{"refrec":{"BRefID":286382,"RR":"<b>Miller, C.S.; Peterse, F; Da Silva, A.-C.; Baranyi, V.; Reichart, G.J.; Kürschner, W.M.</b> (2017). Astronomical age constraints and extinction mechanisms of the Late Triassic Carnian crisis. <i>NPG Scientific Reports 7</i>: 2557. <a href=\"https://dx.doi.org/10.1038/s41598-017-02817-7\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-017-02817-7</a>","BEntID":278406,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>NPG Scientific Reports 7</i>: 2557. <a href=\"https://dx.doi.org/10.1038/s41598-017-02817-7\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-017-02817-7</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Miller, C.S.; Peterse, F; Da Silva, A.-C.; Baranyi, V.; Reichart, G.J.; Kürschner, W.M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Miller, C.S. <i>et al.</i>","Englishabstract":"The geological record contains evidence for numerous pronounced perturbations in the global carboncycle, some of which are associated with mass extinction. In the Carnian (Late Triassic), evidence from sedimentology and fossil pollen points to a significant change in climate, resulting in biotic turnover,during a time termed the ‘Carnian Pluvial Episode’ (CPE). Evidence from the marine realm suggests a causal relationship between the CPE, a global ‘wet’ period, and the injection of light carbon into the atmosphere. Here we provide the first evidence from a terrestrial stratigraphic succession of at least five significant negative C-isotope excursions (CIE)’s through the CPE recorded in both bulk organic carbon and compound specific plant leaf waxes. Furthermore, construction of a floating astronomical timescale for 1.09 Ma of the Late Triassic, based on the recognition of 405 ka eccentricity cycles in elemental abundance and gamma ray (GR) data, allows for the estimation of a duration for the isotope excursion(s). Source mixing calculations reveal that the observed substantial shift(s) in δ<sup>13</sup>C was most likely caused by a combination of volcanic emissions, subsequent warming and the dissociation of methane clathrates.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Astronomical age constraints and extinction mechanisms of the Late Triassic Carnian crisis","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2017,"MonPub":null,"DateUpdate":"2018-03-27","DateCreate":"2017-06-22","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000402519400021","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41598-017-02817-7"},"refs":null,"anarec":{"AnaID":286382,"PubliDate":2017,"Pagination":"2557","XtraPublOfAnaID":null,"ISBN":null,"Volume":"7","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":208093,"SerRR":"Scientific Reports (Nature Publishing Group). 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