{"refrec":{"BRefID":284786,"RR":"<b>Keul, N.; Langer, G.; Thoms, S.; de Nooijer, L.J.; Reichart, G.-J.; Bijma, J.</b> (2017). Exploring foraminiferal Sr/Ca as a new carbonate system proxy. <i>Geochim. Cosmochim. Acta 314</i>: 374-386. <a href=\"https://dx.doi.org/10.1016/j.gca.2016.11.022\" target=\"_blank\">https://dx.doi.org/10.1016/j.gca.2016.11.022</a>","BEntID":276810,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Geochim. Cosmochim. Acta 314</i>: 374-386. <a href=\"https://dx.doi.org/10.1016/j.gca.2016.11.022\" target=\"_blank\">https://dx.doi.org/10.1016/j.gca.2016.11.022</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Keul, N.; Langer, G.; Thoms, S.; de Nooijer, L.J.; Reichart, G.-J.; Bijma, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Keul, N. <i>et al.</i>","Englishabstract":"In present day paleoclimate research one of the most pressing challenges is the reconstruction of atmospheric CO2 concentrations. A variety of proxies for several components of the marine inorganic carbon system have been developed in this context (e.g. B isotopes, B/Ca, U/Ca) to allow reconstruction of past seawater pH, HCO3− and CO32− and thereby facilitate estimates of past atmospheric pCO2. Based on culture experiments using the benthic foraminifera Ammonia sp. we describe a positive correlation between Sr/Ca and the carbonate system, namely DIC/bicarbonate ion concentration. Foraminiferal Sr/Ca ratios provide potentially additional constraints on the carbonate system proxy, because the analysis of foraminiferal carbonate Sr/Ca is straightforward and not easily contaminated. Applying our calibration to a published dataset of paleo-Sr/Ca suggests the validity of Sr/Ca as a carbonate system proxy. Furthermore, we explore how our data can be used to advance conceptual understanding of the foraminiferal biomineralization mechanism.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Exploring foraminiferal Sr/Ca as a new carbonate system proxy","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":"C-system; Proxies; Ammonia; Strontium; DIC; Foraminifera; Sr/Ca; Calibration  ","OtherDescriptors":null,"Notes":null,"AnaPub":2017,"MonPub":null,"DateUpdate":"2017-05-03","DateCreate":"2017-05-01","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000396794300019","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.gca.2016.11.022"},"refs":null,"anarec":{"AnaID":284786,"PubliDate":2017,"Pagination":"374-386","XtraPublOfAnaID":null,"ISBN":null,"Volume":"314","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42901,"SerRR":"Geochimica et Cosmochimica Acta. 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