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Modeling the Accumulation and Transition to the Relic State of Methane Hydrates in the Permafrost of Northwestern Siberia
Abstract —This paper presents the results of numerical modeling of the permafrost thermal regime and thermobaric conditions of methane hydrates in the...
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The Potential to Preserve Relic Hydrates below the Stability Zone in Low-Permeability Layers of the Berezovo Formation of the North of Western Siberia
AbstractA possible mechanism is considered for preserving relic hydrates in low-permeable deposits of the Berezovo Formation of the Medvezhye field...
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Dissociation Kinetics of Methane Hydrate in Frozen Rocks under Decreasing External Pressure: Mathematical and Experimental Modeling
AbstractThe results of mathematical and experimental modeling of dissociation of pore methane hydrate in ice- and gas-bearing sediments with a...
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Possible Seismogenic-Trigger Mechanism of Methane Emission, Glacier Destruction and Climate Warming in the Arctic and Antarctic
Abstract–A seismogenic-trigger mechanism is proposed for the activation of methane emission on the Arctic shelf in the late 1970s, which caused the...
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Development of a Methodology for Monitoring the State of Methane Hydrate Deposits of the East-Siberian Shelf
AbstractOne of the possible mechanisms causing significant emissions of methane into the atmosphere within the Arctic shelf may be the decomposition...
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The Geological Characteristics of a Subpermafrost Gas Hydrate Reservoir on the Taimyr Shelf of the Kara Sea (Eastern Arctic)
Abstract —The conditions for the formation of gas hydrates associated with subsea permafrost in the Kara Sea have been predicted based on numerical...
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US Atlantic Margin Gas Hydrates
The minimum distribution of gas hydrates on the US Atlantic margin is from offshore South Carolina northward to the longitude of Shallop Canyon on...
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Subsea permafrost and associated methane hydrate stability zone: how long can they survive in the future?
The simulations with SMILES (the Sediment Model Invented for Long-tErm Simulations) for 100 kyr in the future driven by the output of an Earth System...
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Gas Hydrates on Alaskan Marine Margins
Gas hydrate distributions on the marine margins of the U.S. state of Alaska are more poorly known than those on other U.S. margins, where bottom...
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Specifics of the Earth’s Crust Structure in the Potential Gas Hydrate Accumulation Zones of the Arctic Basin
Due to the favorable thermobaric conditions of gas hydration in the Arctic Basin, mathematical modeling gives a positive forecast for potential zones...
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Gas Hydrate Potential in the Kara Sea
The Kara Sea shelf is an offshore continuation of the extensive West Siberia hydrocarbon province that stretches from the Novaya Zemlya archipelago...
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Ancient Seep Carbonates: From Outcrop Appearance to Microscopic Petrography
Precipitation of cements forming methane-derived carbonates is inherent to marine hydrocarbon seep environments. Carbonate deposits enriched in...
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Identification of active faults and tectonic features through heat flow distribution in the Nankai Trough, Japan, based on high-resolution velocity-estimated bottom-simulating reflector depths
Estimates of heat flow can contribute to our understanding of geological structures in plate convergent zones that produce great earthquakes. We...
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Stability of continental relic methane hydrates for the holocene climatic optimum and for contemporary conditions
Modelling of the thermal regime of permafrost soils has made it possible to estimate the stability of methane hydrates in the continental permafrost...
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Paleoclimate: Looking for the Importance of Antarctica
Less than 15 years ago, the prospect of understanding the climate millions of years ago did not seem credible to me, when we still do not understand...
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Other Types of Degassing in the Black Sea
This chapter provides an overview of other types of degassing in the Black Sea. In addition to mud volcanoes, there are numerous areas...
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Preliminary results based on geochemical sedimentary constraints on the hydrocarbon potential and depositional environment of a Messinian sub-salt mixed siliciclastic-carbonate succession onshore Crete (Plouti section, eastern Mediterranean)
This study details new geochemical analysis from an outcrop in Crete to improve understanding of the hydrocarbon potential of the southern margin of...
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Impact of regional climatic change on the stability of relic gas hydrates
This paper considers the impact of current climatic change on the permafrost strength and stability of relic gas hydrates in the Yamal Peninsula...
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Halotolerant Life in Feast or Famine: Organic Sources of Hydrocarbons and Fixers of Metals
A hydrocarbon source rock s generally considered to be a finegrained rock that, during its burial and heating, generates and releases enough fluids...
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Air-Sea Interactions of Natural Long-Lived Greenhouse Gases (CO2, N2O, CH4) in a Changing Climate
Understanding and quantifying ocean–atmosphere exchanges of the long-lived greenhouse gases carbon dioxide (CO2), nitrous oxide (N2O) and methane...