Full TGIF Record # 234139
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DOI:10.1111/j.1752-1688.1996.tb04073.x
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.1996.tb04073.x/pdf
    Last checked: 12/11/2013
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Publication Type:
i
Report
Author(s):Clawges, Rick M.; Vowinkel, Eric F.
Author Affiliation:Clawges: Hydrologist; Vowinkel: Supervisory Hydrologist, U.S. Geological Survey, West Trenton, New Jersey
Title:Variables indicating nitrate contamination in bedrock aquifers, Newark Basin, New Jersey
Source:Water Resources Bulletin. Vol. 32, No. 5, October 1996, p. 1055-1066.
# of Pages:12
Publishing Information:Minneapolis, Minnesota: American Water Resources Association
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.1996.tb04073.x/abstract
    Last checked: 12/11/2013
    Notes: Abstract only
Keywords:TIC Keywords: Aquifers; Groundwater contamination; Land use; Nitrate losses; Susceptibility; Water quality; Wells
Abstract/Contents:"Variables that describe well construction, hydrogeology, and land use were evaluated for use as possible indicators of the susceptibility of ground water in bedrock aquifers in the Newark Basin, New Jersey, to contamination by nitrate from the land surface. Statistical analyses were performed on data for 132 wells located throughout the Newark Basin. Concentrations of nitrate (as nitrogen) did not exceed the U.S. Environmental Protection Agency maximum contaminant level of 10 milligrams per liter (mg/L) in any of the water samples (U.S. Environmental Protection Agency, 1991). Variables that describe hydrogeology and well construction were found not to be statistically significant in relation to concentrations of nitrate. This finding can be attributed to the complex nature of flow in bedrock aquifers and mixing of water from shallow and deep water-bearing zones that occurs within these wells, which are constructed with long open intervals. Distributions of nitrate concentrations were significantly different among land-use groups on the basis of land use within both a 400- and an 800-m radius zone of the well. The median concentrations of nitrate (as N) in water from wells in predominantly urban-residential (2.5 mg/L) and agricultural areas (1.8 mg/L) were greater than the median concentration of nitrate in water from wells in predominantly undeveloped areas (0.5 mg/L)."
Language:English
References:23
Note:Maps
Figures
Tables
Graphs
Geographic Terms:Newark Basin, New Jersey
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Clawges, R. M., and E. F. Vowinkel. 1996. Variables indicating nitrate contamination in bedrock aquifers, Newark Basin, New Jersey. Water Resour. Bull. 32(5):p. 1055-1066.
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DOI: 10.1111/j.1752-1688.1996.tb04073.x
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.1996.tb04073.x/pdf
    Last checked: 12/11/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: b2206946~S1a
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