File:Arctic carbon fluxes influenced by sea ice decline and permafrost thaw.webp

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Arctic carbon fluxes influenced by sea ice decline and permafrost thaw

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Description
English: Arctic carbon fluxes influenced by sea ice decline and permafrost thaw

On land, plants take up carbon while microorganisms in the soil produce methane and respire CO2. Lakes are net emitters of methane, and organic and inorganic carbon (dissolved and particulate) flow into the ocean through freshwater systems. In the ocean, methane can be released from thawing subsea permafrost, and CO2 is absorbed due to an undersaturation of CO2 in the water compared with the atmosphere. In addition, multiple fluxes are closely associated to sea ice. Current best estimates of atmospheric fluxes are given in Tg C year −1, where available. Note that the emission estimate for lakes is for the area North of ~50º N rather than the narrower definition of arctic tundra for the other terrestrial fluxes. When available, uncertainty ranges are shown in brackets. The arrows do not represent the size of each flux.

  • Adapted from: Parmentier, F.J.W., T.R. Christensen, L.L. Sørensen, S. Rysgaard, A.D. McGuire, P.A. Miller, and D.A. Walker. (2013). "The impact of lower sea-ice extent on Arctic greenhouse-gas exchange". Nature Climate Change, 3: 195–202. doi:10.1038/nclimate1784.
Date
Source [1] doi:10.1007/s13280-016-0872-8.
Author Frans-Jan W. Parmentier, Torben R. Christensen, Søren Rysgaard, Jørgen Bendtsen, Ronnie N. Glud, Brent Else, Jacobus van Huissteden, Torsten Sachs, Jorien E. Vonk & Mikael K. Sejr

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current06:28, 23 October 2020Thumbnail for version as of 06:28, 23 October 2020813 × 418 (52 KB)Epipelagic (talk | contribs)Uploaded a work by Frans-Jan W. Parmentier, Torben R. Christensen, Søren Rysgaard, Jørgen Bendtsen, Ronnie N. Glud, Brent Else, Jacobus van Huissteden, Torsten Sachs, Jorien E. Vonk & Mikael K. Sejr from [https://link.springer.com/article/10.1007/s13280-016-0872-8] {{doi|10.1007/s13280-016-0872-8}}. with UploadWizard

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