Other
Scientific paper
Nov 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985gecoa..49.2445t&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 49, Issue 11, pp.2445-2452
Other
15
Scientific paper
A model of 4 He accumulation in a confined aquifer is presented which includes in situ production and a crustal degassing flux of 4 He into the bottom of a confined aquifer. The model is consistent with the measurements of 4 He concentration in the Great Artesian Basin, Australia ( and , 1985) and also with the measurements of 4 He concentration in the Auob Sandstone of Namibia ( , 1981). The measured value of the crustal degassing flux of 4 He from these two areas is comparable with the 4 He degassing flux calculated from the atmospheric budget of 4 He ( et al. , 1963; and , 1983). A literature review suggests that a crustal degassing 4 He source may account for the 4 He accumulation in many other groundwater systems. It is concluded from the literature review, the detailed modelling of 4 He accumulation in GAB and the Auob Sandstone, and the atmospheric budget that crustal degassing of 4 He may be a common and widespread phenomena.
Ivey G. N.
Torgersen Thomas
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