Effects of Parameter Uncertainty in Modeling 14C in Groundwater

  • F. J. PearsonJr.

Abstract

14C occurs in groundwater in dissolved carbonate (CO2(aq), HCO3 and CO3−2) and organic carbon. Carbonate contains most of the carbon in groundwater, and many measurements of its 14C content have been made. Recently, as our ability to measure the 14C content of very small samples has improved, studies of the 14C content of dissolved organic carbon have also begun (Long et al 1992). This chapter will focus on 14C in dissolved carbonate.

Keywords

Parameter Uncertainty Mineral Carbonate Isotopic Equilibrium Chemical Mass Balance Incongruent Dissolution 
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References

  1. Deines, P 1980 The isotopic composition of reduced organic carbon. In Fritz, P and Fontes, J Ch, eds, Handbook of Environmental Isotope Geochemistry, Vol I, The Terrestrial Environment, A. Amsterdam, Elsevier: 329–406.Google Scholar
  2. Deines, P, Langmuir, D and Harmon, RS 1974 Stable carbon isotope ratios and the existence of a gas phase in the evolution of carbonate groundwaters. Geochimica et Cosntochimica Acta 38: 1147–1164.CrossRefGoogle Scholar
  3. Fontes, J-Ch 1992 Chemical and isotopic constraints on 14C dating of groundwater. In Taylor, RE, Long, A and Kra, RS, eds, Radiocarbon After Four Decades: An Interdisciplinary Perspective. New York, Springer-Verlag, this volume.Google Scholar
  4. Fontes, J Ch and Gamier, JM 1979 Determination of the initial 14C activity of the total dissolved carbon: A review of the existing models and a new approach. Water Resources Research 15: 399–413.CrossRefGoogle Scholar
  5. Ingerson, E and Pearson, FJ, Jr 1964 Estimation of age and rate of motion of groundwater by the 14C-method. In Miyake, Y and Koyama, T, eds, Recent Researches in the Fields of Hydrosphere, Atmosphere and Nuclear Geochemistry. Ken Sugawara Volume. Tokyo, Maruzen: 263–283.Google Scholar
  6. International Atomic Energy Agency 1986 Mathematical Models for Interpretationof Tracer Data in Groundwater Hydrology. Vienna, IAEA-TECDOC-381, 234 p.Google Scholar
  7. Long, A, Murphy, EM, Davis, SN and Kalin, RM 1992 Natural radiocarbon in dissolved organic carbon in groundwater. In Taylor, RE, Long, A and Kra, RS, eds, Radiocarbon After Four Decades: An Interdisciplinary Perspective. New York, Springer-Verlag, this volume.Google Scholar
  8. Loosli, MI, Lehmann, BE and Däppen, G 1991 Dating by radionuclides. In Pearson, FJ, Jr, Balderer, W, Loosli, 11H, Lehmann, BE, Matter, A, Peters, TJ, Schmassmann, H and Gautschi, A, Applied Isotope Hydrogeology: A Case Study in Northern Switzerland. Amsterdam, Elsevier and Nagra Technical Report 88–01: 153–174.Google Scholar
  9. Mook, WG 1976 The dissolution-exchange model for dating groundwater with 14C. In Interpretation of Environmental Isotope and Hydrochernical Data in Groundwater Hydrology. Vienna, IAEA: 213–225.Google Scholar
  10. — 1986 13C in atmospheric CO2. Netherlands Journal of Sea Research 20: 211–223.Google Scholar
  11. Neretnieks, I 1981 Age dating of groundwater in fissured rock: Influence of water volume in micropores. Water Resources Research 17: 421–422.Google Scholar
  12. Pearson, FJ, Jr 1965 Use of C13/C12 ratios to correct radiocarbon ages of materials initially diluted by limestone. In Chatters, RM and Olsen, EA, eds, Proceedings of the 6th International Conference on Radiocarbon and Tritium Dating. Washington, US Atomic Energy Commission, CONF650652: 357–366.Google Scholar
  13. — 1991 Carbonate isotopes. In Pearson, FJ, Jr, Balderer, W, Loosli, HH, Lehmann, BE, Matter, A, Peters, TJ, Schmassmann, H and Gautschi, A, Applied Isotope Hydrogeology: A Case Study in Northern Switzerland. Amsterdam, Elsevier and Nagra Technical Report 88–01: 175–237.Google Scholar
  14. Plummer, LN, Busby, JF, Lee, RF and Hanshaw, BB 1990 Geochemical modelling of the Madison Aquifer in parts of Montana, Wyoming and South Dakota. Water Resources Research 26: 1981–2014.CrossRefGoogle Scholar
  15. Plummer, LN, Parkhurst, DL and Thorstenson, DC 1983 Development of reaction models for groundwater systems. Geochimica et Cosmochimica Acta 47: 665–686.CrossRefGoogle Scholar
  16. Reardon, EJ and Fritz, P 1978 Computer modelling of groundwater ’3C and 14C isotope compositions. Journal of Hydrology 36: 201–224.CrossRefGoogle Scholar
  17. Siegenthaler, U 1972 Bestimmung der Verweildauer von Grundwasser im Boden mit radioaktiven Umweltisotopen (C-14, Tritium). Gas-Wasser-Abwasser 52: 283–290.Google Scholar
  18. Wigley, TML, Plummer, LN and Pearson, FJ, Jr 1978 Mass transfer and carbon isotope evolution in natural water systems. Geochimica et Cosmochimica Acta 42: 1117–1139.CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1992

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  • F. J. PearsonJr.

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