Articles | Volume 21, issue 8
Hydrol. Earth Syst. Sci., 21, 4213–4231, 2017
https://doi.org/10.5194/hess-21-4213-2017
Hydrol. Earth Syst. Sci., 21, 4213–4231, 2017
https://doi.org/10.5194/hess-21-4213-2017

Research article 25 Aug 2017

Research article | 25 Aug 2017

Halon-1301 – further evidence of its performance as an age tracer in New Zealand groundwater

Monique Beyer et al.

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Cited articles

Allison, G. B. and Hughes, M. W.: The use of environmental chloride and tritium to estimate total recharge to an unconfined aquifer, Aust. J. Soil Res., 16, 181–195, 1978.
Bartyzel, J. and Rozanski, K.: Dating of young groundwater using four anthropogenic trace gases (SF6, SF5CF3, CFC-12 and Halon-1301): methodology and first results, Isot. Environ. Heal. S., 52, 393–404, 2016.
Beven, K. and Binley, A.: GLUE: 20 years on, Hydrol. Process., 28, 5897–5918, https://doi.org/10.1002/hyp.10082, 2014.
Beyer, M.: Characterization of Groundwater with Complementary Age Tracers: PhD Thesis, the Victoria University of Wellington, School of Geography, Environment Earth Sciences; available at: http://researcharchive.vuw.ac.nz/handle/10063/5202 (last access: 22 August 2017), 2015.
Beyer, M., van der Raaij, R., Morgenstern, U., and Jackson, B.: Potential groundwater age tracer found: Halon-1301 (CF3Br), as previously identified as CFC-13 (CF3Cl), Water Resour. Res., 50, 7318–7331, https://doi.org/10.1002/2014WR015818, 2014.
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Short summary
The determination of groundwater age can aid characterization of aquifers, providing information on groundwater mixing, flow, volume, and recharge rates. Here we assess a recently discovered groundwater age tracer, Halon-1301. Its performance as an age tracer is assessed against six other well-established, widely used age tracers in 302 groundwater samples. We show Halon-1301 reliably inferred age, thus potentially becoming a useful groundwater age tracer where other tracers are compromised.