Bassinot, Franck

Daniau, Anne-Laure

Desprat, Stéphanie

Harrison, Sandy

Kim, Jung-Hyun

Laepple, Thomas

Rehfeld, Kira

Sánchez-Goñi, Maria Fernanda

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Geophysical Research AbstractsVol. 18, EGU2016-15084, 2016EGU General Assembly 2016© Author(s) 2016. CC Attribution 3.0 License.A first look at the ACER-SST dataset: Mapping the spatio-temporalvariability of sea-surface temperatures in the last Glacial and theHoloceneKira Rehfeld (1), Thomas Laepple (1), Franck Bassinot (2), Anne-Laure Daniau (3), Stéphanie Desprat (3),Jung-Hyun Kim (4), Maria Fernanda Sánchez-Goñi (3), Sandy Harrison (5), and the ACER-SST Team(1) Alfred-Wegner Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Potsdam, Germany (krehfeld@awi.de), (2)Laboratoire des Sciences du Climat et de l’Environnement (CEA-CNRS-UVSQ), Domaine du CNRS, Avenue de la Terrasse,91198 Gif-sur-Yvette, France, (3) Université de Bordeaux, UMR CNRS 5805 EPOC (Environnements etPaleoenvironnements Oceaniques et Continentaux), Allée Geoffroy St Hilaire, 33615 Pessac Cedex, France, (4) Department ofMarine Science and Convergence Technology, Hanyang University ERICA campus, 55 Hanyangdaehak-ro, Sangnok-gu,Ansan-si, Gyeonggi-do 426-791, South Korea, (5) Centre for Past Climate Change and School of Archaeology, Geographyand Environmental Sciences, University of Reading, Whiteknights, Reading, RG6 6AH, UKClimate in the last Glacial was characterized by abrupt and large-scale changes around cold Heinrich-Events andwarm Dansgaard-Oeschger excursions in the Northern high latitudes. The global repercussions of these periods ofrapid dynamics are, to date, unconstrained.Here, we present a first statistical analysis of the global multi-proxy ACER (Abrupt Climate Changes andEnvironmental Responses) sea surface temperature dataset, spanning the last 80 thousand years, to investigatethe spatial footprints of glacial climate dynamics. In a first step we evaluate the spatial and temporal variabilitythroughout the Glacial period, and contrast them with that during the Holocene. In a second step we investigate towhich extent a temporal synchroneity of extreme events during the Glacial is detectable in the proxy records, andanalyze the reversibility of Glacial dynamics.

A first look at the ACER-SST dataset: Mapping the spatio-temporal variability of sea-surface temperatures in the last Glacial and the Holocene

A first look at the ACER-SST dataset: Mapping the spatio-temporal variability of sea-surface temperatures in the last Glacial and the Holocene

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