{"refrec":{"BRefID":409687,"RR":"<b>Sakthivel, T.; Ghosh, P.; Nair, N.; Da, J.</b> (2024). Wildfire-enhanced Plio-Pleistocene CO2 drawdown through terrestrial organic carbon burial. <i>Quat. Sci. Rev. 338</i>: 108825. <a href=\"https://dx.doi.org/10.1016/j.quascirev.2024.108825\" target=\"_blank\">https://dx.doi.org/10.1016/j.quascirev.2024.108825</a>","BEntID":407492,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Quat. Sci. Rev. 338</i>: 108825. <a href=\"https://dx.doi.org/10.1016/j.quascirev.2024.108825\" target=\"_blank\">https://dx.doi.org/10.1016/j.quascirev.2024.108825</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Sakthivel, T.; Ghosh, P.; Nair, N.; Da, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Sakthivel, T. <i>et al.</i>","Englishabstract":"The Plio-Pleistocene transition (1.5–3 million years ago, Ma) is marked by a ⁓140&nbsp;ppm drop in atmospheric CO<sub>2</sub> levels, leading to a long-term global cooling. Excess production of <a href=\"https://www.sciencedirect.com/topics/earth-and-planetary-sciences/organic-carbon\">organic carbon</a> (OC) from terrestrial vegetation, followed by transport and burial, is responsible for the CO<sub>2</sub> decline. The role of wildfire triggering uptake of atmospheric CO<sub>2</sub> is proposed for the first time as a viable mechanism to explain vegetational shift, erosion, and burial of OC. Here, we quantified the impact of Fire-Induced Effects (FIE) on the OC burial rates both in the regional and global scales during the interval 4 to 1.5&nbsp;Ma. A survey of record from Nicobar Fan serves as an ideal burial ground for terrestrial <a href=\"https://www.sciencedirect.com/topics/earth-and-planetary-sciences/carbon-sequestration\">carbon storage</a> due to the deposition of OC derived from wildfire events occurring over the South Asian region. The multi-proxy approach reveals a notable intensification of wildfire activity during the Plio-Pleistocene transition, accompanied by respective 2.9 and 2.4-fold rises in the rate of continental erosion and OC burial fluxes compared to the early <a href=\"https://www.sciencedirect.com/topics/earth-and-planetary-sciences/pliocene\">Pliocene</a>. On a global scale, we constructed a global wildfire stack using 19 wildfire proxy records sourced from continental and <a href=\"https://www.sciencedirect.com/topics/earth-and-planetary-sciences/marine-sediment\">marine sediments</a>. We calculated the global OC burial rate using sediment OC content and Mass Accumulation Rate data from 23 ODP/IODP sites worldwide. Our global data also indicate a 4.8-fold surge in wildfire activity and a 1.5-fold increase in global OC burial rates, from 2.29&nbsp;±&nbsp;0.48&nbsp;Mt&nbsp;C a<sup>−1</sup> in the early <a href=\"https://www.sciencedirect.com/topics/earth-and-planetary-sciences/pliocene\">Pliocene</a> to 3.52&nbsp;±&nbsp;0.80&nbsp;Mt&nbsp;C a<sup>−1</sup> at the Plio-Pleistocene transition. Our research underscores the pivotal role of FIE in atmospheric CO<sub>2</sub> drawdown, which has been seldom discussed in previous studies.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Wildfire-enhanced Plio-Pleistocene CO2 drawdown through terrestrial organic carbon burial","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-15 01:34:03.306824","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2024,"MonPub":null,"DateUpdate":"2025-07-07","DateCreate":"2025-07-07","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.quascirev.2024.108825"},"refs":null,"anarec":{"AnaID":409687,"PubliDate":2024,"Pagination":"108825","XtraPublOfAnaID":null,"ISBN":null,"Volume":"338","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45667,"SerRR":"Quaternary Science Reviews. 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