{"refrec":{"BRefID":246853,"RR":"<b>Laruelle, G.G.; Lauerwald, R.; Pfeil, B; Regnier, P.</b> (2014). Regionalized global budget of the CO<sub>2</sub> exchange at the air-water interface in continental shelf seas. <i>Global Biogeochem. Cycles 28(11)</i>: 1199-1214. <a href=\"https://dx.doi.org/10.1002/2014GB004832\" target=\"_blank\">https://dx.doi.org/10.1002/2014GB004832</a>","BEntID":238553,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Global Biogeochem. Cycles 28(11)</i>: 1199-1214. <a href=\"https://dx.doi.org/10.1002/2014GB004832\" target=\"_blank\">https://dx.doi.org/10.1002/2014GB004832</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Laruelle, G.G.; Lauerwald, R.; Pfeil, B; Regnier, P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Laruelle, G.G. <i>et al.</i>","Englishabstract":"Over the past decade, estimates of the atmospheric CO<sub>2</sub> uptake by continental shelf seas were constrained within the 0.18–0.45 Pg C yr<sup>-1</sup> range. However, most of those estimates are based on extrapolations from limited data sets of local flux measurements (<em>n</em>?<?100). Here we propose to derive the CO<sub>2</sub> air-sea exchange of the shelf seas by extracting 3?·?10<sup>6</sup> direct surface ocean CO<sub>2</sub> measurements from the global database SOCAT (Surface Ocean CO<sub>2</sub> Atlas), atmospheric CO<sub>2</sub> values from GlobalVIEW and calculating gas transfer rates using readily available global temperature, salinity, and wind speed fields. We then aggregate our results using a global segmentation of the shelf in 45 units and 152 subunits to establish a consistent regionalized CO<sub>2</sub> exchange budget at the global scale. Within each unit, the data density determines the spatial and temporal resolutions at which the air-sea CO<sub>2</sub> fluxes are calculated and range from a 0.5° resolution in the best surveyed regions to a whole unit resolution in areas where data coverage is limited. Our approach also accounts, for the first time, for the partial sea ice cover of polar shelves. Our new regionalized global CO<sub>2</sub> sink estimate of 0.19?±?0.05 Pg C yr<sup>-1</sup> falls in the low end of previous estimates. Reported to an ice-free surface area of 22?·?10<sup>6</sup>?km<sup>2</sup>, this value yields a flux density of 0.7?mol C m<sup>-2</sup>?yr<sup>-1</sup>, ~40% more intense than that of the open ocean. Our results also highlight the significant contribution of Arctic shelves to this global CO<sub>2</sub> uptake (0.07 Pg C yr<sup>-1</sup>).","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Regionalized global budget of the CO<sub>2</sub> exchange at the air-water interface in continental shelf seas","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-10 01:31:53.115688","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"CO2; coastal ocean; carbon cycle","OtherDescriptors":null,"Notes":null,"AnaPub":2014,"MonPub":null,"DateUpdate":"2022-04-13","DateCreate":"2015-05-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000346594100003","VABBcode":null,"OpenAcc":0,"DOI":"10.1002/2014GB004832"},"refs":null,"anarec":{"AnaID":246853,"PubliDate":2014,"Pagination":"1199-1214","XtraPublOfAnaID":null,"ISBN":null,"Volume":"28","Issue":"11","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45841,"SerRR":"Global Biogeochemical Cycles. American Geophysical Union: Washington, DC.  ISSN 0886-6236; e-ISSN 1944-9224","StandardTitleSer":"Global Biogeochemical Cycles","ISSN":"0886-6236","AbbrevSer":"Global Biogeochem. 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