caa a22 4500 605538867 CHVBK 20210128100904.0 cr unu---uuuuu 210128e20150901xx s 000 0 eng 10.1007/s11053-014-9257-5 doi (NATIONALLICENCE)springer-10.1007/s11053-014-9257-5 Natural Molecular Hydrogen Seepage Associated with Surficial, Rounded Depressions on the European Craton in Russia [Elektronische Daten] [Nikolay Larin, Viacheslav Zgonnik, Svetlana Rodina, Eric Deville, Alain Prinzhofer, Vladimir Larin] In the Russian part of the European craton, several thousands of subcircular structures ranging in size from a hundred meters to several kilometers in diameter have been identified throughout the region extending from Moscow to Kazakhstan. Generally, these structures correspond to minor morphological depressions. In cultivated areas, the periphery of these structures is often outlined by a ring of soil bleaching associated with growth anomalies of vegetation. The cores of the structures commonly correspond to marshes, sometimes with lakes. Subsoil gas composition of these structures was studied. For this purpose, portable gas detectors were used, and the results obtained were confirmed by gas chromatography analysis. Inside and around these structures, the concentration of molecular hydrogen in soil was much greater inside than outside, up to 1.25% at 1.2m in soils. The hydrogen is associated with a small quantity of methane. We estimated a daily hydrogen flow seeping out at the surface is between 21,000 and 27,000m3 in one of these structures. International Association for Mathematical Geosciences, 2015 Hydrogen nationallicence Seeps nationallicence Craton nationallicence Gas nationallicence Larin Nikolay Russian Academy of Science, Schmidt Institute of Physics of the Earth, B. Gruzinskaya St. 10, 123995, Moscow, Russia aut Zgonnik Viacheslav IFP Energies Nouvelles, 1 & 4 Avenue de Bois Préau, 92852, Rueil-Malmaison Cedex, France aut Rodina Svetlana Russian Academy of Science, Schmidt Institute of Physics of the Earth, B. Gruzinskaya St. 10, 123995, Moscow, Russia aut Deville Eric IFP Energies Nouvelles, 1 & 4 Avenue de Bois Préau, 92852, Rueil-Malmaison Cedex, France aut Prinzhofer Alain IFP Energies Nouvelles, 1 & 4 Avenue de Bois Préau, 92852, Rueil-Malmaison Cedex, France aut Larin Vladimir Natural Hydrogen Energy Ltd, 24165 County Road 90, 80610, Ault, CO, USA aut Natural Resources Research Springer US; http://www.springer-ny.com 24/3(2015-09-01), 369-383 1520-7439 24:3<369 2015 24 11053 https://doi.org/10.1007/s11053-014-9257-5 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s11053-014-9257-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Larin Nikolay Russian Academy of Science, Schmidt Institute of Physics of the Earth, B. Gruzinskaya St. 10, 123995, Moscow, Russia aut NATIONALLICENCE 700 1- Zgonnik Viacheslav IFP Energies Nouvelles, 1 & 4 Avenue de Bois Préau, 92852, Rueil-Malmaison Cedex, France aut NATIONALLICENCE 700 1- Rodina Svetlana Russian Academy of Science, Schmidt Institute of Physics of the Earth, B. Gruzinskaya St. 10, 123995, Moscow, Russia aut NATIONALLICENCE 700 1- Deville Eric IFP Energies Nouvelles, 1 & 4 Avenue de Bois Préau, 92852, Rueil-Malmaison Cedex, France aut NATIONALLICENCE 700 1- Prinzhofer Alain IFP Energies Nouvelles, 1 & 4 Avenue de Bois Préau, 92852, Rueil-Malmaison Cedex, France aut NATIONALLICENCE 700 1- Larin Vladimir Natural Hydrogen Energy Ltd, 24165 County Road 90, 80610, Ault, CO, USA aut NATIONALLICENCE 773 0- Natural Resources Research Springer US; http://www.springer-ny.com 24/3(2015-09-01), 369-383 1520-7439 24:3<369 2015 24 11053