{"refrec":{"BRefID":238210,"RR":"<b>Raddatz, J.; Liebetrau, V.; Rüggeberg, A.; Hathorne, E.; Krabbenhoft, A.; Eisenhauer, A.; Bohm, F.; Vollstaedt, H.; Fietzke, J.; Lopez Correa, M.; Freiwald, A.; Dullo, W.C.</b> (2013). Stable Sr-isotope, Sr/Ca, Mg/Ca, Li/Ca and Mg/Li ratios in the scleractinian cold-water coral <i>Lophelia pertusa</i>. <i>Chem. Geol. 352</i>: 143-152. <a href=\"http://dx.doi.org/10.1016/j.chemgeo.2013.06.013\" target=\"_blank\">dx.doi.org/10.1016/j.chemgeo.2013.06.013</a>","BEntID":229897,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Chem. Geol. 352</i>: 143-152. <a href=\"https://dx.doi.org/10.1016/j.chemgeo.2013.06.013\" target=\"_blank\">https://dx.doi.org/10.1016/j.chemgeo.2013.06.013</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Raddatz, J.; Liebetrau, V.; Rüggeberg, A.; Hathorne, E.; Krabbenhoft, A.; Eisenhauer, A.; Bohm, F.; Vollstaedt, H.; Fietzke, J.; Lopez Correa, M.; Freiwald, A.; Dullo, W.C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Raddatz, J. <i>et al.</i>","Englishabstract":"The aragonitic skeletons of scleractinian cold-water corals can serve as valuable archives in paleoceanographic studies. The potential of d<sup>88/86</sup>Sr, Sr/Ca, Mg/Ca, Li/Ca and Mg/Li ratios of the cold-water coral <i>Lophelia pertusa</i> to record intermediate water mass properties has been investigated. Here we used samples from several locations along the European continental margin spanning a large temperature range from 6 to 14 °C. Stable strontium isotope measurements were carried out with the recently developed double spike TIMS technique and our results differ from those obtained with less precise methods. In contrast to the strong positive relationship with temperature of previous studies, our results suggest that d<sup>88/86</sup>Sr measured in scleractinian cold-water corals is not controlled by seawater temperature, but reflects the Sr isotopic composition of seawater with an offset of ?<sup>88/86</sup>Sr = - 0.196‰. As found in previous studies, the elemental ratios Sr/Ca, Li/Ca and Mg/Li measured in corals are significantly related to water temperature and do not correlate with salinity. Moreover, Sr/Ca ratios in <i>L. pertusa</i> display the expected inverse correlation with temperature. However, the variance in the Sr/Ca data severely limits the accuracy of paleotemperature estimates. The Li/Ca and Mg/Ca ratios reveal other influences besides temperature such as pH and/or growth or calcification rate. However, corresponding Mg/Li ratios in <i>L. pertusa</i> are more tightly related to temperature as they remove these secondary effects. In particular, the Mg/Li ratio in <i>L. pertusa</i> may serve as a new promising paleotemperature proxy for intermediate water masses. Our dataset represents the most extensive geochemical examination of <i>L. pertusa</i> to date, revealing a temperature sensitivity of 0.015 mol/mmol/°C for Mg/Li. However, using this temperature dependence and the precision of 5.3% (2SD) only temperature variations larger than ~ 1.5 °C can be resolved with 95% confidence.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Stable Sr-isotope, Sr/Ca, Mg/Ca, Li/Ca and Mg/Li ratios in the scleractinian cold-water coral <i>Lophelia pertusa</i>","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":"Cold-water corals; Stable strontium isotopes; Paleotemperature proxy;Mg/Li; Sr/Ca; Lophelia pertusa","OtherDescriptors":null,"Notes":null,"AnaPub":2013,"MonPub":null,"DateUpdate":"2015-10-29","DateCreate":"2014-05-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000323466600013","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.chemgeo.2013.06.013"},"refs":null,"anarec":{"AnaID":238210,"PubliDate":2013,"Pagination":"143-152","XtraPublOfAnaID":null,"ISBN":null,"Volume":"352","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42560,"SerRR":"Chemical Geology. 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