Large loss of CO2 in winter observed across the northern permafrost region

Natali, Susan M.; Watts, Jennifer D.; Rogers, Brendan M.; Potter, Stefano; Ludwig, Sarah M.; Selbmann, Anne-Katrin; Sullivan, Patrick F.; Abbott, Benjamin W.; Arndt, Kyle A.; Birch, Leah; Björkman, Mats P.; Bloom, A. Anthony; Celis, Gerardo; Christensen, Torben R.; Christiansen, Casper T.; Commane, Roisin; Cooper, Elisabeth J.; Crill, Patrick; Czimczik, Claudia; Davydov, Sergey; Du, Jinyang; Egan, Jocelyn E.; Elberling, Bo; Euskirchen, Eugenie S.; Friborg, Thomas; Genet, Hélène; Göckede, Mathias; Goodrich, Jordan P.; Grogan, Paul; Helbig, Manuel; Jafarov, Elchin E.; Jastrow, Julie D.; Kalhori, Aram A. M.; Kim, Yongwon; Kimball, John S.; Kutzbach, Lars; Lara, Mark J.; Larsen, Klaus S.; Lee, Bang-Yong; Liu, Zhihua; Loranty, Michael M.; Lund, Magnus; Lupascu, Massimo; Madani, Nima; Malhotra, Avni; Matamala, Roser; McFarland, Jack; McGuire, A. David; Michelsen, Anders; Minions, Christina; Oechel, Walter C.; Olefeldt, David; Parmentier, Frans-Jan W.; Pirk, Norbert; Poulter, Ben; Quinton, William; Rezanezhad, Fereidoun; Risk, David; Sachs, T.; Schaefer, Kevin; Schmidt, Niels M.; Schuur, Edward A. G.; Semenchuk, Philipp R.; Shaver, Gaius; Sonnentag, Oliver; Starr, Gregory; Treat, Claire C.; Waldrop, Mark P.; Wang, Yihui; Welker, Jeffrey; Wille, C.; Xu, Xiaofeng; Zhang, Zhen; Zhuang, Qianlai; Zona, Donatella

doi:10.1038/s41558-019-0592-8

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Large loss of CO2 in winter observed across the northern permafrost region

Urheber*innen

Natali, Susan M.
External Organizations;

Watts, Jennifer D.
External Organizations;

Rogers, Brendan M.
External Organizations;

Potter, Stefano
External Organizations;

Ludwig, Sarah M.
External Organizations;

Selbmann, Anne-Katrin
External Organizations;

Sullivan, Patrick F.
External Organizations;

Abbott, Benjamin W.
External Organizations;

Arndt, Kyle A.
External Organizations;

Birch, Leah
External Organizations;

Björkman, Mats P.
External Organizations;

Bloom, A. Anthony
External Organizations;

Celis, Gerardo
External Organizations;

Christensen, Torben R.
External Organizations;

Christiansen, Casper T.
External Organizations;

Commane, Roisin
External Organizations;

Cooper, Elisabeth J.
External Organizations;

Crill, Patrick
External Organizations;

Czimczik, Claudia
External Organizations;

Davydov, Sergey
External Organizations;

Du, Jinyang
External Organizations;

Egan, Jocelyn E.
External Organizations;

Elberling, Bo
External Organizations;

Euskirchen, Eugenie S.
External Organizations;

Friborg, Thomas
External Organizations;

Genet, Hélène
External Organizations;

Göckede, Mathias
External Organizations;

Goodrich, Jordan P.
External Organizations;

Grogan, Paul
External Organizations;

Helbig, Manuel
External Organizations;

Jafarov, Elchin E.
External Organizations;

Jastrow, Julie D.
External Organizations;

Kalhori, Aram A. M.
External Organizations;

Kim, Yongwon
External Organizations;

Kimball, John S.
External Organizations;

Kutzbach, Lars
External Organizations;

Lara, Mark J.
External Organizations;

Larsen, Klaus S.
External Organizations;

Lee, Bang-Yong
External Organizations;

Liu, Zhihua
External Organizations;

Loranty, Michael M.
External Organizations;

Lund, Magnus
External Organizations;

Lupascu, Massimo
External Organizations;

Madani, Nima
External Organizations;

Malhotra, Avni
External Organizations;

Matamala, Roser
External Organizations;

McFarland, Jack
External Organizations;

McGuire, A. David
External Organizations;

Michelsen, Anders
External Organizations;

Minions, Christina
External Organizations;

Oechel, Walter C.
External Organizations;

Olefeldt, David
External Organizations;

Parmentier, Frans-Jan W.
External Organizations;

Pirk, Norbert
External Organizations;

Poulter, Ben
External Organizations;

Quinton, William
External Organizations;

Rezanezhad, Fereidoun
External Organizations;

Risk, David
External Organizations;

/persons/resource/tsachs

Sachs, T.
1.4 Remote Sensing, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Schaefer, Kevin
External Organizations;

Schmidt, Niels M.
External Organizations;

Schuur, Edward A. G.
External Organizations;

Semenchuk, Philipp R.
External Organizations;

Shaver, Gaius
External Organizations;

Sonnentag, Oliver
External Organizations;

Starr, Gregory
External Organizations;

Treat, Claire C.
External Organizations;

Waldrop, Mark P.
External Organizations;

Wang, Yihui
External Organizations;

Welker, Jeffrey
External Organizations;

/persons/resource/cwille

Wille, C.
1.4 Remote Sensing, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Xu, Xiaofeng
External Organizations;

Zhang, Zhen
External Organizations;

Zhuang, Qianlai
External Organizations;

Zona, Donatella
External Organizations;

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Zitation

Natali, S. M., Watts, J. D., Rogers, B. M., Potter, S., Ludwig, S. M., Selbmann, A.-K., Sullivan, P. F., Abbott, B. W., Arndt, K. A., Birch, L., Björkman, M. P., Bloom, A. A., Celis, G., Christensen, T. R., Christiansen, C. T., Commane, R., Cooper, E. J., Crill, P., Czimczik, C., Davydov, S., Du, J., Egan, J. E., Elberling, B., Euskirchen, E. S., Friborg, T., Genet, H., Göckede, M., Goodrich, J. P., Grogan, P., Helbig, M., Jafarov, E. E., Jastrow, J. D., Kalhori, A. A. M., Kim, Y., Kimball, J. S., Kutzbach, L., Lara, M. J., Larsen, K. S., Lee, B.-Y., Liu, Z., Loranty, M. M., Lund, M., Lupascu, M., Madani, N., Malhotra, A., Matamala, R., McFarland, J., McGuire, A. D., Michelsen, A., Minions, C., Oechel, W. C., Olefeldt, D., Parmentier, F.-J.-W., Pirk, N., Poulter, B., Quinton, W., Rezanezhad, F., Risk, D., Sachs, T., Schaefer, K., Schmidt, N. M., Schuur, E. A. G., Semenchuk, P. R., Shaver, G., Sonnentag, O., Starr, G., Treat, C. C., Waldrop, M. P., Wang, Y., Welker, J., Wille, C., Xu, X., Zhang, Z., Zhuang, Q., Zona, D. (2019): Large loss of CO2 in winter observed across the northern permafrost region. - Nature Climate Change, 9, 852-857.
https://doi.org/10.1038/s41558-019-0592-8

Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_4751888

Zusammenfassung

Recent warming in the Arctic, which has been amplified during the winter1,2,3, greatly enhances microbial decomposition of soil organic matter and subsequent release of carbon dioxide (CO2)4. However, the amount of CO2 released in winter is not known and has not been well represented by ecosystem models or empirically based estimates5,6. Here we synthesize regional in situ observations of CO2 flux from Arctic and boreal soils to assess current and future winter carbon losses from the northern permafrost domain. We estimate a contemporary loss of 1,662 TgC per year from the permafrost region during the winter season (October–April). This loss is greater than the average growing season carbon uptake for this region estimated from process models (−1,032 TgC per year). Extending model predictions to warmer conditions up to 2100 indicates that winter CO2 emissions will increase 17% under a moderate mitigation scenario—Representative Concentration Pathway 4.5—and 41% under business-as-usual emissions scenario—Representative Concentration Pathway 8.5. Our results provide a baseline for winter CO2 emissions from northern terrestrial regions and indicate that enhanced soil CO2 loss due to winter warming may offset growing season carbon uptake under future climatic conditions.