Sustained North Atlantic warming drove anomalously intense MIS 11c interglacial

Hsun Ming Hu; Gianluca Marino; Carlos Pérez-Mejías; Christoph Spötl; Yusuke Yokoyama; Jimin Yu; Eelco Rohling; Akihiro Kano; Patrick Ludwig; Joaquim G. Pinto; Véronique Michel; Patricia Valensi; Xin Zhang; Xiuyang Jiang; Horng Sheng Mii; Wei Yi Chien; Hsien Chen Tsai; Wen Hui Sung; Chia Hao Hsu; Elisabetta Starnini; Marta Zunino; Chuan Chou Shen

doi:10.1038/s41467-024-50207-1

Sustained North Atlantic warming drove anomalously intense MIS 11c interglacial

Hsun Ming Hu^*, Gianluca Marino^*, Carlos Pérez-Mejías, Christoph Spötl, Yusuke Yokoyama, Jimin Yu, Eelco Rohling, Akihiro Kano, Patrick Ludwig, Joaquim G. Pinto, Véronique Michel, Patricia Valensi, Xin Zhang, Xiuyang Jiang, Horng Sheng Mii, Wei Yi Chien, Hsien Chen Tsai, Wen Hui Sung, Chia Hao Hsu, Elisabetta StarniniMarta Zunino, Chuan Chou Shen^*

^*Corresponding author for this work

Department of Earth Sciences (Include Institute of Marine Environmental Science and Technology)

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The Marine Isotope Stage (MIS) 11c interglacial and its preceding glacial termination represent an enigmatically intense climate response to relatively weak insolation forcing. So far, a lack of radiometric age control has confounded a detailed assessment of the insolation-climate relationship during this period. Here, we present ²³⁰Th-dated speleothem proxy data from northern Italy and compare them with palaeoclimate records from the North Atlantic region. We find that interglacial conditions started in subtropical to middle latitudes at 423.1 ± 1.3 thousand years (kyr) before present, during a first weak insolation maximum, whereas northern high latitudes remained glaciated (sea level ~ 40 m below present). Some 14.5 ± 2.8 kyr after this early subtropical onset, peak interglacial conditions were reached globally, with sea level 6–13 m above present, despite weak insolation forcing. We attribute this remarkably intense climate response to an exceptionally long (~15 kyr) episode of intense poleward heat flux transport prior to the MIS 11c optimum.

Original language	English
Article number	5933
Journal	Nature Communications
Volume	15
Issue number	1
DOIs	https://doi.org/10.1038/s41467-024-50207-1
Publication status	Published - 2024 Dec

ASJC Scopus subject areas

General Chemistry
General Biochemistry,Genetics and Molecular Biology
General Physics and Astronomy

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1038/s41467-024-50207-1

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Hu, H. M., Marino, G., Pérez-Mejías, C., Spötl, C., Yokoyama, Y., Yu, J., Rohling, E., Kano, A., Ludwig, P., Pinto, J. G., Michel, V., Valensi, P., Zhang, X., Jiang, X., Mii, H. S., Chien, W. Y., Tsai, H. C., Sung, W. H., Hsu, C. H., ... Shen, C. C. (2024). Sustained North Atlantic warming drove anomalously intense MIS 11c interglacial. Nature Communications, 15(1), Article 5933. https://doi.org/10.1038/s41467-024-50207-1

Hu, HM, Marino, G, Pérez-Mejías, C, Spötl, C, Yokoyama, Y, Yu, J, Rohling, E, Kano, A, Ludwig, P, Pinto, JG, Michel, V, Valensi, P, Zhang, X, Jiang, X, Mii, HS, Chien, WY, Tsai, HC, Sung, WH, Hsu, CH, Starnini, E, Zunino, M & Shen, CC 2024, 'Sustained North Atlantic warming drove anomalously intense MIS 11c interglacial', Nature Communications, vol. 15, no. 1, 5933. https://doi.org/10.1038/s41467-024-50207-1

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abstract = "The Marine Isotope Stage (MIS) 11c interglacial and its preceding glacial termination represent an enigmatically intense climate response to relatively weak insolation forcing. So far, a lack of radiometric age control has confounded a detailed assessment of the insolation-climate relationship during this period. Here, we present 230Th-dated speleothem proxy data from northern Italy and compare them with palaeoclimate records from the North Atlantic region. We find that interglacial conditions started in subtropical to middle latitudes at 423.1 ± 1.3 thousand years (kyr) before present, during a first weak insolation maximum, whereas northern high latitudes remained glaciated (sea level ~ 40 m below present). Some 14.5 ± 2.8 kyr after this early subtropical onset, peak interglacial conditions were reached globally, with sea level 6–13 m above present, despite weak insolation forcing. We attribute this remarkably intense climate response to an exceptionally long (~15 kyr) episode of intense poleward heat flux transport prior to the MIS 11c optimum.",

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AU - Hu, Hsun Ming

AU - Marino, Gianluca

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AU - Yokoyama, Yusuke

AU - Yu, Jimin

AU - Rohling, Eelco

AU - Kano, Akihiro

AU - Ludwig, Patrick

AU - Pinto, Joaquim G.

AU - Michel, Véronique

AU - Valensi, Patricia

AU - Zhang, Xin

AU - Jiang, Xiuyang

AU - Mii, Horng Sheng

AU - Chien, Wei Yi

AU - Tsai, Hsien Chen

AU - Sung, Wen Hui

AU - Hsu, Chia Hao

AU - Starnini, Elisabetta

AU - Zunino, Marta

AU - Shen, Chuan Chou

PY - 2024/12

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N2 - The Marine Isotope Stage (MIS) 11c interglacial and its preceding glacial termination represent an enigmatically intense climate response to relatively weak insolation forcing. So far, a lack of radiometric age control has confounded a detailed assessment of the insolation-climate relationship during this period. Here, we present 230Th-dated speleothem proxy data from northern Italy and compare them with palaeoclimate records from the North Atlantic region. We find that interglacial conditions started in subtropical to middle latitudes at 423.1 ± 1.3 thousand years (kyr) before present, during a first weak insolation maximum, whereas northern high latitudes remained glaciated (sea level ~ 40 m below present). Some 14.5 ± 2.8 kyr after this early subtropical onset, peak interglacial conditions were reached globally, with sea level 6–13 m above present, despite weak insolation forcing. We attribute this remarkably intense climate response to an exceptionally long (~15 kyr) episode of intense poleward heat flux transport prior to the MIS 11c optimum.

AB - The Marine Isotope Stage (MIS) 11c interglacial and its preceding glacial termination represent an enigmatically intense climate response to relatively weak insolation forcing. So far, a lack of radiometric age control has confounded a detailed assessment of the insolation-climate relationship during this period. Here, we present 230Th-dated speleothem proxy data from northern Italy and compare them with palaeoclimate records from the North Atlantic region. We find that interglacial conditions started in subtropical to middle latitudes at 423.1 ± 1.3 thousand years (kyr) before present, during a first weak insolation maximum, whereas northern high latitudes remained glaciated (sea level ~ 40 m below present). Some 14.5 ± 2.8 kyr after this early subtropical onset, peak interglacial conditions were reached globally, with sea level 6–13 m above present, despite weak insolation forcing. We attribute this remarkably intense climate response to an exceptionally long (~15 kyr) episode of intense poleward heat flux transport prior to the MIS 11c optimum.

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Sustained North Atlantic warming drove anomalously intense MIS 11c interglacial

Abstract

ASJC Scopus subject areas

UN SDGs

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