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Global Carbon Budget

Urheber*innen

Friedlingstein,  Pierre
External Organizations;

O'Sullivan,  Michael
External Organizations;

Jones,  Matthew W.
External Organizations;

Andrew,  Robbie M.
External Organizations;

Hauck,  Judith
External Organizations;

Landschützer,  Peter
External Organizations;

Le Quéré,  Corinne
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Li,  Hongmei
External Organizations;

Luijkx,  Ingrid T.
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Olsen,  Are
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Peters,  Glen P.
External Organizations;

Peters,  Wouter
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Pongratz,  Julia
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Schwingshackl,  Clemens
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Sitch,  Stephen
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Canadell,  Josep G.
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Ciais,  Philippe
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Jackson,  Robert B.
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Alin,  Simone R.
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Arneth,  Almut
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Arora,  Vivek
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Bates,  Nicholas R.
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Becker,  Meike
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Bellouin,  Nicolas
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Berghoff,  Carla F.
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Bittig,  Henry C.
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Bopp,  Laurent
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Cadule,  Patricia
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Campbell,  Katie
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Chamberlain,  Matthew A.
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Chandra,  Naveen
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Chevallier,  Frédéric
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Chini,  Louise P.
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Colligan,  Thomas
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Decayeux,  Jeanne
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Djeutchouang,  Laique
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Dou,  Xinyu
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Duran Rojas,  Carolina
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Enyo,  Kazutaka
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Evans,  Wiley
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Fay,  Amanda
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Feely,  Richard A.
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Ford,  Daniel J.
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Foster,  Adrianna
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Gasser,  Thomas
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Gehlen,  Marion
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Gkritzalis,  Thanos
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Grassi,  Giacomo
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Gregor,  Luke
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Gruber,  Nicolas
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Gürses,  Özgür
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Harris,  Ian
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Hefner,  Matthew
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/persons/resource/Jens.Heinke

Heinke,  Jens
Potsdam Institute for Climate Impact Research;

Hurtt,  George C.
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Iida,  Yosuke
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Ilyina,  Tatiana
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Jacobson,  Andrew R.
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Jain,  Atul
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Jarníková,  Tereza
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Jersild,  Annika
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Jiang,  Fei
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Jin,  Zhe
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Kato,  Etsushi
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Keeling,  Ralph F.
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Klein Goldewijk,  Kees
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Knauer,  Jürgen
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Korsbakken,  Jan Ivar
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Lauvset,  Siv K.
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Lefèvre,  Nathalie
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Liu,  Zhu
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Liu,  Junjie
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Ma,  Lei
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Maksyutov,  Shamil
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Marland,  Gregg
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Mayot,  Nicolas
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McGuire,  Patrick
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Metzl,  Nicolas
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Monacci,  Natalie M.
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Morgan,  Eric J.
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Nakaoka,  Shin-Ichiro
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Neill,  Craig
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Niwa,  Yosuke
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Nützel,  Tobias
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Olivier,  Lea
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Ono,  Tsuneo
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Palmer,  Paul I.
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Pierrot,  Denis
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Qin,  Zhangcai
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Resplandy,  Laure
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Roobaert,  Alizée
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Rosan,  Thais M.
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Rödenbeck,  Christian
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Schwinger,  Jörg
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Smallman,  T. Luke
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Smith,  Stephen
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Sospedra-Alfonso,  Reinel
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Steinhoff,  Tobias
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Sun,  Qing
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Sutton,  Adrienne J.
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Séférian,  Roland
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Takao,  Shintaro
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Tatebe,  Hiroaki
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Tian,  Hanqin
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Tilbrook,  Bronte
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Torres,  Olivier
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Tourigny,  Etienne
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Tsujino,  Hiroyuki
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Tubiello,  Frencesco
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van der Werf,  Guido
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Wanninkhof,  Rik
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Wang,  Xuhui
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Yang,  Dongxu
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Yang,  Xiaojuan
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Yu,  Zhen
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Yuan,  Wenping
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Yue,  Xu
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Zaehle,  Sönke
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Zeng,  Ning
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Zeng,  Jiye
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Volltexte (frei zugänglich)

essd-2024-519.pdf
(Preprint), 10MB

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Zitation

Friedlingstein, P., O'Sullivan, M., Jones, M. W., Andrew, R. M., Hauck, J., Landschützer, P., Le Quéré, C., Li, H., Luijkx, I. T., Olsen, A., Peters, G. P., Peters, W., Pongratz, J., Schwingshackl, C., Sitch, S., Canadell, J. G., Ciais, P., Jackson, R. B., Alin, S. R., Arneth, A., Arora, V., Bates, N. R., Becker, M., Bellouin, N., Berghoff, C. F., Bittig, H. C., Bopp, L., Cadule, P., Campbell, K., Chamberlain, M. A., Chandra, N., Chevallier, F., Chini, L. P., Colligan, T., Decayeux, J., Djeutchouang, L., Dou, X., Duran Rojas, C., Enyo, K., Evans, W., Fay, A., Feely, R. A., Ford, D. J., Foster, A., Gasser, T., Gehlen, M., Gkritzalis, T., Grassi, G., Gregor, L., Gruber, N., Gürses, Ö., Harris, I., Hefner, M., Heinke, J., Hurtt, G. C., Iida, Y., Ilyina, T., Jacobson, A. R., Jain, A., Jarníková, T., Jersild, A., Jiang, F., Jin, Z., Kato, E., Keeling, R. F., Klein Goldewijk, K., Knauer, J., Korsbakken, J. I., Lauvset, S. K., Lefèvre, N., Liu, Z., Liu, J., Ma, L., Maksyutov, S., Marland, G., Mayot, N., McGuire, P., Metzl, N., Monacci, N. M., Morgan, E. J., Nakaoka, S.-I., Neill, C., Niwa, Y., Nützel, T., Olivier, L., Ono, T., Palmer, P. I., Pierrot, D., Qin, Z., Resplandy, L., Roobaert, A., Rosan, T. M., Rödenbeck, C., Schwinger, J., Smallman, T. L., Smith, S., Sospedra-Alfonso, R., Steinhoff, T., Sun, Q., Sutton, A. J., Séférian, R., Takao, S., Tatebe, H., Tian, H., Tilbrook, B., Torres, O., Tourigny, E., Tsujino, H., Tubiello, F., van der Werf, G., Wanninkhof, R., Wang, X., Yang, D., Yang, X., Yu, Z., Yuan, W., Yue, X., Zaehle, S., Zeng, N., Zeng, J. (in press): Global Carbon Budget. - Earth System Science Data.


Zitierlink: https://publications.pik-potsdam.de/pubman/item/item_31931
Zusammenfassung
Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere in a changing climate is critical to better understand the global carbon cycle, support the development of climate policies, and project future climate change. Here we describe and synthesise datasets and methodologies to quantify the five major components of the global carbon budget and their uncertainties. Fossil CO2 emissions (EFOS) are based on energy statistics and cement production data, while emissions from land-use change (ELUC) are based on land-use and land-use change data and bookkeeping models. Atmospheric CO2 concentration is measured directly, and its growth rate (GATM) is computed from the annual changes in concentration. The ocean CO2 sink (SOCEAN) is estimated with global ocean biogeochemistry models and observation-based fCO2-products. The terrestrial CO2 sink (SLAND) is estimated with dynamic global vegetation models. Additional lines of evidence on land and ocean sinks are provided by atmospheric inversions, atmospheric oxygen measurements and Earth System Models. The sum of all sources and sinks results in the carbon budget imbalance (BIM), a measure of imperfect data and incomplete understanding of the contemporary carbon cycle. All uncertainties are reported as ±1σ. For the year 2023, EFOS increased by 1.3 % relative to 2022, with fossil emissions at 10.1 ± 0.5 GtC yr-1 (10.3 ± 0.5 GtC yr-1 when the cement carbonation sink is not included), ELUC was 1.0 ± 0.7 GtC yr-1, for a total anthropogenic CO2 emission (including the cement carbonation sink) of 11.1 ± 0.9 GtC yr-1 (40.6 ± 3.2 GtCO2 yr-1). Also, for 2023, GATM was 5.9 ± 0.2 GtC yr-1 (2.79 ± 0.1 ppm yr-1), SOCEAN was 2.9 ± 0.4 GtC yr-1 and SLAND was 2.3 ± 1.0 GtC yr-1, with a near zero BIM (-0.02 GtC yr-1). The global atmospheric CO2 concentration averaged over 2023 reached 419.3 ± 0.1 ppm. Preliminary data for 2024, suggest an increase in EFOS relative to 2023 of +0.8 % (-0.3 % to 1.9 %) globally, and atmospheric CO2 concentration increased by 2.8 ppm reaching 422.5 ppm, 52 % above pre-industrial level (around 278 ppm in 1750). Overall, the mean and trend in the components of the global carbon budget are consistently estimated over the period 1959–2023, with a near-zero overall budget imbalance, although discrepancies of up to around 1 GtC yr-1 persist for the representation of annual to semi-decadal variability in CO2 fluxes. Comparison of estimates from multiple approaches and observations shows: (1) a persistent large uncertainty in the estimate of land-use changes emissions, (2) a low agreement between the different methods on the magnitude of the land CO2 flux in the northern extra-tropics, and (3) a discrepancy between the different methods on the mean ocean sink. This living data update documents changes in methods and datasets applied to this most-recent global carbon budget as well as evolving community understanding of the global carbon cycle. The data presented in this work are available at https://doi.org/10.18160/GCP-2024 (Friedlingstein et al., 2024).