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description Publicationkeyboard_double_arrow_right Article , Journal 2020 Netherlands, Norway, NetherlandsPublisher:IOP Publishing Funded by:NSF | Collaborative Research: R..., RSF | Share of the deep-Earth m..., NSF | Collaborative Research: A...NSF| Collaborative Research: Research, Synthesis, and Knowledge Transfer in a Changing Arctic: Science Support for the Study of Environmental Arctic Change (SEARCH) ,RSF| Share of the deep-Earth methane and the biogeochemical cycle in permafrost zone ,NSF| Collaborative Research: Arctic Stream Networks as Nutrient Sensors in Permafrost EcosystemsJay P. Zarnetske; Sebastian Westermann; Brett F. Thornton; Miriam C. Jones; Kathryn M. Schreiner; Jorien E. Vonk; Sayedeh Sara Sayedi; Robie W. Macdonald; Cuicui Mu; Paul Overduin; Benjamin W. Abbott; Gleb Kraev; Gleb Kraev; A. David McGuire; Edward A. G. Schuur; Jennifer M. Frederick; Matt O'Regan; Annie Bourbonnais; Nikita Demidov; Christian Stranne; Tingjun Zhang; Martin Jakobsson; A. A. Vasiliev; Brian Brown; DongJoo Joung; Rebecca J. Frei; Anatoly Gavrilov; Gustaf Hugelius; Shengping He; Sarah Baeumler; Christina Schädel; Elena Pizhankova; Mehran Ghandehari;Abstract The continental shelves of the Arctic Ocean and surrounding seas contain large stocks of organic matter (OM) and methane (CH4), representing a potential ecosystem feedback to climate change not included in international climate agreements. We performed a structured expert assessment with 25 permafrost researchers to combine quantitative estimates of the stocks and sensitivity of organic carbon in the subsea permafrost domain (i.e. unglaciated portions of the continental shelves exposed during the last glacial period). Experts estimated that the subsea permafrost domain contains ∼560 gigatons carbon (GtC; 170–740, 90% confidence interval) in OM and 45 GtC (10–110) in CH4. Current fluxes of CH4 and carbon dioxide (CO2) to the water column were estimated at 18 (2–34) and 38 (13–110) megatons C yr−1, respectively. Under Representative Concentration Pathway (RCP) RCP8.5, the subsea permafrost domain could release 43 Gt CO2-equivalent (CO2e) by 2100 (14–110) and 190 Gt CO2e by 2300 (45–590), with ∼30% fewer emissions under RCP2.6. The range of uncertainty demonstrates a serious knowledge gap but provides initial estimates of the magnitude and timing of the subsea permafrost climate feedback.
University of Bergen... arrow_drop_down University of Bergen: Bergen Open Research Archive (BORA-UiB)Article . 2020License: CC BYFull-Text: https://hdl.handle.net/11250/2762390Data sources: Bielefeld Academic Search Engine (BASE)Universitet i Oslo: Digitale utgivelser ved UiO (DUO)Article . 2021License: CC BYFull-Text: http://hdl.handle.net/10852/83674Data sources: Bielefeld Academic Search Engine (BASE)Environmental Research LettersArticle . 2020Bergen Open Research Archive - UiBArticle . 2020 . Peer-reviewedLicense: CC BYData sources: Bergen Open Research Archive - UiBadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/abcc29&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 38 citations 38 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!
more_vert University of Bergen... arrow_drop_down University of Bergen: Bergen Open Research Archive (BORA-UiB)Article . 2020License: CC BYFull-Text: https://hdl.handle.net/11250/2762390Data sources: Bielefeld Academic Search Engine (BASE)Universitet i Oslo: Digitale utgivelser ved UiO (DUO)Article . 2021License: CC BYFull-Text: http://hdl.handle.net/10852/83674Data sources: Bielefeld Academic Search Engine (BASE)Environmental Research LettersArticle . 2020Bergen Open Research Archive - UiBArticle . 2020 . Peer-reviewedLicense: CC BYData sources: Bergen Open Research Archive - UiBadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/abcc29&type=result"></script>'); --> </script>
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description Publicationkeyboard_double_arrow_right Article , Journal 2020 Netherlands, Norway, NetherlandsPublisher:IOP Publishing Funded by:NSF | Collaborative Research: R..., RSF | Share of the deep-Earth m..., NSF | Collaborative Research: A...NSF| Collaborative Research: Research, Synthesis, and Knowledge Transfer in a Changing Arctic: Science Support for the Study of Environmental Arctic Change (SEARCH) ,RSF| Share of the deep-Earth methane and the biogeochemical cycle in permafrost zone ,NSF| Collaborative Research: Arctic Stream Networks as Nutrient Sensors in Permafrost EcosystemsJay P. Zarnetske; Sebastian Westermann; Brett F. Thornton; Miriam C. Jones; Kathryn M. Schreiner; Jorien E. Vonk; Sayedeh Sara Sayedi; Robie W. Macdonald; Cuicui Mu; Paul Overduin; Benjamin W. Abbott; Gleb Kraev; Gleb Kraev; A. David McGuire; Edward A. G. Schuur; Jennifer M. Frederick; Matt O'Regan; Annie Bourbonnais; Nikita Demidov; Christian Stranne; Tingjun Zhang; Martin Jakobsson; A. A. Vasiliev; Brian Brown; DongJoo Joung; Rebecca J. Frei; Anatoly Gavrilov; Gustaf Hugelius; Shengping He; Sarah Baeumler; Christina Schädel; Elena Pizhankova; Mehran Ghandehari;Abstract The continental shelves of the Arctic Ocean and surrounding seas contain large stocks of organic matter (OM) and methane (CH4), representing a potential ecosystem feedback to climate change not included in international climate agreements. We performed a structured expert assessment with 25 permafrost researchers to combine quantitative estimates of the stocks and sensitivity of organic carbon in the subsea permafrost domain (i.e. unglaciated portions of the continental shelves exposed during the last glacial period). Experts estimated that the subsea permafrost domain contains ∼560 gigatons carbon (GtC; 170–740, 90% confidence interval) in OM and 45 GtC (10–110) in CH4. Current fluxes of CH4 and carbon dioxide (CO2) to the water column were estimated at 18 (2–34) and 38 (13–110) megatons C yr−1, respectively. Under Representative Concentration Pathway (RCP) RCP8.5, the subsea permafrost domain could release 43 Gt CO2-equivalent (CO2e) by 2100 (14–110) and 190 Gt CO2e by 2300 (45–590), with ∼30% fewer emissions under RCP2.6. The range of uncertainty demonstrates a serious knowledge gap but provides initial estimates of the magnitude and timing of the subsea permafrost climate feedback.
University of Bergen... arrow_drop_down University of Bergen: Bergen Open Research Archive (BORA-UiB)Article . 2020License: CC BYFull-Text: https://hdl.handle.net/11250/2762390Data sources: Bielefeld Academic Search Engine (BASE)Universitet i Oslo: Digitale utgivelser ved UiO (DUO)Article . 2021License: CC BYFull-Text: http://hdl.handle.net/10852/83674Data sources: Bielefeld Academic Search Engine (BASE)Environmental Research LettersArticle . 2020Bergen Open Research Archive - UiBArticle . 2020 . Peer-reviewedLicense: CC BYData sources: Bergen Open Research Archive - UiBadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/abcc29&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 38 citations 38 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!
more_vert University of Bergen... arrow_drop_down University of Bergen: Bergen Open Research Archive (BORA-UiB)Article . 2020License: CC BYFull-Text: https://hdl.handle.net/11250/2762390Data sources: Bielefeld Academic Search Engine (BASE)Universitet i Oslo: Digitale utgivelser ved UiO (DUO)Article . 2021License: CC BYFull-Text: http://hdl.handle.net/10852/83674Data sources: Bielefeld Academic Search Engine (BASE)Environmental Research LettersArticle . 2020Bergen Open Research Archive - UiBArticle . 2020 . Peer-reviewedLicense: CC BYData sources: Bergen Open Research Archive - UiBadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/abcc29&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu