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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 EcosystemsAuthors:Jay P. Zarnetske;
Jay P. Zarnetske
Jay P. Zarnetske in OpenAIRESebastian Westermann;
Sebastian Westermann
Sebastian Westermann in OpenAIREBrett F. Thornton;
Brett F. Thornton
Brett F. Thornton in OpenAIREMiriam C. Jones;
+29 AuthorsMiriam C. Jones
Miriam C. Jones in OpenAIREJay P. Zarnetske;
Jay P. Zarnetske
Jay P. Zarnetske in OpenAIRESebastian Westermann;
Sebastian Westermann
Sebastian Westermann in OpenAIREBrett F. Thornton;
Brett F. Thornton
Brett F. Thornton in OpenAIREMiriam C. Jones;
Miriam C. Jones
Miriam C. Jones in OpenAIREKathryn M. Schreiner;
Kathryn M. Schreiner
Kathryn M. Schreiner in OpenAIREJorien E. Vonk;
Jorien E. Vonk
Jorien E. Vonk in OpenAIRESayedeh Sara Sayedi;
Robie W. Macdonald; Cuicui Mu;Sayedeh Sara Sayedi
Sayedeh Sara Sayedi in OpenAIREPaul Overduin;
Paul Overduin
Paul Overduin in OpenAIREBenjamin W. Abbott;
Benjamin W. Abbott
Benjamin W. Abbott in OpenAIREGleb Kraev;
Gleb Kraev; A. David McGuire; Edward A. G. Schuur;Gleb Kraev
Gleb Kraev in OpenAIREJennifer M. Frederick;
Matt O'Regan;Jennifer M. Frederick
Jennifer M. Frederick in OpenAIREAnnie Bourbonnais;
Nikita Demidov;Annie Bourbonnais
Annie Bourbonnais in OpenAIREChristian Stranne;
Christian Stranne
Christian Stranne in OpenAIRETingjun Zhang;
Tingjun Zhang
Tingjun Zhang in OpenAIREMartin Jakobsson;
A. A. Vasiliev; Brian Brown;Martin Jakobsson
Martin Jakobsson in OpenAIREDongJoo Joung;
DongJoo Joung
DongJoo Joung in OpenAIRERebecca J. Frei;
Anatoly Gavrilov; Gustaf Hugelius;Rebecca J. Frei
Rebecca J. Frei in OpenAIREShengping He;
Shengping He
Shengping He in OpenAIRESarah Baeumler;
Sarah Baeumler
Sarah Baeumler in OpenAIREChristina Schädel;
Elena Pizhankova;Christina Schädel
Christina Schädel in OpenAIREMehran Ghandehari;
Mehran Ghandehari
Mehran Ghandehari in OpenAIREAbstract 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.
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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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