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Numerical experiments of HAB inducement in Qingdao adjacent coastal area

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Abstract

A three-dimension ecological dynamic model was established to numerically study the relationship of HAB and environmental conditions. The numerical experiments showed that the growth of diatom, the dominant HAB specie, was mainly restricted by phosphate and silicate. If the concentrations of phosphate and silicate reach 17–25 µg/L and 300–375 µg/L respectively, the water is in a state of eutrophication. When phosphate and silicate up to 26–32 µg/L and 350–500 µg/L respectively, HAB could be induced. The major regions of HAB occurrence are Jiaozhou Bay mouth, coastal bays, and coastal area from Maidao to Shilaoren. To avoid HAB occurrence, concentration of phosphate and silicate should not exceed 17–20 µg/L and 300 µg/L as a whole. Reasonable control of pollutant discharge is a key point to prevent water eutrophication and HAB occurrence.

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Authors and Affiliations

  1. College of Physical and Environmental Oceanography, Ocean University of China, Qingdao, 266100, China

    Xuehai Liu

  2. First Institute of Oceanography, State Oceanic Administration, Qingdao, 266061, China

    Xuehai Liu, Ruixiang Li & Yeli Yuan

  3. Key Laboratory of Marine Science and Numerical Modeling, State Oceanic Administration, First Institute of Oceanography, State Oceanic Administration, Qingdao, 266061, China

    Xuehai Liu & Yeli Yuan

Authors
  1. Xuehai Liu
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  2. Ruixiang Li
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  3. Yeli Yuan
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Corresponding author

Correspondence to Xuehai Liu.

Additional information

Foundation item: The Qingdao Ocean and Fishery Office funded project-HAB prewarning of Qingdao Olympics sailing field under contract No. HB2007002.

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Liu, X., Li, R. & Yuan, Y. Numerical experiments of HAB inducement in Qingdao adjacent coastal area. Acta Oceanol. Sin. 29, 109–120 (2010). https://doi.org/10.1007/s13131-010-0069-0

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  • DOI: https://doi.org/10.1007/s13131-010-0069-0

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