New definition for the subdivision of the Holocene Epoch and climate

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  • Hirabayashi Shoko
    Graduate School of Social and Cultural Studies, Kyushu University
  • Yokoyama Yusuke
    Atmosphere and Ocean Research Institute, The University of Tokyo Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo Graduate Program on Environmental Sciences, Graduate School of Arts and Sciences, The University of Tokyo Biogeochemistry Program, Japan Agency for Marine-Earth Science and Technology Research School of Physics, The Australian National University

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  • 完新統/完新世の細分と気候変動
  • カンシントウ/カンシン セイ ノ サイブン ト キコウ ヘンドウ

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Abstract

<p>Recent studies have revealed that the Holocene climate was not stable, but has varied on a centennial-to-millennium scale. The abrupt global climate shifts that occurred in ～8.2ka and ～4.2 ka had received much attention in the form of a tripartite subdivision of the Holocene, with the terms ‘Early’, ‘Middle’, and ‘Late’ Holocene applied in the Quaternary science literature routinely. On July 13, 2018, a tripartite division of the Holocene into the Greenlandian (Early Holocene), Northgrippian (Middle Holocene), and Meghalayan (Late Holocene) stages/ages was formally defined by the International Commission on Stratigraphy (ICS), the International Union of Geological Sciences (IUGS). Here we discuss briefly the new Holocene stages/ages and subseries/subepochs, and their associated climate changes.</p>

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