External forcing mechanisms controlling the Qiongdong upwelling in the northern South China Sea during the Holocene

Understanding the impacts of climate change on oceanic carbon cycling is important from a carbon sequestration perspective. A sediment trap study focused on the biological carbon pump system in the Ulleung Basin (UB) in the southwestern part of the East Sea (Japan Sea) was conducted from 2011 to 2017. Particulate organic carbon (POC) flux significantly increased by 37, 56, and 43% from 2014 to 2016 during the El Niño phase. We examined data related to water current variability, such as sea surface height, current velocity, and eddy frequency to understand their roles in particle transport. In addition, a Martin curve was employed to analyze the rate of vertical attenuation of POC flux in the UB. Current variability could be the most important factor influencing the increase in sinking-particle flux during the El Niño phase. Supplementary Information The online version contains supplementary material available at 10.1038/s41598-024-74818-2.

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External forcing mechanisms controlling the Qiongdong upwelling in the northern South China Sea during the Holocene

Cited by 2 publications

References 106 publications

Triggering of a 2500-year coral shutdown in northern South China Sea by coupled East Asian Monsoon and El Niño–Southern Oscillation

Triggering of a 2500-year coral shutdown in northern South China Sea by coupled East Asian Monsoon and El Niño–Southern Oscillation

Statistical analysis of the association between El Niño and the biological carbon pump in the East Sea (Japan Sea)

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