Modeling the climate response to a massive methane release from gas hydrates
[1] The climate response to a massive release of methane from gas hydrates is simulated in two 2500-year-long numerical experiments performed with a three-dimensional, global coupled atmosphere-sea ice-ocean model of intermediate complexity. Two different equilibrium states were used as reference cl...
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Amer Geophysical Union
2004
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Online Access: | http://hdl.handle.net/2078.1/40203 https://doi.org/10.1029/2003PA000968 |
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ftunivlouvain:oai:dial.uclouvain.be:boreal:40203 2024-05-19T07:48:21+00:00 Modeling the climate response to a massive methane release from gas hydrates Renssen, H. Beets, CJ Fichefet, Thierry Goosse, Hugues Kroon, D UCL - SC/PHYS - Département de physique UCL - SST/ELI/ELIC - Earth & Climate 2004 http://hdl.handle.net/2078.1/40203 https://doi.org/10.1029/2003PA000968 eng eng Amer Geophysical Union boreal:40203 http://hdl.handle.net/2078.1/40203 doi:10.1029/2003PA000968 urn:ISSN:0883-8305 urn:EISSN:1944-9186 Paleoceanography, Vol. 19, no. 2 (2004) methane climate model info:eu-repo/semantics/article 2004 ftunivlouvain https://doi.org/10.1029/2003PA000968 2024-04-24T01:49:20Z [1] The climate response to a massive release of methane from gas hydrates is simulated in two 2500-year-long numerical experiments performed with a three-dimensional, global coupled atmosphere-sea ice-ocean model of intermediate complexity. Two different equilibrium states were used as reference climates; the first state with preindustrial forcing conditions and the second state with a four times higher atmospheric CO2 concentration. These climates were perturbed by prescribing a methane emission scenario equivalent to that computed for the Paleocene/Eocene thermal maximum (PETM; similar to55.5 Ma), involving a sudden release of 1500 Gt of carbon into the atmosphere in 1000 years. In both cases, this produced rapid atmospheric warming (up to 10degreesC at high latitudes) and a reorganization of the global overturning ocean circulation. In the ocean, maximum warming (2-4degreesC) occurred at intermediate depths where methane hydrates are stored in the upper slope sediments, suggesting that further hydrate instability could result from the prescribed scenario. Article in Journal/Newspaper Sea ice DIAL@UCLouvain (Université catholique de Louvain) Paleoceanography 19 2 n/a n/a |
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Open Polar |
collection |
DIAL@UCLouvain (Université catholique de Louvain) |
op_collection_id |
ftunivlouvain |
language |
English |
topic |
methane climate model |
spellingShingle |
methane climate model Renssen, H. Beets, CJ Fichefet, Thierry Goosse, Hugues Kroon, D Modeling the climate response to a massive methane release from gas hydrates |
topic_facet |
methane climate model |
description |
[1] The climate response to a massive release of methane from gas hydrates is simulated in two 2500-year-long numerical experiments performed with a three-dimensional, global coupled atmosphere-sea ice-ocean model of intermediate complexity. Two different equilibrium states were used as reference climates; the first state with preindustrial forcing conditions and the second state with a four times higher atmospheric CO2 concentration. These climates were perturbed by prescribing a methane emission scenario equivalent to that computed for the Paleocene/Eocene thermal maximum (PETM; similar to55.5 Ma), involving a sudden release of 1500 Gt of carbon into the atmosphere in 1000 years. In both cases, this produced rapid atmospheric warming (up to 10degreesC at high latitudes) and a reorganization of the global overturning ocean circulation. In the ocean, maximum warming (2-4degreesC) occurred at intermediate depths where methane hydrates are stored in the upper slope sediments, suggesting that further hydrate instability could result from the prescribed scenario. |
author2 |
UCL - SC/PHYS - Département de physique UCL - SST/ELI/ELIC - Earth & Climate |
format |
Article in Journal/Newspaper |
author |
Renssen, H. Beets, CJ Fichefet, Thierry Goosse, Hugues Kroon, D |
author_facet |
Renssen, H. Beets, CJ Fichefet, Thierry Goosse, Hugues Kroon, D |
author_sort |
Renssen, H. |
title |
Modeling the climate response to a massive methane release from gas hydrates |
title_short |
Modeling the climate response to a massive methane release from gas hydrates |
title_full |
Modeling the climate response to a massive methane release from gas hydrates |
title_fullStr |
Modeling the climate response to a massive methane release from gas hydrates |
title_full_unstemmed |
Modeling the climate response to a massive methane release from gas hydrates |
title_sort |
modeling the climate response to a massive methane release from gas hydrates |
publisher |
Amer Geophysical Union |
publishDate |
2004 |
url |
http://hdl.handle.net/2078.1/40203 https://doi.org/10.1029/2003PA000968 |
genre |
Sea ice |
genre_facet |
Sea ice |
op_source |
Paleoceanography, Vol. 19, no. 2 (2004) |
op_relation |
boreal:40203 http://hdl.handle.net/2078.1/40203 doi:10.1029/2003PA000968 urn:ISSN:0883-8305 urn:EISSN:1944-9186 |
op_doi |
https://doi.org/10.1029/2003PA000968 |
container_title |
Paleoceanography |
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19 |
container_issue |
2 |
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_version_ |
1799466563432087552 |