Permafrost and climate change: carbon cycle feedbacks from the warming Arctic

EAG Schuur, BW Abbott, R Commane… - Annual Review of …, 2022 - annualreviews.org
Rapid Arctic environmental change affects the entire Earth system as thawing permafrost
ecosystems release greenhouse gases to the atmosphere. Understanding how much …

Gas hydrates in sustainable chemistry

A Hassanpouryouzband, E Joonaki… - Chemical society …, 2020 - pubs.rsc.org
Gas hydrates have received considerable attention due to their important role in flow
assurance for the oil and gas industry, their extensive natural occurrence on Earth and …

How much of the earth's surface is underlain by permafrost?

J Obu - Journal of Geophysical Research: Earth Surface, 2021 - Wiley Online Library
More than 80% of studies reporting the area on Earth underlain by permafrost refer to the
extent of the permafrost region, which accounts for around 21 million km2 (22% of the …

Past permafrost dynamics can inform future permafrost carbon-climate feedbacks

MC Jones, G Grosse, C Treat, M Turetsky… - … Earth & Environment, 2023 - nature.com
Climate warming threatens to destabilize vast northern permafrost areas, potentially
releasing large quantities of organic carbon that could further disrupt the climate. Here we …

Rapid seafloor changes associated with the degradation of Arctic submarine permafrost

CK Paull, SR Dallimore, YK Jin… - Proceedings of the …, 2022 - National Acad Sciences
Repeated high-resolution bathymetric surveys of the shelf edge of the Canadian Beaufort
Sea during 2-to 9-y-long survey intervals reveal rapid morphological changes. New steep …

Timescales and processes of methane hydrate formation and breakdown, with application to geologic systems

CD Ruppel, WF Waite - Journal of Geophysical Research: Solid …, 2020 - Wiley Online Library
Gas hydrate is an ice‐like form of water and low molecular weight gas stable at
temperatures of roughly− 10° C to 25° C and pressures of~ 3 to 30 MPa in geologic systems …

Organic matter composition and greenhouse gas production of thawing subsea permafrost in the Laptev Sea

B Wild, N Shakhova, O Dudarev, A Ruban… - Nature …, 2022 - nature.com
Subsea permafrost represents a large carbon pool that might be or become a significant
greenhouse gas source. Scarcity of observational data causes large uncertainties. We here …

Identifying drivers of seasonality in Lena River biogeochemistry and dissolved organic matter fluxes

B Juhls, CA Stedmon, A Morgenstern… - Frontiers in …, 2020 - frontiersin.org
Warming air temperatures, shifting hydrological regimes and accelerating permafrost thaw in
the catchments of the Arctic rivers is affecting their biogeochemistry. Arctic river monitoring is …

[HTML][HTML] Subsea permafrost carbon stocks and climate change sensitivity estimated by expert assessment

SS Sayedi, BW Abbott, BF Thornton… - Environmental …, 2020 - iopscience.iop.org
The continental shelves of the Arctic Ocean and surrounding seas contain large stocks of
organic matter (OM) and methane (CH 4), representing a potential ecosystem feedback to …

Distribution of permafrost and gas hydrates in relation to intensive gas emission in the central part of the Laptev Sea (Russian Arctic)

V Bogoyavlensky, A Kishankov, A Kazanin… - Marine and Petroleum …, 2022 - Elsevier
This article describes the results of a comprehensive analysis of the causes of intensive gas
emission over a large zone (ca. 80× 220 km) of the Central Laptev shelf area. The upper …