Global Carbon Budget 2019

Friedlingstein, Pierre; Jones, Matthew W.; O’Sullivan, Michael; Andrew, Robbie M.; Hauck, Judith; Peters, Glen P.; Peters, Wouter; Pongratz, Julia; Sitch, Stephen; Quéré, Corinne Le; Bakker, D. C. E.; Canadell, Josep G.; Ciais, Philippe; Jackson, Robert B.; Anthoni, Peter; Barbero, Leticia; Bastos, Ana; Bastrikov, Vladislav; Becker, Meike; Bopp, Laurent; Buitenhuis, Erik T.; Chandra, Naveen; Chevallier, F.; Chini, L. P.; Currie, Kim; Feely, Richard A.; Gehlen, Marion; Gilfillan, Dennis; Gkritzalis, Thanos; Goll, Daniel S.; Gruber, Nicolas; Gutekunst, Sören; Harris, Ian; Haverd, Vanessa; Houghton, Richard A.; Hurtt, George C.; Ilyina, Tatiana; Joetzjer, Émilie; Kaplan, Jed O.; Kato, Etsushi; Goldewijk, Kees Klein; Korsbakken, Jan Ivar; Landschützer, Peter; Lauvset, Siv K.; Lefèvre, Nathalie; Lenton, Andrew; Lienert, Sebastian; Lombardozzi, Danica; Marland, Gregg; McGuire, Patrick C.; Melton, Joe R.; Metzl, Nicolas; Munro, David R.; Nabel, Julia E. M. S.; Nakaoka, Shin‐Ichiro; Neill, Craig; Omar, Abdirahman M; Ono, Tsuneo; Peregon, Anna; Pierrot, Denis; Poulter, Benjamin; Rehder, Gregor; Resplandy, Laure; Robertson, Eddy; Rödenbeck, Christian; Séférian, Roland; Schwinger, Jörg; Smith, Naomi; Tans, Pieter P.; Tian, Hanqin; Tilbrook, Bronte; Tubiello, Francesco N.; Werf, Guido R. van der; Wiltshire, Andrew J.; Zaehle, Sönke

doi:10.5194/essd-2019-183

Cited by 273 publications

(463 citation statements)

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“…Again, all of the values except land uptake are from Friedlingstein et al (2019). The land uptake here was calculated from the other terms.…”

Section: The Net Flux Of Carbon From Indirect Anthropogenic Effects Amentioning

confidence: 99%

“…There are now multiple approaches for determining the role land plays in the global carbon budget (e.g., Bacastow & Keeling, 1973; Rogelj, Forster, Kriegler, Smith, & Séférian, 2019; Wigley, 1993; Zickfeld et al, 2013). The most authoritative and updated global carbon budget is published annually by the Global Carbon Project (GCP; Canadell et al, 2007; Friedlingstein et al, 2019; Raupach et al, 2007). Besides describing the methods and evaluating the annual emissions of carbon from combustion of fossil fuels and land‐use change, the budget evaluates the annual growth of CO 2 in the atmosphere, and the annual uptake of carbon by oceans and land—a total of five annual fluxes.…”

Section: Introductionmentioning

confidence: 99%

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Terrestrial fluxes of carbon in GCP carbon budgets

Houghton

2020

Global Change Biology

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The Global Carbon Project (GCP) has published global carbon budgets annually since 2007 (Canadell et al. [2007], Proc Natl Acad Sci USA, 104, 18866–18870; Raupach et al. [2007], Proc Natl Acad Sci USA, 104, 10288–10293). There are many scientists involved, but the terrestrial fluxes that appear in the budgets are not well understood by ecologists and biogeochemists outside of that community. The purpose of this paper is to make the terrestrial fluxes of carbon in those budgets more accessible to a broader community. The GCP budget is composed of annual perturbations from pre‐industrial conditions, driven by addition of carbon to the system from combustion of fossil fuels and by transfers of carbon from land to the atmosphere as a result of land use. The budget includes a term for each of the major fluxes of carbon (fossil fuels, oceans, land) as well as the rate of carbon accumulation in the atmosphere. Land is represented by two terms: one resulting from direct anthropogenic effects (Land Use, Land‐Use Change, and Forestry or land management) and one resulting from indirect anthropogenic (e.g., CO2, climate change) and natural effects. Each of these two net terrestrial fluxes of carbon, in turn, is composed of opposing gross emissions and removals (e.g., deforestation and forest regrowth). Although the GCP budgets have focused on the two net terrestrial fluxes, they have paid little attention to the gross components, which are important for a number of reasons, including understanding the potential for land management to remove CO2 from the atmosphere and understanding the processes responsible for the sink for carbon on land. In contrast to the net fluxes of carbon, which are constrained by the global carbon budget, the gross fluxes are largely unconstrained, suggesting that there is more uncertainty than commonly believed about how terrestrial carbon emissions will respond to future fossil fuel emissions and a changing climate.

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“…Again, all of the values except land uptake are from Friedlingstein et al (2019). The land uptake here was calculated from the other terms.…”

Section: The Net Flux Of Carbon From Indirect Anthropogenic Effects Amentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Terrestrial fluxes of carbon in GCP carbon budgets

Houghton

2020

Global Change Biology

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“…Understanding the consequences of climate warming on soil microbial activity is important due to the potential feedbacks to global air temperature rise , Davidson and Janssens, 2006, Friedlingstein et al, 2006. In recent decades, rising air temperatures have reduced the depth and duration of winter snow in temperate ecosystems that have historically experienced a seasonal snowpack , Henry, 2008, Kreyling and Henry, 2011.…”

Section: Introductionmentioning

confidence: 99%

Winter soil freeze-thaw cycles lead to reductions in soil microbial biomass and activity not compensated for by soil warming

Sørensen

Finzi

Giasson

et al. 2018

Soil Biology and Biochemistry

102

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“…The ocean has absorbed the equivalent of 39% of fossil carbon emissions since 1750, significantly modulating the growth of atmospheric CO2 and the associated climate change (Friedlingstein et al 2019;Le Quéré et al, 2018a,b;McKinley et al, 2017;Ciais et al, 2013). This sink is expected to grow and substantially mitigate atmospheric carbon accumulation for the next several centuries (Randerson et al, 2015).…”

Section: Plain Language Summarymentioning

confidence: 99%