Chlorine-36 in groundwater of the United States

Empirical data

Stanley N. Davis, Stephen Moysey, L. DeWayne Cecil, Marek G Zreda

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Natural production of the radionuclide chlorine-36 (36Cl) has provided a valuable tracer for groundwater studies. The nuclear industry, especially the testing of thermonuclear weapons, has also produced large amounts of 36Cl that can be detected in many samples of groundwater. In order to be most useful in hydrologic studies, the natural production prior to 1952 should be distinguished from more recent artificial sources. The object of this study was to reconstruct the probable preanthropogenic levels of 36Cl in groundwater in the United States. Although significant local variations exist, they are superimposed on a broad regional pattern of 36Cl/Cl ratios in the United States. Owing to the influence of atmospherically transported ocean salt, natural ratios of 36Cl/total Cl are lowest near the coast and increase to a maximum in the central Rocky Mountains of the United States.

Original languageEnglish (US)
Pages (from-to)217-227
Number of pages11
JournalHydrogeology Journal
Volume11
Issue number2
StatePublished - Apr 2003

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chlorine isotope
groundwater
regional pattern
weapon
radionuclide
tracer
salt
mountain
coast
industry
ocean

Keywords

  • Chloride/bromide ratios
  • Chlorine-36
  • Radioactive isotopes

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)
  • Water Science and Technology

Cite this

Davis, S. N., Moysey, S., Cecil, L. D., & Zreda, M. G. (2003). Chlorine-36 in groundwater of the United States: Empirical data. Hydrogeology Journal, 11(2), 217-227.

Chlorine-36 in groundwater of the United States : Empirical data. / Davis, Stanley N.; Moysey, Stephen; Cecil, L. DeWayne; Zreda, Marek G.

In: Hydrogeology Journal, Vol. 11, No. 2, 04.2003, p. 217-227.

Research output: Contribution to journalArticle

Davis, SN, Moysey, S, Cecil, LD & Zreda, MG 2003, 'Chlorine-36 in groundwater of the United States: Empirical data', Hydrogeology Journal, vol. 11, no. 2, pp. 217-227.
Davis, Stanley N. ; Moysey, Stephen ; Cecil, L. DeWayne ; Zreda, Marek G. / Chlorine-36 in groundwater of the United States : Empirical data. In: Hydrogeology Journal. 2003 ; Vol. 11, No. 2. pp. 217-227.
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