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特殊风场条件对太湖蓝藻水华迁移的影响研究 被引量:6

Study on Movement of Cyanobacteria Bloom with Special Wind-field Condition in Taihu Lake
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摘要 在高温、微风气象条件下,适宜蓝藻水华形成。在特殊非均一风场的驱动下,太湖蓝藻水华迁移过程与被均匀风场驱动有所不同。选取太湖典型风向进行分析,并采用三维水动力水质模型对表面非均一风场条件下的风生流流场及水质进行模拟,结果表明,在特殊非均一风场的驱动下,当太湖蓝藻浓度较高时,容易在西部湖区特别在竺山湖、梅梁湾湾内、岸边及湾口聚集,形成水华暴发,这有助于研究太湖污染物及蓝藻水华的输移及空间分布和机理。 High temperature and gentle breeze would create special weather condition of cyanobacteria bloom.A divergence wind field was frequently found above the surface of the Taihu Lake under the weather condition.Driven by divergence wind field or single wind field,the movement of cyanobacteria bloom formed a different transfer path.After water flow field and water quality of the Taihu Lake were simulated under the divergence wind field,results showed that cyanobacteria would easily gather in western area of the Taihu Lake under the divergence wind field,particularly in shore of Zhushan lake and Meiliang bay.The research would help know space distribution and understand moving mechanism of pollutants and cyanobacteria bloom in the Taihu Lake.
出处 《环境监测管理与技术》 2012年第3期29-34,共6页 The Administration and Technique of Environmental Monitoring
基金 "十一五"国家科技支撑计划基金资助项目(2008BAB42B08 2009ZX07528-005-02) 南京水利科学研究院青年基金资助项目(Y510004) 江苏环境监测基金资助项目(1021)
关键词 蓝藻水华 辐散风场 水质模型 水华迁移 太湖 Cyanobacteria bloom Divergence wind field Water-quality simulation model Cyanobacteria bloom transfer path Taihu Lake
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