城市环境水质模型综述

In urban environment, due to the expansion of human production and life, the sources of water pollution are variety, and pollution nature is more complex. In different urban areas and different seasons, water quality problems often performance in different forms.For urban water pollution, this paper describes several common water quality models, and elaborates their main principles and the application conditions. At the same time,the paper also introductions several kinds of new technologies and new theories be used in water quality model,which bring new developments and prospects to water quality models.