Stable Nitrogen Isotopes and Sourcing Groundwater Nitrate: A Field Study

REFERENCES

• Aravena , R. , Evans , M. L. and Cherry , J. A. 1993 . “Stable Isotopes of Oxygen and Nitrogen in Source Identification of Nitrate from Septic Systems.” . Groundwater , 31 ( 2 ) : 180 – 186 .
   Web of Science ®Google Scholar
• Aravena , R. and Robertson , W. D. 1998 . “Use of Multiple Isotope Tracers to Evaluate Denitrification in Groundwater: Study of Nitrate from a Large-Flux Septic System Plume.” . Groundwater , 36 ( 6 ) : 975 – 982 .
   Google Scholar
• Cherry , J. A. , Gillham , R. W. , Anderson , E. G. and Johnson , P. E. 1983 . “Migration of Contaminants in Groundwater at a Landfill: A Case Study.” . Journal of Hydrology , 63 : 31 – 49 .
   Web of Science ®Google Scholar
• Exner , M. E. and Spalding , R. F. 1985 . “Groundwater Contamination and Well Construction in Southeast Nebraska.” . Groundwater , 23 ( 1 ) : 26 – 34 .
   Google Scholar
• Flipse , W. J. Jr. and Bonner , F. T. 1985 . “Nitrogen-Isotope Ratios of Nitrate in Groundwater Under Fertilized Fields, Long Island, NY.” . Groundwater , 23 ( 1 ) : 59 – 67 .
   Google Scholar
• Fogg , G. E. , Rolston , D. E. , Decker , D. L. , Louie , D. T. and Grismer , M. E. 1998 . “Spatial Variation in Nitrogen Isotope Values Beneath Nitrate Contamination Sources.” . Groundwater , 36 ( 3 ) : 418 – 426 .
   Google Scholar
• Frind , E. O. , Duynisveld , W. H.M. , Strebel , O. and Boettcher , J. 1989 . “Simulation of Nitrate and Sulfate Transport and Transformation in the Fuhrberger Feld Aquifer, Hanover, Germany.” . In Contaminant Transport in Groundwater Edited by: Kobus , H. and Kinzelbach , W. 97 – 104 .
   Google Scholar
• Gormly , J. R. and Spalding , R. F. 1979 . “Sources and Concentrations of Nitrate-Nitrogen in Groundwater of the Central Platte Region, Nebraska.” . Groundwater , 17 : 291 – 301 .
   Web of Science ®Google Scholar
• Harmon , J. , Robertson , W. D. , Cherry , J. A. and Zanini , L. 1996 . “Impacts on a Sand Aquifer from an Old Septic System: Nitrate and Phosphate.” . Groundwater , 34 ( 6 ) : 1105 – 1114 .
   Google Scholar
• Heaton , T. H.E. 1984 . “Sources of the Nitrate in Phreatic Groundwater in the Western Kalahari.” . Journal of Hydrology , 67 : 249 – 259 .
   Google Scholar
• Heaton , T. H.E. 1986 . “Isotopic Studies of Nitrogen Pollution in the Hydrosphere and Atmosphere: A Review.” . Chemical Geology (Isotope Geoscience Section) , 59 : 87 – 102 .
   Web of Science ®Google Scholar
• Kaplan , N. and Magaritz , M. 1986 . “A Nitrogen-Isotope Study of the Sources of Nitrate Concentration in Groundwater of the Pleistocene Coastal Plain Aquifer, Israel.” . Water Research , 20 : 131 – 135 .
   Google Scholar
• Komor , S. C. and Anderson , H. W. Jr . 1993 . “Nitrogen Isotopes as Indicators of Nitrate Sources in Minnesota Sand-Plain Aquifers.” . Groundwater , 31 ( 2 ) : 260 – 270 .
   Google Scholar
• Kreitler , C. W. 1975 . Determining the Source of Nitrate in Groundwater by Nitrogen Isotope Studies. Report of Investigations No. 83. Bureau of Economic Geology, The University of Texas at Austin, TX
   Google Scholar
• Postma , D. and Boesen , C. 1991 . “Nitrate Reduction in an Unconfined Sandy Aquifer: Water Chemistry, Reduction Processes, and Geochemical Modelling.” . Water Resources Research , 27 ( 8 ) : 2027 – 2045 .
   Web of Science ®Google Scholar
• Robertson , W. D. , Russell , B. M. and Cherry , J. A. 1996 . “Attenuation of Nitrate in Aquitard Sediments of Southern Ontario.” . Journal of Hydrology , 180 : 267 – 281 .
   Web of Science ®Google Scholar
• Smith , R. L. , Howell , B. L. and Duff , D. H. 1991 . “Denitrification in Nitrate-Contaminated Groundwater: Occurrence in Steep Vertical Geochemical Gradients.” . Geochimica et Cosmochimica Acta , 55 : 1815 – 1825 .
   Web of Science ®Google Scholar
• Spalding , R. F. , Exner , M. E. , Lindau , C. W. and Eaton , D. E. 1982 . “Investigation of Sources of Groundwater Nitrate Contamination in the Burbank-Wallula Area of Washington, USA.” . Journal of Hydrology , 58 : 307 – 324 .
   Web of Science ®Google Scholar
• Spalding , R. F. and Parrot , J. D. 1994 . “Shallow Groundwater Denitrification.” . Science of the Total Environment , 141 : 17 – 25 .
   Google Scholar
• Wassemaar , L. I. 1994 . “Evolution of the Origin and Fate in the Abbotsford Aquifer Using the Isotopes of ¹⁵N and ¹⁸O in NO₃“ NHRI Contribution No. CS94009 Saskatoon , SK : NHRI .
   Google Scholar
• Wilson , G. B. , Andrews , J. N. and Bath , A. J. 1994 . “The Nitrogen Isotope Composition of Groundwater Nitrates from the East Midlands Triassic Sandstone Aquifer, England.” . Journal of Hydrology , 157 : 35 – 46 .
   Google Scholar