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首页> 外文期刊>Journal of Environmental Science and Health >Simulation of water quality and plankton dynamics in the Danshuei River estuary, Taiwan
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Simulation of water quality and plankton dynamics in the Danshuei River estuary, Taiwan

机译：台湾淡水河口水质和浮游生物动力学模拟

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摘要

An ecosystem model was developed to simulate the water quality and plankton dynamics in the Danshuei River estuary, Taiwan. The model simulates the hydrodynamics with a laterally integrated 2-dimensional intratidal numerical model, which supplies the physical transport processes for simulation of water quality and plankton state variables. The application of the model to the Danshuei River estuary indicates that the point source loadings are mainly responsible for the degraded water quality and very high nutrient concentrations in the estuary. The impacts of wastewater discharges are tightly controlled by the transport processes. Frequent occurrence of high river flow and flood events rapidly cleanses the estuary by flushing out both pollutants and plankton populations. The plankton is allowed to grow to significant populations if low river flow lasts for a period much longer than the biological time scale.
机译：开发了一个生态系统模型来模拟台湾淡水河河口的水质和浮游生物动态。该模型使用横向集成的二维潮汐内数值模型来模拟水动力，该模型为模拟水质和浮游生物状态变量提供了物理传输过程。该模型在淡水河口的应用表明，点源负荷主要是造成河口水质下降和营养物浓度很高的原因。废水排放的影响受到运输过程的严格控制。频繁发生的高流量河流和洪水事件会冲刷出污染物和浮游生物，从而迅速清洁河口。如果河水流量低的持续时间比生物时间尺度长得多，则浮游生物可以生长到大量人口。

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