx.doi.org/10.1029/2022gb007360\" target=\"_blank\">https://dx.doi.org/10.1029/2022gb007360</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Dong, Y.; Bakker, D.C.E.; Bell, T.G.; Huang, B.; Landschützer, P.; Liss, P.S.; Yang, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Dong, Y. <i>et al.</i>","Englishabstract":"The oceans are a major carbon sink. Sea surface temperature (SST) is a crucial variable in the calculation of the air-sea carbon dioxide (CO<sub>2</sub>) flux from surface observations. Any bias in the SST or any upper ocean vertical temperature gradient (e.g., the cool skin effect) potentially generates a bias in the CO<sub>2</sub> flux estimates. A recent study suggested a substantial increase (∼50% or ∼0.9&nbsp;Pg&nbsp;C&nbsp;yr<sup>−1</sup>) in the global ocean CO<sub>2</sub> uptake due to this temperature effect. Here, we use a gold standard buoy SST data set as the reference to assess the accuracy of insitu SST used for flux calculation. A physical model is then used to estimate the cool skin effect, which varies with latitude. The bias-corrected SST (assessed by buoy SST) coupled with the physics-based cool skin correction increases the average ocean CO<sub>2</sub> uptake by ∼35% (0.6&nbsp;Pg&nbsp;C&nbsp;yr<sup>−1</sup>) from 1982 to 2020, which is substantially smaller than the previous correction. After these temperature considerations, we estimate an average net ocean CO<sub>2</sub> uptake of 2.2&nbsp;±&nbsp;0.4 Pg&nbsp;C&nbsp;yr<sup>−1</sup> from 1994 to 2007 based on an ensemble of surface observation-based flux estimates, in line with the independent interior ocean carbon storage estimate corrected for the river induced natural outgassing flux (2.1&nbsp;±&nbsp;0.4&nbsp;Pg&nbsp;C&nbsp;yr<sup>−1</sup>).","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Update on the temperature corrections of global air-sea CO<sub>2</sub> flux estimates","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-02 01:32:13.913956","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2022-09-19","DateCreate":"2022-09-19","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000849850500001","VABBcode":null,"OpenAcc":1,"DOI":"10.1029/2022gb007360"},"refs":null,"anarec":{"AnaID":355552,"PubliDate":2022,"Pagination":"e2022GB007360","XtraPublOfAnaID":null,"ISBN":null,"Volume":"36","Issue":"9","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45841,"SerRR":"Global Biogeochemical Cycles. 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