(Appendix A) Methane, helium isotope and hydrogen data in water profile M68/1-51-CTD

This dataset is about: (Appendix A) Methane, helium isotope and hydrogen data in water profile M68/1-51-CTD. Please consult parent dataset @ https://doi.org/10.1594/PANGAEA.706730 for more information.本数据集涵盖（附录A）M68/1-51-CTD水体剖面中的甲烷、氦同位素及氢数据。如需获取更多相关信息，请查阅其父数据集：https://doi.org/10.1594/PANGAEA.706730。