1 Result(s)

Article

Continental degassing of ⁴He by surficial discharge of deep groundwater

Helium-4 is produced in the Earth’s crust and degassed to the atmosphere. Measurements of ⁴He and ⁸¹Kr dating in an aquifer in Brazil suggest that most crustal ⁴He reaches the atmosphere by the discharge of deep ...

Pradeep K. Aggarwal, Takuya Matsumoto, Neil C. Sturchio, Hung K. Chang… in Nature Geoscience (2015)