Precession modulates the poleward expansion of atmospheric circulation to the Arctic Ocean
Abstract Under sustained global warming, Arctic climate is projected to become more responsive to changes in North Pacific meridional heat transport as a result of teleconnections between low and high latitudes, but the underlying mechanisms remain poorly understood. Here, we reconstruct subarctic h...
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Nature Portfolio
2025-01-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-025-56542-1 |
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| author | Yi Zhong Zhengyao Lu Stefanie Kaboth-Bahr Jimin Yu Keiji Horikawa Mark J. Dekkers Juan C. Larrasoaña Peter D. Clift Michael E. Weber Flor Vermassen Sev Kender Chijun Sun Hu Yang Xianfeng Wang Camilla S. Andresen Yanguang Liu Haiwei Zhang Zhengyang Dai Lu Niu Jingyu Zhang Xuguang Feng Debo Zhao Wenyue Xia Sheng Yang Hai Li Qingsong Liu |
| author_facet | Yi Zhong Zhengyao Lu Stefanie Kaboth-Bahr Jimin Yu Keiji Horikawa Mark J. Dekkers Juan C. Larrasoaña Peter D. Clift Michael E. Weber Flor Vermassen Sev Kender Chijun Sun Hu Yang Xianfeng Wang Camilla S. Andresen Yanguang Liu Haiwei Zhang Zhengyang Dai Lu Niu Jingyu Zhang Xuguang Feng Debo Zhao Wenyue Xia Sheng Yang Hai Li Qingsong Liu |
| author_sort | Yi Zhong |
| collection | DOAJ |
| description | Abstract Under sustained global warming, Arctic climate is projected to become more responsive to changes in North Pacific meridional heat transport as a result of teleconnections between low and high latitudes, but the underlying mechanisms remain poorly understood. Here, we reconstruct subarctic humidity changes over the past 400 kyr to investigate the role of low-to-high latitude interactions in regulating Arctic hydroclimate. Our reconstruction is based on precipitation-driven sediment input variations in the Subarctic North Pacific (SANP), which reveal a strong precessional cycle in subarctic humidity under the relatively low eccentricity variations that dominated the past four glacial-interglacial cycles. Combined with climate model simulations, we highlight that precession drives meridional shifts in the northern rim of the North Pacific Subtropical Gyre (NPSG) and modulates the efficiency of heat and water vapor transfer to the SANP and Arctic regions. Our findings suggest that projections of a northward shift of the NPSG in response to future global warming will lead to wetter conditions in the Arctic Ocean and enhanced sea-ice loss. |
| format | Article |
| id | doaj-art-4b6f306df0b14ac7b790bd42f652f950 |
| institution | Kabale University |
| issn | 2041-1723 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj-art-4b6f306df0b14ac7b790bd42f652f9502025-02-02T12:32:28ZengNature PortfolioNature Communications2041-17232025-01-0116111010.1038/s41467-025-56542-1Precession modulates the poleward expansion of atmospheric circulation to the Arctic OceanYi Zhong0Zhengyao Lu1Stefanie Kaboth-Bahr2Jimin Yu3Keiji Horikawa4Mark J. Dekkers5Juan C. Larrasoaña6Peter D. Clift7Michael E. Weber8Flor Vermassen9Sev Kender10Chijun Sun11Hu Yang12Xianfeng Wang13Camilla S. Andresen14Yanguang Liu15Haiwei Zhang16Zhengyang Dai17Lu Niu18Jingyu Zhang19Xuguang Feng20Debo Zhao21Wenyue Xia22Sheng Yang23Hai Li24Qingsong Liu25Centre for Marine Magnetism (CM2, Department of Ocean Science and Engineering, Southern University of Science and TechnologyDepartment of Physical Geography and Ecosystem Science, Lund UniversityInstitute of Geological Sciences, Frei Universität BerlinLaoshan LaboratoryFaculty of Science, Academic Assembly, University of ToyamaPaleomagnetic Laboratory ‘Fort Hoofddijk’, Department of Earth Sciences, Faculty of Geosciences, Utrecht UniversityDepartamento de Ciencias, Universidad Pública de Navarra, Campus de ArrosadiaDepartment of Earth Sciences, University College LondonInstitute for Geosciences, Department of Geochemistry and Petrology, University of BonnDepartment of Geological Sciences, Stockholm UniversityCamborne School of Mines, Department of Earth and Environment Sciences, University of ExeterDepartment of Earth and Planetary Sciences, University of California DavisSouthern Marine Science and Engineering Guangdong Laboratory (Zhuhai)Earth Observatory of Singapore and Asian School of the Environment, Nanyang Technological UniversityGeological Survey of Denmark and Greenland, Department of Glaciology and Climate, Øster Voldgade10, 1350Key Laboratory of Marine Geology and Metallogeny, First Institute of Oceanography, Ministry of Natural Resources (MNR)Institute of Global Environmental Change, Xi’an Jiaotong UniversityCentre for Marine Magnetism (CM2, Department of Ocean Science and Engineering, Southern University of Science and TechnologyAlfred-Wegener-Institut Helmholtz-Zentrum für Polar- und MeeresforschungCentre for Marine Magnetism (CM2, Department of Ocean Science and Engineering, Southern University of Science and TechnologyKey Laboratory of Marine Geology and Metallogeny, First Institute of Oceanography, Ministry of Natural Resources (MNR)Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of SciencesCentre for Marine Magnetism (CM2, Department of Ocean Science and Engineering, Southern University of Science and TechnologyCentre for Marine Magnetism (CM2, Department of Ocean Science and Engineering, Southern University of Science and TechnologySouthern Marine Science and Engineering Guangdong Laboratory (Guangzhou)Centre for Marine Magnetism (CM2, Department of Ocean Science and Engineering, Southern University of Science and TechnologyAbstract Under sustained global warming, Arctic climate is projected to become more responsive to changes in North Pacific meridional heat transport as a result of teleconnections between low and high latitudes, but the underlying mechanisms remain poorly understood. Here, we reconstruct subarctic humidity changes over the past 400 kyr to investigate the role of low-to-high latitude interactions in regulating Arctic hydroclimate. Our reconstruction is based on precipitation-driven sediment input variations in the Subarctic North Pacific (SANP), which reveal a strong precessional cycle in subarctic humidity under the relatively low eccentricity variations that dominated the past four glacial-interglacial cycles. Combined with climate model simulations, we highlight that precession drives meridional shifts in the northern rim of the North Pacific Subtropical Gyre (NPSG) and modulates the efficiency of heat and water vapor transfer to the SANP and Arctic regions. Our findings suggest that projections of a northward shift of the NPSG in response to future global warming will lead to wetter conditions in the Arctic Ocean and enhanced sea-ice loss.https://doi.org/10.1038/s41467-025-56542-1 |
| spellingShingle | Yi Zhong Zhengyao Lu Stefanie Kaboth-Bahr Jimin Yu Keiji Horikawa Mark J. Dekkers Juan C. Larrasoaña Peter D. Clift Michael E. Weber Flor Vermassen Sev Kender Chijun Sun Hu Yang Xianfeng Wang Camilla S. Andresen Yanguang Liu Haiwei Zhang Zhengyang Dai Lu Niu Jingyu Zhang Xuguang Feng Debo Zhao Wenyue Xia Sheng Yang Hai Li Qingsong Liu Precession modulates the poleward expansion of atmospheric circulation to the Arctic Ocean Nature Communications |
| title | Precession modulates the poleward expansion of atmospheric circulation to the Arctic Ocean |
| title_full | Precession modulates the poleward expansion of atmospheric circulation to the Arctic Ocean |
| title_fullStr | Precession modulates the poleward expansion of atmospheric circulation to the Arctic Ocean |
| title_full_unstemmed | Precession modulates the poleward expansion of atmospheric circulation to the Arctic Ocean |
| title_short | Precession modulates the poleward expansion of atmospheric circulation to the Arctic Ocean |
| title_sort | precession modulates the poleward expansion of atmospheric circulation to the arctic ocean |
| url | https://doi.org/10.1038/s41467-025-56542-1 |
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