Submarine slope failures due to pipe structure formation
There is a strong spatial correlation between submarine slope failures and the occurrence of gas hydrates. This has been attributed to the dynamic nature of gas hydrate systems and the potential reduction of slope stability due to bottom water warming or sea level drop. However, 30 years of research...
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ftpubmed:oai:pubmedcentral.nih.gov:5818647 2023-05-15T15:02:58+02:00 Submarine slope failures due to pipe structure formation Elger, Judith Berndt, Christian Rüpke, Lars Krastel, Sebastian Gross, Felix Geissler, Wolfram H. 2018-02-19 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5818647/ http://www.ncbi.nlm.nih.gov/pubmed/29459628 https://doi.org/10.1038/s41467-018-03176-1 en eng Nature Publishing Group UK http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5818647/ http://www.ncbi.nlm.nih.gov/pubmed/29459628 http://dx.doi.org/10.1038/s41467-018-03176-1 © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. CC-BY Article Text 2018 ftpubmed https://doi.org/10.1038/s41467-018-03176-1 2018-02-25T01:14:44Z There is a strong spatial correlation between submarine slope failures and the occurrence of gas hydrates. This has been attributed to the dynamic nature of gas hydrate systems and the potential reduction of slope stability due to bottom water warming or sea level drop. However, 30 years of research into this process found no solid supporting evidence. Here we present new reflection seismic data from the Arctic Ocean and numerical modelling results supporting a different link between hydrates and slope stability. Hydrates reduce sediment permeability and cause build-up of overpressure at the base of the gas hydrate stability zone. Resulting hydro-fracturing forms pipe structures as pathways for overpressured fluids to migrate upward. Where these pipe structures reach shallow permeable beds, this overpressure transfers laterally and destabilises the slope. This process reconciles the spatial correlation of submarine landslides and gas hydrate, and it is independent of environmental change and water depth. Text Arctic Arctic Ocean PubMed Central (PMC) Arctic Arctic Ocean Nature Communications 9 1 |
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Article Elger, Judith Berndt, Christian Rüpke, Lars Krastel, Sebastian Gross, Felix Geissler, Wolfram H. Submarine slope failures due to pipe structure formation |
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There is a strong spatial correlation between submarine slope failures and the occurrence of gas hydrates. This has been attributed to the dynamic nature of gas hydrate systems and the potential reduction of slope stability due to bottom water warming or sea level drop. However, 30 years of research into this process found no solid supporting evidence. Here we present new reflection seismic data from the Arctic Ocean and numerical modelling results supporting a different link between hydrates and slope stability. Hydrates reduce sediment permeability and cause build-up of overpressure at the base of the gas hydrate stability zone. Resulting hydro-fracturing forms pipe structures as pathways for overpressured fluids to migrate upward. Where these pipe structures reach shallow permeable beds, this overpressure transfers laterally and destabilises the slope. This process reconciles the spatial correlation of submarine landslides and gas hydrate, and it is independent of environmental change and water depth. |
format |
Text |
author |
Elger, Judith Berndt, Christian Rüpke, Lars Krastel, Sebastian Gross, Felix Geissler, Wolfram H. |
author_facet |
Elger, Judith Berndt, Christian Rüpke, Lars Krastel, Sebastian Gross, Felix Geissler, Wolfram H. |
author_sort |
Elger, Judith |
title |
Submarine slope failures due to pipe structure formation |
title_short |
Submarine slope failures due to pipe structure formation |
title_full |
Submarine slope failures due to pipe structure formation |
title_fullStr |
Submarine slope failures due to pipe structure formation |
title_full_unstemmed |
Submarine slope failures due to pipe structure formation |
title_sort |
submarine slope failures due to pipe structure formation |
publisher |
Nature Publishing Group UK |
publishDate |
2018 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5818647/ http://www.ncbi.nlm.nih.gov/pubmed/29459628 https://doi.org/10.1038/s41467-018-03176-1 |
geographic |
Arctic Arctic Ocean |
geographic_facet |
Arctic Arctic Ocean |
genre |
Arctic Arctic Ocean |
genre_facet |
Arctic Arctic Ocean |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5818647/ http://www.ncbi.nlm.nih.gov/pubmed/29459628 http://dx.doi.org/10.1038/s41467-018-03176-1 |
op_rights |
© The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
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CC-BY |
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https://doi.org/10.1038/s41467-018-03176-1 |
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Nature Communications |
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9 |
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1 |
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