Thereby, fuzzy method was adopted to evaluate TP and TN of twelve measure sits in Chaohu Lake and the eutrophication driving exponent (EDE) was originated to present the water eutrophication level.

• 方法应用模糊数学方法分别对巢湖12个监测点的总氮质量浓度(TN)、总磷质量浓度(TP)进行评价，同时提出富营养化驱动指数概念来综合反映各监测点附近水体的富营养化程度。