【摘要】 如今社会经济发展对水环境带来破坏,大量河流出现水质恶化现象,对黄河兰州段水质进行评价,可以了解黄河兰州段水质状况,对把控城市水安全具有重要意义。针对评价结果,做好有效处理措施。选取2017年新城桥、什川桥两断面的pH、水温、浊度、溶解氧、电导率、氨氮和高锰酸盐指数7项指标的监测数据,运用和谐论定量方法—和谐度方程(HDE)确定兰州段水质,为水质评价提供新的评价模型。最终得出黄河兰州段水质为Ⅲ类水,符合实际情况。和谐度方程评价方法具有简便、灵活、可靠的特点,可为实际工作应用提供参考。更多还原

【Abstract】 Nowadays, social and economic development has caused damage to the water environment, and water quality deterioration has occurred in a large number of rivers. The evaluation of the water quality of the Lanzhou section of the Yellow River can understand the water quality of the Lanzhou section of the Yellow River and is of great significance for controlling urban water security. According to the evaluation results, the effective treatment measures should be done. The monitoring data of PH, water temperature, turbidity, dissolved oxygen, conductivity, ammonia nitrogen and permanganate index of two sections of Xincheng Bridge and Shichuan Bridge in 2017 are selected. The Harmony Theory Quantitative Method Harmonic Degree Equation(HDE) is used to determine the water quality of Lanzhou Section, and provides a new evaluation model for water quality assessment. Finally, it is concluded that the water quality of Lanzhou Section of the Yellow River has the third-class water, which is in line with the actual situation. The evaluation method of the harmony degree equation is simple, flexible and reliable, and can provide reference for practical work application.更多还原