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South China Sea records Late Miocene reorganization of western Pacific deep circulation

Author

Listed:
  • Shan Liu

    (Sun Yat-sen University
    Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)
    Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering)

  • Hui Chen

    (Sun Yat-sen University
    Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)
    Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering)

  • Ming Su

    (Sun Yat-sen University
    Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)
    Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering)

  • Kunwen Luo

    (Sun Yat-sen University)

  • Jiawang Wu

    (Sun Yat-sen University)

  • Ya Gao

    (Sun Yat-sen University)

  • Zheng Meng

    (Sun Yat-sen University)

  • Sara Rodrigues

    (Royal Holloway University of London)

  • Debora Duarte

    (Heriot-Watt University)

  • Zhi Lin Ng

    (Sun Yat-sen University)

  • Zhen Sun

    (Chinese Academy of Sciences)

  • Haiteng Zhuo

    (Sun Yat-sen University
    Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai))

  • Xinong Xie

    (China University of Geosciences)

Abstract

Oceanic gateways play a crucial role in controlling global ocean circulation. However, gateway effects on low-latitude deep-water circulation are poorly understood. The South China Sea, located in the western Pacific, was influenced by changes in the equatorial and low-latitude gateways, which recorded significant oceanographic variations since the Oligocene. Here, we identify contourite features in the deep South China Sea from seismic data and drill cores from Ocean Drilling Program Leg 184 and International Ocean Discovery Program Expeditions 349 and 367/368, as evidence for the influence of Circumpolar Deep Water originating from the eastern Indian Ocean until ca. 10 Ma. Final closure of the deep Indonesian Gateway at ca. 10 Ma caused disruption of the deep-water connection between the Pacific and Indian Oceans and a reorganization of global deep-water circulation. These changes in gateway tectonics may significantly contribute to the Middle to Late Miocene global climate and oceanic conditions.

Suggested Citation

  • Shan Liu & Hui Chen & Ming Su & Kunwen Luo & Jiawang Wu & Ya Gao & Zheng Meng & Sara Rodrigues & Debora Duarte & Zhi Lin Ng & Zhen Sun & Haiteng Zhuo & Xinong Xie, 2024. "South China Sea records Late Miocene reorganization of western Pacific deep circulation," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-54739-4
    DOI: 10.1038/s41467-024-54739-4
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    References listed on IDEAS

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    1. Priyesh Prabhat & Waliur Rahaman & Nambiyathodi Lathika & Mohd Tarique & Ravi Mishra & Meloth Thamban, 2022. "Modern-like deep water circulation in Indian Ocean caused by Central American Seaway closure," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
    2. Rong Hu & Alexander M. Piotrowski, 2018. "Neodymium isotope evidence for glacial-interglacial variability of deepwater transit time in the Pacific Ocean," Nature Communications, Nature, vol. 9(1), pages 1-12, December.
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