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利用2012年4月份浒苔藻早期调查数据和海洋模型FVCOM,对浒苔早期发生地的苏北海域进行水动力模拟,分析浒苔在该海域发生和聚集的动力学成因。结果表明,浒苔最初还是发生在南通启东沿海,尤其是小洋口外的太阳岛附近应当是浒苔早期暴发的主要发源地之一,并逐渐向北和外海发展,吕四附近的沿岸应当不是早期浒苔暴发的发源地,浒苔大部分都位于辐射沙洲的槽沟附近。模拟结果发现,由于潮流的作用导致早期浒苔聚集并也呈与辐射沙洲相一致放射状的条带状或斑块状分布,黄海苏北浅滩潮致锋面上升流是诱发浒苔早期暴发的因素之一。
Based on the early investigation data of Enteromorpha prolifera in April 2012 and the FVCOM model of ocean, the hydrodynamic simulation of the northern Jiangsu sea area during the early stage of Enteromorpha prolifera was carried out to analyze the kinetic causes of Enteromorpha growing and aggregating in this area. The results showed that Enteromorpha first occurred in the coast of Qidong of Nantong, especially near the Sun Island outside the mouth of the ocean. It should be one of the main sources of early outbreak of Enteromorpha and gradually develop to the north and the outer sea. The coast near Lu Si should not be the early stage The origin of Enteromorpha outbreak, most of the Enteromorpha are located near the trough of the radiation sandbar. The simulation results show that due to the trend of the trend leads to early Enteromorpha aggregation and also with radial sand bar consistent radial radial banding or plaque-like distribution, the Yellow Sea North Jiangsu Shallow tide induced frontal upflow is the main factor inducing Enteromorpha outbreak one.