Sauna, sweat and science – quantifying the proportion of condensation water versus sweat using a stable water isotope (2H/1H and 18O/16O) tracer experiment
Sauna, sweat and science – quantifying the proportion of condensation water versus sweat using a stable water isotope (2H/1H and 18O/16O) tracer experiment
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桑拿、汗水和科学 â 使用稳定水同位素(2H/1H 和 18O/16O)示踪实验量化冷凝水与汗水的比例
DOI:
10.1080/10256016.2015.1057136
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发表时间:
2015
影响因子:
1.3
通讯作者:
Tuthorn
中科院分区:
文献类型:
--
作者:
Michael;Boesel;Stefanie;Tuthorn
Most visitors of a sauna appreciate the heat pulse that is perceived when water is poured on the stones of a sauna stove. However, probably only few bathers are aware that this pleasant heat pulse is caused by latent heat being released onto our skin due to condensation of water vapour. In order to quantify the proportion of condensation water versus sweat to dripping water of test persons we conducted sauna experiments using isotopically labelled (δ18O andδ2H) thrown water as tracer. This allows differentiating between ‘pure sweat’ and ‘condensation water’. Two ways of isotope mass balance calculations were applied and yielded similar results for both water isotopes. Accordingly, condensation contributed considerably to dripping water with mean proportions of 52 ± 12 and 54 ± 7 % in a sauna experiment in winter semester 2011/12 and 30 ± 13 and 33 ± 6 % in a sauna experiment in winter semester 2012/13, respectively, depending on the way of calculating the isotope mass balance. It can be concluded from the results of our dual isotope labelling sauna experiment that it is not all about sweat in the sauna.
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DOI:
10.1016/b978-008042030-1/50095-0
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Nucleation and Atmospheric Aerosols
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