Scientific Publications

Scientific results of ENGAGE-LAB activities

Etiope G., Orban A. (2025). Surface gas geochemical exploration for natural hydrogen: uncertainties and holistic interpretation. In: Natural Hydrogen Systems: Properties, Occurrences, Generation Mechanisms, Exploration, Storage, and Transportation, Ed. Rezaee R. and Evans B., De Gruyter Academic Publishing, Berlin, 347–365, https://doi.org/10.1515/9783111437040-012

Ghiorghiu E., Ajtai I., Martonos I.M., Hmoudah M., Orban A., Lupulescu A., Spulber L., Cozma A.I, Șfabu Ș., Moga R., Baciu C., Etiope G. (2025). Long-term emission of methane and ethane to the atmosphere from hybrid natural seepage and well leakage in the Sărmășel gas field (Romania). Applied Geochemistry, 195, 106614, https://doi.org/10.1016/j.apgeochem.2025.106614.

Baciu, C., Etiope, G. (2024). A direct observation of a hydrogen-rich pressurized reservoir within an ophiolite (Tișovița, Romania). Int. J. Hydrogen Energy, 73, 402-406,  https://doi.org/10.1016/j.ijhydene.2024.06.065.

Etiope, G. (2024). Natural hydrogen extracted from ophiolitic rocks: a first dataset. Int. J. Hydrogen Energy, 78, 368-372, https://doi.org/10.1016/j.ijhydene.2024.06.292.

International collaborations with ENGAGE-LAB contribution

Etiope G., Ellis G.S., Ardakani O.H., Boreham C.J., Klitzke P., Martin-Monge A., Reis H.L.S., Templeton A.S., Kim H.S., Gaucher E., Sissmann O. (2026). Understanding the resource potential of natural hydrogen on Earth: scientific gaps, uncertainties and recommendations. Earth-Science Reviews, 275, 105413, https://doi.org/10.1016/j.earscirev.2026.105413.

de Freitas, V. A., Montanini, A., Moretti, I., Artoni, A., Segadelli, S., de la Paix Izerumugaba, J., Battani, A., Etiope, G. (2025). Geological and geochemical approach to natural hydrogen exploration in the Northern Apennines, Italy. Marine and Petroleum Geology, 182, 107594, https://doi.org/10.1016/j.marpetgeo.2025.107594.

Mazzini A., Zaputlyaeva A., Blumenberg M., Scheeder G., Nuzzo M., Hussein A., Etiope G. (2025). Extensive oil, ethane and propane discharge at the mega seepage system of Lusi, Indonesia. Commun.  Earth Environ., 6, 854, https://doi.org/10.1038/s43247-025-02871-4.

Pappalardo L., Buono G., Procesi M., Etiope G. (2025). The link between ophiolitic chromitites, natural hydrogen and methane: insights from 3D microtomography. Chemical Geology, 676, 122575, https://doi.org/10.1016/j.chemgeo.2024.122575.