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An Overview of 14C Analysis in the Study of Groundwater

Published online by Cambridge University Press:  18 July 2016

Mebus A Geyh*
Affiliation:
Section 3 – Dating and Isotope Hydrology, Institute of Joint Geoscientific Research, Hannover, Germany. Email: M.Geyh@bgr.de.
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Abstract

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This paper provides a summary overview of the current state-of-art in the radiocarbon dating of groundwater. While the use of natural 14C measurements in applied hydrogeology still presents a difficult challenge, meaningful dates can be achieved if they are determined and interpreted in conjunction with the analyses of other isotopic species that occur in the natural environment. Although 14C dating of groundwater can be, and often is, carried out as a matter of routine, any specific case study requires its own scientific design and effort. As is widely recognized, and discussed in considerable detail throughout the scientific literature, there are many hydrogeochemical reactions and/or physical processes that can alter the natural 14C enrichment measured in environmental materials. Fortunately, for fresh groundwater resources such effects are in general well defined and therefore of limited significance. The primary challenge in applied groundwater dating is with the development of the appropriate theoretical background against which 14C dates can be used to calibrate numerical analogues of the groundwater system. The hydraulic properties of each of the widely used finite-element models can be well estimated from numerous piezometric data and extrapolations. In contrast, only a few groundwater ages can be provided for the calibration of those models that are complex functions of aging mixture and sometimes also hydrochemical reactions.

Type
Research Article
Copyright
Copyright © 2000 The Arizona Board of Regents on behalf of the University of Arizona 

References

Aravena, R, Wassenaar, LI. 1993. Dissolved organic carbon and methane in a regional confined aquifer. Evidence for associated subsurface sources. Applied Geochemistry 8:483–93.Google Scholar
Bath, AH, Edmunds, WM, Andrews, JN. 1979. Palaeoclimatic trends deduced from the hydrochemistry of a Triassic sandstone aquifer, United Kingdom. Isotope Hydrology 1978. Volume 2. Vienna: IAEA. p 545–66.Google Scholar
Burden, DJ. 1977. Flow of fossil groundwater. Quarterly Journal of Engineering Geology 10:97124.CrossRefGoogle Scholar
Clark, ID, Fritz, P. 1997. Environmental isotopes in hydrogeology. Boca Raton: CRC Press. 328 p.Google Scholar
Clark, ID, Bajjali, WT, Phipps, G-Ch. 1996. Constraining 14C ages in sulphate reducing groundwaters: two case studies from arid regions. Isotope in water resources management. Vienna: IAEA. p 4356.Google Scholar
Deevey, ES Jr, Gross, MS, Hutchinson, GE, Kraybill, HL. 1954. The natural 14C contents of materials from hard-water lakes. Proceedings of the National Academy of Science 40:285–8.Google Scholar
Fontes, J-C, Garnier, 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 15:399413.Google Scholar
Franke, HW. 1951. Altersbestimmung von Kalzit-Konkretionen mit radioaktivem Kohlenstoff. Naturwissenschaften 22:527.CrossRefGoogle Scholar
Geyer, S, Wolf, M, Wassenaar, LI, Fritz, P, Buckau, G, Kim, JI. 1993. Isotope investigations on fractions of dissolved organic carbon for 14C dating. Isotope techniques in the study of past and current environmental changes in the hydrosphere and atmosphere. Vienna: IAEA. p 359–80.Google Scholar
Geyh, MA. 1972. Basic studies in hydrology and 14C and 3H measurements. 24th Proceedings of the International Geology Congress 11:227–34.Google Scholar
Geyh, MA. 1986. Computer modeling of confined aquifer systems for interpretation of chemical and environmental isotope data. Mathematical models for interpretation of tracer data in groundwater hydrology. IAEA-TECDOC-381. Vienna: IAEA. p 165–79.Google Scholar
Geyh, MA. 1992. Numerical modeling with groundwater ages. In: Taylor, RE, Long, A, Kra, RS, editors. Radiocarbon after four decades: an interdisciplinary perspective. New York: Springer-Verlag. p 276–87.Google Scholar
Geyh, MA. 1994. The paleohydrology of the eastern Mediterranean. In: Bar-Yosef, O, Kra, RS, editors. Late Quaternary chronology and paleoclimates of the eastern Mediterranean. Tucson: Radiocarbon. p 131–45.Google Scholar
Geyh, MA, Backhaus, G. 1979. Hydrodynamic aspects of carbon-14 groundwater dating. Isotope hydrology 1978. Volume 2. Vienna: IAEA. p 631–43.Google Scholar
Geyh, MA, Hanskarl, Bruehl. 1991. Versuche zur 14-Altersbestimmung von Grundwasser anhand gelöster organischer Stoffe. Geol. Jb. E 48:385–97.Google Scholar
Geyh, MA, Kantor, W. 1998. Zusammenspiel zwischen Isotopenhydrologie und numerischer Strömungsmodellierung am Beispiel der Dübener Heide. GEL-Heft 5. Hannover: BGR. p 111–21.Google Scholar
Geyh, MA, Kuenzl, R. 1981. Methane in groundwater and its effect on 14C groundwater dating. Journal of Hydrology 52:355–8.Google Scholar
Geyh, MA, Soefner, B. 1989. Groundwater analysis of environmental carbon and other isotopes from the Jakarta Basin aquifer, Indonesia. Radiocarbon 31(3):919–25.Google Scholar
Geyh, MA, Sonne, V. 1983. Monitoring of groundwater budget changes with isotope techniques in the NE Mainz Basin. Proceedings of the International Conference on Groundwater Resources. Plan D. p 357–65.Google Scholar
Geyh, MA, Wendt, I. 1965. Results of water sample dating by means of the model by Muennich and Vogel. Proceedings of radiocarbon and tritium dating conference. Pulman, Washington. p 597603.Google Scholar
Geyh, MA, Backhaus, G, Andres, G, Rudolph, J, Rath, HK. 1984. Isotope study on the Keuper sandstone aquifer with a leaky cover layer. Isotope hydrology 1983. Vienna: IAEA. p 499513.Google Scholar
Gonfiantini, U. 1972. Notes on isotope hydrology. Internal report. Vienna: IAEA.Google Scholar
Groening, M, Sonntag, C. 1993. Molecular-diffusive CO2 exchange between groundwater and modern soil CO2 as a problem of 14C groundwater dating in arid zones. Isotope techniques in the studying past and current environmental changes in the hydrosphere and the atmosphere. Vienna: IAEA. p 563–5.Google Scholar
Harrington, GA, Herczeg, AL. 1999. Estimating groundwater 14C ages in the arid TI-Tree Basin, central Australia: use of 87Sr/86Sr to constrain sources of inorganic carbon. International Symposium on Isotope Techniques in Water Resources Development and Management: IAEA-SM-361/89P. Vienna, Austria; 10–14 May 1999.Google Scholar
Ingerson, E, Pearson, FJ Jr. 1964. Estimation of age and rate of motion of groundwater by the 14C method. Recent research in the fields of hydrosphere, atmosphere, and nuclear geochemistry. Tokyo: Maruzen. p 263–83.Google Scholar
Maloszewski, P, Zuber, A. 1984. Interpretation of artificial and environmental tracers in fissured rocks with a porous matrix. Isotope hydrology 1983. Vienna: IAEA. p 635–51.Google Scholar
Mook, WG. 1976. The dissolution-exchange model for dating groundwater with 14C. Interpretation of environmental isotope and hydrochemical data in groundwater hydrology. Vienna: IAEA. p 213–25.Google Scholar
Muennich, KO. 1957. Messung des 14C-Gehaltes von hartem Grundwasser. Naturwissenschaften 34:32–3.Google Scholar
Muennich, KO. 1968. Isotopen-Datierung von Grundwasser. Naturwissenschaften 55:158–63.Google Scholar
Olsson, IU. 1980. Radiocarbon dating of material from different reservoirs. In: Suess, HE, Berger, R, editors. Radiocarbon dating. San Diego: UCLA Press. p 613–8.Google Scholar
Pearson, FJ Jr, Noronha, CJ, Andrews, RW. 1983. Mathematical modeling of the distribution of natural 14C, 234U, and 238U in a regional groundwater system. In Stuiver, M, Kra, RS, editors. Radiocarbon 25(2A):291300.CrossRefGoogle Scholar
Phillips, FM, Tansey, MK, Peeters, LA, Cheng, S, Long, A. 1989. An isotopic investigation of groundwater in the Central San Juan Basin, New Mexico: carbon-14 dating as a basis for numerical modeling. Water Resources Research 25:2259–73.Google Scholar
Plummer, N, Prestemon, EC, Parkhurst, DL. 1994. An interactive code (NETPATH) for modeling NET geochemical reactions along a flow PATH. Geological survey water resources investigations report, 94–4169. Reston VA: US Geological Survey. 99 p.Google Scholar
Reardon, EJ, Fritz, PE. 1978. Computer modeling of groundwater 13C and 14C isotope compositions. Journal of Hydrolology 36:201–24.Google Scholar
Rogojin, V, Carmi, I, Kronfeld, J. 1998. 14C and 234U-excess dating of groundwater in the Haifa Bay region, Israel. Radiocarbon 40(2):945–51.Google Scholar
Tamers, MA. 1967. Surface-water infiltration and groundwater movement in arid zones of Venezuela. Isotopes in Hydrology: 339–53.Google Scholar
Tamers, MA, Stipp, JJ, Weiner, R. 1975. Radiocarbon ages of groundwater as a basis for the determination of safe limits of aquifer exploitation. Environmental Research 9:250–64.Google Scholar
Wigley, TML. 1977. Carbon-14 dating of groundwater from closed and open systems. Water Resources Research 11:324–8.Google Scholar
Wigley, TML, Plummer, LN, Pearson, FJ Jr. 1978. Mass transfer and carbon isotope evolution in natural water systems. Geochimica et Cosmochimica Acta 42:1117–39.Google Scholar
Verhagen, BTh, Mazer, E, Sellshop, JPF. 1974. Radiocarbon and tritium evidence for direct recharge to groundwaters in the Northern Kalahari. Nature 249:643–4.Google Scholar
Verhagen, BTh, Geyh, MA, Froehlich, K, Wirth, K. 1991. Isotope hydrological methods for the quantitative evaluation of ground water resources in arid and semi-arid areas. Development of a methodology. Bonn: Ministry of Economic Cooperation. 164 p.Google Scholar
Vogel, JC. 1970. 14C groundwater dating. In: Isotope hydrology 1970. Vienna: IAEA. p 225–40.Google Scholar
Vogel, JC, Ehhalt, D. 1963. The use of the carbon isotopes in groundwater studies. Radioisotopes in hydrology. Vienna: IAEA. p 383–95.Google Scholar