Weijers Johan W H Johan.Weijers@shell.com Schouten Stefan Stefan.Schouten@nioz.nl Sluijs Appy A.Sluijs@bio.uu.nl 0000-0003-2382-0215 Brinkhuis Henk h.brinkhuis@bio.uu.nl 0000-0003-0253-6610 Sinninghe Damsté Jaap S jaap.damste@nioz.nl 0000-0002-8683-1854 2007 Reconstruction of continental mean air temperature across the PETM of IODP Hole 302-M0004A (Appendix A) dataset https://doi.org/10.1594/PANGAEA.707279 Weijers Johan W H Johan.Weijers@shell.com Schouten Stefan Stefan.Schouten@nioz.nl Sluijs Appy A.Sluijs@bio.uu.nl 0000-0003-2382-0215 Brinkhuis Henk h.brinkhuis@bio.uu.nl 0000-0003-0253-6610 Sinninghe Damsté Jaap S jaap.damste@nioz.nl 0000-0002-8683-1854 2007 Warm arctic continents during the Palaeocene-Eocene thermal maximum journal article Earth and Planetary Science Letters 261(1-2) https://doi.org/10.1016/j.epsl.2007.06.033 230-238 The Palaeocene-Eocene Thermal Maximum (PETM; ~55.5 Ma) is a geologically relatively brief episode of extreme warmth. Both deep and surface ocean temperatures increased by up to 5 °C in equatorial waters and up to 8 °C in mid and high latitude waters. From the continents, the annual mean air temperature response during the PETM is still largely unknown, mainly due to a lack of quantitative temperature proxies and sufficient suitable, continuous high resolution records. Recently, a new proxy for continental temperature reconstructions has been proposed, based on the distribution of membrane lipids of bacteria in present-day soils [Weijers et al., 2007, doi:10.1016/j.gca.2006.10.003] and shown to reconstruct annual mean air temperature. In this study we applied this new proxy in an attempt to reconstruct the air temperature in high latitude continental areas during the PETM by analysis of a marine sedimentary sequence obtained from the Lomonosov Ridge in the central Arctic Ocean (Integrated Ocean Drilling Program Expedition 302, Site 004, Hole A). The results indicate a warming of ~8 °C above background values of ~17 °C. This warming is coincident with a similar rise in sea surface temperatures documented earlier. Our results thus further confirm the warm conditions in the Arctic, and point to a strongly reduced latitudinal temperature gradient during the PETM. Weijers Johan W H Johan.Weijers@shell.com Schouten Stefan Stefan.Schouten@nioz.nl Sluijs Appy A.Sluijs@bio.uu.nl 0000-0003-2382-0215 Brinkhuis Henk h.brinkhuis@bio.uu.nl 0000-0003-0253-6610 Sinninghe Damsté Jaap S jaap.damste@nioz.nl 0000-0002-8683-1854 2008 Erratum to “Warm arctic continents during the Palaeocene-Eocene thermal maximum” [Earth and Planetary Science Letters, 261, 2007, 230-238] journal article Earth and Planetary Science Letters 268(1-2) https://doi.org/10.1016/j.epsl.2008.01.013 243 136.17735 136.17735 87.86658 87.86658 136.17735 87.86658 2004-08-27T00:00:00 2004-08-27T00:00:00 378.21 390.71 not specified IODP Integrated Ocean Drilling Program / International Ocean Discovery Program https://www.iodp.org/ 302-M0004A ACEX-M4A 87.86658 136.17735 -1287.9 2004-08-27T00:00:00 https://doi.org/10.58100/IBCR0302RHVS001 427.9 m 85.91 m Arctic Ocean Exp302 Arctic Coring Expedition, ACEX https://doi.org/10.2204/iodp.proc.302.2006 Backman, Jan Moran, K 2004-08-07 2004-09-14 CCGS Captain Molly Kool (Vidar Viking) https://en.wikipedia.org/wiki/CCGS_Captain_Molly_Kool 219 CC-BY-3.0 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ DEPTH, sediment/rock Depth sed m depth http://purl.obolibrary.org/obo/PATO_0001595 sediment http://purl.obolibrary.org/obo/ENVO_00002007 rock Length L http://dbpedia.org/resource/Length Depth sed [m] Sample code/label Sample label DSDP/ODP/IODP sample designation hdl:10013/epic.27914.d001 Weijers Johan W H Johan.Weijers@shell.com Sample label Cyclization ratio of branched tetraethers CBT ratio High Performance Liquid Chromatography - Mass spectrometry (HPLC-MS) Chromatographs & spectrometers high performance liquid chromatographs http://vocab.nerc.ac.uk/collection/L05/current/LAB11/ Weijers Johan W H Johan.Weijers@shell.com CBT Methylation index of branched tetraethers MBT High Performance Liquid Chromatography - Mass spectrometry (HPLC-MS) Chromatographs & spectrometers high performance liquid chromatographs http://vocab.nerc.ac.uk/collection/L05/current/LAB11/ Weijers Johan W H Johan.Weijers@shell.com MBT Temperature, annual mean MAT °C Temperature Θ http://dbpedia.org/resource/Temperature annual mean Calculated Weijers Johan W H Johan.Weijers@shell.com reconstructed continental mean air temperature, calibration equation of Weijers et al., (2007, doi:10.1016/j.gca.2006.10.003) MAT [°C] Osmundaceae Osmundaceae % Osmundaceae https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=17216 Dimensionless Ratio ψ Counting >15 µm fraction Weijers Johan W H Johan.Weijers@shell.com of total terrestrial palynomorphs Osmundaceae [%] supplement citable acex302pc author25020 author25039 author26503 author28189 author28361 basis4255 campaign26994 event2188750 geocode1 geocode1599 geocode1600 geocode1601 geocode8128 journal4644 license101 method50 method5059 method5379 method6335 param31447 param54066 param54067 param790 param79733 pi28189 project4048 ref29325 ref29326 term1032433 term1073131 term196 term20346 term2299487 term2663825 term38263 term40958 term41056 term41091 term43794 term43863 term43972 term68027 topotype1