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A model for the prediction of harmful algae blooms in the Vietnamese upwelling area

机译:越南上升流区有害藻类繁殖的预测模型

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摘要

Satellite pictures and in situ observations indicate strong phytoplankton blooms including harmful algae blooms (HABs) during southwest (SW) summer monsoon in the Vietnamese upwelling area. In this period, nutrients are provided by coastal upwelling and by the very high river runoff from the Mekong River. During SW monsoon, in general two circulation patterns exist which allow the prediction of advection and diffusion of HAB patches. A Lagrangian HAB model that is driven by a circulation model and applied to HABs in Vietnamese waters is presented. Advection which is the most complicated part in modelling transport of passive substances is validated with a Lagrangian sediment trap experiment. The model produces realistic results compared to in situ observations and satellite images and might be used for real time forecast in the future.
机译:卫星图片和实地观测表明,在越南上升区西南风(西南季风)期间,浮游植物大量繁殖,包括有害藻类繁殖(HAB)。在此期间,营养物质是由沿海上升流和湄公河的高径流量提供的。在西南季风期间,通常存在两种循环模式,可以预测HAB斑块的对流和扩散。提出了由循环模型驱动并应用于越南水域HABs的拉格朗日HAB模型。对流是被动物质传输模型中最复杂的部分,已通过拉格朗日沉积物捕集实验进行了验证。与原位观测和卫星图像相比,该模型可产生逼真的结果,并且将来可能会用于实时预测。

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