Review on research of pollution in Haihe River

Progresses on the research of pollution in Haihe River were discussed from the aspects of water pollution,sediments pollution,aquatic ecosystem and mathematical modeling.Several important progresses were achieved,including studies on the variation of dissolved oxygen in subsurface water and three kinds of nitric pollution,studies on persistent organic pollution and heavy metal pollution in water and sediments and their environmental damage,preliminary studies on the state of aquatic ecosystem and water quality model.