Efforts have been done by the writers to obtain a model, which can be used to express law of migration and accumulation of metallic pollutants (Cu and Fe) in Qianshan River, and to predict metallic pollution caused by copper mine construction. In the model study, the river water, suspended solids (silt) and ooze are considered as a whole, and combined with methods of environmental chemistry and hydraulics, to conduct the study on law of motion and dispersion of metallic pollutants together with the study on...