{"refrec":{"BRefID":355613,"RR":"<b>Landschützer, P.; Gruber, N.; Bakker, D.C.E.; Schuster, U.</b> (2014). Recent variability of the global ocean carbon sink. <i>Global Biogeochem. Cycles 28(9)</i>: 927-949. <a href=\"https://dx.doi.org/10.1002/2014gb004853\" target=\"_blank\">https://dx.doi.org/10.1002/2014gb004853</a>","BEntID":353326,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Global Biogeochem. Cycles 28(9)</i>: 927-949. <a href=\"https://dx.doi.org/10.1002/2014gb004853\" target=\"_blank\">https://dx.doi.org/10.1002/2014gb004853</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Landschützer, P.; Gruber, N.; Bakker, D.C.E.; Schuster, U.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Landschützer, P. <i>et al.</i>","Englishabstract":"We present a new observation-based estimate of the global oceanic carbon dioxide (CO<sub>2</sub>) sink and its temporal variation on a monthly basis from 1998 through 2011 and at a spatial resolution of 1°×1°. This sink estimate rests upon a neural network-based mapping of global surface ocean observations of the partial pressure of CO<sub>2</sub> (<i>p</i>CO<sub>2</sub>) from the Surface Ocean CO<sub>2</sub> Atlas database. The resulting <i>p</i>CO<sub>2</sub> has small biases when evaluated against independent observations in the different ocean basins, but larger randomly distributed differences exist particularly in high latitudes. The seasonal climatology of our neural network-based product agrees overall well with the Takahashi et al. (2009) climatology, although our product produces a stronger seasonal cycle at high latitudes. From our global <i>p</i>CO<sub>2</sub> product, we compute a mean net global ocean (excluding the Arctic Ocean and coastal regions) CO<sub>2</sub> uptake flux of −1.42 ± 0.53 Pg C yr<sup>−1</sup>, which is in good agreement with ocean inversion-based estimates. Our data indicate a moderate level of interannual variability in the ocean carbon sink (±0.12 Pg C yr<sup>−1</sup>, 1<i>σ</i>) from 1998 through 2011, mostly originating from the equatorial Pacific Ocean, and associated with the El Niño–Southern Oscillation. Accounting for steady state riverine and Arctic Ocean carbon fluxes our estimate further implies a mean anthropogenic CO<sub>2</sub> uptake of −1.99 ± 0.59 Pg C yr<sup>−1</sup> over the analysis period. From this estimate plus the most recent estimates for fossil fuel emissions and atmospheric CO<sub>2</sub> accumulation, we infer a mean global land sink of −2.82 ± 0.85 Pg C yr<sup>−1</sup> over the 1998 through 2011 period with strong interannual variation.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Recent variability of the global ocean carbon sink","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-01 01:32:20.208165","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2014,"MonPub":null,"DateUpdate":"2022-09-21","DateCreate":"2022-09-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000343752900002","VABBcode":null,"OpenAcc":0,"DOI":"10.1002/2014gb004853"},"refs":null,"anarec":{"AnaID":355613,"PubliDate":2014,"Pagination":"927-949","XtraPublOfAnaID":null,"ISBN":null,"Volume":"28","Issue":"9","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45841,"SerRR":"Global Biogeochemical Cycles. 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