X Zhou, Y Yan, W Fang, W Wang, H Shi… - Frontiers in Earth …, 2021 - frontiersin.org
The gas compositions (He, H2, CO2, CH4, Ar and N2) and isotope ratios (3He/4He and
δ13C) were yearly investigated from April 2010 to April 2019 at the Luojishan spring located …