Full TGIF Record # 234137
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DOI:10.1111/j.1752-1688.2011.00616.x
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.2011.00616.x/full
    Last checked: 12/11/2013
    Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.2011.00616.x/pdf
    Last checked: 12/11/2013
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Publication Type:
i
Report
Author(s):Barlow, Jeannie R. B.; Kingsbury, James A.; Coupe, Richard H.
Author Affiliation:Barlow and Coupe: Hydrologist, U.S. Geological Survey Mississippi Water Science Center, Jackson, Mississippi; Kingsbury: Hydrologist, U.S. Geological Survey Tennessee Water Science Center, Nashville, Tennessee
Title:Changes in shallow groundwater quality beneath recently urbanized areas in the Memphis, Tennessee area
Source:Journal of the American Water Resources Association/AWRA. Vol. 48, No. 2, April 2012, p. 336-354.
# of Pages:19
Publishing Information:Minneapolis, Minnesota: American Water Resources Association
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.2011.00616.x/abstract
    Last checked: 12/11/2013
    Notes: Abstract only
Keywords:TIC Keywords: Atrazine; Nitrates; Potable water; Simazine; Urbanization; Volatile organic compounds; Groundwater contamination; Water quality
Abstract/Contents:"Memphis, the largest city in the state of Tennessee, and its surrounding suburbs depend on a confined aquifer, the Memphis aquifer, for drinking water. Concern over the potential for downward movement of water from an overlying shallow aquifer to the underlying Memphis aquifer provided impetus for monitoring groundwater quality within the shallow aquifer. The occurrence of volatile organic compounds (VOCs), nitrate, and pesticides in samples from the shallow well network indicate a widespread affect on water quality from the overlying urban land use. Total pesticide concentration was generally higher in more recently recharged groundwater indicating that as the proportion of recent water increases, the occurrence of pesticides related to the current urban land use also increases. Groundwater samples with nitrate concentrations greater than 1.5 mg/l and detectable concentrations of the pesticides atrazine and simazine also had higher concentrations of chloroform, a VOC primarily associated with urban land use, than in other samples. The age of the water from these wells indicates that these concentrations are most likely not representative of past agricultural use, but of more recent urban use of these chemicals. Given that the median age of water represented by the shallow well network was 21 years, a lag time likely exists between changes in land use and the occurrence of constituents related to urbanization in shallow groundwater."
Language:English
References:65
Note:Maps
Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Barlow, J. R. B., J. A. Kingsbury, and R. H. Coupe. 2012. Changes in shallow groundwater quality beneath recently urbanized areas in the Memphis, Tennessee area. Water Resour. Bull. 48(2):p. 336-354.
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DOI: 10.1111/j.1752-1688.2011.00616.x
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.2011.00616.x/full
    Last checked: 12/11/2013
    Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.2011.00616.x/pdf
    Last checked: 12/11/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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