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Alexey Portnov
Alexey Portnov
University of Texas Institute for Geophysics (UTIG)
Verified email at austin.utexas.edu - Homepage
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Cited by
Year
Postglacial response of Arctic Ocean gas hydrates to climatic amelioration
P Serov, S Vadakkepuliyambatta, J Mienert, H Patton, A Portnov, ...
Proceedings of the National Academy of Sciences 114 (24), 6215-6220, 2017
1262017
Ice-sheet-driven methane storage and release in the Arctic
A Portnov, S Vadakkepuliyambatta, J Mienert, A Hubbard
Nature communications 7 (1), 10314, 2016
121*2016
Offshore permafrost decay and massive seabed methane escape in water depths> 20 m at the South Kara Sea shelf
A Portnov, AJ Smith, J Mienert, G Cherkashov, P Rekant, P Semenov, ...
Geophysical Research Letters 40 (15), 3962-3967, 2013
1072013
Methane release from pingo‐like features across the South Kara Sea shelf, an area of thawing offshore permafrost
P Serov, A Portnov, J Mienert, P Semenov, P Ilatovskaya
Journal of Geophysical Research: Earth Surface 120 (8), 1515-1529, 2015
752015
Modeling the evolution of climate‐sensitive Arctic subsea permafrost in regions of extensive gas expulsion at the West Yamal shelf
A Portnov, J Mienert, P Serov
Journal of geophysical research: Biogeosciences 119 (11), 2082-2094, 2014
742014
Reduced methane seepage from Arctic sediments during cold bottom-water conditions
B Ferré, PG Jansson, M Moser, P Serov, A Portnov, CA Graves, G Panieri, ...
Nature Geoscience 13 (2), 144-148, 2020
682020
Geophysical and geochemical controls on the megafaunal community of a high Arctic cold seep
A Sen, EKL Åström, WL Hong, A Portnov, M Waage, P Serov, ML Carroll, ...
Biogeosciences 15 (14), 4533-4559, 2018
612018
Pressure coring a Gulf of Mexico deep-water turbidite gas hydrate reservoir: Initial results from The University of Texas–Gulf of Mexico 2-1 (UT-GOM2-1) Hydrate Pressure Coring …
PB Flemings, SC Phillips, R Boswell, TS Collett, AE Cook, T Dong, M Frye, ...
Aapg Bulletin 104 (9), 1847-1876, 2020
482020
Geological controls on fluid flow and gas hydrate pingo development on the Barents Sea margin
M Waage, A Portnov, P Serov, S Bünz, KA Waghorn, ...
Geochemistry, Geophysics, Geosystems 20 (2), 630-650, 2019
442019
Evolution of subsea permafrost landscapes in Arctic Siberia since the Late Pleistocene: a synoptic insight from acoustic data of the Laptev Sea
P Rekant, HA Bauch, T Schwenk, A Portnov, E Gusev, V Spiess, ...
arktos 1, 1-15, 2015
422015
Variations in gas and water pulses at an Arctic seep: fluid sources and methane transport
WL Hong, ME Torres, A Portnov, M Waage, B Haley, A Lepland
Geophysical Research Letters 45 (9), 4153-4162, 2018
412018
Gas‐emission craters of the Yamal and Gydan peninsulas: A proposed mechanism for lake genesis and development of permafrost landscapes
YA Dvornikov, MO Leibman, AV Khomutov, AI Kizyakov, P Semenov, ...
Permafrost and Periglacial Processes 30 (3), 146-162, 2019
362019
Clustered BSRs: Evidence for gas hydrate-bearing turbidite complexes in folded regions, example from the Perdido Fold Belt, northern Gulf of Mexico
A Portnov, AE Cook, DE Sawyer, C Yang, JIT Hillman, WF Waite
Earth and Planetary Science Letters 528, 115843, 2019
342019
Salt-driven evolution of a gas hydrate reservoir in Green Canyon, Gulf of Mexico
A Portnov, AE Cook, M Heidari, DE Sawyer, M Santra, M Nikolinakou
AAPG Bulletin 104 (9), 1903-1919, 2020
272020
Basement segmentation and tectonic structure of the Lomonosov Ridge, Arctic Ocean: Insights from bedrock geochronology
P Rekant, N Sobolev, A Portnov, B Belyatsky, G Dipre, A Pakhalko, ...
Journal of Geodynamics 128, 38-54, 2019
232019
The Jackalope gas hydrate system in the northeastern Gulf of Mexico
A Portnov, M Santra, AE Cook, DE Sawyer
Marine and Petroleum Geology 111, 261-278, 2020
192020
Submarine landslides induce massive waves in subsea brine pools
DE Sawyer, RA Mason, AE Cook, A Portnov
Scientific reports 9 (1), 128, 2019
172019
Geochemical evidence for seabed fluid flow linked to the subsea permafrost outer border in the South Kara Sea
P Semenov, A Portnov, A Krylov, A Egorov, B Vanshtein
Geochemistry 80 (3), 125509, 2020
142020
Diverse gas composition controls the Moby-Dick gas hydrate system in the Gulf of Mexico
A Portnov, AE Cook, S Vadakkepuliyambatta
Geology 49 (12), 1446-1451, 2021
132021
Distinct methane-dependent biogeochemical states in Arctic seafloor gas hydrate mounds
SA Klasek, WL Hong, ME Torres, S Ross, K Hostetler, A Portnov, ...
Nature communications 12 (1), 6296, 2021
102021
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