【摘要】 根据北京城区河湖监测资料,应用多元统计方法,分析了河湖中叶绿素a与磷、氮等营养物和其他水质指标的相互关系。结果表明北京城区河湖在藻类生长旺季,氮营养盐为藻类生长的主要影响因素,城区河湖富营养化正处于发展阶段。更多还原

【Abstract】 Based on monitored data, the paper analyses the correlation of Chl-a with TN, TP and other variables by means of linear regression, Pearson correlation and hierarchical clustering of the parameters. It is revealed that TN is the main factor that influences the growth of algae during the period of algae bloom. Eutrophication of the river and lake in urban district of Beijing are developing.更多还原