Ocean Science
Ocean Science
OS
Articles | Volume 19, issue 2
Articles | Volume 19, issue 2
https://doi.org/10.5194/os-19-453-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-19-453-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 2
Research article
 | 
17 Apr 2023
Research article |  | 17 Apr 2023

Intraseasonal variability of the South Vietnam upwelling, South China Sea: influence of atmospheric forcing and ocean intrinsic variability

Marine Herrmann, Thai To Duy, and Claude Estournel

Data sets

Daily surface temperature and current from a 10 members ensemble simulation of June-September 2018 over the South China Sea M. Herrmann, T. To Duy, and C. Estournel https://doi.org/10.5281/zenodo.7504087

Model code and software

Energy conservation issues in sigma-coordinate free-surface ocean models (https://sirocco.obs-mip.fr/ocean-models/s-model/download/) P. Marsaleix, F. Auclair, J. W. Floor, M. J. Herrmann,C. Estournel, I. Pairaud, and C. Ulses https://doi.org/10.1016/j.ocemod.2007.07.005

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Short summary
The South Vietnam upwelling develops in summer along and off the Vietnamese coast. It brings cold and nutrient-rich waters to the surface, allowing photosynthesis essential to marine ecosystems and fishing resources. We show here that its daily variations are mainly due to the wind, thus predictable, in the southern shelf and coastal regions. However, they are more chaotic in the offshore area, and especially in the northern area, due to the influence of eddies of a highly chaotic nature.
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