Arid
DOI10.1111/j.1752-1688.2010.00497.x
Seasonal Flushing of Pollutant Concentrations and Loads in Urban Stormwater1
Schiff, Kenneth C.; Tiefenthaler, Liesl L.
通讯作者Schiff, Kenneth C.
来源期刊JOURNAL OF THE AMERICAN WATER RESOURCES ASSOCIATION
ISSN1093-474X
出版年2011
卷号47期号:1页码:136-142
英文摘要

Despite broad observations of first flush within storms, the scientific understanding of seasonal flushing remains incomplete. Seasonal flushing occurs when initial storms of the season have greater concentrations or loads than storms later in the season. The goal of this study was to census stormwater concentrations and loads from an arid, urban watershed to quantify seasonal flushing. Samples were collected every 15 min during the 1997-1998 wet season from the Santa Ana River and analyzed for total suspended solids. Initial storms of the season generated event mean concentrations 3-10 times the event mean concentration of storms later in the season. Cumulative flow-weighted mean concentrations were calculated as the season progressed. Early season storms discharged only 6% of the annual volume, but influenced flow-weighted mean concentrations well past the midpoint of the wet season. Mass-based estimates also indicated a disproportionate load in the early portion of the year; over 52% of the annual load was discharged in the first 30% of the annual volume from the highly urbanized lower watershed. Other stormwater pollutants, including six trace metals (Cd, Cr, Cu, Pb, Ni, Zn), were highly correlated with total suspended solids and also exhibited a significant seasonal flush.


英文关键词storm water management nonpoint source pollution transport and fate urban areas
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000286629700014
WOS关键词1ST FLUSH ; STORM-WATER ; HIGHWAY RUNOFF ; HEAVY-METALS ; QUALITY ; MANAGEMENT ; CATCHMENT ; REMOVAL ; COPPER
WOS类目Engineering, Environmental ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Engineering ; Geology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/169448
作者单位So Calif Coastal Water Res Project, Costa Mesa, CA 92626 USA
推荐引用方式
GB/T 7714
Schiff, Kenneth C.,Tiefenthaler, Liesl L.. Seasonal Flushing of Pollutant Concentrations and Loads in Urban Stormwater1[J],2011,47(1):136-142.
APA Schiff, Kenneth C.,&Tiefenthaler, Liesl L..(2011).Seasonal Flushing of Pollutant Concentrations and Loads in Urban Stormwater1.JOURNAL OF THE AMERICAN WATER RESOURCES ASSOCIATION,47(1),136-142.
MLA Schiff, Kenneth C.,et al."Seasonal Flushing of Pollutant Concentrations and Loads in Urban Stormwater1".JOURNAL OF THE AMERICAN WATER RESOURCES ASSOCIATION 47.1(2011):136-142.
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