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Arctic sea ice loss warmed the temperate East Asian winter in the mid-Holocene

Dong, Jiang ; Shi, Xuefa ; Dai, Haijin ; Lu, Zhengyao LU ; Liu, Xiting ; Astakhov, Anatolii S. ; Hu, Limin ; Yang, Gang ; Vasilenko, Yuri and Bosin, Alexander , et al. (2024) In Communications Earth and Environment 5(1).
Abstract

The recent colder winters in midlatitude Eurasia have been proposed to result from Arctic sea-ice decline. However, large uncertainties remain regarding this link in the present variable climate. Here, we present ice-rafted debris records from the eastern Arctic and geochemical data from the temperate East China Sea to reconstruct Holocene changes in sea ice and the East Asian winter monsoon. Our reconstructions and climate numerical simulations revealed enhanced Arctic sea-ice decline but warmer winters in East Asia in the mid-Holocene than in the late Holocene. In the warmer mid-Holocene, enhanced Arctic sea-ice loss transferred more heat from intensive summer solar insolation to the winter atmosphere, suppressing meridional heat... (More)

The recent colder winters in midlatitude Eurasia have been proposed to result from Arctic sea-ice decline. However, large uncertainties remain regarding this link in the present variable climate. Here, we present ice-rafted debris records from the eastern Arctic and geochemical data from the temperate East China Sea to reconstruct Holocene changes in sea ice and the East Asian winter monsoon. Our reconstructions and climate numerical simulations revealed enhanced Arctic sea-ice decline but warmer winters in East Asia in the mid-Holocene than in the late Holocene. In the warmer mid-Holocene, enhanced Arctic sea-ice loss transferred more heat from intensive summer solar insolation to the winter atmosphere, suppressing meridional heat transport; thus, less high-latitude cold air moved to lower latitudes in Asia due to the weakened winter monsoon. Our findings imply that the colder winters in East Asia may not change the long-term trend toward winter warming in the context of Arctic sea-ice decline.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Communications Earth and Environment
volume
5
issue
1
article number
401
publisher
Springer Nature
external identifiers
  • scopus:85199425912
ISSN
2662-4435
DOI
10.1038/s43247-024-01559-5
language
English
LU publication?
yes
id
78e559df-0ad0-4c99-a052-549613a82d8e
date added to LUP
2024-08-26 15:28:25
date last changed
2025-04-04 14:18:46
@article{78e559df-0ad0-4c99-a052-549613a82d8e,
  abstract     = {{<p>The recent colder winters in midlatitude Eurasia have been proposed to result from Arctic sea-ice decline. However, large uncertainties remain regarding this link in the present variable climate. Here, we present ice-rafted debris records from the eastern Arctic and geochemical data from the temperate East China Sea to reconstruct Holocene changes in sea ice and the East Asian winter monsoon. Our reconstructions and climate numerical simulations revealed enhanced Arctic sea-ice decline but warmer winters in East Asia in the mid-Holocene than in the late Holocene. In the warmer mid-Holocene, enhanced Arctic sea-ice loss transferred more heat from intensive summer solar insolation to the winter atmosphere, suppressing meridional heat transport; thus, less high-latitude cold air moved to lower latitudes in Asia due to the weakened winter monsoon. Our findings imply that the colder winters in East Asia may not change the long-term trend toward winter warming in the context of Arctic sea-ice decline.</p>}},
  author       = {{Dong, Jiang and Shi, Xuefa and Dai, Haijin and Lu, Zhengyao and Liu, Xiting and Astakhov, Anatolii S. and Hu, Limin and Yang, Gang and Vasilenko, Yuri and Bosin, Alexander and Gao, Jingjing and Liu, Yanguang and Zou, Jianjun and Yao, Zhengquan and Li, Anchun}},
  issn         = {{2662-4435}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{Springer Nature}},
  series       = {{Communications Earth and Environment}},
  title        = {{Arctic sea ice loss warmed the temperate East Asian winter in the mid-Holocene}},
  url          = {{http://dx.doi.org/10.1038/s43247-024-01559-5}},
  doi          = {{10.1038/s43247-024-01559-5}},
  volume       = {{5}},
  year         = {{2024}},
}