Synchronous volcanic eruptions and abrupt climate change ∼17.7 ka plausibly linked by stratospheric ozone depletion
International audience Glacial-state greenhouse gas concentrations and Southern Hemisphere climate conditions persisted until ∼17.7 ka, when a nearly synchronous acceleration in deglaciation was recorded in paleoclimate proxies in large parts of the Southern Hemisphere, with many changes ascribed to...
Published in: | Proceedings of the National Academy of Sciences |
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Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Other Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2017
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Subjects: | |
Online Access: | https://insu.hal.science/insu-01585759 https://insu.hal.science/insu-01585759/document https://insu.hal.science/insu-01585759/file/10035.full.pdf https://doi.org/10.1073/pnas.1705595114 |
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ftinsu:oai:HAL:insu-01585759v1 |
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Open Polar |
collection |
Institut national des sciences de l'Univers: HAL-INSU |
op_collection_id |
ftinsu |
language |
English |
topic |
[SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology [SDU.STU.VO]Sciences of the Universe [physics]/Earth Sciences/Volcanology |
spellingShingle |
[SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology [SDU.STU.VO]Sciences of the Universe [physics]/Earth Sciences/Volcanology Mcconnell, Joseph R. Burke, Andrea Dunbar, Nelia W. Köhler, Peter Thomas, Jennie L. Arienzo, Monica M. Chellman, Nathan J. Maselli, Olivia J. Sigl, Michael Adkins, Jess F. Baggenstos, Daniel Burkhart, John F. Brook, Edward J. Buizert, Christo Cole-Dai, Jihong Fudge, T. J. Knorr, Gregor Graf, Hans-F. Grieman, Mackenzie M. Iverson, Nels Mcgwire, Kenneth C. Mulvaney, Robert Paris, Guillaume Rhodes, Rachael H. Saltzman, Eric S. Severinghaus, Jeffrey P. Steffensen, Jørgen Peder Taylor, Kendrick C. Winckler, Gisela Synchronous volcanic eruptions and abrupt climate change ∼17.7 ka plausibly linked by stratospheric ozone depletion |
topic_facet |
[SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology [SDU.STU.VO]Sciences of the Universe [physics]/Earth Sciences/Volcanology |
description |
International audience Glacial-state greenhouse gas concentrations and Southern Hemisphere climate conditions persisted until ∼17.7 ka, when a nearly synchronous acceleration in deglaciation was recorded in paleoclimate proxies in large parts of the Southern Hemisphere, with many changes ascribed to a sudden poleward shift in the Southern Hemisphere westerlies and subsequent climate impacts. We used high-resolution chemical measurements in the West Antarctic Ice Sheet Divide, Byrd, and other ice cores to document a unique, ∼192-y series of halogen-rich volcanic eruptions exactly at the start of accelerated deglaciation, with tephra identifying the nearby Mount Takahe volcano as the source. Extensive fallout from these massive eruptions has been found >2,800 km from Mount Takahe. Sulfur isotope anomalies and marked decreases in ice core bromine consistent with increased surface UV radiation indicate that the eruptions led to stratospheric ozone depletion. Rather than a highly improbable coincidence, circulation and climate changes extending from the Antarctic Peninsula to the subtropics—similar to those associated with modern stratospheric ozone depletion over Antarctica—plausibly link the Mount Takahe eruptions to the onset of accelerated Southern Hemisphere deglaciation ∼17.7 ka. |
author2 |
Division of Hydrologic Sciences Desert Research Institute (DRI) School of Earth and Environmental Sciences University St Andrews University of St Andrews Scotland New Mexico Institute of Mining and Technology New Mexico Tech (NMT) Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung = Alfred Wegener Institute for Polar and Marine Research = Institut Alfred-Wegener pour la recherche polaire et marine (AWI) Helmholtz-Gemeinschaft = Helmholtz Association TROPO - LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) Division of Geological and Planetary Sciences Pasadena California Institute of Technology (CALTECH) Scripps Institution of Oceanography (SIO - UC San Diego) University of California San Diego (UC San Diego) University of California (UC)-University of California (UC) Department of Geosciences Oslo Faculty of Mathematics and Natural Sciences Oslo University of Oslo (UiO)-University of Oslo (UiO) College of Earth, Ocean and Atmospheric Sciences Corvallis (CEOAS) Oregon State University (OSU) Department of Chemistry and Biochemistry Brookings South Dakota State University (SDSTATE) Department of Earth and Space Sciences Seattle University of Washington Seattle Centre for Atmospheric Science Cambridge, UK University of Cambridge UK (CAM) Department of Earth System Science Irvine (ESS) University of California Irvine (UC Irvine) Division of Earth and Ecosystem Sciences (DEES) British Antarctic Survey (BAS) Natural Environment Research Council (NERC) Department of Earth Sciences Cambridge, UK Centre for Ice and Climate Copenhagen Niels Bohr Institute Copenhagen (NBI) Faculty of Science Copenhagen University of Copenhagen = Københavns Universitet (UCPH)-University of Copenhagen = Københavns Universitet (UCPH)-Faculty of Science Copenhagen University of Copenhagen = Københavns Universitet (UCPH)-University of Copenhagen = Københavns Universitet (UCPH) Lamont-Doherty Earth Observatory (LDEO) Columbia University New York |
format |
Article in Journal/Newspaper |
author |
Mcconnell, Joseph R. Burke, Andrea Dunbar, Nelia W. Köhler, Peter Thomas, Jennie L. Arienzo, Monica M. Chellman, Nathan J. Maselli, Olivia J. Sigl, Michael Adkins, Jess F. Baggenstos, Daniel Burkhart, John F. Brook, Edward J. Buizert, Christo Cole-Dai, Jihong Fudge, T. J. Knorr, Gregor Graf, Hans-F. Grieman, Mackenzie M. Iverson, Nels Mcgwire, Kenneth C. Mulvaney, Robert Paris, Guillaume Rhodes, Rachael H. Saltzman, Eric S. Severinghaus, Jeffrey P. Steffensen, Jørgen Peder Taylor, Kendrick C. Winckler, Gisela |
author_facet |
Mcconnell, Joseph R. Burke, Andrea Dunbar, Nelia W. Köhler, Peter Thomas, Jennie L. Arienzo, Monica M. Chellman, Nathan J. Maselli, Olivia J. Sigl, Michael Adkins, Jess F. Baggenstos, Daniel Burkhart, John F. Brook, Edward J. Buizert, Christo Cole-Dai, Jihong Fudge, T. J. Knorr, Gregor Graf, Hans-F. Grieman, Mackenzie M. Iverson, Nels Mcgwire, Kenneth C. Mulvaney, Robert Paris, Guillaume Rhodes, Rachael H. Saltzman, Eric S. Severinghaus, Jeffrey P. Steffensen, Jørgen Peder Taylor, Kendrick C. Winckler, Gisela |
author_sort |
Mcconnell, Joseph R. |
title |
Synchronous volcanic eruptions and abrupt climate change ∼17.7 ka plausibly linked by stratospheric ozone depletion |
title_short |
Synchronous volcanic eruptions and abrupt climate change ∼17.7 ka plausibly linked by stratospheric ozone depletion |
title_full |
Synchronous volcanic eruptions and abrupt climate change ∼17.7 ka plausibly linked by stratospheric ozone depletion |
title_fullStr |
Synchronous volcanic eruptions and abrupt climate change ∼17.7 ka plausibly linked by stratospheric ozone depletion |
title_full_unstemmed |
Synchronous volcanic eruptions and abrupt climate change ∼17.7 ka plausibly linked by stratospheric ozone depletion |
title_sort |
synchronous volcanic eruptions and abrupt climate change ∼17.7 ka plausibly linked by stratospheric ozone depletion |
publisher |
HAL CCSD |
publishDate |
2017 |
url |
https://insu.hal.science/insu-01585759 https://insu.hal.science/insu-01585759/document https://insu.hal.science/insu-01585759/file/10035.full.pdf https://doi.org/10.1073/pnas.1705595114 |
long_lat |
ENVELOPE(-112.233,-112.233,-76.267,-76.267) ENVELOPE(166.800,166.800,-77.217,-77.217) |
geographic |
Antarctic The Antarctic Antarctic Peninsula West Antarctic Ice Sheet Byrd Takahe Mount Takahe |
geographic_facet |
Antarctic The Antarctic Antarctic Peninsula West Antarctic Ice Sheet Byrd Takahe Mount Takahe |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica ice core Ice Sheet |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica ice core Ice Sheet |
op_source |
ISSN: 0027-8424 EISSN: 1091-6490 Proceedings of the National Academy of Sciences of the United States of America https://insu.hal.science/insu-01585759 Proceedings of the National Academy of Sciences of the United States of America, 2017, 114 (38), pp.10035-10040. ⟨10.1073/pnas.1705595114⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1073/pnas.1705595114 insu-01585759 https://insu.hal.science/insu-01585759 https://insu.hal.science/insu-01585759/document https://insu.hal.science/insu-01585759/file/10035.full.pdf doi:10.1073/pnas.1705595114 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1073/pnas.1705595114 |
container_title |
Proceedings of the National Academy of Sciences |
container_volume |
114 |
container_issue |
38 |
container_start_page |
10035 |
op_container_end_page |
10040 |
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1790609684290338816 |
spelling |
ftinsu:oai:HAL:insu-01585759v1 2024-02-11T09:57:23+01:00 Synchronous volcanic eruptions and abrupt climate change ∼17.7 ka plausibly linked by stratospheric ozone depletion Mcconnell, Joseph R. Burke, Andrea Dunbar, Nelia W. Köhler, Peter Thomas, Jennie L. Arienzo, Monica M. Chellman, Nathan J. Maselli, Olivia J. Sigl, Michael Adkins, Jess F. Baggenstos, Daniel Burkhart, John F. Brook, Edward J. Buizert, Christo Cole-Dai, Jihong Fudge, T. J. Knorr, Gregor Graf, Hans-F. Grieman, Mackenzie M. Iverson, Nels Mcgwire, Kenneth C. Mulvaney, Robert Paris, Guillaume Rhodes, Rachael H. Saltzman, Eric S. Severinghaus, Jeffrey P. Steffensen, Jørgen Peder Taylor, Kendrick C. Winckler, Gisela Division of Hydrologic Sciences Desert Research Institute (DRI) School of Earth and Environmental Sciences University St Andrews University of St Andrews Scotland New Mexico Institute of Mining and Technology New Mexico Tech (NMT) Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung = Alfred Wegener Institute for Polar and Marine Research = Institut Alfred-Wegener pour la recherche polaire et marine (AWI) Helmholtz-Gemeinschaft = Helmholtz Association TROPO - LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) Division of Geological and Planetary Sciences Pasadena California Institute of Technology (CALTECH) Scripps Institution of Oceanography (SIO - UC San Diego) University of California San Diego (UC San Diego) University of California (UC)-University of California (UC) Department of Geosciences Oslo Faculty of Mathematics and Natural Sciences Oslo University of Oslo (UiO)-University of Oslo (UiO) College of Earth, Ocean and Atmospheric Sciences Corvallis (CEOAS) Oregon State University (OSU) Department of Chemistry and Biochemistry Brookings South Dakota State University (SDSTATE) Department of Earth and Space Sciences Seattle University of Washington Seattle Centre for Atmospheric Science Cambridge, UK University of Cambridge UK (CAM) Department of Earth System Science Irvine (ESS) University of California Irvine (UC Irvine) Division of Earth and Ecosystem Sciences (DEES) British Antarctic Survey (BAS) Natural Environment Research Council (NERC) Department of Earth Sciences Cambridge, UK Centre for Ice and Climate Copenhagen Niels Bohr Institute Copenhagen (NBI) Faculty of Science Copenhagen University of Copenhagen = Københavns Universitet (UCPH)-University of Copenhagen = Københavns Universitet (UCPH)-Faculty of Science Copenhagen University of Copenhagen = Københavns Universitet (UCPH)-University of Copenhagen = Københavns Universitet (UCPH) Lamont-Doherty Earth Observatory (LDEO) Columbia University New York 2017 https://insu.hal.science/insu-01585759 https://insu.hal.science/insu-01585759/document https://insu.hal.science/insu-01585759/file/10035.full.pdf https://doi.org/10.1073/pnas.1705595114 en eng HAL CCSD National Academy of Sciences info:eu-repo/semantics/altIdentifier/doi/10.1073/pnas.1705595114 insu-01585759 https://insu.hal.science/insu-01585759 https://insu.hal.science/insu-01585759/document https://insu.hal.science/insu-01585759/file/10035.full.pdf doi:10.1073/pnas.1705595114 info:eu-repo/semantics/OpenAccess ISSN: 0027-8424 EISSN: 1091-6490 Proceedings of the National Academy of Sciences of the United States of America https://insu.hal.science/insu-01585759 Proceedings of the National Academy of Sciences of the United States of America, 2017, 114 (38), pp.10035-10040. ⟨10.1073/pnas.1705595114⟩ [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology [SDU.STU.VO]Sciences of the Universe [physics]/Earth Sciences/Volcanology info:eu-repo/semantics/article Journal articles 2017 ftinsu https://doi.org/10.1073/pnas.1705595114 2024-01-17T17:26:41Z International audience Glacial-state greenhouse gas concentrations and Southern Hemisphere climate conditions persisted until ∼17.7 ka, when a nearly synchronous acceleration in deglaciation was recorded in paleoclimate proxies in large parts of the Southern Hemisphere, with many changes ascribed to a sudden poleward shift in the Southern Hemisphere westerlies and subsequent climate impacts. We used high-resolution chemical measurements in the West Antarctic Ice Sheet Divide, Byrd, and other ice cores to document a unique, ∼192-y series of halogen-rich volcanic eruptions exactly at the start of accelerated deglaciation, with tephra identifying the nearby Mount Takahe volcano as the source. Extensive fallout from these massive eruptions has been found >2,800 km from Mount Takahe. Sulfur isotope anomalies and marked decreases in ice core bromine consistent with increased surface UV radiation indicate that the eruptions led to stratospheric ozone depletion. Rather than a highly improbable coincidence, circulation and climate changes extending from the Antarctic Peninsula to the subtropics—similar to those associated with modern stratospheric ozone depletion over Antarctica—plausibly link the Mount Takahe eruptions to the onset of accelerated Southern Hemisphere deglaciation ∼17.7 ka. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Antarctica ice core Ice Sheet Institut national des sciences de l'Univers: HAL-INSU Antarctic The Antarctic Antarctic Peninsula West Antarctic Ice Sheet Byrd Takahe ENVELOPE(-112.233,-112.233,-76.267,-76.267) Mount Takahe ENVELOPE(166.800,166.800,-77.217,-77.217) Proceedings of the National Academy of Sciences 114 38 10035 10040 |