Factors Influencing the Spatio-Temporal Distribution of Chlorophyll-a in Jinmeng Bay, China

Dan Wang, Cuiping Kuang, Gang Wang, Jiantao Liu, Wei Song, Rongrong Xing, Qingping Zou

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1 Citation (Scopus)
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Field observations were combined with a coupled hydrodynamic and water quality model to investigate the spatial and temporal variation in Chlorophyll-a (Chl-a) in Jinmeng Bay, China. The relatively high Chl-a values were distributed in the inshore waters, mainly due to the abundant nutrient inflow from the Tanghe River. The model’s results indicate that the Chl-a concentration was much higher in seaweed beds surrounded by artificial islands and reefs under the southeasterly wind, largely due to the fact that pollutants are prone to accumulate in coastal areas where flow is attenuated by the presence of natural and artificial marine structures. It was also found that the southwesterly winds suppress the inflow of nutrients from the Tanghe River to the coastal areas, and, therefore, lower the Chl-a levels. River input and wind forcing are the major factors that influence Chl-a concentrations in the anthropogenically influenced bay. This finding provides useful guidance for the prediction and mitigation of green tides in Jinmeng Bay in the future.
Original languageEnglish
Article number384
JournalJournal of Marine Science and Engineering
Issue number3
Early online date23 Feb 2024
Publication statusPublished - Mar 2024


  • Chlorophyll-a concentration
  • numerical modeling
  • nutrients
  • residual current
  • wind

ASJC Scopus subject areas

  • Water Science and Technology
  • Ocean Engineering
  • Civil and Structural Engineering


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