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Volcanism and the Greenland ice cores: A new tephrochronological framework for the last glacial-interglacial transition (LGIT) based on cryptotephra deposits in three ice cores

ELIZA COOK, Peter Abbott Orcid Logo, Nick J.G. Pearce Orcid Logo, Seyedhamidreza Mojtabavi Orcid Logo, Anders Svensson Orcid Logo, Anna Bourne Orcid Logo, Sune O. Rasmussen Orcid Logo, Inger K. Seierstad Orcid Logo, Bo M. Vinther, Joseph Harrison, Elliott Street, Jørgen Peder Steffensen, Frank Wilhelms Orcid Logo, Siwan Davies Orcid Logo

Quaternary Science Reviews, Volume: 292, Start page: 107596

Swansea University Authors: ELIZA COOK, Peter Abbott Orcid Logo, Anna Bourne Orcid Logo, Siwan Davies Orcid Logo

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DOI (Published version): 10.1016/j.quascirev.2022.107596

Abstract

Chemical profiles from Greenland ice cores show that the frequency of volcanism was higher during the last glacial-interglacial transition (LGIT) and early Holocene, (17–9 ka b2k) than in any other period during the last 110 kyr. This increased frequency has partly been linked to climate-driven melt...

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Published in: Quaternary Science Reviews
ISSN: 0277-3791
Published: Elsevier BV 2022
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This increased frequency has partly been linked to climate-driven melting of the Icelandic ice sheet during the last deglaciation, with regional isostatic changes thought to alter mantle viscosity and lead to more eruptions. Our study is the first to construct a comprehensive tephrochronological framework from Greenland ice cores over the LGIT to aid in the reconstruction of volcanic activity over this period. The framework is based on extensive high-resolution sampling of three Greenland ice cores between 17.4 and 11.6 ka b2k and comprises a total of 64 cryptotephra deposits from the NGRIP, GRIP and NEEM ice cores. We show that many of these tephras are preserved within the core without an associated chemical signature in the ice, which implies that reconstructions of volcanism based solely on glacio-chemical indicators might underestimate the number of events. Single glass shards from each deposit were geochemically characterised to trace the volcanic source and many of these deposits could be correlated between cores. We show that the 64 deposits represent tephra deposits from 42 separate volcanic events, and of these, 39 are from Iceland, two from the north Pacific region (Japan and USA) and one has an unknown source. Six deposits can be correlated to terrestrial and/or marine tephra deposits in the Northern Hemisphere and the remaining 36 are unreported in other archives. We did not locate tephra from the compositionally distinctive Laacher See eruption (&#x223C;13 ka b2k) in our records. Combining our new discoveries with the previously published tephra framework, raises the number of individual tephra horizons found in Greenland ice over this interval to 50. This significantly improves the regional tephrochronological framework, our knowledge of the eruptive history of Iceland during the LGIT and provides new tephra constraints over key LGIT climate events. Consequentially, this framework can guide sampling strategies of future tephra studies in the terrestrial and marine realms aiming to link these records to the Greenland ice cores to assess regional climate synchroneity.</abstract><type>Journal Article</type><journal>Quaternary Science Reviews</journal><volume>292</volume><journalNumber/><paginationStart>107596</paginationStart><paginationEnd/><publisher>Elsevier BV</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>0277-3791</issnPrint><issnElectronic/><keywords>Cryptotephra; Isochron; Greenland; Ice cores; Chronology; Quaternary; Volcanism</keywords><publishedDay>15</publishedDay><publishedMonth>9</publishedMonth><publishedYear>2022</publishedYear><publishedDate>2022-09-15</publishedDate><doi>10.1016/j.quascirev.2022.107596</doi><url/><notes/><college>COLLEGE NANME</college><CollegeCode>COLLEGE CODE</CollegeCode><institution>Swansea University</institution><apcterm/><funders>EC was supported by PhD studentship funding from Swansea University. EC, SMD, AJB and PMA were supported by the European Research Council (ERC) project Tephra constraints on Rapid Climate Events (TRACE project: 259253). Financial and laboratory funding was provided to EC from the ERC under the European Community's Seventh Framework Programme (FP7/2007&#x2013;2013)/ERC grant agreement 610055 as part of the ice2ice project. This is also a TiPES contribution #129, having received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement no 820970. This research contributes to the NGRIP and NEEM ice-core projects, which are curated by Physics of Ice, Climate and Earth (PICE), Niels Bohr Institute, University of Copenhagen (KU). These projects were supported by funding agencies in Denmark (SNF, FI), Canada (NRCan/GSC), China (CAS), Belgium (FNRS-CFB, FWO), France (IPEV, IFRTP, INSU/CNRS, CEA and ANR), Germany (AWI), Iceland (RannIs), Japan (MEXT, NIPR), South Korea (KOPRI), Sweden (SPRS, VR), Switzerland (SNF), The Netherlands (NWO/ALW), United Kingdom (NERC) and the United States of America (NSF, Office of Polar Programs). EC was supported by STSM funding from EU-COST INTIMATE action (ES0907) to conduct ice sampling at KU, and by the Quaternary Research Association to conduct LA-ICP-MS analyses at Aberystwyth University. 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spelling 2022-11-02T13:05:59.2064017 v2 60342 2022-06-30 Volcanism and the Greenland ice cores: A new tephrochronological framework for the last glacial-interglacial transition (LGIT) based on cryptotephra deposits in three ice cores 51898207fd6d00297504f1d8e385f818 ELIZA COOK ELIZA COOK true false 26d7380e67d377820751431c8078bb83 0000-0002-6347-9499 Peter Abbott Peter Abbott true false 5adba65724d46a00b09d8471dc4a6609 0000-0003-1506-6160 Anna Bourne Anna Bourne true false b628382c97124173dd283bf7b83f1eec 0000-0003-0999-7233 Siwan Davies Siwan Davies true false 2022-06-30 Chemical profiles from Greenland ice cores show that the frequency of volcanism was higher during the last glacial-interglacial transition (LGIT) and early Holocene, (17–9 ka b2k) than in any other period during the last 110 kyr. This increased frequency has partly been linked to climate-driven melting of the Icelandic ice sheet during the last deglaciation, with regional isostatic changes thought to alter mantle viscosity and lead to more eruptions. Our study is the first to construct a comprehensive tephrochronological framework from Greenland ice cores over the LGIT to aid in the reconstruction of volcanic activity over this period. The framework is based on extensive high-resolution sampling of three Greenland ice cores between 17.4 and 11.6 ka b2k and comprises a total of 64 cryptotephra deposits from the NGRIP, GRIP and NEEM ice cores. We show that many of these tephras are preserved within the core without an associated chemical signature in the ice, which implies that reconstructions of volcanism based solely on glacio-chemical indicators might underestimate the number of events. Single glass shards from each deposit were geochemically characterised to trace the volcanic source and many of these deposits could be correlated between cores. We show that the 64 deposits represent tephra deposits from 42 separate volcanic events, and of these, 39 are from Iceland, two from the north Pacific region (Japan and USA) and one has an unknown source. Six deposits can be correlated to terrestrial and/or marine tephra deposits in the Northern Hemisphere and the remaining 36 are unreported in other archives. We did not locate tephra from the compositionally distinctive Laacher See eruption (∼13 ka b2k) in our records. Combining our new discoveries with the previously published tephra framework, raises the number of individual tephra horizons found in Greenland ice over this interval to 50. This significantly improves the regional tephrochronological framework, our knowledge of the eruptive history of Iceland during the LGIT and provides new tephra constraints over key LGIT climate events. Consequentially, this framework can guide sampling strategies of future tephra studies in the terrestrial and marine realms aiming to link these records to the Greenland ice cores to assess regional climate synchroneity. Journal Article Quaternary Science Reviews 292 107596 Elsevier BV 0277-3791 Cryptotephra; Isochron; Greenland; Ice cores; Chronology; Quaternary; Volcanism 15 9 2022 2022-09-15 10.1016/j.quascirev.2022.107596 COLLEGE NANME COLLEGE CODE Swansea University EC was supported by PhD studentship funding from Swansea University. EC, SMD, AJB and PMA were supported by the European Research Council (ERC) project Tephra constraints on Rapid Climate Events (TRACE project: 259253). Financial and laboratory funding was provided to EC from the ERC under the European Community's Seventh Framework Programme (FP7/2007–2013)/ERC grant agreement 610055 as part of the ice2ice project. This is also a TiPES contribution #129, having received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement no 820970. This research contributes to the NGRIP and NEEM ice-core projects, which are curated by Physics of Ice, Climate and Earth (PICE), Niels Bohr Institute, University of Copenhagen (KU). These projects were supported by funding agencies in Denmark (SNF, FI), Canada (NRCan/GSC), China (CAS), Belgium (FNRS-CFB, FWO), France (IPEV, IFRTP, INSU/CNRS, CEA and ANR), Germany (AWI), Iceland (RannIs), Japan (MEXT, NIPR), South Korea (KOPRI), Sweden (SPRS, VR), Switzerland (SNF), The Netherlands (NWO/ALW), United Kingdom (NERC) and the United States of America (NSF, Office of Polar Programs). EC was supported by STSM funding from EU-COST INTIMATE action (ES0907) to conduct ice sampling at KU, and by the Quaternary Research Association to conduct LA-ICP-MS analyses at Aberystwyth University. PA received funding from the European Research Council under the European Union’s Horizon 2020 research and innovation programme (grant agreement no. 820047). 2022-11-02T13:05:59.2064017 2022-06-30T21:04:50.6361453 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Geography ELIZA COOK 1 Peter Abbott 0000-0002-6347-9499 2 Nick J.G. Pearce 0000-0003-3157-9564 3 Seyedhamidreza Mojtabavi 0000-0001-5519-2992 4 Anders Svensson 0000-0002-4364-6085 5 Anna Bourne 0000-0003-1506-6160 6 Sune O. Rasmussen 0000-0002-4177-3611 7 Inger K. Seierstad 0000-0003-1294-2292 8 Bo M. Vinther 9 Joseph Harrison 10 Elliott Street 11 Jørgen Peder Steffensen 12 Frank Wilhelms 0000-0001-7688-3135 13 Siwan Davies 0000-0003-0999-7233 14 60342__24993__990a7ed8b8fd4ae69ac57aaac6091e25.pdf 60342.pdf 2022-08-23T12:29:02.6618456 Output 5075134 application/pdf Version of Record true © 2022 The Authors. This is an open access article under the CC BY license true eng http://creativecommons.org/licenses/by/4.0/
title Volcanism and the Greenland ice cores: A new tephrochronological framework for the last glacial-interglacial transition (LGIT) based on cryptotephra deposits in three ice cores
spellingShingle Volcanism and the Greenland ice cores: A new tephrochronological framework for the last glacial-interglacial transition (LGIT) based on cryptotephra deposits in three ice cores
ELIZA COOK
Peter Abbott
Anna Bourne
Siwan Davies
title_short Volcanism and the Greenland ice cores: A new tephrochronological framework for the last glacial-interglacial transition (LGIT) based on cryptotephra deposits in three ice cores
title_full Volcanism and the Greenland ice cores: A new tephrochronological framework for the last glacial-interglacial transition (LGIT) based on cryptotephra deposits in three ice cores
title_fullStr Volcanism and the Greenland ice cores: A new tephrochronological framework for the last glacial-interglacial transition (LGIT) based on cryptotephra deposits in three ice cores
title_full_unstemmed Volcanism and the Greenland ice cores: A new tephrochronological framework for the last glacial-interglacial transition (LGIT) based on cryptotephra deposits in three ice cores
title_sort Volcanism and the Greenland ice cores: A new tephrochronological framework for the last glacial-interglacial transition (LGIT) based on cryptotephra deposits in three ice cores
author_id_str_mv 51898207fd6d00297504f1d8e385f818
26d7380e67d377820751431c8078bb83
5adba65724d46a00b09d8471dc4a6609
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author_id_fullname_str_mv 51898207fd6d00297504f1d8e385f818_***_ELIZA COOK
26d7380e67d377820751431c8078bb83_***_Peter Abbott
5adba65724d46a00b09d8471dc4a6609_***_Anna Bourne
b628382c97124173dd283bf7b83f1eec_***_Siwan Davies
author ELIZA COOK
Peter Abbott
Anna Bourne
Siwan Davies
author2 ELIZA COOK
Peter Abbott
Nick J.G. Pearce
Seyedhamidreza Mojtabavi
Anders Svensson
Anna Bourne
Sune O. Rasmussen
Inger K. Seierstad
Bo M. Vinther
Joseph Harrison
Elliott Street
Jørgen Peder Steffensen
Frank Wilhelms
Siwan Davies
format Journal article
container_title Quaternary Science Reviews
container_volume 292
container_start_page 107596
publishDate 2022
institution Swansea University
issn 0277-3791
doi_str_mv 10.1016/j.quascirev.2022.107596
publisher Elsevier BV
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Geography{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Geography
document_store_str 1
active_str 0
description Chemical profiles from Greenland ice cores show that the frequency of volcanism was higher during the last glacial-interglacial transition (LGIT) and early Holocene, (17–9 ka b2k) than in any other period during the last 110 kyr. This increased frequency has partly been linked to climate-driven melting of the Icelandic ice sheet during the last deglaciation, with regional isostatic changes thought to alter mantle viscosity and lead to more eruptions. Our study is the first to construct a comprehensive tephrochronological framework from Greenland ice cores over the LGIT to aid in the reconstruction of volcanic activity over this period. The framework is based on extensive high-resolution sampling of three Greenland ice cores between 17.4 and 11.6 ka b2k and comprises a total of 64 cryptotephra deposits from the NGRIP, GRIP and NEEM ice cores. We show that many of these tephras are preserved within the core without an associated chemical signature in the ice, which implies that reconstructions of volcanism based solely on glacio-chemical indicators might underestimate the number of events. Single glass shards from each deposit were geochemically characterised to trace the volcanic source and many of these deposits could be correlated between cores. We show that the 64 deposits represent tephra deposits from 42 separate volcanic events, and of these, 39 are from Iceland, two from the north Pacific region (Japan and USA) and one has an unknown source. Six deposits can be correlated to terrestrial and/or marine tephra deposits in the Northern Hemisphere and the remaining 36 are unreported in other archives. We did not locate tephra from the compositionally distinctive Laacher See eruption (∼13 ka b2k) in our records. Combining our new discoveries with the previously published tephra framework, raises the number of individual tephra horizons found in Greenland ice over this interval to 50. This significantly improves the regional tephrochronological framework, our knowledge of the eruptive history of Iceland during the LGIT and provides new tephra constraints over key LGIT climate events. Consequentially, this framework can guide sampling strategies of future tephra studies in the terrestrial and marine realms aiming to link these records to the Greenland ice cores to assess regional climate synchroneity.
published_date 2022-09-15T04:18:22Z
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