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Helium isotopes of seawater in the Philippine Sea and the western North Pacific
3He/4He ratios abyssal current Philippine Sea North Pacific seawater
2017/8/9
We measured helium isotopic ratios of 84 seawater samples from various depths collected in the western North Pacific Ocean and the western Philippine Sea. The 3He/4He ratios varied significantly from ...
Relationship between geological structure and helium isotopes in deep groundwater from the Osaka Basin: Application to deep groundwater hydrology
helium isotopes noble gas groundwater hydrology Osaka basin
2017/8/10
The relationship between geological structure and helium isotopes is discussed for deep groundwaters from the Osaka sedimentary basin, southwest Japan, to understand dissolved He in groundwater for hy...