We used grey forecast method to establish grey forecast model of Cu in water of Tongling section of Changjiang river on the basis of monitoring data of Cu in water in recent 5 years.

• 以近5年来长江铜陵段特征污染因子铜的监测数据为基础,采用灰色系统理论中的预测方法,建立了长江铜陵段水环境中金属铜的灰色预测模型。