{"refrec":{"BRefID":239895,"RR":"<b>Rodrigo-Gámiz, M.; Martínez-Ruiz, F.; Rampen, S.W.; Schouten, S.; Sinninghe Damsté, J.S.</b> (2014). Sea surface temperature variations in the western Mediterranean Sea over the last 20 kyr: A dual-organic proxy (U<super>K'</super><sub>37</sub> and LDI) approach. <i>Paleoceanography 29(2)</i>: 87-98. <a href=\"http://dx.doi.org/10.1002/2013PA002466\" target=\"_blank\">dx.doi.org/10.1002/2013PA002466</a>","BEntID":231578,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Paleoceanography 29(2)</i>: 87-98. <a href=\"https://dx.doi.org/10.1002/2013PA002466\" target=\"_blank\">https://dx.doi.org/10.1002/2013PA002466</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Rodrigo-Gámiz, M.; Martínez-Ruiz, F.; Rampen, S.W.; Schouten, S.; Sinninghe Damsté, J.S.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Rodrigo-Gámiz, M. <i>et al.</i>","Englishabstract":"A high-resolution sea surface temperature (SST) reconstruction of the western Mediterranean was accomplished using two independent, algae-based molecular organic proxies, i.e., the U-37(K) index based on long-chain unsaturated ketones and the novel long-chain diol index (LDI) based on the relative abundances of C-28 and C-30 1,13- and 1,15-diols. Two marine records, from the western and eastern Alboran Sea basin, spanning the last 14 and 20kyr, respectively, were studied. Results from the surface sediments suggest that the two proxies presently reflect seasons with similar SST or simply annual mean SST. Both proxy records reveal the transition from the Last Glacial Maximum to the Holocene in the eastern Alboran Sea with an SST increase of approximately 7 degrees C for U-37(K) and 9 degrees C for LDI. Minimum SSTs (10-12 degrees C) are reached at the end of the Last Glacial Maximum and during the last Heinrich event with a subsequent rapid SST increase in LDI-SST toward the beginning of the Bolling period (20 degrees C), while U-37(K)-SST remains constantly low (similar to 12 degrees C). The Bolling-Allerod period is characterized by a rapid increase and subsequent decrease in U-37(K)-SST, while the LDI-SST decrease continuously. Short-term fluctuations in U-37(K)-SST are probably related to the availability of nutrients and seasonal changes. The Younger Dryas is recorded as a short cold interval followed by progressively warmer temperatures. During the Holocene, the general lower U-37(K)-derived temperature values in the eastern Alboran (by approximately 1.5-2 degrees C) suggest a southeastward cold water migration by the western Alboran gyre and divergence in the haptophyte blooming season between both basins.<br>Key Points<br><list list-type=\"bulleted\" id=\"palo20073-list-0001\"> <list-item id=\"palo20073-li-0001\">High-resolution SST reconstruction is performed in the westernmost Mediterranean <list-item id=\"palo20073-li-0002\">Two algae-based proxies show the temperature evolution for the last 20 kyr <list-item id=\"palo20073-li-0003\">Derived SSTs suggest different growth seasons of alkenone and diol producers","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Sea surface temperature variations in the western Mediterranean Sea over the last 20 kyr: A dual-organic proxy (U<super>K'</super><sub>37</sub> and LDI) approach","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":"western Mediterranean; SST; organic temperature proxies; alkenones;long-chain diols","OtherDescriptors":null,"Notes":null,"AnaPub":2014,"MonPub":null,"DateUpdate":"2014-08-13","DateCreate":"2014-07-14","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000333164100002","VABBcode":null,"OpenAcc":1,"DOI":"10.1002/2013PA002466"},"refs":null,"anarec":{"AnaID":239895,"PubliDate":2014,"Pagination":"87-98","XtraPublOfAnaID":null,"ISBN":null,"Volume":"29","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45633,"SerRR":"Paleoceanography. American Geophysical Union: Washington, DC.  ISSN 0883-8305; e-ISSN 1944-9186","StandardTitleSer":"Paleoceanography","ISSN":"0883-8305","AbbrevSer":"Paleoceanography","StandardTitleMon":null,"StartPage":87,"Pages":12,"ToPubliDate":null,"BRefBibLvlCode":"S","SerNotes":null},"monrec":null,"serrec":null,"relations":null,"relationsRev":null,"addrec":null,"othpubs":null,"ownerships":null,"authors":[{"AutName":"Rodrigo-Gámiz","Firstname":null,"Initials":"M.","Affiliation":"Instituto Andaluz de Ciencias de la Tierra (IACT), CSIC-Universidad de Granada","Discriminator":null,"CorporateFlag":0,"BEntID":231578,"AutID":184936,"OrderNr":1,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":null,"ORCID":"0000-0003-4111-0620","PersID":29918,"InsID":null},{"AutName":"Martínez-Ruiz","Firstname":null,"Initials":"F.","Affiliation":"Instituto Andaluz de Ciencias de la Tierra (IACT), CSIC-Universidad de Granada","Discriminator":null,"CorporateFlag":0,"BEntID":231578,"AutID":184938,"OrderNr":2,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":null,"ORCID":null,"PersID":null,"InsID":null},{"AutName":"Rampen","Firstname":null,"Initials":"S.W.","Affiliation":"Department of Marine Organic Biogeochemistry, NIOZ Royal Netherlands Institute for Sea Research","Discriminator":null,"CorporateFlag":0,"BEntID":231578,"AutID":184939,"OrderNr":3,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":"BGC","InsFSN":"Koninklijk Nederlands Instituut voor Onderzoek der Zee; 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