(Table S1) Palynology of IODP Hole 302-M0004A ...

• Main Authors: Sluijs, Appy, Schouten, Stefan, Pagani, Mark, Woltering, Martijn, Brinkhuis, Henk, Sinninghe Damsté, Jaap S, Dickens, Gerald Roy, Huber, Matthew, Reichart, Gert-Jan, Stein, Ruediger, Matthiessen, Jens, Lourens, Lucas Joost, Pedentchouk, Nikolai, Backman, Jan, Moran, Kathryn, Expedition 302 Scientists
• Format: Dataset
• Language: English
• Published: PANGAEA 2006
• Subjects: Sample code/label; DEPTH, sediment/rock; Apectodinium spp.; Areoligera complex; Caligodinium aceras; Cerodinium complex; Cordosphaeridium complex; Senegalinium spp.; Spiniferites complex; Membranosphaera complex; Polysphaeridium complex; Dinoflagellate cyst indeterminata; Dinoflagellate cyst; Dinoflagellate cyst, low salinity tolerant; Foraminifera, linings per unit mass; Angiosperms; Spores; Pollen, gymnosperms; Palynomorpha, terrestrial; Pollen, angiosperms; Palynomorpha, marine; DSDP/ODP/IODP sample designation; Exp302; CCGS Captain Molly Kool Vidar Viking; Integrated Ocean Drilling Program / International Ocean Discovery Program IODP; albedo; Foraminifera*; North Pole
• Online Access: https://dx.doi.org/10.1594/pangaea.769815; https://doi.pangaea.de/10.1594/PANGAEA.769815

The Palaeocene/Eocene thermal maximum, 55 million years ago, was a brief period of widespread, extreme climatic warming (Zachos et al., 2003; Kennett and Stott, 1991, doi:10.1038/353225a0; Tripati and Elderfield, 2005, doi:10.1126/science.1109202), that was associated with massive atmospheric greenhouse gas input (Dickens et al., 1995, doi:10.1029/95PA02087). Although aspects of the resulting environmental changes are well documented at low latitudes, no data were available to quantify simultaneous changes in the Arctic region. Here we identify the Palaeocene/Eocene thermal maximum in a marine sedimentary sequence obtained during the Arctic Coring Expedition (Backman et al., 2006, doi:10.2204/iodp.proc.302.2006). We show that sea surface temperatures near the North Pole increased from 18 °C to over 23 °C during this event. Such warm values imply the absence of ice and thus exclude the influence of ice-albedo feedbacks on this Arctic warming. At the same time, sea level rose while anoxic and euxinic ... : Sediment depth is given in mcd. ...