publication . Other literature type . Article . Preprint . 2020

Bipolar volcanic synchronization of abrupt climate change in Greenland and Antarctic ice cores during the last glacial period

A. Svensson; D. Dahl-Jensen; J. P. Steffensen; T. Blunier; S. O. Rasmussen; B. M. Vinther; P. Vallelonga; P. Vallelonga; E. Capron; V. Gkinis; ...
Open Access English
  • Published: 19 Aug 2020 Journal: Climate of the Past, volume 16, issue 4, pages 1,565-1,580 (eissn: 1814-9332, Copyright policy)
Abstract
<p><span id="page1566"/>The last glacial period is characterized by a number of millennial climate events that have been identified in both Greenland and Antarctic ice cores and that are abrupt in Greenland climate records. The mechanisms governing this climate variability remain a puzzle that requires a precise synchronization of ice cores from the two hemispheres to be resolved. Previously, Greenland and Antarctic ice cores have been synchronized primarily via their common records of gas concentrations or isotopes from the trapped air and via cosmogenic isotopes measured on the ice. In this work, we apply ice core volcanic proxies and annual layer counting to ...
Subjects
free text keywords: 530 Physics, [SDU.STU.GL]Sciences of the Universe [physics]/Earth Sciences/Glaciology, [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology, Stratigraphy, Palaeontology, Global and Planetary Change, Abrupt climate change, Geology, δ18O, Tephra, Lag, Climatology, Teleconnection, Volcano, geography.geographical_feature_category, geography, Glacial period, Ice core, lcsh:Environmental pollution, lcsh:TD172-193.5, lcsh:Environmental protection, lcsh:TD169-171.8, lcsh:Environmental sciences, lcsh:GE1-350
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