Results 11 to 20 of about 3,735 (197)

A geophysical investigation of the fairy circles in Nebraska for geologic hydrogen exploration [PDF]

open access: yesScientific Reports
Fairy circles are subcircular surface depression features that are widely distributed all over the world and they are commonly considered as a potential indicator to the presence of subsurface geologic hydrogen.
Mengli Zhang   +4 more
doaj   +3 more sources

Model predictions of global geologic hydrogen resources [PDF]

open access: yesScience Advances
Geologic hydrogen could be a low-carbon primary energy resource; however, the magnitude of Earth’s subsurface endowment has not yet been assessed. Knowledge of the occurrence and behavior of natural hydrogen on Earth has been combined with information from geologic analogs to construct a mass balance model to predict the resource potential.
Geoffrey S Ellis, Sarah E Gelman
exaly   +4 more sources

Natural sources and conditions of geological hydrogen generation (in the context of hydrogen depositssearches)

open access: yesГеофизический журнал, 2022
World energy problems can largely be solved in the event of discovering huge amounts of gaseous hydrogen in a free state, which is considered as a promising alternative to the reserves of traditional fossil fuel in the earth’s crust.
К.А. Bezruchko
doaj   +4 more sources

Pore‐Scale Modeling of Carbon Dioxide and Hydrogen Transport During Geologic Gas Storage

open access: yesGeophysical Research Letters
Geologic storage of CO2 and H2 are climate‐positive techniques for meeting the energy transition. While similar formations could be considered for both gases, the flow dynamics could differ due to differences in their thermophysical properties.
Prakash Purswani   +7 more
doaj   +3 more sources

Finding natural $$\hbox {H}_{2}$$ generation zones in Midcontinent Rift in the U.S. by identifying the geophysical signatures of a serpentinization system [PDF]

open access: yesScientific Reports
Hydrogen is gaining attention as an energy source for its zero CO2 emission. Hydrogen may be manufactured by breaking down water using solar and wind energy. However, the high cost of manufactured hydrogen makes it uneconomical.
Mengli Zhang, Yaoguo Li
doaj   +2 more sources

Influence of pressure, temperature and organic surface concentration on hydrogen wettability of caprock; implications for hydrogen geo-storage

open access: yesEnergy Reports, 2021
Hydrogen (H2) as a cleaner fuel has been suggested as a viable method of achieving the de-carbonization objectives and meeting increasing global energy demand.
Muhammad Ali   +5 more
doaj   +3 more sources

Integrated pixel-wise remote sensing and explainable machine learning for natural hydrogen exploration in southeastern part of Pricaspian Basin, Western Kazakhstan [PDF]

open access: yesScientific Reports
Natural hydrogen (H2) emerges as a clean energy resource generated by different geological processes in multiple geological contexts. Current hydrogen exploration activities rely mainly on surface geochemical surveys focused on diagnostic morphological ...
Dennis Delali Kwesi Wayo   +4 more
doaj   +2 more sources

A REVIEW OF HYDROGEN STORAGE IN GEOLOGICAL FORMATIONS [PDF]

open access: yesRomanian Journal of Petroleum & Gas Technology
This review presents a thorough analysis of the technical, geological, and economic aspects of Underground Hydrogen Storage (UHS), positioning it as a key enabler for large-scale deployment of clean hydrogen supply chains.
Rami Doukeh   +5 more
doaj   +2 more sources

Energy system implications of naturally occurring hydrogen

open access: yesEnvironmental Research: Energy
Previous studies on the use of hydrogen (H _2 ) in the future energy system typically find a limited role for the energy carrier; however, these studies have not accounted for geologic H _2 (gH _2 ), which by some estimates may be abundantly available at
Patrick O’Rourke   +7 more
doaj   +2 more sources

Hydrogen Isotope Composition of a Large Silicic Magma Reservoir Preserved in Quartz‐Hosted Glass Inclusions of the Bishop Tuff Plinian Eruption

open access: yesGeochemistry, Geophysics, Geosystems, 2020
Water controls magmatic crystallization and drives volcanic eruptions, but little is known about its primary source in silicic systems. The hydrogen isotope composition of volcanic products provides a metric that can track and identify magmatic source ...
Kenneth S. Befus   +3 more
doaj   +2 more sources

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