The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0
The penultimate deglaciation (PDG, ∼138 –128 thousand years before present, hereafter ka) is the transition from the penultimate glacial maximum (PGM) to the Last Interglacial (LIG, ∼129 –116 ka). The LIG stands out as one of the warmest interglacials of the last 800 000 years (hereafter kyr), with...
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ftdoajarticles:oai:doaj.org/article:18253b620b794af5914d7399ce1cda4b 2023-05-15T16:40:45+02:00 The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 L. Menviel E. Capron A. Govin A. Dutton L. Tarasov A. Abe-Ouchi R. N. Drysdale P. L. Gibbard L. Gregoire F. He R. F. Ivanovic M. Kageyama K. Kawamura A. Landais B. L. Otto-Bliesner I. Oyabu P. C. Tzedakis E. Wolff X. Zhang 2019-08-01T00:00:00Z https://doi.org/10.5194/gmd-12-3649-2019 https://doaj.org/article/18253b620b794af5914d7399ce1cda4b EN eng Copernicus Publications https://www.geosci-model-dev.net/12/3649/2019/gmd-12-3649-2019.pdf https://doaj.org/toc/1991-959X https://doaj.org/toc/1991-9603 doi:10.5194/gmd-12-3649-2019 1991-959X 1991-9603 https://doaj.org/article/18253b620b794af5914d7399ce1cda4b Geoscientific Model Development, Vol 12, Pp 3649-3685 (2019) Geology QE1-996.5 article 2019 ftdoajarticles https://doi.org/10.5194/gmd-12-3649-2019 2022-12-31T16:20:45Z The penultimate deglaciation (PDG, ∼138 –128 thousand years before present, hereafter ka) is the transition from the penultimate glacial maximum (PGM) to the Last Interglacial (LIG, ∼129 –116 ka). The LIG stands out as one of the warmest interglacials of the last 800 000 years (hereafter kyr), with high-latitude temperature warmer than today and global sea level likely higher by at least 6 m. Considering the transient nature of the Earth system, the LIG climate and ice-sheet evolution were certainly influenced by the changes occurring during the penultimate deglaciation. It is thus important to investigate, with coupled atmosphere–ocean general circulation models (AOGCMs), the climate and environmental response to the large changes in boundary conditions (i.e. orbital configuration, atmospheric greenhouse gas concentrations, ice-sheet geometry and associated meltwater fluxes) occurring during the penultimate deglaciation. A deglaciation working group has recently been set up as part of the Paleoclimate Modelling Intercomparison Project (PMIP) phase 4, with a protocol to perform transient simulations of the last deglaciation (19–11 ka; although the protocol covers 26–0 ka). Similar to the last deglaciation, the disintegration of continental ice sheets during the penultimate deglaciation led to significant changes in the oceanic circulation during Heinrich Stadial 11 ( ∼136 –129 ka). However, the two deglaciations bear significant differences in magnitude and temporal evolution of climate and environmental changes. Here, as part of the Past Global Changes (PAGES)-PMIP working group on Quaternary interglacials (QUIGS), we propose a protocol to perform transient simulations of the penultimate deglaciation under the auspices of PMIP4. This design includes time-varying changes in orbital forcing, greenhouse gas concentrations, continental ice sheets as well as freshwater input from the disintegration of continental ice sheets. This experiment is designed for AOGCMs to assess the coupled response of the climate system ... Article in Journal/Newspaper Ice Sheet Directory of Open Access Journals: DOAJ Articles Geoscientific Model Development 12 8 3649 3685 |
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Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Geology QE1-996.5 |
spellingShingle |
Geology QE1-996.5 L. Menviel E. Capron A. Govin A. Dutton L. Tarasov A. Abe-Ouchi R. N. Drysdale P. L. Gibbard L. Gregoire F. He R. F. Ivanovic M. Kageyama K. Kawamura A. Landais B. L. Otto-Bliesner I. Oyabu P. C. Tzedakis E. Wolff X. Zhang The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 |
topic_facet |
Geology QE1-996.5 |
description |
The penultimate deglaciation (PDG, ∼138 –128 thousand years before present, hereafter ka) is the transition from the penultimate glacial maximum (PGM) to the Last Interglacial (LIG, ∼129 –116 ka). The LIG stands out as one of the warmest interglacials of the last 800 000 years (hereafter kyr), with high-latitude temperature warmer than today and global sea level likely higher by at least 6 m. Considering the transient nature of the Earth system, the LIG climate and ice-sheet evolution were certainly influenced by the changes occurring during the penultimate deglaciation. It is thus important to investigate, with coupled atmosphere–ocean general circulation models (AOGCMs), the climate and environmental response to the large changes in boundary conditions (i.e. orbital configuration, atmospheric greenhouse gas concentrations, ice-sheet geometry and associated meltwater fluxes) occurring during the penultimate deglaciation. A deglaciation working group has recently been set up as part of the Paleoclimate Modelling Intercomparison Project (PMIP) phase 4, with a protocol to perform transient simulations of the last deglaciation (19–11 ka; although the protocol covers 26–0 ka). Similar to the last deglaciation, the disintegration of continental ice sheets during the penultimate deglaciation led to significant changes in the oceanic circulation during Heinrich Stadial 11 ( ∼136 –129 ka). However, the two deglaciations bear significant differences in magnitude and temporal evolution of climate and environmental changes. Here, as part of the Past Global Changes (PAGES)-PMIP working group on Quaternary interglacials (QUIGS), we propose a protocol to perform transient simulations of the penultimate deglaciation under the auspices of PMIP4. This design includes time-varying changes in orbital forcing, greenhouse gas concentrations, continental ice sheets as well as freshwater input from the disintegration of continental ice sheets. This experiment is designed for AOGCMs to assess the coupled response of the climate system ... |
format |
Article in Journal/Newspaper |
author |
L. Menviel E. Capron A. Govin A. Dutton L. Tarasov A. Abe-Ouchi R. N. Drysdale P. L. Gibbard L. Gregoire F. He R. F. Ivanovic M. Kageyama K. Kawamura A. Landais B. L. Otto-Bliesner I. Oyabu P. C. Tzedakis E. Wolff X. Zhang |
author_facet |
L. Menviel E. Capron A. Govin A. Dutton L. Tarasov A. Abe-Ouchi R. N. Drysdale P. L. Gibbard L. Gregoire F. He R. F. Ivanovic M. Kageyama K. Kawamura A. Landais B. L. Otto-Bliesner I. Oyabu P. C. Tzedakis E. Wolff X. Zhang |
author_sort |
L. Menviel |
title |
The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 |
title_short |
The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 |
title_full |
The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 |
title_fullStr |
The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 |
title_full_unstemmed |
The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 |
title_sort |
penultimate deglaciation: protocol for paleoclimate modelling intercomparison project (pmip) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 |
publisher |
Copernicus Publications |
publishDate |
2019 |
url |
https://doi.org/10.5194/gmd-12-3649-2019 https://doaj.org/article/18253b620b794af5914d7399ce1cda4b |
genre |
Ice Sheet |
genre_facet |
Ice Sheet |
op_source |
Geoscientific Model Development, Vol 12, Pp 3649-3685 (2019) |
op_relation |
https://www.geosci-model-dev.net/12/3649/2019/gmd-12-3649-2019.pdf https://doaj.org/toc/1991-959X https://doaj.org/toc/1991-9603 doi:10.5194/gmd-12-3649-2019 1991-959X 1991-9603 https://doaj.org/article/18253b620b794af5914d7399ce1cda4b |
op_doi |
https://doi.org/10.5194/gmd-12-3649-2019 |
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Geoscientific Model Development |
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