Mechanism Study of Transport and Distributions of Trace Metals in the Bohai Bay, China

Yuan yi Li, Huan Feng, De kui Yuan, Lei Guo, Di Mu

Research output: Contribution to journalArticleResearchpeer-review

Abstract

This study shows that there are two regions with high trace metal concentrations in the Bohai Bay, China. The numerical hydrodynamic model coupled with geochemical analysis was applied to understand the mass transport and sedimentation in the bay. The modeling results show that the two regions are located within the residual current vortexes. Results from the particle-tracking model indicate that the trace metals released from the land sources enter the regions and take a relatively long residence time in the vortexes. The sediment radionuclide data indicates that the two regions experienced continuous and high sedimentation, and trace metals are prone to deposit in the regions. The correlations among trace metals, residual currents and radionuclides data suggest that the tides are the governing factor controlling the distributions of the trace metals in the bay. The consistence among these results also supports the reliabilities of the numerical simulation results of water and trace metal transport in this study.

Original languageEnglish
Pages (from-to)73-85
Number of pages13
JournalChina Ocean Engineering
Volume33
Issue number1
DOIs
StatePublished - 1 Mar 2019

Fingerprint

trace metal
Sedimentation
Radioisotopes
radionuclide
Vortex flow
sedimentation
Tides
mass transport
distribution
Trace metals
residence time
Sediments
tide
Mass transfer
Deposits
Hydrodynamics
hydrodynamics
Computer simulation
sediment
modeling

Keywords

  • numerical model
  • radionuclides
  • residual current
  • sedimentation
  • sediments
  • trace metal

Cite this

Li, Yuan yi ; Feng, Huan ; Yuan, De kui ; Guo, Lei ; Mu, Di. / Mechanism Study of Transport and Distributions of Trace Metals in the Bohai Bay, China. In: China Ocean Engineering. 2019 ; Vol. 33, No. 1. pp. 73-85.
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abstract = "This study shows that there are two regions with high trace metal concentrations in the Bohai Bay, China. The numerical hydrodynamic model coupled with geochemical analysis was applied to understand the mass transport and sedimentation in the bay. The modeling results show that the two regions are located within the residual current vortexes. Results from the particle-tracking model indicate that the trace metals released from the land sources enter the regions and take a relatively long residence time in the vortexes. The sediment radionuclide data indicates that the two regions experienced continuous and high sedimentation, and trace metals are prone to deposit in the regions. The correlations among trace metals, residual currents and radionuclides data suggest that the tides are the governing factor controlling the distributions of the trace metals in the bay. The consistence among these results also supports the reliabilities of the numerical simulation results of water and trace metal transport in this study.",
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Mechanism Study of Transport and Distributions of Trace Metals in the Bohai Bay, China. / Li, Yuan yi; Feng, Huan; Yuan, De kui; Guo, Lei; Mu, Di.

In: China Ocean Engineering, Vol. 33, No. 1, 01.03.2019, p. 73-85.

Research output: Contribution to journalArticleResearchpeer-review

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AB - This study shows that there are two regions with high trace metal concentrations in the Bohai Bay, China. The numerical hydrodynamic model coupled with geochemical analysis was applied to understand the mass transport and sedimentation in the bay. The modeling results show that the two regions are located within the residual current vortexes. Results from the particle-tracking model indicate that the trace metals released from the land sources enter the regions and take a relatively long residence time in the vortexes. The sediment radionuclide data indicates that the two regions experienced continuous and high sedimentation, and trace metals are prone to deposit in the regions. The correlations among trace metals, residual currents and radionuclides data suggest that the tides are the governing factor controlling the distributions of the trace metals in the bay. The consistence among these results also supports the reliabilities of the numerical simulation results of water and trace metal transport in this study.

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