Characteristics of the event mean concentration (EMC) from rainfall runff on an urban highway
- Characteristics of the event mean concentration (EMC) from rainfall runff on an urban highway
- 이주영; 김형준; 김영진; 한무영
- highway; EMC; Pollutant loads; Hydrographs; Pollutant graphs
- Issue Date
- Environmental pollution
- VOL 159, NO 4, 884-888
- The purpose of this studywas to investigate the characterization of the event mean concentration (EMC) of
runoff during heavy precipitation events on highways. Highway runoff quality data were collected from
the 7th highway, in South Korea during 2007-2009. The samples were analyzed for runoff quantity and
quality parameters such as CODcr, TSS, TPHs, TKN, NO3, TP, PO4 and six heavy metals, e.g., As, Cu, Cd, Ni, Pb
and Zn. Analysis of resulting hydrographs and pollutant graphs indicates that the peak of the pollutant
concentrations in runoff occurs 20 min after the first rainfall runoff occurrence. The first flush effect
depends on the preceding dry period and the rainfall intensity. The results of this study can be used as
a reference for water quality management of urban highways.
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