Characteristics of the event mean concentration (EMC) from rainfall runff on an urban highway

Title
Characteristics of the event mean concentration (EMC) from rainfall runff on an urban highway
Authors
이주영김형준김영진한무영
Keywords
highway; EMC; Pollutant loads; Hydrographs; Pollutant graphs
Issue Date
2011-04
Publisher
Environmental pollution
Citation
VOL 159, NO 4, 884-888
Abstract
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.
URI
http://pubs.kist.re.kr/handle/201004/41135
ISSN
0269-7491
Appears in Collections:
KIST Publication > Article
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