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Physical Forcing-Driven Productivity and Sediment Flux to the Deep Basin of Northern South China Sea: A Decadal Time Series Study

Author

Listed:
  • Hon-Kit Lui

    (Taiwan Ocean Research Institute, National Applied Research Laboratories, Kaohsiung 80143, Taiwan
    Department of Oceanography, National Sun Yat-sen University, Kaohsiung 80424, Taiwan)

  • Kuang-Yu Chen

    (Taiwan Ocean Research Institute, National Applied Research Laboratories, Kaohsiung 80143, Taiwan
    Geosat Aerospace and Technology Inc., Tainan 701, Taiwan)

  • Chen-Tung Arthur Chen

    (Department of Oceanography, National Sun Yat-sen University, Kaohsiung 80424, Taiwan)

  • Bo-Shian Wang

    (Taiwan Ocean Research Institute, National Applied Research Laboratories, Kaohsiung 80143, Taiwan)

  • Hui-Ling Lin

    (Taiwan Ocean Research Institute, National Applied Research Laboratories, Kaohsiung 80143, Taiwan
    Department of Oceanography, National Sun Yat-sen University, Kaohsiung 80424, Taiwan)

  • Shih-Hu Ho

    (Taiwan Ocean Research Institute, National Applied Research Laboratories, Kaohsiung 80143, Taiwan)

  • Chiung-Jung Tseng

    (Taiwan Ocean Research Institute, National Applied Research Laboratories, Kaohsiung 80143, Taiwan)

  • Yih Yang

    (Taiwan Ocean Research Institute, National Applied Research Laboratories, Kaohsiung 80143, Taiwan)

  • Jui-Wen Chan

    (Taiwan Ocean Research Institute, National Applied Research Laboratories, Kaohsiung 80143, Taiwan)

Abstract

Understanding the driving forces of absorption of anthropogenic CO 2 by the oceans is critical for a sustainable ocean carbon cycle. Decadal sinking particle flux data collected at 1000 m, 2000 m, and 3500 m at the South East Asia Time Series Study (SEATS) Station (18° N, 116° E), which was located in the northern South China Sea (nSCS), show that the fluxes undergo strong seasonal and interannual variability. Changes in the flux data are correlated with the satellite-derived chlorophyll- a concentration, indicating that the mass fluxes of the sinking particles are largely controlled by the export production at or near the SEATS station. The cooling of seawater and the strengthening of wind in winter increase the nutrient inventories in the euphotic zone, thus also increasing export production in the nSCS. This study reveals that the intrusion of low-nutrient seawater from the West Philippine Sea into the nSCS significantly reduces the productivity, and hence the flux, of sinking particles.

Suggested Citation

  • Hon-Kit Lui & Kuang-Yu Chen & Chen-Tung Arthur Chen & Bo-Shian Wang & Hui-Ling Lin & Shih-Hu Ho & Chiung-Jung Tseng & Yih Yang & Jui-Wen Chan, 2018. "Physical Forcing-Driven Productivity and Sediment Flux to the Deep Basin of Northern South China Sea: A Decadal Time Series Study," Sustainability, MDPI, vol. 10(4), pages 1-10, March.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:4:p:971-:d:138204
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    References listed on IDEAS

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    1. Yan Bai & Xianqiang He & Shujie Yu & Chen-Tung Arthur Chen, 2018. "Changes in the Ecological Environment of the Marginal Seas along the Eurasian Continent from 2003 to 2014," Sustainability, MDPI, vol. 10(3), pages 1-15, February.
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    Cited by:

    1. Teng Li & Yan Bai & Xianqiang He & Xiaoyan Chen & Chen-Tung Arthur Chen & Bangyi Tao & Delu Pan & Xuan Zhang, 2018. "The Relationship between POC Export Efficiency and Primary Production: Opposite on the Shelf and Basin of the Northern South China Sea," Sustainability, MDPI, vol. 10(10), pages 1-22, October.
    2. Charissa M. Ferrera & Gil S. Jacinto & Chen-Tung Arthur Chen & Hon-Kit Lui, 2018. "Organic Carbon Concentrations in High- and Low-Productivity Areas of the Sulu Sea," Sustainability, MDPI, vol. 10(6), pages 1-19, June.

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