Recent advances in the study of Arctic submarine permafrost
Submarine permafrost is perennially cryotic earth material that lies offshore. Most submarine permafrost is relict terrestrial permafrost beneath the Arctic shelf seas, was inundated after the last glaciation, and has been warming and thawing ever since. As a reservoir and confining layer for gas hy...
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ftsubggeo:oai:e-docs.geo-leo.de:11858/8785 2023-05-15T14:46:36+02:00 Recent advances in the study of Arctic submarine permafrost Angelopoulos, Michael Overduin, Pier P. Miesner, Frederieke Grigoriev, Mikhail N. Vasiliev, Alexander A. 2020 https://doi.org/10.1002/ppp.2061 http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/8785 eng eng doi:10.1002/ppp.2061 http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/8785 This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. CC-BY ddc:551.38 Arctic offshore submarine permafrost subsea thaw rates doc-type:article 2020 ftsubggeo https://doi.org/10.1002/ppp.2061 2022-11-09T06:51:38Z Submarine permafrost is perennially cryotic earth material that lies offshore. Most submarine permafrost is relict terrestrial permafrost beneath the Arctic shelf seas, was inundated after the last glaciation, and has been warming and thawing ever since. As a reservoir and confining layer for gas hydrates, it has the potential to release greenhouse gasses and impact coastal infrastructure, but its distribution and rate of thaw are poorly constrained by observational data. Lengthening summers, reduced sea ice extent and increased solar heating will increase water temperatures and thaw rates. Observations of gas release from the East Siberian shelf and high methane concentrations in the water column and air above it have been attributed to flowpaths created in thawing permafrost. In this context, it is important to understand the distribution and state of submarine permafrost and how they are changing. We assemble recent and historical drilling data on regional submarine permafrost degradation rates and review recent studies that use modelling, geophysical mapping and geomorphology to characterize submarine permafrost. Implications for submarine permafrost thawing are discussed within the context of methane cycling in the Arctic Ocean and global climate change. Article in Journal/Newspaper Arctic Arctic Ocean Climate change Ice permafrost Sea ice GEO-LEOe-docs (FID GEO) Arctic Arctic Ocean East Siberian Shelf ENVELOPE(-162.267,-162.267,74.400,74.400) Permafrost and Periglacial Processes 31 3 442 453 |
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Open Polar |
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GEO-LEOe-docs (FID GEO) |
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ftsubggeo |
language |
English |
topic |
ddc:551.38 Arctic offshore submarine permafrost subsea thaw rates |
spellingShingle |
ddc:551.38 Arctic offshore submarine permafrost subsea thaw rates Angelopoulos, Michael Overduin, Pier P. Miesner, Frederieke Grigoriev, Mikhail N. Vasiliev, Alexander A. Recent advances in the study of Arctic submarine permafrost |
topic_facet |
ddc:551.38 Arctic offshore submarine permafrost subsea thaw rates |
description |
Submarine permafrost is perennially cryotic earth material that lies offshore. Most submarine permafrost is relict terrestrial permafrost beneath the Arctic shelf seas, was inundated after the last glaciation, and has been warming and thawing ever since. As a reservoir and confining layer for gas hydrates, it has the potential to release greenhouse gasses and impact coastal infrastructure, but its distribution and rate of thaw are poorly constrained by observational data. Lengthening summers, reduced sea ice extent and increased solar heating will increase water temperatures and thaw rates. Observations of gas release from the East Siberian shelf and high methane concentrations in the water column and air above it have been attributed to flowpaths created in thawing permafrost. In this context, it is important to understand the distribution and state of submarine permafrost and how they are changing. We assemble recent and historical drilling data on regional submarine permafrost degradation rates and review recent studies that use modelling, geophysical mapping and geomorphology to characterize submarine permafrost. Implications for submarine permafrost thawing are discussed within the context of methane cycling in the Arctic Ocean and global climate change. |
format |
Article in Journal/Newspaper |
author |
Angelopoulos, Michael Overduin, Pier P. Miesner, Frederieke Grigoriev, Mikhail N. Vasiliev, Alexander A. |
author_facet |
Angelopoulos, Michael Overduin, Pier P. Miesner, Frederieke Grigoriev, Mikhail N. Vasiliev, Alexander A. |
author_sort |
Angelopoulos, Michael |
title |
Recent advances in the study of Arctic submarine permafrost |
title_short |
Recent advances in the study of Arctic submarine permafrost |
title_full |
Recent advances in the study of Arctic submarine permafrost |
title_fullStr |
Recent advances in the study of Arctic submarine permafrost |
title_full_unstemmed |
Recent advances in the study of Arctic submarine permafrost |
title_sort |
recent advances in the study of arctic submarine permafrost |
publishDate |
2020 |
url |
https://doi.org/10.1002/ppp.2061 http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/8785 |
long_lat |
ENVELOPE(-162.267,-162.267,74.400,74.400) |
geographic |
Arctic Arctic Ocean East Siberian Shelf |
geographic_facet |
Arctic Arctic Ocean East Siberian Shelf |
genre |
Arctic Arctic Ocean Climate change Ice permafrost Sea ice |
genre_facet |
Arctic Arctic Ocean Climate change Ice permafrost Sea ice |
op_relation |
doi:10.1002/ppp.2061 http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/8785 |
op_rights |
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1002/ppp.2061 |
container_title |
Permafrost and Periglacial Processes |
container_volume |
31 |
container_issue |
3 |
container_start_page |
442 |
op_container_end_page |
453 |
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1766317819642773504 |