Articles | Volume 15, issue 3
https://doi.org/10.5194/essd-15-1093-2023
https://doi.org/10.5194/essd-15-1093-2023
Data description paper
 | 
10 Mar 2023
Data description paper |  | 10 Mar 2023

Harmonising the land-use flux estimates of global models and national inventories for 2000–2020

Giacomo Grassi, Clemens Schwingshackl, Thomas Gasser, Richard A. Houghton, Stephen Sitch, Josep G. Canadell, Alessandro Cescatti, Philippe Ciais, Sandro Federici, Pierre Friedlingstein, Werner A. Kurz, Maria J. Sanz Sanchez, Raúl Abad Viñas, Ramdane Alkama, Selma Bultan, Guido Ceccherini, Stefanie Falk, Etsushi Kato, Daniel Kennedy, Jürgen Knauer, Anu Korosuo, Joana Melo, Matthew J. McGrath, Julia E. M. S. Nabel, Benjamin Poulter, Anna A. Romanovskaya, Simone Rossi, Hanqin Tian, Anthony P. Walker, Wenping Yuan, Xu Yue, and Julia Pongratz

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Cited articles

Anderegg, W. R., Trugman, A. T., Badgley, G., Anderson, C. M., Bartuska, A., Ciais, P., Cullenward, D., Field, C. B., Freeman, J., Goetz, S. J., and Hicke, J. A.: Climate-driven risks to the climate mitigation potential of forests, Science, 368, 6497, https://doi.org/10.1126/science.aaz7005, 2020. 
Arneth, A., Sitch, S., Pongratz, J., Stocker, B. D., Ciais, P., Poulter, B., Bayer, A. D., Bondeau, A., Calle, L., Chini, L. P., and Gasser, T.: Historical carbon dioxide emissions caused by land-use changes are possibly larger than assumed, Nat. Geosci., 10, 79–84, 2017. 
Australia: National Inventory Report (NIR), https://unfccc.int/documents/478957, last access: 20 December 2022. 
Brazil: National Communication 3, https://unfccc.int/documents/66129 (last access: 20 December 2022), 2020. 
Canada: National Inventory Report (NIR), https://unfccc.int/documents/461919, last access: 20 December 2022. 
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Short summary
Striking differences exist in estimates of land-use CO2 fluxes between the national greenhouse gas inventories and the IPCC assessment reports. These differences hamper an accurate assessment of the collective progress under the Paris Agreement. By implementing an approach that conceptually reconciles land-use CO2 flux from national inventories and the global models used by the IPCC, our study is an important step forward for increasing confidence in land-use CO2 flux estimates.
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