THE INFLUENCE OF SURFACE WIND ON THE SALINITY DISTRIBUTION AND CIRCULATION IN THE COASTAL WATERS OF THE RED RIVER DELTA, VIETNAM

Vu Duy Vinh, Katrijn Baetens, Patrick Luyten, Tran Anh Tu, Nguyen Thi Kim Anh
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Authors

  • Vu Duy Vinh Institute of Marine Environment and Resources-VAST
  • Katrijn Baetens Viện Khoa học tự nhiên Bỉ
  • Patrick Luyten Viện Khoa học tự nhiên Bỉ
  • Tran Anh Tu Institute of Marine Environment and Resources-VAST
  • Nguyen Thi Kim Anh Institute of Marine Environment and Resources-VAST

DOI:

https://doi.org/10.15625/1859-3097/13/1/3502

Abstract

A sufficiently well validated hydro-physics model for the coastal zone of the Red River delta area in Vietnam was presented. The development code was COHERENS V2.0, a three-dimensional hydrodynamic multi-purpose model for coastal and shelf seas based on the finite element method. The results of the model with 10 scenarios simulations show the role of wind condition combined with tidal oscillation and river discharge on salinity distri-bution and circulation of the red river coastal area. Wind NE in the dry season make increasing velocity of residual current, intensify salinity in the coastal zone and gradient of salinity on the vertical. On the other hand, wind SE in the rainy season makes intensify fresh water to seaward, increasing range of river water on the surface and seawater on the bottom in the coastal zone.

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Published

25-12-2014

How to Cite

Vinh, V. D., Baetens, K., Luyten, P., Tu, T. A., & Anh, N. T. K. (2014). THE INFLUENCE OF SURFACE WIND ON THE SALINITY DISTRIBUTION AND CIRCULATION IN THE COASTAL WATERS OF THE RED RIVER DELTA, VIETNAM. Vietnam Journal of Marine Science and Technology, 13(1), 12–20. https://doi.org/10.15625/1859-3097/13/1/3502

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