Arid
DOI10.1080/1573062X.2012.750372
Bacterial contamination due to point and nonpoint source pollution in a rapidly growing urban center in an arid region
O’Neill, Susan; Adhikari, Achyut R.; Gautam, Mahesh R.; Acharya, Kumud
通讯作者Acharya, Kumud
来源期刊URBAN WATER JOURNAL
ISSN1573-062X
EISSN1744-9006
出版年2013
卷号10期号:6页码:411-421
英文摘要

The distribution of bacterial contaminants (Escherichia coli and total coliforms) and nutrients (nitrogen and phosphorus) in a rapidly growing metropolitan area, the Las Vegas Valley, were studied to assess the contributions of point and nonpoint pollution sources under dry weather flow (pre rainfall) and wet weather flow (post rainfall) events. Nonpoint sources emanating from urban centers and septic seepage were found to be a primary source of bacterial contamination in the Las Vegas Wash, a mainstream wash channel where the Las Vegas Valley watershed drains. Contribution of point sources (wastewater treatment plants) to E. coli and total coliforms were found to be negligible. However, data in the Tropicana/Flamingo Wash, a tributary of the Las Vegas Wash, showed high bacterial activities in the wet antecedent rainfall condition as compared to the pre-rain dry antecedent condition suggesting that the rainfall increased bacterial activities.


英文关键词total coliforms E coli Las Vegas Wash rainfall urban runoff
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000325844900004
WOS关键词FECAL POLLUTION ; WATER-QUALITY ; DRINKING-WATER ; RUNOFF ; RIVER ; IDENTIFICATION ; POPULATIONS ; PHOSPHORUS ; CALIFORNIA ; COLIFORMS
WOS类目Water Resources
WOS研究方向Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/180156
作者单位Div Hydrol Sci, Las Vegas, NV USA
推荐引用方式
GB/T 7714
O’Neill, Susan,Adhikari, Achyut R.,Gautam, Mahesh R.,et al. Bacterial contamination due to point and nonpoint source pollution in a rapidly growing urban center in an arid region[J],2013,10(6):411-421.
APA O’Neill, Susan,Adhikari, Achyut R.,Gautam, Mahesh R.,&Acharya, Kumud.(2013).Bacterial contamination due to point and nonpoint source pollution in a rapidly growing urban center in an arid region.URBAN WATER JOURNAL,10(6),411-421.
MLA O’Neill, Susan,et al."Bacterial contamination due to point and nonpoint source pollution in a rapidly growing urban center in an arid region".URBAN WATER JOURNAL 10.6(2013):411-421.
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