珠江河口氮和磷循环及溶解氧的数值模拟 Ⅱ.模拟结果
Modeling nitrogen and phosphorus cycles and dissolved oxygen in the Zhujiang River Estuary Part Ⅱ. Model results
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摘要: 将生态型水质模式应用于珠江口模拟研究,模式结果较好地再现了珠江口丰水期营养物质和溶解氧的水平及垂直分布趋势,说明模式已抓住了珠江河口的动力和生化变化的关键过程.进一步的研究表明,丰水期珠江河口计算区域氮处于富裕状态,磷和光照控制着浮游植物的生长.Abstract: The ecosystem based water quality model is applied to the Zhujiang River Estuary.The model results successfully represent the distribution trend of nutrients and dissolved oxygen both in the horiwntal and vertical planes during the flood season, and it shows that the model has taken into consideration the key part of the dynamical, chemical and biological processes existing in the Zhujiang River Estuary.The further studies illustrate that nitrogen is in plenty while phosphorus and light limit the phytoplankton biomass in the Zhujiang Estuary during the flood season.
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Key words:
- the Zhujiang River Estuary /
- nutrient /
- chlorophylla /
- dissolved oxygen
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