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This article in JEQ

  1. Vol. 7 No. 3, p. 428-434
     
    Received: Dec 15, 1977


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doi:10.2134/jeq1978.00472425000700030027x

Carbon Contents and Sources in Ground Waters of the Central Platte Region in Nebraska1

  1. R. F. Spalding,
  2. J. R. Gormly and
  3. K. G. Nash2

Abstract

Abstract

Fifty-one ground water samples collected in a losing reach of the Platte River were analyzed for alkalinity, dissolved oxygen (DO), dissolved organic carbon (DOC), and for the ∂13C values of DOC. Ranges in concentrations were 24.8 to 109 mg/liter, 0.0 to 5.5 mg/liter, 0.5 to 4.8 mg/liter, and −15.6 to −25.4 0/00 for inorganic carbon, DO, DOC, and ∂13C, respectively. The concentrations of these constituents are primarily associated with land use and well depth. Carbon isotope fractionation can be useful in determining sources of organic carbon to the ground water.

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