{"refrec":{"BRefID":231094,"RR":"<b>Rampen, S.W.; Willmott, V.; Kim, J.H.; Uliana, E.; Mollenhauer, G.; Schefuss, E.; Sinninghe Damsté, J.S.; Schouten, S.</b> (2012). Long chain 1,13-and 1,15-diols as a potential proxy for palaeotemperature reconstruction. <i>Geochim. Cosmochim. Acta 84</i>: 204-216. <a href=\"http://dx.doi.org/10.1016/j.gca.2012.01.024\" target=\"_blank\">dx.doi.org/10.1016/j.gca.2012.01.024</a>","BEntID":222806,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Geochim. Cosmochim. Acta 84</i>: 204-216. <a href=\"https://dx.doi.org/10.1016/j.gca.2012.01.024\" target=\"_blank\">https://dx.doi.org/10.1016/j.gca.2012.01.024</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Rampen, S.W.; Willmott, V.; Kim, J.H.; Uliana, E.; Mollenhauer, G.; Schefuss, E.; Sinninghe Damsté, J.S.; Schouten, S.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Rampen, S.W. <i>et al.</i>","Englishabstract":"Although commonly reported in marine and freshwater environments, little is known about the biological sources of long chain alkyl 1,13- and 1,15-diols, and factors controlling their distributions. Here we analyzed the occurrence and distribution of these lipids in a comprehensive set of marine surface sediments and compare their distributions with environmental conditions like sea surface temperature (SST), salinity and nutrient concentrations. Fractional abundances of the C-28 1,13-, C-30 1,13- and C-30 1,15-diols show a strong correlation with SST and based on these results, we propose the Long chain Diol Index (LDI), which expresses the C-30 1,15-diol abundance relative to those of C-28 1,13-, C-30 1,13- and C-30 1,15-diols. The LDI shows a strong linear correlation with SST (LDI = 0.033 x SST + 0.095; R-2 = 0.969, n = 162) over a temperature range of -3 to 27 degrees C. Long chain diol distributions in sediments from the South Atlantic close to the Congo River outflow (West Africa) provided a 43 kyr LDI SST record. This record reflects several known climatic events and shows similarities with an alke-none-derived SST record obtained using the same suite of sediments, both in trend and in terms of absolute SST. This confirms the potential of the LDI as a proxy for palaeo-SST reconstruction.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Long chain 1,13-and 1,15-diols as a potential proxy for palaeotemperature reconstruction","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":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2012,"MonPub":null,"DateUpdate":"2014-06-06","DateCreate":"2013-12-01","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000302770000015","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.gca.2012.01.024"},"refs":null,"anarec":{"AnaID":231094,"PubliDate":2012,"Pagination":"204-216","XtraPublOfAnaID":null,"ISBN":null,"Volume":"84","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42901,"SerRR":"Geochimica et Cosmochimica Acta. Elsevier: Oxford,New York etc..  ISSN 0016-7037; e-ISSN 1872-9533","StandardTitleSer":"Geochimica et Cosmochimica Acta","ISSN":"0016-7037","AbbrevSer":"Geochim. Cosmochim. 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