Abstract
Road-deposited sediment(RDS) are the main sources of the urban rainfall runoff pollution, which determines the characteristics of urban rainfall runoff pollution. Land use types are the key factors which influence the contents of pollutants in RDS, different land use types produced different pollutions. Distribution of heavy metal concentrations in the various grain size fractions exhibits obvious size fraction effect, the sources of pollutants in RDS are reached an agreement.Rainfall runoff pollution control idea is guided to the technical implementation and achieves control objectives. It also proposed the I-T-G (Idea-Technology-Goal) control pattern of stormwater runoff pollution and the classified subtractive integration technology of urban stormwater runoff pollution proceed in the light of local condition.
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